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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id f18sm6567309pgv.84.2020.08.06.03.47.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2020 03:47:56 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v3 14/71] target/riscv: rvv-1.0: update check functions Date: Thu, 6 Aug 2020 18:46:11 +0800 Message-Id: <20200806104709.13235-15-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200806104709.13235-1-frank.chang@sifive.com> References: <20200806104709.13235-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x636.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang Update check functions with RVV 0.9 rules. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.inc.c | 706 ++++++++++++++++-------- 1 file changed, 474 insertions(+), 232 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index 75aab0a50f9..c2d0865bb9b 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -19,11 +19,79 @@ #include "tcg/tcg-gvec-desc.h" #include "internals.h" +#define NVPR 32 + +static inline bool is_aligned(const unsigned val, const unsigned pos) +{ + return pos ? (val & (pos - 1)) == 0 : true; +} + +static inline bool is_overlapped(const int astart, int asize, + const int bstart, int bsize) +{ + asize = asize == 0 ? 1 : asize; + bsize = bsize == 0 ? 1 : bsize; + + const int aend = astart + asize; + const int bend = bstart + bsize; + + return MAX(aend, bend) - MIN(astart, bstart) < asize + bsize; +} + +static inline bool is_overlapped_widen(const int astart, int asize, + const int bstart, int bsize) +{ + asize = asize == 0 ? 1 : asize; + bsize = bsize == 0 ? 1 : bsize; + + const int aend = astart + asize; + const int bend = bstart + bsize; + + if (astart < bstart && + is_overlapped(astart, asize, bstart, bsize) && + !is_overlapped(astart, asize, bstart + bsize, bsize)) { + return false; + } else { + return MAX(aend, bend) - MIN(astart, bstart) < asize + bsize; + } +} + +static bool require_rvv(DisasContext *s) +{ + if (s->mstatus_vs == 0) { + return false; + } + return true; +} + +/* Destination vector register group cannot overlap source mask register. */ +static bool require_vm(int vm, int rd) +{ + return (vm != 0 || rd != 0); +} + +static bool require_align(const unsigned val, const unsigned pos) +{ + return is_aligned(val, pos); +} + +static bool require_noover(const int astart, const int asize, + const int bstart, const int bsize) +{ + return !is_overlapped(astart, asize, bstart, bsize); +} + +static bool require_noover_widen(const int astart, const int asize, + const int bstart, const int bsize) +{ + return !is_overlapped_widen(astart, asize, bstart, bsize); +} + static bool trans_vsetvl(DisasContext *ctx, arg_vsetvl *a) { TCGv s1, s2, dst; - if (!has_ext(ctx, RVV)) { + if (!require_rvv(ctx) || !has_ext(ctx, RVV)) { return false; } @@ -56,7 +124,7 @@ static bool trans_vsetvli(DisasContext *ctx, arg_vsetvli *a) { TCGv s1, s2, dst; - if (!has_ext(ctx, RVV)) { + if (!require_rvv(ctx) || !has_ext(ctx, RVV)) { return false; } @@ -101,53 +169,264 @@ static bool vext_check_isa_ill(DisasContext *s) } /* - * There are two rules check here. + * Check function for vector instruction with format: + * single-width result and single-width sources (SEW = SEW op SEW) * - * 1. Vector register numbers are multiples of LMUL. (Section 3.2) + * is_vs1: indicates whether insn[19:15] is a vs1 field or not. * - * 2. For all widening instructions, the destination LMUL value must also be - * a supported LMUL value. (Section 11.2) + * Rules to be checked here: + * 1. Destination vector register group for a masked vector + * instruction cannot overlap the source mask register (v0). + * (Section 5.3) + * 2. Destination vector register number is multiples of LMUL. + * (Section 3.3.2) + * 3. Source (vs2, vs1) vector register number are multiples of LMUL. + * (Section 3.3.2) */ -static bool vext_check_reg(DisasContext *s, uint32_t reg, bool widen) +static bool vext_check_sss(DisasContext *s, int vd, int vs1, + int vs2, int vm, bool is_vs1) +{ + bool ret = require_vm(vm, vd); + if (s->flmul > 1) { + ret &= require_align(vd, s->flmul) && + require_align(vs2, s->flmul); + if (is_vs1) { + ret &= require_align(vs1, s->flmul); + } + } + return ret; +} + +/* + * Check function for maskable vector instruction with format: + * single-width result and single-width sources (SEW = SEW op SEW) + * + * is_vs1: indicates whether insn[19:15] is a vs1 field or not. + * + * Rules to be checked here: + * 1. Source (vs2, vs1) vector register number are multiples of LMUL. + * (Section 3.3.2) + * 2. Destination vector register cannot overlap a source vector + * register (vs2, vs1) group. + * (Section 5.2) + */ +static bool vext_check_mss(DisasContext *s, int vd, int vs1, + int vs2, bool is_vs1) { - /* - * The destination vector register group results are arranged as if both - * SEW and LMUL were at twice their current settings. (Section 11.2). - */ - int legal = widen ? 2 << s->lmul : 1 << s->lmul; + bool ret = require_align(vs2, s->flmul); + if (vd != vs2) { + ret &= require_noover(vd, 1, vs2, s->flmul); + } + if (is_vs1) { + if (vd != vs1) { + ret &= require_noover(vd, 1, vs1, s->flmul); + } + ret &= require_align(vs1, s->flmul); + } + return ret; +} - return !((s->lmul == 0x3 && widen) || (reg % legal)); +/* + * Common check function for vector widening instructions + * of double-width result (2*SEW). + * + * Rules to be checked here: + * 1. The largest vector register group used by an instruction + * can not be greater than 8 vector registers (Section 5.2): + * => LMUL < 8. + * => SEW < 64. + * 2. Destination vector register number is multiples of 2 * LMUL. + * (Section 3.3.2, 11.2) + * 3. Destination vector register group for a masked vector + * instruction cannot overlap the source mask register (v0). + * (Section 5.3) + */ +static bool vext_wide_check_common(DisasContext *s, int vd, int vm) +{ + return (s->flmul <= 4) && + (s->sew < 3) && + require_align(vd, s->flmul * 2) && + require_vm(vm, vd); } /* - * There are two rules check here. + * Common check function for vector narrowing instructions + * of single-width result (SEW) and double-width source (2*SEW). + * + * Rules to be checked here: + * 1. The largest vector register group used by an instruction + * can not be greater than 8 vector registers (Section 5.2): + * => LMUL < 8. + * => SEW < 64. + * 2. Source vector register number is multiples of 2 * LMUL. + * (Section 3.3.2, 11.3) + * 3. Destination vector register number is multiples of LMUL. + * (Section 3.3.2, 11.3) + * 4. Destination vector register group for a masked vector + * instruction cannot overlap the source mask register (v0). + * (Section 5.3) + */ +static bool vext_narrow_check_common(DisasContext *s, int vd, int vs2, + int vm) +{ + return (s->flmul <= 4) && + (s->sew < 3) && + require_align(vs2, s->flmul * 2) && + require_align(vd, s->flmul) && + require_vm(vm, vd); +} + +/* + * Check function for vector instruction with format: + * double-width result and single-width sources (2*SEW = SEW op SEW) * - * 1. The destination vector register group for a masked vector instruction can - * only overlap the source mask register (v0) when LMUL=1. (Section 5.3) + * is_vs1: indicates whether insn[19:15] is a vs1 field or not. * - * 2. In widen instructions and some other insturctions, like vslideup.vx, - * there is no need to check whether LMUL=1. + * Rules to be checked here: + * 1. All rules in defined in widen common rules are applied. + * 2. Source (vs2, vs1) vector register number are multiples of LMUL. + * (Section 3.3.2) + * 3. Destination vector register cannot overlap a source vector + * register (vs2, vs1) group. + * (Section 5.2) */ -static bool vext_check_overlap_mask(DisasContext *s, uint32_t vd, bool vm, - bool force) +static bool vext_check_dss(DisasContext *s, int vd, int vs1, int vs2, + int vm, bool is_vs1) { - return (vm != 0 || vd != 0) || (!force && (s->lmul == 0)); + bool ret = (vext_wide_check_common(s, vd, vm) && + require_align(vs2, s->flmul)); + if (s->flmul < 1) { + ret &= require_noover(vd, s->flmul * 2, vs2, s->flmul); + } else { + ret &= require_noover_widen(vd, s->flmul * 2, vs2, s->flmul); + } + if (is_vs1) { + ret &= require_align(vs1, s->flmul); + if (s->flmul < 1) { + ret &= require_noover(vd, s->flmul * 2, vs1, s->flmul); + } else { + ret &= require_noover_widen(vd, s->flmul * 2, vs1, s->flmul); + } + } + return ret; } -/* The LMUL setting must be such that LMUL * NFIELDS <= 8. (Section 7.8) */ -static bool vext_check_nf(DisasContext *s, uint32_t nf) +/* + * Check function for vector instruction with format: + * double-width result and double-width source1 and single-width + * source2 (2*SEW = 2*SEW op SEW) + * + * is_vs1: indicates whether insn[19:15] is a vs1 field or not. + * + * Rules to be checked here: + * 1. All rules in defined in widen common rules are applied. + * 2. Source 1 (vs2) vector register number is multiples of 2 * LMUL. + * (Section 3.3.2) + * 3. Source 2 (vs1) vector register number is multiples of LMUL. + * (Section 3.3.2) + * 4. Destination vector register cannot overlap a source vector + * register (vs1) group. + * (Section 5.2) + */ +static bool vext_check_dds(DisasContext *s, int vd, int vs1, int vs2, + int vm, bool is_vs1) +{ + bool ret = (vext_wide_check_common(s, vd, vm) && + require_align(vs2, s->flmul * 2)); + if (is_vs1) { + ret &= require_align(vs1, s->flmul); + if (s->flmul < 1) { + ret &= require_noover(vd, s->flmul * 2, vs1, s->flmul); + } else { + ret &= require_noover_widen(vd, s->flmul * 2, vs1, s->flmul); + } + } + return ret; +} + +/* + * Check function for vector instruction with format: + * single-width result and double-width source 1 and single-width + * source 2 (SEW = 2*SEW op SEW) + * + * is_vs1: indicates whether insn[19:15] is a vs1 field or not. + * + * Rules to be checked here: + * 1. All rules in defined in narrow common rules are applied. + * 2. Destination vector register cannot overlap a source vector + * register (vs2) group. + * (Section 5.2) + * 3. Source 2 (vs1) vector register number is multiples of LMUL. + * (Section 3.3.2) + */ +static bool vext_check_sds(DisasContext *s, int vd, int vs1, int vs2, + int vm, bool is_vs1) { - return (1 << s->lmul) * nf <= 8; + bool ret = vext_narrow_check_common(s, vd, vs2, vm); + if (vd != vs2) { + ret &= require_noover(vd, s->flmul, vs2, s->flmul * 2); + } + if (is_vs1) { + ret &= require_align(vs1, s->flmul); + } + return ret; } /* - * The destination vector register group cannot overlap a source vector register - * group of a different element width. (Section 11.2) + * Check function for vector reduction instructions. + * + * Rules to be checked here: + * 1. Source 1 (vs2) vector register number is multiples of LMUL. + * (Section 3.3.2) + * 2. For widening reduction instructions, SEW < 64. + * + * TODO: Check vstart == 0 */ -static inline bool vext_check_overlap_group(int rd, int dlen, int rs, int slen) +static bool vext_check_reduction(DisasContext *s, int vs2, bool is_wide) { - return ((rd >= rs + slen) || (rs >= rd + dlen)); + bool ret = require_align(vs2, s->flmul); + if (is_wide) { + ret &= s->sew < 3; + } + return ret; } + +/* + * Check function for vector slide instructions. + * + * Rules to be checked here: + * 1. Source 1 (vs2) vector register number is multiples of LMUL. + * (Section 3.3.2) + * 2. Destination vector register number is multiples of LMUL. + * (Section 3.3.2) + * 3. Destination vector register group for a masked vector + * instruction cannot overlap the source mask register (v0). + * (Section 5.3) + * 4. The destination vector register group for vslideup, vslide1up, + * vfslide1up, cannot overlap the source vector register (vs2) group. + * (Section 5.2, 17.3.1, 17.3.3) + */ +static bool vext_check_slide(DisasContext *s, int vd, int vs2, + int vm, bool is_over) +{ + bool ret = require_align(vs2, s->flmul) && + require_align(vd, s->flmul) && + require_vm(vm, vd); + if (is_over) { + ret &= (vd != vs2); + } + return ret; +} + +/* + * In cpu_get_tb_cpu_state(), set VILL if RVV was not present. + * So RVV is also be checked in this function. + */ +static bool vext_check_isa_ill(DisasContext *s) +{ + return !s->vill; +} + /* common translation macro */ #define GEN_VEXT_TRANS(NAME, SEQ, ARGTYPE, OP, CHECK) \ static bool trans_##NAME(DisasContext *s, arg_##ARGTYPE *a)\ @@ -803,11 +1082,9 @@ GEN_VEXT_TRANS(vamomaxud_v, 17, rwdvm, amo_op, amo_check) static bool opivv_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, true); } typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t, @@ -898,10 +1175,9 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, uint32_t vm, static bool opivx_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, false); } typedef void GVecGen2sFn(unsigned, uint32_t, uint32_t, TCGv_i64, @@ -1098,16 +1374,9 @@ GEN_OPIVI_GVEC_TRANS(vrsub_vi, 0, vrsub_vx, rsubi) /* OPIVV with WIDEN */ static bool opivv_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs2, - 1 << s->lmul) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs1, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm, true); } static bool do_opivv_widen(DisasContext *s, arg_rmrr *a, @@ -1152,13 +1421,9 @@ GEN_OPIVV_WIDEN_TRANS(vwsub_vv, opivv_widen_check) /* OPIVX with WIDEN */ static bool opivx_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs2, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm, false); } static bool do_opivx_widen(DisasContext *s, arg_rmrr *a, @@ -1189,14 +1454,9 @@ GEN_OPIVX_WIDEN_TRANS(vwsub_vx) /* WIDEN OPIVV with WIDEN */ static bool opiwv_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, true) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs1, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm, true); } static bool do_opiwv_widen(DisasContext *s, arg_rmrr *a, @@ -1239,11 +1499,9 @@ GEN_OPIWV_WIDEN_TRANS(vwsub_wv) /* WIDEN OPIVX with WIDEN */ static bool opiwx_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, true) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm, false); } static bool do_opiwx_widen(DisasContext *s, arg_rmrr *a, @@ -1304,11 +1562,10 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ */ static bool opivv_vadc_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - ((a->rd != 0) || (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + (a->rd != 0) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, true); } GEN_OPIVV_TRANS(vadc_vvm, opivv_vadc_check) @@ -1320,11 +1577,9 @@ GEN_OPIVV_TRANS(vsbc_vvm, opivv_vadc_check) */ static bool opivv_vmadc_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 1, a->rs1, 1 << s->lmul) && - vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, true); } GEN_OPIVV_TRANS(vmadc_vvm, opivv_vmadc_check) @@ -1332,10 +1587,10 @@ GEN_OPIVV_TRANS(vmsbc_vvm, opivv_vmadc_check) static bool opivx_vadc_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - ((a->rd != 0) || (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + (a->rd != 0) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, false); } /* OPIVX without GVEC IR */ @@ -1358,9 +1613,9 @@ GEN_OPIVX_TRANS(vsbc_vxm, opivx_vadc_check) static bool opivx_vmadc_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, false); } GEN_OPIVX_TRANS(vmadc_vxm, opivx_vmadc_check) @@ -1451,14 +1706,9 @@ GEN_OPIVI_GVEC_TRANS(vsra_vi, 1, vsra_vx, sari) /* Vector Narrowing Integer Right Shift Instructions */ static bool opivv_narrow_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, true) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, - 2 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_sds(s, a->rd, a->rs1, a->rs2, a->vm, true); } /* OPIVV with NARROW */ @@ -1492,13 +1742,9 @@ GEN_OPIVV_NARROW_TRANS(vnsrl_vv) static bool opivx_narrow_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, true) && - vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, - 2 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_sds(s, a->rd, a->rs1, a->rs2, a->vm, false); } /* OPIVX with NARROW */ @@ -1546,13 +1792,11 @@ GEN_OPIVI_NARROW_TRANS(vnsrl_vi, 1, vnsrl_vx) */ static bool opivv_cmp_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - ((vext_check_overlap_group(a->rd, 1, a->rs1, 1 << s->lmul) && - vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)) || - (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, true); } + GEN_OPIVV_TRANS(vmseq_vv, opivv_cmp_check) GEN_OPIVV_TRANS(vmsne_vv, opivv_cmp_check) GEN_OPIVV_TRANS(vmsltu_vv, opivv_cmp_check) @@ -1562,10 +1806,9 @@ GEN_OPIVV_TRANS(vmsle_vv, opivv_cmp_check) static bool opivx_cmp_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - (vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul) || - (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, false); } GEN_OPIVX_TRANS(vmseq_vx, opivx_cmp_check) @@ -1644,10 +1887,10 @@ GEN_OPIVX_WIDEN_TRANS(vwmaccus_vx) /* Vector Integer Merge and Move Instructions */ static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs1, false)) { - + if (require_rvv(s) && + vext_check_isa_ill(s) && + /* vmv.v.v has rs2 = 0 and vm = 1 */ + vext_check_sss(s, a->rd, a->rs1, 0, 1, true)) { if (s->vl_eq_vlmax) { tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1), @@ -1675,9 +1918,10 @@ static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a) typedef void gen_helper_vmv_vx(TCGv_ptr, TCGv_i64, TCGv_env, TCGv_i32); static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false)) { - + if (require_rvv(s) && + vext_check_isa_ill(s) && + /* vmv.v.x has rs2 = 0 and vm = 1 */ + vext_check_sss(s, a->rd, a->rs1, 0, 1, false)) { TCGv s1; TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); @@ -1719,9 +1963,10 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a) static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false)) { - + if (require_rvv(s) && + vext_check_isa_ill(s) && + /* vmv.v.i has rs2 = 0 and vm = 1 */ + vext_check_sss(s, a->rd, a->rs1, 0, 1, false)) { int64_t simm = sextract64(a->rs1, 0, 5); if (s->vl_eq_vlmax) { tcg_gen_gvec_dup_imm(s->sew, vreg_ofs(s, a->rd), @@ -1824,12 +2069,10 @@ GEN_OPIVI_NARROW_TRANS(vnclip_vi, 1, vnclip_vx) */ static bool opfvv_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, true) && + (s->sew != 0); } /* OPFVV without GVEC IR */ @@ -1894,17 +2137,17 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, return true; } -static bool opfvf_check(DisasContext *s, arg_rmrr *a) -{ /* * If the current SEW does not correspond to a supported IEEE floating-point * type, an illegal instruction exception is raised */ - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - (s->sew != 0)); +static bool opfvf_check(DisasContext *s, arg_rmrr *a) +{ + return require_rvv(s) && + has_ext(s, RVF) && + vext_check_isa_ill(s) && + vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm, false) && + (s->sew != 0); } /* OPFVF without GVEC IR */ @@ -1934,16 +2177,10 @@ GEN_OPFVF_TRANS(vfrsub_vf, opfvf_check) /* Vector Widening Floating-Point Add/Subtract Instructions */ static bool opfvv_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs2, - 1 << s->lmul) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs1, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm, true) && + (s->sew != 0); } /* OPFVV with WIDEN */ @@ -1977,13 +2214,10 @@ GEN_OPFVV_WIDEN_TRANS(vfwsub_vv, opfvv_widen_check) static bool opfvf_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs2, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm, false) && + (s->sew != 0); } /* OPFVF with WIDEN */ @@ -2009,14 +2243,10 @@ GEN_OPFVF_WIDEN_TRANS(vfwsub_vf) static bool opfwv_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, true) && - vext_check_reg(s, a->rs1, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs1, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm, true) && + (s->sew != 0); } /* WIDEN OPFVV with WIDEN */ @@ -2050,11 +2280,10 @@ GEN_OPFWV_WIDEN_TRANS(vfwsub_wv) static bool opfwf_widen_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, true) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm, false) && + (s->sew != 0); } /* WIDEN OPFVF with WIDEN */ @@ -2125,11 +2354,11 @@ GEN_OPFVF_WIDEN_TRANS(vfwnmsac_vf) */ static bool opfv_check(DisasContext *s, arg_rmr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + /* OPFV instructions ignore vs1 check */ + vext_check_sss(s, a->rd, 0, a->rs2, a->vm, false) && + (s->sew != 0); } #define GEN_OPFV_TRANS(NAME, CHECK) \ @@ -2177,13 +2406,10 @@ GEN_OPFVF_TRANS(vfsgnjx_vf, opfvf_check) /* Vector Floating-Point Compare Instructions */ static bool opfvv_cmp_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - vext_check_reg(s, a->rs1, false) && - (s->sew != 0) && - ((vext_check_overlap_group(a->rd, 1, a->rs1, 1 << s->lmul) && - vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)) || - (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, true) && + (s->sew != 0); } GEN_OPFVV_TRANS(vmfeq_vv, opfvv_cmp_check) @@ -2194,11 +2420,10 @@ GEN_OPFVV_TRANS(vmford_vv, opfvv_cmp_check) static bool opfvf_cmp_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rs2, false) && - (s->sew != 0) && - (vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul) || - (s->lmul == 0))); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_mss(s, a->rd, a->rs1, a->rs2, false) && + (s->sew != 0); } GEN_OPFVF_TRANS(vmfeq_vf, opfvf_cmp_check) @@ -2217,10 +2442,10 @@ GEN_OPFVF_TRANS(vfmerge_vfm, opfvf_check) static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && + if (require_rvv(s) && + vext_check_isa_ill(s) && + require_align(a->rd, s->flmul) && (s->sew != 0)) { - if (s->vl_eq_vlmax) { tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); @@ -2266,13 +2491,11 @@ GEN_OPFV_TRANS(vfcvt_f_x_v, opfv_check) */ static bool opfv_widen_check(DisasContext *s, arg_rmr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, true) && - vext_check_reg(s, a->rs2, false) && - vext_check_overlap_group(a->rd, 2 << s->lmul, a->rs2, - 1 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + /* OPFV widening instructions ignore vs1 check */ + vext_check_dss(s, a->rd, 0, a->rs2, a->vm, false) && + (s->sew != 0); } #define GEN_OPFV_WIDEN_TRANS(NAME) \ @@ -2314,13 +2537,11 @@ GEN_OPFV_WIDEN_TRANS(vfwcvt_f_f_v) */ static bool opfv_narrow_check(DisasContext *s, arg_rmr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, false) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, true) && - vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, - 2 << s->lmul) && - (s->lmul < 0x3) && (s->sew < 0x3) && (s->sew != 0)); + return require_rvv(s) && + vext_check_isa_ill(s) && + /* OPFV narrowing instructions ignore vs1 check */ + vext_check_sds(s, a->rd, 0, a->rs2, a->vm, false) && + (s->sew != 0); } #define GEN_OPFV_NARROW_TRANS(NAME) \ @@ -2360,7 +2581,9 @@ GEN_OPFV_NARROW_TRANS(vfncvt_f_f_v) /* Vector Single-Width Integer Reduction Instructions */ static bool reduction_check(DisasContext *s, arg_rmrr *a) { - return vext_check_isa_ill(s) && vext_check_reg(s, a->rs2, false); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_reduction(s, a->rs2, false); } GEN_OPIVV_TRANS(vredsum_vs, reduction_check) @@ -2373,8 +2596,15 @@ GEN_OPIVV_TRANS(vredor_vs, reduction_check) GEN_OPIVV_TRANS(vredxor_vs, reduction_check) /* Vector Widening Integer Reduction Instructions */ -GEN_OPIVV_WIDEN_TRANS(vwredsum_vs, reduction_check) -GEN_OPIVV_WIDEN_TRANS(vwredsumu_vs, reduction_check) +static bool reduction_widen_check(DisasContext *s, arg_rmrr *a) +{ + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_reduction(s, a->rs2, true); +} + +GEN_OPIVV_WIDEN_TRANS(vwredsum_vs, reduction_widen_check) +GEN_OPIVV_WIDEN_TRANS(vwredsumu_vs, reduction_widen_check) /* Vector Single-Width Floating-Point Reduction Instructions */ GEN_OPFVV_TRANS(vfredsum_vs, reduction_check) @@ -2422,7 +2652,8 @@ GEN_MM_TRANS(vmxnor_mm) /* Vector mask population count vmpopc */ static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a) { - if (vext_check_isa_ill(s)) { + if (require_rvv(s) && + vext_check_isa_ill(s)) { TCGv_ptr src2, mask; TCGv dst; TCGv_i32 desc; @@ -2453,7 +2684,8 @@ static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a) /* vmfirst find-first-set mask bit */ static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a) { - if (vext_check_isa_ill(s)) { + if (require_rvv(s) && + vext_check_isa_ill(s)) { TCGv_ptr src2, mask; TCGv dst; TCGv_i32 desc; @@ -2512,10 +2744,11 @@ GEN_M_TRANS(vmsof_m) /* Vector Iota Instruction */ static bool trans_viota_m(DisasContext *s, arg_viota_m *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, 1) && - (a->vm != 0 || a->rd != 0)) { + if (require_rvv(s) && + vext_check_isa_ill(s) && + require_noover(a->rd, s->flmul, a->rs2, 1) && + require_vm(a->vm, a->rd) && + require_align(a->rd, s->flmul)) { uint32_t data = 0; TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); @@ -2539,9 +2772,10 @@ static bool trans_viota_m(DisasContext *s, arg_viota_m *a) /* Vector Element Index Instruction */ static bool trans_vid_v(DisasContext *s, arg_vid_v *a) { - if (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_overlap_mask(s, a->rd, a->vm, false)) { + if (require_rvv(s) && + vext_check_isa_ill(s) && + require_align(a->rd, s->flmul) && + require_vm(a->vm, a->rd)) { uint32_t data = 0; TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); @@ -2791,41 +3025,48 @@ static bool trans_vfmv_s_f(DisasContext *s, arg_vfmv_s_f *a) /* Vector Slide Instructions */ static bool slideup_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - (a->rd != a->rs2)); + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_slide(s, a->rd, a->rs2, a->vm, true); } GEN_OPIVX_TRANS(vslideup_vx, slideup_check) GEN_OPIVX_TRANS(vslide1up_vx, slideup_check) GEN_OPIVI_TRANS(vslideup_vi, 1, vslideup_vx, slideup_check) -GEN_OPIVX_TRANS(vslidedown_vx, opivx_check) -GEN_OPIVX_TRANS(vslide1down_vx, opivx_check) -GEN_OPIVI_TRANS(vslidedown_vi, 1, vslidedown_vx, opivx_check) +static bool slidedown_check(DisasContext *s, arg_rmrr *a) +{ + return require_rvv(s) && + vext_check_isa_ill(s) && + vext_check_slide(s, a->rd, a->rs2, a->vm, false); +} + +GEN_OPIVX_TRANS(vslidedown_vx, slidedown_check) +GEN_OPIVX_TRANS(vslide1down_vx, slidedown_check) +GEN_OPIVI_TRANS(vslidedown_vi, 1, vslidedown_vx, slidedown_check) /* Vector Register Gather Instruction */ static bool vrgather_vv_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs1, false) && - vext_check_reg(s, a->rs2, false) && - (a->rd != a->rs2) && (a->rd != a->rs1)); + return require_rvv(s) && + vext_check_isa_ill(s) && + require_align(a->rd, s->flmul) && + require_align(a->rs1, s->flmul) && + require_align(a->rs2, s->flmul) && + (a->rd != a->rs2 && a->rd != a->rs1) && + require_vm(a->vm, a->rd); } GEN_OPIVV_TRANS(vrgather_vv, vrgather_vv_check) static bool vrgather_vx_check(DisasContext *s, arg_rmrr *a) { - return (vext_check_isa_ill(s) && - vext_check_overlap_mask(s, a->rd, a->vm, true) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - (a->rd != a->rs2)); + return require_rvv(s) && + vext_check_isa_ill(s) && + require_align(a->rd, s->flmul) && + require_align(a->rs2, s->flmul) && + (a->rd != a->rs2) && + require_vm(a->vm, a->rd); } /* vrgather.vx vd, vs2, rs1, vm # vd[i] = (x[rs1] >= VLMAX) ? 0 : vs2[rs1] */ @@ -2889,11 +3130,12 @@ static bool trans_vrgather_vi(DisasContext *s, arg_rmrr *a) /* Vector Compress Instruction */ static bool vcompress_vm_check(DisasContext *s, arg_r *a) { - return (vext_check_isa_ill(s) && - vext_check_reg(s, a->rd, false) && - vext_check_reg(s, a->rs2, false) && - vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs1, 1) && - (a->rd != a->rs2)); + return require_rvv(s) && + vext_check_isa_ill(s) && + require_align(a->rd, s->flmul) && + require_align(a->rs2, s->flmul) && + (a->rd != a->rs2) && + require_noover(a->rd, s->flmul, a->rs1, 1); } static bool trans_vcompress_vm(DisasContext *s, arg_r *a)