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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; const EncClass enc_class;