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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson We divide gen_analyze_funcs.py into 3 phases Declare the operands Analyze the register reads Analyze the register writes We also create special versions of ctx_log_*_read for new operands Check that the operand is written before the read This is a precursor to improving the analysis for short-circuiting the packet semantics in a subsequent commit Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240201103340.119081-2-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/README | 9 +++-- target/hexagon/gen_analyze_funcs.py | 34 ++++++++++------ target/hexagon/hex_common.py | 63 +++++++++++++++-------------- target/hexagon/translate.h | 26 +++++++++++- 4 files changed, 83 insertions(+), 49 deletions(-) diff --git a/target/hexagon/README b/target/hexagon/README index 746ebec378..c1d8c8d0ab 100644 --- a/target/hexagon/README +++ b/target/hexagon/README @@ -183,10 +183,11 @@ when the override is present. } We also generate an analyze_ function for each instruction. Currently, -these functions record the writes to registers by calling ctx_log_*. During -gen_start_packet, we invoke the analyze_ function for each instruction in -the packet, and we mark the implicit writes. After the analysis is performed, -we initialize the result register for each of the predicated assignments. +these functions record the reads and writes to registers by calling ctx_log_*. +During gen_start_packet, we invoke the analyze_ function for each instruction in +the packet, and we mark the implicit writes. The analysis determines if the packet +semantics can be short-circuited. If not, we initialize the result register for each +of the predicated assignments. In addition to instruction semantics, we use a generator to create the decode tree. This generation is a four step process. diff --git a/target/hexagon/gen_analyze_funcs.py b/target/hexagon/gen_analyze_funcs.py index a9af666cef..890e6a3a95 100755 --- a/target/hexagon/gen_analyze_funcs.py +++ b/target/hexagon/gen_analyze_funcs.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2022-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -44,15 +44,25 @@ def gen_analyze_func(f, tag, regs, imms): f.write(" Insn *insn G_GNUC_UNUSED = ctx->insn;\n") - i = 0 - ## Analyze all the registers - for regtype, regid in regs: - reg = hex_common.get_register(tag, regtype, regid) + ## Declare all the registers + for regno, register in enumerate(regs): + reg_type, reg_id = register + reg = hex_common.get_register(tag, reg_type, reg_id) + reg.decl_reg_num(f, regno) + + ## Analyze the register reads + for regno, register in enumerate(regs): + reg_type, reg_id = register + reg = hex_common.get_register(tag, reg_type, reg_id) + if reg.is_read(): + reg.analyze_read(f, regno) + + ## Analyze the register writes + for regno, register in enumerate(regs): + reg_type, reg_id = register + reg = hex_common.get_register(tag, reg_type, reg_id) if reg.is_written(): - reg.analyze_write(f, tag, i) - else: - reg.analyze_read(f, i) - i += 1 + reg.analyze_write(f, tag, regno) has_generated_helper = not hex_common.skip_qemu_helper( tag @@ -89,13 +99,13 @@ def main(): tagimms = hex_common.get_tagimms() with open(sys.argv[-1], "w") as f: - f.write("#ifndef HEXAGON_TCG_FUNCS_H\n") - f.write("#define HEXAGON_TCG_FUNCS_H\n\n") + f.write("#ifndef HEXAGON_ANALYZE_FUNCS_C_INC\n") + f.write("#define HEXAGON_ANALYZE_FUNCS_C_INC\n\n") for tag in hex_common.tags: gen_analyze_func(f, tag, tagregs[tag], tagimms[tag]) - f.write("#endif /* HEXAGON_TCG_FUNCS_H */\n") + f.write("#endif /* HEXAGON_ANALYZE_FUNCS_C_INC */\n") if __name__ == "__main__": diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 195620c7ec..33801e4bd7 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -425,7 +425,6 @@ def log_write(self, f, tag): gen_log_reg_write(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write(ctx, {self.reg_num}, {predicated}); @@ -438,7 +437,6 @@ def decl_tcg(self, f, tag, regno): TCGv {self.reg_tcg()} = hex_gpr[{self.reg_num}]; """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_reg_read(ctx, {self.reg_num}); """)) @@ -449,9 +447,8 @@ def decl_tcg(self, f, tag, regno): TCGv {self.reg_tcg()} = get_result_gpr(ctx, insn->regno[{regno}]); """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ - ctx_log_reg_read(ctx, {self.reg_num}); + ctx_log_reg_read_new(ctx, {self.reg_num}); """)) class GprReadWrite(Register, Single, ReadWrite): @@ -471,8 +468,11 @@ def log_write(self, f, tag): f.write(code_fmt(f"""\ gen_log_reg_write(ctx, {self.reg_num}, {self.reg_tcg()}); """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_reg_read(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write(ctx, {self.reg_num}, {predicated}); @@ -493,7 +493,6 @@ def log_write(self, f, tag): gen_write_ctrl_reg(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write(ctx, {self.reg_num}, {predicated}); @@ -511,7 +510,6 @@ def decl_tcg(self, f, tag, regno): gen_read_ctrl_reg(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_reg_read(ctx, {self.reg_num}); """)) @@ -532,7 +530,6 @@ def idef_arg(self, declared): declared.append(self.reg_tcg()) declared.append("CS") def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_reg_read(ctx, {self.reg_num}); """)) @@ -548,7 +545,6 @@ def log_write(self, f, tag): gen_log_pred_write(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_pred_write(ctx, {self.reg_num}); """)) @@ -560,7 +556,6 @@ def decl_tcg(self, f, tag, regno): TCGv {self.reg_tcg()} = hex_pred[{self.reg_num}]; """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_pred_read(ctx, {self.reg_num}); """)) @@ -571,9 +566,8 @@ def decl_tcg(self, f, tag, regno): TCGv {self.reg_tcg()} = get_result_pred(ctx, insn->regno[{regno}]); """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ - ctx_log_pred_read(ctx, {self.reg_num}); + ctx_log_pred_read_new(ctx, {self.reg_num}); """)) class PredReadWrite(Register, Single, ReadWrite): @@ -587,8 +581,11 @@ def log_write(self, f, tag): f.write(code_fmt(f"""\ gen_log_pred_write(ctx, {self.reg_num}, {self.reg_tcg()}); """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_pred_read(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_pred_write(ctx, {self.reg_num}); """)) @@ -605,7 +602,6 @@ def log_write(self, f, tag): gen_log_reg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated}); @@ -621,7 +617,6 @@ def decl_tcg(self, f, tag, regno): hex_gpr[{self.reg_num} + 1]); """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_reg_read_pair(ctx, {self.reg_num}); """)) @@ -640,8 +635,11 @@ def log_write(self, f, tag): f.write(code_fmt(f"""\ gen_log_reg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()}); """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_reg_read_pair(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated}); @@ -663,7 +661,6 @@ def log_write(self, f, tag): gen_write_ctrl_reg_pair(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated}); @@ -681,7 +678,6 @@ def decl_tcg(self, f, tag, regno): gen_read_ctrl_reg_pair(ctx, {self.reg_num}, {self.reg_tcg()}); """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_reg_read_pair(ctx, {self.reg_num}); """)) @@ -705,7 +701,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */ """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ @@ -728,7 +723,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */ """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_vreg_read(ctx, {self.reg_num}); """)) @@ -746,9 +740,8 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */ """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ - ctx_log_vreg_read(ctx, {self.reg_num}); + ctx_log_vreg_read_new(ctx, {self.reg_num}); """)) class VRegReadWrite(Register, Hvx, ReadWrite): @@ -772,8 +765,11 @@ def helper_hvx_desc(self, f): f.write(code_fmt(f"""\ /* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */ """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_vreg_read(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ @@ -803,8 +799,11 @@ def helper_hvx_desc(self, f): f.write(code_fmt(f"""\ /* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */ """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_vreg_read(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ @@ -830,7 +829,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()}) */ """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ @@ -860,7 +858,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()}) */ """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_vreg_read_pair(ctx, {self.reg_num}); """)) @@ -892,8 +889,11 @@ def helper_hvx_desc(self, f): f.write(code_fmt(f"""\ /* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()}) */ """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_vreg_read_pair(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ @@ -919,7 +919,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */ """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_qreg_write(ctx, {self.reg_num}); """)) @@ -941,7 +940,6 @@ def helper_hvx_desc(self, f): /* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */ """)) def analyze_read(self, f, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_qreg_read(ctx, {self.reg_num}); """)) @@ -967,8 +965,11 @@ def helper_hvx_desc(self, f): f.write(code_fmt(f"""\ /* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */ """)) + def analyze_read(self, f, regno): + f.write(code_fmt(f"""\ + ctx_log_qreg_read(ctx, {self.reg_num}); + """)) def analyze_write(self, f, tag, regno): - self.decl_reg_num(f, regno) f.write(code_fmt(f"""\ ctx_log_qreg_write(ctx, {self.reg_num}); """)) diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index 4dd59c6726..f06d71fc53 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -75,6 +75,8 @@ typedef struct DisasContext { TCGv dczero_addr; } DisasContext; +bool is_gather_store_insn(DisasContext *ctx); + static inline void ctx_log_pred_write(DisasContext *ctx, int pnum) { if (!test_bit(pnum, ctx->pregs_written)) { @@ -89,6 +91,12 @@ static inline void ctx_log_pred_read(DisasContext *ctx, int pnum) set_bit(pnum, ctx->pregs_read); } +static inline void ctx_log_pred_read_new(DisasContext *ctx, int pnum) +{ + g_assert(test_bit(pnum, ctx->pregs_written)); + set_bit(pnum, ctx->pregs_read); +} + static inline void ctx_log_reg_write(DisasContext *ctx, int rnum, bool is_predicated) { @@ -120,6 +128,12 @@ static inline void ctx_log_reg_read(DisasContext *ctx, int rnum) set_bit(rnum, ctx->regs_read); } +static inline void ctx_log_reg_read_new(DisasContext *ctx, int rnum) +{ + g_assert(test_bit(rnum, ctx->regs_written)); + set_bit(rnum, ctx->regs_read); +} + static inline void ctx_log_reg_read_pair(DisasContext *ctx, int rnum) { ctx_log_reg_read(ctx, rnum); @@ -171,6 +185,15 @@ static inline void ctx_log_vreg_read(DisasContext *ctx, int rnum) set_bit(rnum, ctx->vregs_read); } +static inline void ctx_log_vreg_read_new(DisasContext *ctx, int rnum) +{ + g_assert(is_gather_store_insn(ctx) || + test_bit(rnum, ctx->vregs_updated) || + test_bit(rnum, ctx->vregs_select) || + test_bit(rnum, ctx->vregs_updated_tmp)); + set_bit(rnum, ctx->vregs_read); +} + static inline void ctx_log_vreg_read_pair(DisasContext *ctx, int rnum) { ctx_log_vreg_read(ctx, rnum ^ 0); @@ -205,7 +228,6 @@ extern TCGv hex_vstore_addr[VSTORES_MAX]; extern TCGv hex_vstore_size[VSTORES_MAX]; extern TCGv hex_vstore_pending[VSTORES_MAX]; -bool is_gather_store_insn(DisasContext *ctx); void process_store(DisasContext *ctx, int slot_num); FIELD(PROBE_PKT_SCALAR_STORE_S0, MMU_IDX, 0, 2) From patchwork Mon May 6 02:42:14 2024 Content-Type: text/plain; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Look for read-after-write instead of overlap of reads and writes Here is an example with overalp but no read-after-write: 0x000200fc: 0x38103876 { R0 = add(R0,R1); R6 = add(R6,R7) } BEFORE: ---- 00000000000200fc mov_i32 loc2,$0x0 mov_i32 loc2,r0 add_i32 loc3,loc2,r1 mov_i32 loc2,loc3 mov_i32 loc4,$0x0 mov_i32 loc4,r6 add_i32 loc5,loc4,r7 mov_i32 loc4,loc5 mov_i32 r0,loc2 mov_i32 r6,loc4 AFTER: ---- 00000000000200fc add_i32 loc2,r0,r1 mov_i32 r0,loc2 add_i32 loc3,r6,r7 mov_i32 r6,loc3 We can also short-circuit packets with .new values by reading from the real destination instead of the temporary. 0x00020100: 0x78005ff3 { R19 = #0xff 0x00020104: 0x2002e204 if (cmp.eq(N19.new,R2)) jump:t PC+8 } BEFORE: ---- 0000000000020100 mov_i32 pc,$0x20108 mov_i32 loc8,$0x0 mov_i32 loc8,$0xff setcond_i32 loc10,loc8,r2,eq mov_i32 loc6,loc10 mov_i32 r19,loc8 add_i32 pkt_cnt,pkt_cnt,$0x2 add_i32 insn_cnt,insn_cnt,$0x4 brcond_i32 loc6,$0x0,eq,$L1 goto_tb $0x0 mov_i32 pc,$0x20108 exit_tb $0x7fbb54000040 set_label $L1 goto_tb $0x1 exit_tb $0x7fbb54000041 set_label $L0 exit_tb $0x7fbb54000043 AFTER: ---- 0000000000020100 mov_i32 pc,$0x20108 mov_i32 r19,$0xff setcond_i32 loc7,r19,r2,eq mov_i32 loc4,loc7 add_i32 pkt_cnt,pkt_cnt,$0x2 add_i32 insn_cnt,insn_cnt,$0x4 brcond_i32 loc4,$0x0,eq,$L1 goto_tb $0x0 mov_i32 pc,$0x20108 exit_tb $0x7f9764000040 set_label $L1 goto_tb $0x1 exit_tb $0x7f9764000041 set_label $L0 exit_tb $0x7f9764000043 Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240201103340.119081-3-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/translate.c | 21 ++++----------------- target/hexagon/translate.h | 13 +++++++------ 2 files changed, 11 insertions(+), 23 deletions(-) diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index 47a870f42d..8d42ebd91c 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -396,20 +396,8 @@ static bool need_commit(DisasContext *ctx) } } - /* Check for overlap between register reads and writes */ - for (int i = 0; i < ctx->reg_log_idx; i++) { - int rnum = ctx->reg_log[i]; - if (test_bit(rnum, ctx->regs_read)) { - return true; - } - } - - /* Check for overlap between predicate reads and writes */ - for (int i = 0; i < ctx->preg_log_idx; i++) { - int pnum = ctx->preg_log[i]; - if (test_bit(pnum, ctx->pregs_read)) { - return true; - } + if (ctx->read_after_write) { + return true; } /* Check for overlap between HVX reads and writes */ @@ -468,6 +456,7 @@ static void analyze_packet(DisasContext *ctx) { Packet *pkt = ctx->pkt; ctx->has_hvx_helper = false; + ctx->read_after_write = false; for (int i = 0; i < pkt->num_insns; i++) { Insn *insn = &pkt->insn[i]; ctx->insn = insn; @@ -492,11 +481,9 @@ static void gen_start_packet(DisasContext *ctx) ctx->next_PC = next_PC; ctx->reg_log_idx = 0; bitmap_zero(ctx->regs_written, TOTAL_PER_THREAD_REGS); - bitmap_zero(ctx->regs_read, TOTAL_PER_THREAD_REGS); bitmap_zero(ctx->predicated_regs, TOTAL_PER_THREAD_REGS); ctx->preg_log_idx = 0; bitmap_zero(ctx->pregs_written, NUM_PREGS); - bitmap_zero(ctx->pregs_read, NUM_PREGS); ctx->future_vregs_idx = 0; ctx->tmp_vregs_idx = 0; ctx->vreg_log_idx = 0; diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index f06d71fc53..d5e7f49ad8 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -38,12 +38,10 @@ typedef struct DisasContext { int reg_log[REG_WRITES_MAX]; int reg_log_idx; DECLARE_BITMAP(regs_written, TOTAL_PER_THREAD_REGS); - DECLARE_BITMAP(regs_read, TOTAL_PER_THREAD_REGS); DECLARE_BITMAP(predicated_regs, TOTAL_PER_THREAD_REGS); int preg_log[PRED_WRITES_MAX]; int preg_log_idx; DECLARE_BITMAP(pregs_written, NUM_PREGS); - DECLARE_BITMAP(pregs_read, NUM_PREGS); uint8_t store_width[STORES_MAX]; bool s1_store_processed; int future_vregs_idx; @@ -68,6 +66,7 @@ typedef struct DisasContext { bool is_tight_loop; bool short_circuit; bool has_hvx_helper; + bool read_after_write; TCGv new_value[TOTAL_PER_THREAD_REGS]; TCGv new_pred_value[NUM_PREGS]; TCGv pred_written; @@ -88,13 +87,14 @@ static inline void ctx_log_pred_write(DisasContext *ctx, int pnum) static inline void ctx_log_pred_read(DisasContext *ctx, int pnum) { - set_bit(pnum, ctx->pregs_read); + if (test_bit(pnum, ctx->pregs_written)) { + ctx->read_after_write = true; + } } static inline void ctx_log_pred_read_new(DisasContext *ctx, int pnum) { g_assert(test_bit(pnum, ctx->pregs_written)); - set_bit(pnum, ctx->pregs_read); } static inline void ctx_log_reg_write(DisasContext *ctx, int rnum, @@ -125,13 +125,14 @@ static inline void ctx_log_reg_write_pair(DisasContext *ctx, int rnum, static inline void ctx_log_reg_read(DisasContext *ctx, int rnum) { - set_bit(rnum, ctx->regs_read); + if (test_bit(rnum, ctx->regs_written)) { + ctx->read_after_write = true; + } } static inline void ctx_log_reg_read_new(DisasContext *ctx, int rnum) { g_assert(test_bit(rnum, ctx->regs_written)); - set_bit(rnum, ctx->regs_read); } static inline void ctx_log_reg_read_pair(DisasContext *ctx, int rnum) From patchwork Mon May 6 02:42:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Cain X-Patchwork-Id: 1931684 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=CwavWjGY; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VXm1f02LNz1yZk for ; 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Sun, 5 May 2024 19:42:47 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 03/15] Hexagon (target/hexagon) Enable more short-circuit packets (HVX) Date: Sun, 5 May 2024 19:42:15 -0700 Message-ID: <20240506024227.3345791-4-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: sv5NtX1M-6beCk1nngs0Oog3O8hK0d36 X-Proofpoint-ORIG-GUID: sv5NtX1M-6beCk1nngs0Oog3O8hK0d36 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 bulkscore=0 spamscore=0 phishscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 suspectscore=0 adultscore=0 mlxlogscore=905 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Look for read-after-write instead of overlap of reads and writes HVX instructions with helpers have pass-by-reference semantics, so we check for overlaps of reads and writes within the same instruction. Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240201103340.119081-4-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/gen_analyze_funcs.py | 19 ++++--- target/hexagon/hex_common.py | 45 ++++++++++----- target/hexagon/translate.c | 58 ++----------------- target/hexagon/translate.h | 88 +++++++++++++++++++++++------ 4 files changed, 115 insertions(+), 95 deletions(-) diff --git a/target/hexagon/gen_analyze_funcs.py b/target/hexagon/gen_analyze_funcs.py index 890e6a3a95..81e1d9cfa3 100755 --- a/target/hexagon/gen_analyze_funcs.py +++ b/target/hexagon/gen_analyze_funcs.py @@ -43,6 +43,16 @@ def gen_analyze_func(f, tag, regs, imms): f.write("{\n") f.write(" Insn *insn G_GNUC_UNUSED = ctx->insn;\n") + if (hex_common.is_hvx_insn(tag)): + if hex_common.has_hvx_helper(tag): + f.write( + " const bool G_GNUC_UNUSED insn_has_hvx_helper = true;\n" + ) + f.write(" ctx_start_hvx_insn(ctx);\n") + else: + f.write( + " const bool G_GNUC_UNUSED insn_has_hvx_helper = false;\n" + ) ## Declare all the registers for regno, register in enumerate(regs): @@ -64,15 +74,6 @@ def gen_analyze_func(f, tag, regs, imms): if reg.is_written(): reg.analyze_write(f, tag, regno) - has_generated_helper = not hex_common.skip_qemu_helper( - tag - ) and not hex_common.is_idef_parser_enabled(tag) - - ## Mark HVX instructions with generated helpers - if (has_generated_helper and - "A_CVI" in hex_common.attribdict[tag]): - f.write(" ctx->has_hvx_helper = true;\n") - f.write("}\n\n") diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 33801e4bd7..9e7f613e3c 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -241,6 +241,16 @@ def is_idef_parser_enabled(tag): return tag in idef_parser_enabled +def is_hvx_insn(tag): + return "A_CVI" in attribdict[tag] + + +def has_hvx_helper(tag): + return (is_hvx_insn(tag) and + not skip_qemu_helper(tag) and + not is_idef_parser_enabled(tag)) + + def imm_name(immlett): return f"{immlett}iV" @@ -704,7 +714,8 @@ def analyze_write(self, f, tag, regno): newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ - ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}); + ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}, + insn_has_hvx_helper); """)) class VRegSource(Register, Hvx, OldSource): @@ -724,7 +735,7 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read(ctx, {self.reg_num}); + ctx_log_vreg_read(ctx, {self.reg_num}, insn_has_hvx_helper); """)) class VRegNewSource(Register, Hvx, NewSource): @@ -741,7 +752,7 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read_new(ctx, {self.reg_num}); + ctx_log_vreg_read_new(ctx, {self.reg_num}, insn_has_hvx_helper); """)) class VRegReadWrite(Register, Hvx, ReadWrite): @@ -767,13 +778,14 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read(ctx, {self.reg_num}); + ctx_log_vreg_read(ctx, {self.reg_num}, insn_has_hvx_helper); """)) def analyze_write(self, f, tag, regno): newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ - ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}); + ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}, + insn_has_hvx_helper); """)) class VRegTmp(Register, Hvx, ReadWrite): @@ -801,13 +813,14 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read(ctx, {self.reg_num}); + ctx_log_vreg_read(ctx, {self.reg_num}, insn_has_hvx_helper); """)) def analyze_write(self, f, tag, regno): newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ - ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}); + ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated}, + insn_has_hvx_helper); """)) class VRegPairDest(Register, Hvx, Dest): @@ -832,7 +845,8 @@ def analyze_write(self, f, tag, regno): newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ - ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated}); + ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated}, + insn_has_hvx_helper); """)) class VRegPairSource(Register, Hvx, OldSource): @@ -859,7 +873,7 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read_pair(ctx, {self.reg_num}); + ctx_log_vreg_read_pair(ctx, {self.reg_num}, insn_has_hvx_helper); """)) class VRegPairReadWrite(Register, Hvx, ReadWrite): @@ -891,13 +905,14 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_vreg_read_pair(ctx, {self.reg_num}); + ctx_log_vreg_read_pair(ctx, {self.reg_num}, insn_has_hvx_helper); """)) def analyze_write(self, f, tag, regno): newv = hvx_newv(tag) predicated = "true" if is_predicated(tag) else "false" f.write(code_fmt(f"""\ - ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated}); + ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated}, + insn_has_hvx_helper); """)) class QRegDest(Register, Hvx, Dest): @@ -920,7 +935,7 @@ def helper_hvx_desc(self, f): """)) def analyze_write(self, f, tag, regno): f.write(code_fmt(f"""\ - ctx_log_qreg_write(ctx, {self.reg_num}); + ctx_log_qreg_write(ctx, {self.reg_num}, insn_has_hvx_helper); """)) class QRegSource(Register, Hvx, OldSource): @@ -941,7 +956,7 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_qreg_read(ctx, {self.reg_num}); + ctx_log_qreg_read(ctx, {self.reg_num}, insn_has_hvx_helper); """)) class QRegReadWrite(Register, Hvx, ReadWrite): @@ -967,11 +982,11 @@ def helper_hvx_desc(self, f): """)) def analyze_read(self, f, regno): f.write(code_fmt(f"""\ - ctx_log_qreg_read(ctx, {self.reg_num}); + ctx_log_qreg_read(ctx, {self.reg_num}, insn_has_hvx_helper); """)) def analyze_write(self, f, tag, regno): f.write(code_fmt(f"""\ - ctx_log_qreg_write(ctx, {self.reg_num}); + ctx_log_qreg_write(ctx, {self.reg_num}, insn_has_hvx_helper); """)) def init_registers(): diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index 8d42ebd91c..0904dc2d38 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -380,60 +380,10 @@ static bool need_commit(DisasContext *ctx) return true; } - if (pkt->num_insns == 1) { - if (pkt->pkt_has_hvx) { - /* - * The HVX instructions with generated helpers use - * pass-by-reference, so they need the read/write overlap - * check below. - * The HVX instructions with overrides are OK. - */ - if (!ctx->has_hvx_helper) { - return false; - } - } else { - return false; - } - } - - if (ctx->read_after_write) { + if (ctx->read_after_write || ctx->has_hvx_overlap) { return true; } - /* Check for overlap between HVX reads and writes */ - for (int i = 0; i < ctx->vreg_log_idx; i++) { - int vnum = ctx->vreg_log[i]; - if (test_bit(vnum, ctx->vregs_read)) { - return true; - } - } - if (!bitmap_empty(ctx->vregs_updated_tmp, NUM_VREGS)) { - int i = find_first_bit(ctx->vregs_updated_tmp, NUM_VREGS); - while (i < NUM_VREGS) { - if (test_bit(i, ctx->vregs_read)) { - return true; - } - i = find_next_bit(ctx->vregs_updated_tmp, NUM_VREGS, i + 1); - } - } - if (!bitmap_empty(ctx->vregs_select, NUM_VREGS)) { - int i = find_first_bit(ctx->vregs_select, NUM_VREGS); - while (i < NUM_VREGS) { - if (test_bit(i, ctx->vregs_read)) { - return true; - } - i = find_next_bit(ctx->vregs_select, NUM_VREGS, i + 1); - } - } - - /* Check for overlap between HVX predicate reads and writes */ - for (int i = 0; i < ctx->qreg_log_idx; i++) { - int qnum = ctx->qreg_log[i]; - if (test_bit(qnum, ctx->qregs_read)) { - return true; - } - } - return false; } @@ -455,8 +405,8 @@ static void mark_implicit_pred_reads(DisasContext *ctx) static void analyze_packet(DisasContext *ctx) { Packet *pkt = ctx->pkt; - ctx->has_hvx_helper = false; ctx->read_after_write = false; + ctx->has_hvx_overlap = false; for (int i = 0; i < pkt->num_insns; i++) { Insn *insn = &pkt->insn[i]; ctx->insn = insn; @@ -487,13 +437,13 @@ static void gen_start_packet(DisasContext *ctx) ctx->future_vregs_idx = 0; ctx->tmp_vregs_idx = 0; ctx->vreg_log_idx = 0; + bitmap_zero(ctx->vregs_written, NUM_VREGS); bitmap_zero(ctx->vregs_updated_tmp, NUM_VREGS); bitmap_zero(ctx->vregs_updated, NUM_VREGS); bitmap_zero(ctx->vregs_select, NUM_VREGS); bitmap_zero(ctx->predicated_future_vregs, NUM_VREGS); bitmap_zero(ctx->predicated_tmp_vregs, NUM_VREGS); - bitmap_zero(ctx->vregs_read, NUM_VREGS); - bitmap_zero(ctx->qregs_read, NUM_QREGS); + bitmap_zero(ctx->qregs_written, NUM_QREGS); ctx->qreg_log_idx = 0; for (i = 0; i < STORES_MAX; i++) { ctx->store_width[i] = 0; diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index d5e7f49ad8..00cc2bcd63 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -50,23 +50,27 @@ typedef struct DisasContext { int tmp_vregs_num[VECTOR_TEMPS_MAX]; int vreg_log[NUM_VREGS]; int vreg_log_idx; + DECLARE_BITMAP(vregs_written, NUM_VREGS); + DECLARE_BITMAP(insn_vregs_written, NUM_VREGS); DECLARE_BITMAP(vregs_updated_tmp, NUM_VREGS); DECLARE_BITMAP(vregs_updated, NUM_VREGS); DECLARE_BITMAP(vregs_select, NUM_VREGS); DECLARE_BITMAP(predicated_future_vregs, NUM_VREGS); DECLARE_BITMAP(predicated_tmp_vregs, NUM_VREGS); - DECLARE_BITMAP(vregs_read, NUM_VREGS); + DECLARE_BITMAP(insn_vregs_read, NUM_VREGS); int qreg_log[NUM_QREGS]; int qreg_log_idx; - DECLARE_BITMAP(qregs_read, NUM_QREGS); + DECLARE_BITMAP(qregs_written, NUM_QREGS); + DECLARE_BITMAP(insn_qregs_written, NUM_QREGS); + DECLARE_BITMAP(insn_qregs_read, NUM_QREGS); bool pre_commit; bool need_commit; TCGCond branch_cond; target_ulong branch_dest; bool is_tight_loop; bool short_circuit; - bool has_hvx_helper; bool read_after_write; + bool has_hvx_overlap; TCGv new_value[TOTAL_PER_THREAD_REGS]; TCGv new_pred_value[NUM_PREGS]; TCGv pred_written; @@ -146,10 +150,25 @@ intptr_t ctx_future_vreg_off(DisasContext *ctx, int regnum, intptr_t ctx_tmp_vreg_off(DisasContext *ctx, int regnum, int num, bool alloc_ok); +static inline void ctx_start_hvx_insn(DisasContext *ctx) +{ + bitmap_zero(ctx->insn_vregs_written, NUM_VREGS); + bitmap_zero(ctx->insn_vregs_read, NUM_VREGS); + bitmap_zero(ctx->insn_qregs_written, NUM_QREGS); + bitmap_zero(ctx->insn_qregs_read, NUM_QREGS); +} + static inline void ctx_log_vreg_write(DisasContext *ctx, int rnum, VRegWriteType type, - bool is_predicated) + bool is_predicated, bool has_helper) { + if (has_helper) { + set_bit(rnum, ctx->insn_vregs_written); + if (test_bit(rnum, ctx->insn_vregs_read)) { + ctx->has_hvx_overlap = true; + } + } + set_bit(rnum, ctx->vregs_written); if (type != EXT_TMP) { if (!test_bit(rnum, ctx->vregs_updated)) { ctx->vreg_log[ctx->vreg_log_idx] = rnum; @@ -175,42 +194,77 @@ static inline void ctx_log_vreg_write(DisasContext *ctx, static inline void ctx_log_vreg_write_pair(DisasContext *ctx, int rnum, VRegWriteType type, - bool is_predicated) + bool is_predicated, bool has_helper) { - ctx_log_vreg_write(ctx, rnum ^ 0, type, is_predicated); - ctx_log_vreg_write(ctx, rnum ^ 1, type, is_predicated); + ctx_log_vreg_write(ctx, rnum ^ 0, type, is_predicated, has_helper); + ctx_log_vreg_write(ctx, rnum ^ 1, type, is_predicated, has_helper); } -static inline void ctx_log_vreg_read(DisasContext *ctx, int rnum) +static inline void ctx_log_vreg_read(DisasContext *ctx, int rnum, + bool has_helper) { - set_bit(rnum, ctx->vregs_read); + if (has_helper) { + set_bit(rnum, ctx->insn_vregs_read); + if (test_bit(rnum, ctx->insn_vregs_written)) { + ctx->has_hvx_overlap = true; + } + } + if (test_bit(rnum, ctx->vregs_written)) { + ctx->read_after_write = true; + } } -static inline void ctx_log_vreg_read_new(DisasContext *ctx, int rnum) +static inline void ctx_log_vreg_read_new(DisasContext *ctx, int rnum, + bool has_helper) { g_assert(is_gather_store_insn(ctx) || test_bit(rnum, ctx->vregs_updated) || test_bit(rnum, ctx->vregs_select) || test_bit(rnum, ctx->vregs_updated_tmp)); - set_bit(rnum, ctx->vregs_read); + if (has_helper) { + set_bit(rnum, ctx->insn_vregs_read); + if (test_bit(rnum, ctx->insn_vregs_written)) { + ctx->has_hvx_overlap = true; + } + } + if (is_gather_store_insn(ctx)) { + ctx->read_after_write = true; + } } -static inline void ctx_log_vreg_read_pair(DisasContext *ctx, int rnum) +static inline void ctx_log_vreg_read_pair(DisasContext *ctx, int rnum, + bool has_helper) { - ctx_log_vreg_read(ctx, rnum ^ 0); - ctx_log_vreg_read(ctx, rnum ^ 1); + ctx_log_vreg_read(ctx, rnum ^ 0, has_helper); + ctx_log_vreg_read(ctx, rnum ^ 1, has_helper); } static inline void ctx_log_qreg_write(DisasContext *ctx, - int rnum) + int rnum, bool has_helper) { + if (has_helper) { + set_bit(rnum, ctx->insn_qregs_written); + if (test_bit(rnum, ctx->insn_qregs_read)) { + ctx->has_hvx_overlap = true; + } + } + set_bit(rnum, ctx->qregs_written); ctx->qreg_log[ctx->qreg_log_idx] = rnum; ctx->qreg_log_idx++; } -static inline void ctx_log_qreg_read(DisasContext *ctx, int qnum) +static inline void ctx_log_qreg_read(DisasContext *ctx, + int qnum, bool has_helper) { - set_bit(qnum, ctx->qregs_read); + if (has_helper) { + set_bit(qnum, ctx->insn_qregs_read); + if (test_bit(qnum, ctx->insn_qregs_written)) { + ctx->has_hvx_overlap = true; + } + } + if (test_bit(qnum, ctx->qregs_written)) { + ctx->read_after_write = true; + } } extern TCGv hex_gpr[TOTAL_PER_THREAD_REGS]; From patchwork Mon May 6 02:42:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Cain X-Patchwork-Id: 1931694 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Rather than reading P0 from the env, pass it explicitly Signed-off-by: Taylor Simpson Reviewed-by: Anton Johansson Tested-by: Anton Johansson Reviewed-by: Brian Cain Message-Id: <20240214042726.19290-2-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/hex_common.py | 10 ++++++++++ target/hexagon/macros.h | 4 ++-- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 9e7f613e3c..63d18f73ad 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -197,6 +197,10 @@ def get_tagimms(): return dict(zip(tags, list(map(compute_tag_immediates, tags)))) +def need_p0(tag): + return "A_IMPLICIT_READS_P0" in attribdict[tag] + + def need_slot(tag): if ( "A_CVI_SCATTER" not in attribdict[tag] @@ -1134,6 +1138,12 @@ def helper_args(tag, regs, imms): "tcg_constant_tl(ctx->next_PC)", "target_ulong next_PC" )) + if need_p0(tag): + args.append(HelperArg( + "i32", + "hex_pred[0]", + "uint32_t P0" + )) if need_slot(tag): args.append(HelperArg( "i32", diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index 1376d6ccc1..aedc863fab 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -358,7 +358,7 @@ static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift) #endif #define fREAD_PC() (PC) -#define fREAD_P0() (env->pred[0]) +#define fREAD_P0() (P0) #define fCHECK_PCALIGN(A) From patchwork Mon May 6 02:42:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Cain X-Patchwork-Id: 1931692 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=Yaf7K5QH; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Rather than reading SP from the env, pass it explicitly Signed-off-by: Taylor Simpson Reviewed-by: Anton Johansson Tested-by: Anton Johansson Reviewed-by: Brian Cain Message-Id: <20240214042726.19290-3-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/attribs_def.h.inc | 3 ++- target/hexagon/hex_common.py | 11 +++++++++++ target/hexagon/macros.h | 2 +- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/target/hexagon/attribs_def.h.inc b/target/hexagon/attribs_def.h.inc index 87942d46f4..9e3a05f882 100644 --- a/target/hexagon/attribs_def.h.inc +++ b/target/hexagon/attribs_def.h.inc @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -117,6 +117,7 @@ DEF_ATTRIB(IMPLICIT_READS_P1, "Reads the P1 register", "", "") DEF_ATTRIB(IMPLICIT_READS_P2, "Reads the P2 register", "", "") DEF_ATTRIB(IMPLICIT_READS_P3, "Reads the P3 register", "", "") DEF_ATTRIB(IMPLICIT_WRITES_USR, "May write USR", "", "") +DEF_ATTRIB(IMPLICIT_READS_SP, "Reads the SP register", "", "") DEF_ATTRIB(COMMUTES, "The operation is communitive", "", "") DEF_ATTRIB(DEALLOCRET, "dealloc_return", "", "") DEF_ATTRIB(DEALLOCFRAME, "deallocframe", "", "") diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 63d18f73ad..03c9ce1d8a 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -101,6 +101,7 @@ def calculate_attribs(): add_qemu_macro_attrib('fLSBNEW1', 'A_IMPLICIT_READS_P1') add_qemu_macro_attrib('fLSBNEW1NOT', 'A_IMPLICIT_READS_P1') add_qemu_macro_attrib('fREAD_P3', 'A_IMPLICIT_READS_P3') + add_qemu_macro_attrib('fREAD_SP', 'A_IMPLICIT_READS_SP') # Recurse down macros, find attributes from sub-macros macroValues = list(macros.values()) @@ -201,6 +202,10 @@ def need_p0(tag): return "A_IMPLICIT_READS_P0" in attribdict[tag] +def need_sp(tag): + return "A_IMPLICIT_READS_SP" in attribdict[tag] + + def need_slot(tag): if ( "A_CVI_SCATTER" not in attribdict[tag] @@ -1144,6 +1149,12 @@ def helper_args(tag, regs, imms): "hex_pred[0]", "uint32_t P0" )) + if need_sp(tag): + args.append(HelperArg( + "i32", + "hex_gpr[HEX_REG_SP]", + "uint32_t SP" + )) if need_slot(tag): args.append(HelperArg( "i32", diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index aedc863fab..feb798c6c0 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -343,7 +343,7 @@ static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift) #define fREAD_LR() (env->gpr[HEX_REG_LR]) -#define fREAD_SP() (env->gpr[HEX_REG_SP]) +#define fREAD_SP() (SP) #define fREAD_LC0 (env->gpr[HEX_REG_LC0]) #define fREAD_LC1 (env->gpr[HEX_REG_LC1]) #define fREAD_SA0 (env->gpr[HEX_REG_SA0]) From patchwork Mon May 6 02:42:18 2024 Content-Type: text/plain; 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Mon, 06 May 2024 02:42:50 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4462gnkR028304 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 May 2024 02:42:49 GMT Received: from hu-bcain-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 5 May 2024 19:42:48 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 06/15] Hexagon (target/hexagon) Only pass env to generated helper when needed Date: Sun, 5 May 2024 19:42:18 -0700 Message-ID: <20240506024227.3345791-7-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: Ut-7WK8VN5YtiSHO6wYqddP9W10XQ6CA X-Proofpoint-GUID: Ut-7WK8VN5YtiSHO6wYqddP9W10XQ6CA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 adultscore=0 impostorscore=0 mlxscore=0 suspectscore=0 phishscore=0 priorityscore=1501 clxscore=1015 spamscore=0 mlxlogscore=698 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Currently, we pass env to every generated helper. When the semantics of the instruction only depend on the arguments, this is unnecessary and adds extra overhead to the helper call. We add the TCG_CALL_NO_RWG_SE flag to any non-HVX helpers that don't get the ptr to env. The A2_nop and SA1_setin1 instructions end up with no arguments. This results in a "old-style function definition" error from the compiler, so we write overrides for them. With this change, the number of helpers with env argument is idef-parser enabled: 329 total, 23 with env idef-parser disabled: 1543 total, 550 with env Signed-off-by: Taylor Simpson Reviewed-by: Anton Johansson Tested-by: Anton Johansson Message-Id: <20240214042726.19290-4-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/gen_helper_protos.py | 12 ++++++++++-- target/hexagon/gen_tcg.h | 5 ++++- target/hexagon/hex_common.py | 23 ++++++++++++++++++----- 3 files changed, 32 insertions(+), 8 deletions(-) diff --git a/target/hexagon/gen_helper_protos.py b/target/hexagon/gen_helper_protos.py index c82b0f54e4..f8578d5033 100755 --- a/target/hexagon/gen_helper_protos.py +++ b/target/hexagon/gen_helper_protos.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -40,7 +40,15 @@ def gen_helper_prototype(f, tag, tagregs, tagimms): declared.append(arg.proto_arg) arguments = ", ".join(declared) - f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n") + + ## Add the TCG_CALL_NO_RWG_SE flag to helpers that don't take the env + ## argument and aren't HVX instructions. Since HVX instructions take + ## pointers to their arguments, they will have side effects. + if hex_common.need_env(tag) or hex_common.is_hvx_insn(tag): + f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n") + else: + f.write(f"DEF_HELPER_FLAGS_{len(declared) - 1}({tag}, " + f"TCG_CALL_NO_RWG_SE, {arguments})\n") def main(): diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 1c4391b415..3fc1f4e281 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -1369,3 +1369,6 @@ gen_helper_raise_exception(tcg_env, excp); \ } while (0) #endif + +#define fGEN_TCG_A2_nop(SHORTCODE) do { } while (0) +#define fGEN_TCG_SA1_setin1(SHORTCODE) tcg_gen_movi_tl(RdV, -1) diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 03c9ce1d8a..c09b48bb36 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -206,6 +206,18 @@ def need_sp(tag): return "A_IMPLICIT_READS_SP" in attribdict[tag] +def is_hvx_insn(tag): + return "A_CVI" in attribdict[tag] + + +def need_env(tag): + return ("A_STORE" in attribdict[tag] or + "A_LOAD" in attribdict[tag] or + "A_CVI_GATHER" in attribdict[tag] or + "A_CVI_SCATTER" in attribdict[tag] or + "A_IMPLICIT_WRITES_USR" in attribdict[tag]) + + def need_slot(tag): if ( "A_CVI_SCATTER" not in attribdict[tag] @@ -1085,11 +1097,12 @@ def helper_args(tag, regs, imms): args = [] ## First argument is the CPU state - args.append(HelperArg( - "env", - "tcg_env", - "CPUHexagonState *env" - )) + if need_env(tag): + args.append(HelperArg( + "env", + "tcg_env", + "CPUHexagonState *env" + )) ## For predicated instructions, we pass in the destination register if is_predicated(tag): From patchwork Mon May 6 02:42:19 2024 Content-Type: text/plain; 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Mon, 06 May 2024 02:42:50 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4462gnU5007709 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 May 2024 02:42:49 GMT Received: from hu-bcain-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 5 May 2024 19:42:49 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 07/15] Hexagon (target/hexagon) Add is_old/is_new to Register class Date: Sun, 5 May 2024 19:42:19 -0700 Message-ID: <20240506024227.3345791-8-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: lnOLCRTW3b4pSVf7Foe0imI3sa8d6qFP X-Proofpoint-GUID: lnOLCRTW3b4pSVf7Foe0imI3sa8d6qFP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 mlxscore=0 adultscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=619 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Signed-off-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-2-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/hex_common.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index c09b48bb36..f6f187968a 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -428,10 +428,18 @@ def is_readwrite(self): class OldSource(Source): def reg_tcg(self): return f"{self.regtype}{self.regid}V" + def is_old(self): + return True + def is_new(self): + return False class NewSource(Source): def reg_tcg(self): return f"{self.regtype}{self.regid}N" + def is_old(self): + return False + def is_new(self): + return True class ReadWrite: def reg_tcg(self): @@ -444,6 +452,10 @@ def is_read(self): return True def is_readwrite(self): return True + def is_old(self): + return True + def is_new(self): + return False class GprDest(Register, Single, Dest): def decl_tcg(self, f, tag, regno): From patchwork Mon May 6 02:42:20 2024 Content-Type: text/plain; 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Mon, 06 May 2024 02:42:51 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4462goFA011029 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 May 2024 02:42:50 GMT Received: from hu-bcain-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 5 May 2024 19:42:49 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 08/15] Hexagon (target/hexagon) Mark new_read_idx in trans functions Date: Sun, 5 May 2024 19:42:20 -0700 Message-ID: <20240506024227.3345791-9-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: S0xfpNQPNeZZlL5JYfHbog97piDSm-58 X-Proofpoint-GUID: S0xfpNQPNeZZlL5JYfHbog97piDSm-58 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 malwarescore=0 phishscore=0 mlxlogscore=557 adultscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Check that the value matches opcode_reginfo Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-3-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 2 ++ target/hexagon/gen_trans_funcs.py | 15 ++++++++++----- target/hexagon/insn.h | 3 ++- target/hexagon/mmvec/decode_ext_mmvec.c | 2 ++ 4 files changed, 16 insertions(+), 6 deletions(-) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index a40210ca1e..4595e30384 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -131,6 +131,8 @@ decode_fill_newvalue_regno(Packet *packet) use_regidx = strchr(opcode_reginfo[use_opcode], 's') - opcode_reginfo[use_opcode]; } + g_assert(packet->insn[i].new_read_idx != -1 && + packet->insn[i].new_read_idx == use_regidx); /* * What's encoded at the N-field is the offset to who's producing diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.py index 53e844a44b..8acecdb993 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -68,6 +68,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[0] = args->Rd; ## insn->regno[1] = args->Rs; ## insn->regno[2] = args->Rt; +## insn->new_read_idx = -1; ## return true; ## } ## @@ -84,14 +85,14 @@ def gen_trans_funcs(f): insn->opcode = {tag}; """)) - regno = 0 - for reg in regs: - reg_type = reg[0] - reg_id = reg[1] + new_read_idx = -1 + for regno, (reg_type, reg_id, *_) in enumerate(regs): + reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ insn->regno[{regno}] = args->{reg_type}{reg_id}; """)) - regno += 1 + if reg.is_read() and reg.is_new(): + new_read_idx = regno if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -112,6 +113,9 @@ def gen_trans_funcs(f): insn->immed[{immno}] = args->{imm_type}{imm_letter}; """)) + f.write(code_fmt(f"""\ + insn->new_read_idx = {new_read_idx}; + """)) f.write(textwrap.dedent(f"""\ return true; {close_curly} @@ -120,5 +124,6 @@ def gen_trans_funcs(f): if __name__ == "__main__": hex_common.read_semantics_file(sys.argv[1]) + hex_common.init_registers() with open(sys.argv[2], "w") as f: gen_trans_funcs(f) diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index 3e7a22c91e..36502bf056 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -39,6 +39,7 @@ struct Instruction { uint32_t slot:3; uint32_t which_extended:1; /* If has an extender, which immediate */ uint32_t new_value_producer_slot:4; + int32_t new_read_idx; bool part1; /* * cmp-jumps are split into two insns. diff --git a/target/hexagon/mmvec/decode_ext_mmvec.c b/target/hexagon/mmvec/decode_ext_mmvec.c index 202d84c7c0..e9007f5d71 100644 --- a/target/hexagon/mmvec/decode_ext_mmvec.c +++ b/target/hexagon/mmvec/decode_ext_mmvec.c @@ -41,6 +41,8 @@ check_new_value(Packet *pkt) GET_ATTRIB(use_opcode, A_STORE)) { int use_regidx = strchr(opcode_reginfo[use_opcode], 's') - opcode_reginfo[use_opcode]; + g_assert(pkt->insn[i].new_read_idx != -1 && + pkt->insn[i].new_read_idx == use_regidx); /* * What's encoded at the N-field is the offset to who's producing * the value. 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Mon, 06 May 2024 02:42:51 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4462gocQ007728 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 May 2024 02:42:50 GMT Received: from hu-bcain-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 5 May 2024 19:42:49 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 09/15] Hexagon (target/hexagon) Mark dest_idx in trans functions Date: Sun, 5 May 2024 19:42:21 -0700 Message-ID: <20240506024227.3345791-10-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: wpn_gMCstbfnqXkhWGgjb3C3cYPiF5qJ X-Proofpoint-GUID: wpn_gMCstbfnqXkhWGgjb3C3cYPiF5qJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 malwarescore=0 phishscore=0 mlxlogscore=572 adultscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Check that the value matches opcode_reginfo/opcode_wregs Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-4-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 2 ++ target/hexagon/gen_trans_funcs.py | 6 ++++++ target/hexagon/insn.h | 1 + target/hexagon/mmvec/decode_ext_mmvec.c | 2 ++ 4 files changed, 11 insertions(+) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index 4595e30384..a4d8500fea 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -184,6 +184,8 @@ decode_fill_newvalue_regno(Packet *packet) /* Now patch up the consumer with the register number */ dst_idx = dststr - opcode_reginfo[def_opcode]; + g_assert(packet->insn[def_idx].dest_idx != -1 && + packet->insn[def_idx].dest_idx == dst_idx); packet->insn[i].regno[use_regidx] = packet->insn[def_idx].regno[dst_idx]; /* diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.py index 8acecdb993..1201172dda 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -69,6 +69,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[1] = args->Rs; ## insn->regno[2] = args->Rt; ## insn->new_read_idx = -1; +## insn->dest_idx = 0; ## return true; ## } ## @@ -86,6 +87,7 @@ def gen_trans_funcs(f): """)) new_read_idx = -1 + dest_idx = -1 for regno, (reg_type, reg_id, *_) in enumerate(regs): reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ @@ -93,6 +95,9 @@ def gen_trans_funcs(f): """)) if reg.is_read() and reg.is_new(): new_read_idx = regno + # dest_idx should be the first destination, so check for -1 + if reg.is_written() and dest_idx == -1: + dest_idx = regno if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -115,6 +120,7 @@ def gen_trans_funcs(f): f.write(code_fmt(f"""\ insn->new_read_idx = {new_read_idx}; + insn->dest_idx = {dest_idx}; """)) f.write(textwrap.dedent(f"""\ return true; diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index 36502bf056..a770379958 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -40,6 +40,7 @@ struct Instruction { uint32_t which_extended:1; /* If has an extender, which immediate */ uint32_t new_value_producer_slot:4; int32_t new_read_idx; + int32_t dest_idx; bool part1; /* * cmp-jumps are split into two insns. diff --git a/target/hexagon/mmvec/decode_ext_mmvec.c b/target/hexagon/mmvec/decode_ext_mmvec.c index e9007f5d71..c1320406df 100644 --- a/target/hexagon/mmvec/decode_ext_mmvec.c +++ b/target/hexagon/mmvec/decode_ext_mmvec.c @@ -86,6 +86,8 @@ check_new_value(Packet *pkt) /* still not there, we have a bad packet */ g_assert_not_reached(); } + g_assert(pkt->insn[def_idx].dest_idx != -1 && + pkt->insn[def_idx].dest_idx == dststr - reginfo); int def_regnum = pkt->insn[def_idx].regno[dststr - reginfo]; /* Now patch up the consumer with the register number */ pkt->insn[i].regno[use_regidx] = def_regnum ^ def_oreg; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Check that the value matches opcode_wregs Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-5-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 3 +++ target/hexagon/gen_trans_funcs.py | 5 +++++ target/hexagon/insn.h | 1 + 3 files changed, 9 insertions(+) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index a4d8500fea..84a3899556 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -366,6 +366,9 @@ static void decode_shuffle_for_execution(Packet *packet) for (flag = false, i = 0; i < last_insn + 1; i++) { int opcode = packet->insn[i].opcode; + g_assert(packet->insn[i].has_pred_dest == + (strstr(opcode_wregs[opcode], "Pd4") || + strstr(opcode_wregs[opcode], "Pe4"))); if ((strstr(opcode_wregs[opcode], "Pd4") || strstr(opcode_wregs[opcode], "Pe4")) && GET_ATTRIB(opcode, A_STORE) == 0) { diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.py index 1201172dda..9f86b4edbd 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -70,6 +70,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[2] = args->Rt; ## insn->new_read_idx = -1; ## insn->dest_idx = 0; +## insn->has_pred_dest = false; ## return true; ## } ## @@ -88,6 +89,7 @@ def gen_trans_funcs(f): new_read_idx = -1 dest_idx = -1 + has_pred_dest = "false" for regno, (reg_type, reg_id, *_) in enumerate(regs): reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ @@ -98,6 +100,8 @@ def gen_trans_funcs(f): # dest_idx should be the first destination, so check for -1 if reg.is_written() and dest_idx == -1: dest_idx = regno + if reg_type == "P" and reg.is_written() and not reg.is_read(): + has_pred_dest = "true" if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -121,6 +125,7 @@ def gen_trans_funcs(f): f.write(code_fmt(f"""\ insn->new_read_idx = {new_read_idx}; insn->dest_idx = {dest_idx}; + insn->has_pred_dest = {has_pred_dest}; """)) f.write(textwrap.dedent(f"""\ return true; diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index a770379958..24dcf7fe9f 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -41,6 +41,7 @@ struct Instruction { uint32_t new_value_producer_slot:4; int32_t new_read_idx; int32_t dest_idx; + bool has_pred_dest; bool part1; /* * cmp-jumps are split into two insns. From patchwork Mon May 6 02:42:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Cain X-Patchwork-Id: 1931693 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=KPoD3Nf9; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VXm315Xhmz1yZk for ; Mon, 6 May 2024 12:44:45 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s3oJi-0000bu-J4; 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Mon, 06 May 2024 02:42:52 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4462gpuc028569 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 May 2024 02:42:51 GMT Received: from hu-bcain-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 5 May 2024 19:42:50 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 11/15] Hexagon (tests/tcg/hexagon) Test HVX .new read from high half of pair Date: Sun, 5 May 2024 19:42:23 -0700 Message-ID: <20240506024227.3345791-12-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: vwHlOHUuRaYURqCJ5DrYej66pgQFsiN2 X-Proofpoint-ORIG-GUID: vwHlOHUuRaYURqCJ5DrYej66pgQFsiN2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 priorityscore=1501 mlxlogscore=691 bulkscore=0 suspectscore=0 clxscore=1015 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.168.131; envelope-from=bcain@quicinc.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Make sure the decoding of HVX .new is correctly handling this case Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-6-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- tests/tcg/hexagon/hvx_misc.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/tests/tcg/hexagon/hvx_misc.c b/tests/tcg/hexagon/hvx_misc.c index b45170acd1..1fe14b5158 100644 --- a/tests/tcg/hexagon/hvx_misc.c +++ b/tests/tcg/hexagon/hvx_misc.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2021-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2021-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -231,6 +231,7 @@ static void test_masked_store(bool invert) static void test_new_value_store(void) { void *p0 = buffer0; + void *p1 = buffer1; void *pout = output; asm("{\n\t" @@ -242,6 +243,19 @@ static void test_new_value_store(void) expect[0] = buffer0[0]; check_output_w(__LINE__, 1); + + /* Test the .new read from the high half of a pair */ + asm("v7 = vmem(%0 + #0)\n\t" + "v12 = vmem(%1 + #0)\n\t" + "{\n\t" + " v5:4 = vcombine(v12, v7)\n\t" + " vmem(%2 + #0) = v5.new\n\t" + "}\n\t" + : : "r"(p0), "r"(p1), "r"(pout) : "v4", "v5", "v7", "v12", "memory"); + + expect[0] = buffer1[0]; + + check_output_w(__LINE__, 1); } static void test_max_temps() From patchwork Mon May 6 02:42:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Cain X-Patchwork-Id: 1931689 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-7-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 55 +++---------------------- target/hexagon/mmvec/decode_ext_mmvec.c | 34 ++++----------- target/hexagon/opcodes.c | 28 ------------- target/hexagon/opcodes.h | 4 -- 4 files changed, 12 insertions(+), 109 deletions(-) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index 84a3899556..23deba2426 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -115,24 +115,13 @@ static void decode_fill_newvalue_regno(Packet *packet) { int i, use_regidx, offset, def_idx, dst_idx; - uint16_t def_opcode, use_opcode; - char *dststr; for (i = 1; i < packet->num_insns; i++) { if (GET_ATTRIB(packet->insn[i].opcode, A_DOTNEWVALUE) && !GET_ATTRIB(packet->insn[i].opcode, A_EXTENSION)) { - use_opcode = packet->insn[i].opcode; - /* It's a store, so we're adjusting the Nt field */ - if (GET_ATTRIB(use_opcode, A_STORE)) { - use_regidx = strchr(opcode_reginfo[use_opcode], 't') - - opcode_reginfo[use_opcode]; - } else { /* It's a Jump, so we're adjusting the Ns field */ - use_regidx = strchr(opcode_reginfo[use_opcode], 's') - - opcode_reginfo[use_opcode]; - } - g_assert(packet->insn[i].new_read_idx != -1 && - packet->insn[i].new_read_idx == use_regidx); + g_assert(packet->insn[i].new_read_idx != -1); + use_regidx = packet->insn[i].new_read_idx; /* * What's encoded at the N-field is the offset to who's producing @@ -153,39 +142,9 @@ decode_fill_newvalue_regno(Packet *packet) */ g_assert(!((def_idx < 0) || (def_idx > (packet->num_insns - 1)))); - /* - * packet->insn[def_idx] is the producer - * Figure out which type of destination it produces - * and the corresponding index in the reginfo - */ - def_opcode = packet->insn[def_idx].opcode; - dststr = strstr(opcode_wregs[def_opcode], "Rd"); - if (dststr) { - dststr = strchr(opcode_reginfo[def_opcode], 'd'); - } else { - dststr = strstr(opcode_wregs[def_opcode], "Rx"); - if (dststr) { - dststr = strchr(opcode_reginfo[def_opcode], 'x'); - } else { - dststr = strstr(opcode_wregs[def_opcode], "Re"); - if (dststr) { - dststr = strchr(opcode_reginfo[def_opcode], 'e'); - } else { - dststr = strstr(opcode_wregs[def_opcode], "Ry"); - if (dststr) { - dststr = strchr(opcode_reginfo[def_opcode], 'y'); - } else { - g_assert_not_reached(); - } - } - } - } - g_assert(dststr != NULL); - /* Now patch up the consumer with the register number */ - dst_idx = dststr - opcode_reginfo[def_opcode]; - g_assert(packet->insn[def_idx].dest_idx != -1 && - packet->insn[def_idx].dest_idx == dst_idx); + g_assert(packet->insn[def_idx].dest_idx != -1); + dst_idx = packet->insn[def_idx].dest_idx; packet->insn[i].regno[use_regidx] = packet->insn[def_idx].regno[dst_idx]; /* @@ -366,11 +325,7 @@ static void decode_shuffle_for_execution(Packet *packet) for (flag = false, i = 0; i < last_insn + 1; i++) { int opcode = packet->insn[i].opcode; - g_assert(packet->insn[i].has_pred_dest == - (strstr(opcode_wregs[opcode], "Pd4") || - strstr(opcode_wregs[opcode], "Pe4"))); - if ((strstr(opcode_wregs[opcode], "Pd4") || - strstr(opcode_wregs[opcode], "Pe4")) && + if (packet->insn[i].has_pred_dest && GET_ATTRIB(opcode, A_STORE) == 0) { /* This should be a compare (not a store conditional) */ if (flag) { diff --git a/target/hexagon/mmvec/decode_ext_mmvec.c b/target/hexagon/mmvec/decode_ext_mmvec.c index c1320406df..f850d0154d 100644 --- a/target/hexagon/mmvec/decode_ext_mmvec.c +++ b/target/hexagon/mmvec/decode_ext_mmvec.c @@ -28,21 +28,15 @@ check_new_value(Packet *pkt) { /* .new value for a MMVector store */ int i, j; - const char *reginfo; - const char *destletters; - const char *dststr = NULL; uint16_t def_opcode; - char letter; for (i = 1; i < pkt->num_insns; i++) { uint16_t use_opcode = pkt->insn[i].opcode; if (GET_ATTRIB(use_opcode, A_DOTNEWVALUE) && GET_ATTRIB(use_opcode, A_CVI) && GET_ATTRIB(use_opcode, A_STORE)) { - int use_regidx = strchr(opcode_reginfo[use_opcode], 's') - - opcode_reginfo[use_opcode]; - g_assert(pkt->insn[i].new_read_idx != -1 && - pkt->insn[i].new_read_idx == use_regidx); + int use_regidx = pkt->insn[i].new_read_idx; + g_assert(pkt->insn[i].new_read_idx != -1); /* * What's encoded at the N-field is the offset to who's producing * the value. @@ -70,33 +64,19 @@ check_new_value(Packet *pkt) /* def_idx is the index of the producer */ def_opcode = pkt->insn[def_idx].opcode; - reginfo = opcode_reginfo[def_opcode]; - destletters = "dexy"; - for (j = 0; (letter = destletters[j]) != 0; j++) { - dststr = strchr(reginfo, letter); - if (dststr != NULL) { - break; - } - } - if ((dststr == NULL) && GET_ATTRIB(def_opcode, A_CVI_GATHER)) { + if ((pkt->insn[def_idx].dest_idx == -1) && + GET_ATTRIB(def_opcode, A_CVI_GATHER)) { pkt->insn[i].regno[use_regidx] = def_oreg; pkt->insn[i].new_value_producer_slot = pkt->insn[def_idx].slot; } else { - if (dststr == NULL) { + if (pkt->insn[def_idx].dest_idx == -1) { /* still not there, we have a bad packet */ g_assert_not_reached(); } - g_assert(pkt->insn[def_idx].dest_idx != -1 && - pkt->insn[def_idx].dest_idx == dststr - reginfo); - int def_regnum = pkt->insn[def_idx].regno[dststr - reginfo]; + int def_regnum = + pkt->insn[def_idx].regno[pkt->insn[def_idx].dest_idx]; /* Now patch up the consumer with the register number */ pkt->insn[i].regno[use_regidx] = def_regnum ^ def_oreg; - /* special case for (Vx,Vy) */ - dststr = strchr(reginfo, 'y'); - if (def_oreg && strchr(reginfo, 'x') && dststr) { - def_regnum = pkt->insn[def_idx].regno[dststr - reginfo]; - pkt->insn[i].regno[use_regidx] = def_regnum; - } /* * We need to remember who produces this value to later * check if it was dynamically cancelled diff --git a/target/hexagon/opcodes.c b/target/hexagon/opcodes.c index 1f7f3def38..02ae9cf787 100644 --- a/target/hexagon/opcodes.c +++ b/target/hexagon/opcodes.c @@ -36,34 +36,6 @@ const char * const opcode_names[] = { #undef OPCODE }; -const char * const opcode_reginfo[] = { -#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ -#define REGINFO(TAG, REGINFO, RREGS, WREGS) REGINFO, -#include "op_regs_generated.h.inc" - NULL -#undef REGINFO -#undef IMMINFO -}; - - -const char * const opcode_rregs[] = { -#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ -#define REGINFO(TAG, REGINFO, RREGS, WREGS) RREGS, -#include "op_regs_generated.h.inc" - NULL -#undef REGINFO -#undef IMMINFO -}; - - -const char * const opcode_wregs[] = { -#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ -#define REGINFO(TAG, REGINFO, RREGS, WREGS) WREGS, -#include "op_regs_generated.h.inc" - NULL -#undef REGINFO -#undef IMMINFO -}; const char * const opcode_short_semantics[] = { #define DEF_SHORTCODE(TAG, SHORTCODE) [TAG] = #SHORTCODE, diff --git a/target/hexagon/opcodes.h b/target/hexagon/opcodes.h index fa7e321950..0ee11bd445 100644 --- a/target/hexagon/opcodes.h +++ b/target/hexagon/opcodes.h @@ -40,10 +40,6 @@ typedef enum { extern const char * const opcode_names[]; -extern const char * const opcode_reginfo[]; -extern const char * const opcode_rregs[]; -extern const char * const opcode_wregs[]; - typedef struct { const char * const encoding; 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Sun, 5 May 2024 19:42:51 -0700 From: Brian Cain To: CC: , , , , , , , , , , Subject: [PULL 13/15] Hexagon (target/hexagon) Remove gen_op_regs.py Date: Sun, 5 May 2024 19:42:25 -0700 Message-ID: <20240506024227.3345791-14-bcain@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240506024227.3345791-1-bcain@quicinc.com> References: <20240506024227.3345791-1-bcain@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: NoIumbZp72swAWEgHYxoh5LXr7bCdf-T X-Proofpoint-GUID: NoIumbZp72swAWEgHYxoh5LXr7bCdf-T X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-05_17,2024-05-03_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 malwarescore=0 phishscore=0 mlxlogscore=940 adultscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405060012 Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, WEIRD_QUOTING=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-8-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/README | 1 - target/hexagon/gen_op_regs.py | 125 ---------------------------------- target/hexagon/meson.build | 14 +--- 3 files changed, 2 insertions(+), 138 deletions(-) delete mode 100755 target/hexagon/gen_op_regs.py diff --git a/target/hexagon/README b/target/hexagon/README index c1d8c8d0ab..224a3f9206 100644 --- a/target/hexagon/README +++ b/target/hexagon/README @@ -43,7 +43,6 @@ target/hexagon/gen_semantics.c. This step produces That file is consumed by the following python scripts to produce the indicated header files in /target/hexagon gen_opcodes_def.py -> opcodes_def_generated.h.inc - gen_op_regs.py -> op_regs_generated.h.inc gen_printinsn.py -> printinsn_generated.h.inc gen_op_attribs.py -> op_attribs_generated.h.inc gen_helper_protos.py -> helper_protos_generated.h.inc diff --git a/target/hexagon/gen_op_regs.py b/target/hexagon/gen_op_regs.py deleted file mode 100755 index 7b7b33895a..0000000000 --- a/target/hexagon/gen_op_regs.py +++ /dev/null @@ -1,125 +0,0 @@ -#!/usr/bin/env python3 - -## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, see . -## - -import sys -import re -import string -import hex_common - - -## -## Generate the register and immediate operands for each instruction -## -def calculate_regid_reg(tag): - def letter_inc(x): - return chr(ord(x) + 1) - - ordered_implregs = ["SP", "FP", "LR"] - srcdst_lett = "X" - src_lett = "S" - dst_lett = "D" - retstr = "" - mapdict = {} - for reg in ordered_implregs: - reg_rd = 0 - reg_wr = 0 - if ("A_IMPLICIT_WRITES_" + reg) in hex_common.attribdict[tag]: - reg_wr = 1 - if reg_rd and reg_wr: - retstr += srcdst_lett - mapdict[srcdst_lett] = reg - srcdst_lett = letter_inc(srcdst_lett) - elif reg_rd: - retstr += src_lett - mapdict[src_lett] = reg - src_lett = letter_inc(src_lett) - elif reg_wr: - retstr += dst_lett - mapdict[dst_lett] = reg - dst_lett = letter_inc(dst_lett) - return retstr, mapdict - - -def calculate_regid_letters(tag): - retstr, mapdict = calculate_regid_reg(tag) - return retstr - - -def strip_reg_prefix(x): - y = x.replace("UREG.", "") - y = y.replace("MREG.", "") - return y.replace("GREG.", "") - - -def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.init_registers() - tagregs = hex_common.get_tagregs(full=True) - tagimms = hex_common.get_tagimms() - - with open(sys.argv[3], "w") as f: - for tag in hex_common.tags: - regs = tagregs[tag] - rregs = [] - wregs = [] - regids = "" - for regtype, regid, _, numregs in regs: - reg = hex_common.get_register(tag, regtype, regid) - if reg.is_read(): - if regid[0] not in regids: - regids += regid[0] - rregs.append(regtype + regid + numregs) - if reg.is_written(): - wregs.append(regtype + regid + numregs) - if regid[0] not in regids: - regids += regid[0] - for attrib in hex_common.attribdict[tag]: - if hex_common.attribinfo[attrib]["rreg"]: - rregs.append(strip_reg_prefix(attribinfo[attrib]["rreg"])) - if hex_common.attribinfo[attrib]["wreg"]: - wregs.append(strip_reg_prefix(attribinfo[attrib]["wreg"])) - regids += calculate_regid_letters(tag) - f.write( - f'REGINFO({tag},"{regids}",\t/*RD:*/\t"{",".join(rregs)}",' - f'\t/*WR:*/\t"{",".join(wregs)}")\n' - ) - - for tag in hex_common.tags: - imms = tagimms[tag] - f.write(f"IMMINFO({tag}") - if not imms: - f.write(""",'u',0,0,'U',0,0""") - for sign, size, shamt in imms: - if sign == "r": - sign = "s" - if not shamt: - shamt = "0" - f.write(f""",'{sign}',{size},{shamt}""") - if len(imms) == 1: - if sign.isupper(): - myu = "u" - else: - myu = "U" - f.write(f""",'{myu}',0,0""") - f.write(")\n") - - -if __name__ == "__main__": - main() diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index fb480afc03..b3a0944d3b 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -1,5 +1,5 @@ ## -## Copyright(c) 2020-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2020-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -45,7 +45,6 @@ hexagon_ss.add(semantics_generated) # shortcode_generated.h.inc # tcg_func_table_generated.c.inc # printinsn_generated.h.inc -# op_regs_generated.h.inc # op_attribs_generated.h.inc # opcodes_def_generated.h.inc # @@ -76,15 +75,6 @@ printinsn_generated = custom_target( ) hexagon_ss.add(printinsn_generated) -op_regs_generated = custom_target( - 'op_regs_generated.h.inc', - output: 'op_regs_generated.h.inc', - depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_op_regs.py'), semantics_generated, attribs_def, '@OUTPUT@'], -) -hexagon_ss.add(op_regs_generated) - op_attribs_generated = custom_target( 'op_attribs_generated.h.inc', output: 'op_attribs_generated.h.inc', @@ -110,7 +100,7 @@ hexagon_ss.add(opcodes_def_generated) # gen_dectree_import = executable( 'gen_dectree_import', - 'gen_dectree_import.c', opcodes_def_generated, op_regs_generated, + 'gen_dectree_import.c', opcodes_def_generated, native: true, build_by_default: false) iset_py = custom_target( From patchwork Mon May 6 02:42:26 2024 Content-Type: text/plain; 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson This data structure is not used Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20240307032327.4799-9-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/README | 1 - target/hexagon/gen_shortcode.py | 63 --------------------------------- target/hexagon/meson.build | 10 ------ target/hexagon/opcodes.c | 7 ---- 4 files changed, 81 deletions(-) delete mode 100755 target/hexagon/gen_shortcode.py diff --git a/target/hexagon/README b/target/hexagon/README index 224a3f9206..7ffd517d70 100644 --- a/target/hexagon/README +++ b/target/hexagon/README @@ -46,7 +46,6 @@ header files in /target/hexagon gen_printinsn.py -> printinsn_generated.h.inc gen_op_attribs.py -> op_attribs_generated.h.inc gen_helper_protos.py -> helper_protos_generated.h.inc - gen_shortcode.py -> shortcode_generated.h.inc gen_tcg_funcs.py -> tcg_funcs_generated.c.inc gen_tcg_func_table.py -> tcg_func_table_generated.c.inc gen_helper_funcs.py -> helper_funcs_generated.c.inc diff --git a/target/hexagon/gen_shortcode.py b/target/hexagon/gen_shortcode.py deleted file mode 100755 index deb94446c4..0000000000 --- a/target/hexagon/gen_shortcode.py +++ /dev/null @@ -1,63 +0,0 @@ -#!/usr/bin/env python3 - -## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, see . -## - -import sys -import re -import string -import hex_common - - -def gen_shortcode(f, tag): - f.write(f"DEF_SHORTCODE({tag}, {hex_common.semdict[tag]})\n") - - -def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.calculate_attribs() - tagregs = hex_common.get_tagregs() - tagimms = hex_common.get_tagimms() - - with open(sys.argv[3], "w") as f: - f.write("#ifndef DEF_SHORTCODE\n") - f.write("#define DEF_SHORTCODE(TAG,SHORTCODE) /* Nothing */\n") - f.write("#endif\n") - - for tag in hex_common.tags: - ## Skip the priv instructions - if "A_PRIV" in hex_common.attribdict[tag]: - continue - ## Skip the guest instructions - if "A_GUEST" in hex_common.attribdict[tag]: - continue - ## Skip the diag instructions - if tag == "Y6_diag": - continue - if tag == "Y6_diag0": - continue - if tag == "Y6_diag1": - continue - - gen_shortcode(f, tag) - - f.write("#undef DEF_SHORTCODE\n") - - -if __name__ == "__main__": - main() diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index b3a0944d3b..988e7489ba 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -42,21 +42,11 @@ hexagon_ss.add(semantics_generated) # # Step 2 # We use Python scripts to generate the following files -# shortcode_generated.h.inc # tcg_func_table_generated.c.inc # printinsn_generated.h.inc # op_attribs_generated.h.inc # opcodes_def_generated.h.inc # -shortcode_generated = custom_target( - 'shortcode_generated.h.inc', - output: 'shortcode_generated.h.inc', - depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_shortcode.py'), semantics_generated, attribs_def, '@OUTPUT@'], -) -hexagon_ss.add(shortcode_generated) - tcg_func_table_generated = custom_target( 'tcg_func_table_generated.c.inc', output: 'tcg_func_table_generated.c.inc', diff --git a/target/hexagon/opcodes.c b/target/hexagon/opcodes.c index 02ae9cf787..c8bde2f9e9 100644 --- a/target/hexagon/opcodes.c +++ b/target/hexagon/opcodes.c @@ -37,13 +37,6 @@ const char * const opcode_names[] = { }; -const char * const opcode_short_semantics[] = { -#define DEF_SHORTCODE(TAG, SHORTCODE) [TAG] = #SHORTCODE, -#include "shortcode_generated.h.inc" -#undef DEF_SHORTCODE - NULL -}; - DECLARE_BITMAP(opcode_attribs[XX_LAST_OPCODE], A_ZZ_LASTATTRIB); static void init_attribs(int tag, ...) 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envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Taylor Simpson The attribinfo data structure is not used Adjust the command-line arguments to the python scripts Add hex_common.read_common_files for TCG/helper generation scripts Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20240307032327.4799-10-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/gen_analyze_funcs.py | 19 +------------- target/hexagon/gen_helper_funcs.py | 21 ++------------- target/hexagon/gen_helper_protos.py | 19 +------------- target/hexagon/gen_idef_parser_funcs.py | 5 ++-- target/hexagon/gen_op_attribs.py | 5 ++-- target/hexagon/gen_opcodes_def.py | 4 +-- target/hexagon/gen_printinsn.py | 5 ++-- target/hexagon/gen_tcg_func_table.py | 5 ++-- target/hexagon/gen_tcg_funcs.py | 21 ++------------- target/hexagon/hex_common.py | 35 +++++++++++++++---------- target/hexagon/meson.build | 31 +++++++++++----------- 11 files changed, 52 insertions(+), 118 deletions(-) diff --git a/target/hexagon/gen_analyze_funcs.py b/target/hexagon/gen_analyze_funcs.py index 81e1d9cfa3..54bac19724 100755 --- a/target/hexagon/gen_analyze_funcs.py +++ b/target/hexagon/gen_analyze_funcs.py @@ -78,24 +78,7 @@ def gen_analyze_func(f, tag, regs, imms): def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.read_overrides_file(sys.argv[3]) - hex_common.read_overrides_file(sys.argv[4]) - ## Whether or not idef-parser is enabled is - ## determined by the number of arguments to - ## this script: - ## - ## 5 args. -> not enabled, - ## 6 args. -> idef-parser enabled. - ## - ## The 6:th arg. then holds a list of the successfully - ## parsed instructions. - is_idef_parser_enabled = len(sys.argv) > 6 - if is_idef_parser_enabled: - hex_common.read_idef_parser_enabled_file(sys.argv[5]) - hex_common.calculate_attribs() - hex_common.init_registers() + hex_common.read_common_files() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() diff --git a/target/hexagon/gen_helper_funcs.py b/target/hexagon/gen_helper_funcs.py index 9cc3d69c49..e9685bff2f 100755 --- a/target/hexagon/gen_helper_funcs.py +++ b/target/hexagon/gen_helper_funcs.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -102,24 +102,7 @@ def gen_helper_function(f, tag, tagregs, tagimms): def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.read_overrides_file(sys.argv[3]) - hex_common.read_overrides_file(sys.argv[4]) - ## Whether or not idef-parser is enabled is - ## determined by the number of arguments to - ## this script: - ## - ## 5 args. -> not enabled, - ## 6 args. -> idef-parser enabled. - ## - ## The 6:th arg. then holds a list of the successfully - ## parsed instructions. - is_idef_parser_enabled = len(sys.argv) > 6 - if is_idef_parser_enabled: - hex_common.read_idef_parser_enabled_file(sys.argv[5]) - hex_common.calculate_attribs() - hex_common.init_registers() + hex_common.read_common_files() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() diff --git a/target/hexagon/gen_helper_protos.py b/target/hexagon/gen_helper_protos.py index f8578d5033..fd2bfd0f36 100755 --- a/target/hexagon/gen_helper_protos.py +++ b/target/hexagon/gen_helper_protos.py @@ -52,24 +52,7 @@ def gen_helper_prototype(f, tag, tagregs, tagimms): def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.read_overrides_file(sys.argv[3]) - hex_common.read_overrides_file(sys.argv[4]) - ## Whether or not idef-parser is enabled is - ## determined by the number of arguments to - ## this script: - ## - ## 5 args. -> not enabled, - ## 6 args. -> idef-parser enabled. - ## - ## The 6:th arg. then holds a list of the successfully - ## parsed instructions. - is_idef_parser_enabled = len(sys.argv) > 6 - if is_idef_parser_enabled: - hex_common.read_idef_parser_enabled_file(sys.argv[5]) - hex_common.calculate_attribs() - hex_common.init_registers() + hex_common.read_common_files() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() diff --git a/target/hexagon/gen_idef_parser_funcs.py b/target/hexagon/gen_idef_parser_funcs.py index 550a48cb7b..eb494abba8 100644 --- a/target/hexagon/gen_idef_parser_funcs.py +++ b/target/hexagon/gen_idef_parser_funcs.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 rev.ng Labs Srl. All Rights Reserved. +## Copyright(c) 2019-2024 rev.ng Labs Srl. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -44,13 +44,12 @@ ## def main(): hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) hex_common.calculate_attribs() hex_common.init_registers() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() - with open(sys.argv[3], "w") as f: + with open(sys.argv[-1], "w") as f: f.write('#include "macros.inc"\n\n') for tag in hex_common.tags: diff --git a/target/hexagon/gen_op_attribs.py b/target/hexagon/gen_op_attribs.py index 41074b8573..99448220da 100755 --- a/target/hexagon/gen_op_attribs.py +++ b/target/hexagon/gen_op_attribs.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -25,13 +25,12 @@ def main(): hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) hex_common.calculate_attribs() ## ## Generate all the attributes associated with each instruction ## - with open(sys.argv[3], "w") as f: + with open(sys.argv[-1], "w") as f: for tag in hex_common.tags: f.write( f"OP_ATTRIB({tag},ATTRIBS(" diff --git a/target/hexagon/gen_opcodes_def.py b/target/hexagon/gen_opcodes_def.py index cddd868fe3..536f0eb68a 100755 --- a/target/hexagon/gen_opcodes_def.py +++ b/target/hexagon/gen_opcodes_def.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -29,7 +29,7 @@ def main(): ## ## Generate a list of all the opcodes ## - with open(sys.argv[3], "w") as f: + with open(sys.argv[-1], "w") as f: for tag in hex_common.tags: f.write(f"OPCODE({tag}),\n") diff --git a/target/hexagon/gen_printinsn.py b/target/hexagon/gen_printinsn.py index e570bd7c6a..8bf4d0985c 100755 --- a/target/hexagon/gen_printinsn.py +++ b/target/hexagon/gen_printinsn.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -97,11 +97,10 @@ def spacify(s): def main(): hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) immext_casere = re.compile(r"IMMEXT\(([A-Za-z])") - with open(sys.argv[3], "w") as f: + with open(sys.argv[-1], "w") as f: for tag in hex_common.tags: if not hex_common.behdict[tag]: continue diff --git a/target/hexagon/gen_tcg_func_table.py b/target/hexagon/gen_tcg_func_table.py index f998ef0992..978ac1819b 100755 --- a/target/hexagon/gen_tcg_func_table.py +++ b/target/hexagon/gen_tcg_func_table.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -25,12 +25,11 @@ def main(): hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) hex_common.calculate_attribs() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() - with open(sys.argv[3], "w") as f: + with open(sys.argv[-1], "w") as f: f.write("#ifndef HEXAGON_FUNC_TABLE_H\n") f.write("#define HEXAGON_FUNC_TABLE_H\n\n") diff --git a/target/hexagon/gen_tcg_funcs.py b/target/hexagon/gen_tcg_funcs.py index 3d8e3cb6a2..05aa0a7855 100755 --- a/target/hexagon/gen_tcg_funcs.py +++ b/target/hexagon/gen_tcg_funcs.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 ## -## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. +## Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Reserved. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -108,24 +108,7 @@ def gen_def_tcg_func(f, tag, tagregs, tagimms): def main(): - hex_common.read_semantics_file(sys.argv[1]) - hex_common.read_attribs_file(sys.argv[2]) - hex_common.read_overrides_file(sys.argv[3]) - hex_common.read_overrides_file(sys.argv[4]) - hex_common.calculate_attribs() - hex_common.init_registers() - ## Whether or not idef-parser is enabled is - ## determined by the number of arguments to - ## this script: - ## - ## 5 args. -> not enabled, - ## 6 args. -> idef-parser enabled. - ## - ## The 6:th arg. then holds a list of the successfully - ## parsed instructions. - is_idef_parser_enabled = len(sys.argv) > 6 - if is_idef_parser_enabled: - hex_common.read_idef_parser_enabled_file(sys.argv[5]) + is_idef_parser_enabled = hex_common.read_common_files() tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index f6f187968a..15ed4980e4 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -26,7 +26,6 @@ semdict = {} # tag -> semantics attribdict = {} # tag -> attributes macros = {} # macro -> macro information... -attribinfo = {} # Register information and misc registers = {} # register -> register functions new_registers = {} tags = [] # list of all tags @@ -288,19 +287,6 @@ def read_semantics_file(name): eval_line = "" -def read_attribs_file(name): - attribre = re.compile( - r"DEF_ATTRIB\(([A-Za-z0-9_]+), ([^,]*), " - + r'"([A-Za-z0-9_\.]*)", "([A-Za-z0-9_\.]*)"\)' - ) - for line in open(name, "rt").readlines(): - if not attribre.match(line): - continue - (attrib_base, descr, rreg, wreg) = attribre.findall(line)[0] - attrib_base = "A_" + attrib_base - attribinfo[attrib_base] = {"rreg": rreg, "wreg": wreg, "descr": descr} - - def read_overrides_file(name): overridere = re.compile(r"#define fGEN_TCG_([A-Za-z0-9_]+)\(.*") for line in open(name, "rt").readlines(): @@ -1193,3 +1179,24 @@ def helper_args(tag, regs, imms): "uint32_t part1" )) return args + + +def read_common_files(): + read_semantics_file(sys.argv[1]) + read_overrides_file(sys.argv[2]) + read_overrides_file(sys.argv[3]) + ## Whether or not idef-parser is enabled is + ## determined by the number of arguments to + ## this script: + ## + ## 4 args. -> not enabled, + ## 5 args. -> idef-parser enabled. + ## + ## The 5:th arg. then holds a list of the successfully + ## parsed instructions. + is_idef_parser_enabled = len(sys.argv) > 5 + if is_idef_parser_enabled: + read_idef_parser_enabled_file(sys.argv[4]) + calculate_attribs() + init_registers() + return is_idef_parser_enabled diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index 988e7489ba..b0b253aa6b 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -18,7 +18,6 @@ hexagon_ss = ss.source_set() hex_common_py = 'hex_common.py' -attribs_def = meson.current_source_dir() / 'attribs_def.h.inc' gen_tcg_h = meson.current_source_dir() / 'gen_tcg.h' gen_tcg_hvx_h = meson.current_source_dir() / 'gen_tcg_hvx.h' idef_parser_dir = meson.current_source_dir() / 'idef-parser' @@ -51,8 +50,8 @@ tcg_func_table_generated = custom_target( 'tcg_func_table_generated.c.inc', output: 'tcg_func_table_generated.c.inc', depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_tcg_func_table.py'), semantics_generated, attribs_def, '@OUTPUT@'], + depend_files: [hex_common_py], + command: [python, files('gen_tcg_func_table.py'), semantics_generated, '@OUTPUT@'], ) hexagon_ss.add(tcg_func_table_generated) @@ -60,8 +59,8 @@ printinsn_generated = custom_target( 'printinsn_generated.h.inc', output: 'printinsn_generated.h.inc', depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_printinsn.py'), semantics_generated, attribs_def, '@OUTPUT@'], + depend_files: [hex_common_py], + command: [python, files('gen_printinsn.py'), semantics_generated, '@OUTPUT@'], ) hexagon_ss.add(printinsn_generated) @@ -69,8 +68,8 @@ op_attribs_generated = custom_target( 'op_attribs_generated.h.inc', output: 'op_attribs_generated.h.inc', depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_op_attribs.py'), semantics_generated, attribs_def, '@OUTPUT@'], + depend_files: [hex_common_py], + command: [python, files('gen_op_attribs.py'), semantics_generated, '@OUTPUT@'], ) hexagon_ss.add(op_attribs_generated) @@ -78,8 +77,8 @@ opcodes_def_generated = custom_target( 'opcodes_def_generated.h.inc', output: 'opcodes_def_generated.h.inc', depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def], - command: [python, files('gen_opcodes_def.py'), semantics_generated, attribs_def, '@OUTPUT@'], + depend_files: [hex_common_py], + command: [python, files('gen_opcodes_def.py'), semantics_generated, '@OUTPUT@'], ) hexagon_ss.add(opcodes_def_generated) @@ -278,7 +277,7 @@ if idef_parser_enabled and 'hexagon-linux-user' in target_dirs output: 'idef_parser_input.h.inc', depends: [semantics_generated], depend_files: [hex_common_py], - command: [python, files('gen_idef_parser_funcs.py'), semantics_generated, attribs_def, '@OUTPUT@'], + command: [python, files('gen_idef_parser_funcs.py'), semantics_generated, '@OUTPUT@'], ) preprocessed_idef_parser_input_generated = custom_target( @@ -347,12 +346,12 @@ if idef_parser_enabled and 'hexagon-linux-user' in target_dirs # Setup input and dependencies for the next step, this depends on whether or # not idef-parser is enabled helper_dep = [semantics_generated, idef_generated_tcg_c, idef_generated_tcg] - helper_in = [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hvx_h, idef_generated_list] + helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h, idef_generated_list] else # Setup input and dependencies for the next step, this depends on whether or # not idef-parser is enabled helper_dep = [semantics_generated] - helper_in = [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hvx_h] + helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h] endif # @@ -366,7 +365,7 @@ helper_protos_generated = custom_target( 'helper_protos_generated.h.inc', output: 'helper_protos_generated.h.inc', depends: helper_dep, - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h], command: [python, files('gen_helper_protos.py'), helper_in, '@OUTPUT@'], ) hexagon_ss.add(helper_protos_generated) @@ -375,7 +374,7 @@ helper_funcs_generated = custom_target( 'helper_funcs_generated.c.inc', output: 'helper_funcs_generated.c.inc', depends: helper_dep, - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h], command: [python, files('gen_helper_funcs.py'), helper_in, '@OUTPUT@'], ) hexagon_ss.add(helper_funcs_generated) @@ -384,7 +383,7 @@ tcg_funcs_generated = custom_target( 'tcg_funcs_generated.c.inc', output: 'tcg_funcs_generated.c.inc', depends: helper_dep, - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h], command: [python, files('gen_tcg_funcs.py'), helper_in, '@OUTPUT@'], ) hexagon_ss.add(tcg_funcs_generated) @@ -393,7 +392,7 @@ analyze_funcs_generated = custom_target( 'analyze_funcs_generated.c.inc', output: 'analyze_funcs_generated.c.inc', depends: helper_dep, - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h], command: [python, files('gen_analyze_funcs.py'), helper_in, '@OUTPUT@'], ) hexagon_ss.add(analyze_funcs_generated)