From: frank.chang@sifive.com
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Frank Chang <frank.chang@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Richard Henderson <richard.henderson@linaro.org>,
Bin Meng <bin.meng@windriver.com>,
Alistair Francis <alistair.francis@wdc.com>
Subject: [PATCH v8 15/78] target/riscv: rvv-1.0: update check functions
Date: Fri, 15 Oct 2021 15:45:16 +0800 [thread overview]
Message-ID: <20211015074627.3957162-16-frank.chang@sifive.com> (raw)
In-Reply-To: <20211015074627.3957162-1-frank.chang@sifive.com>
From: Frank Chang <frank.chang@sifive.com>
Update check functions with RVV 1.0 rules.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/insn_trans/trans_rvv.c.inc | 715 +++++++++++++++++-------
1 file changed, 507 insertions(+), 208 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index ddf20f02dfa..a03cc8e0781 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -19,11 +19,112 @@
#include "tcg/tcg-gvec-desc.h"
#include "internals.h"
+static inline bool is_overlapped(const int8_t astart, int8_t asize,
+ const int8_t bstart, int8_t bsize)
+{
+ const int8_t aend = astart + asize;
+ const int8_t bend = bstart + bsize;
+
+ return MAX(aend, bend) - MIN(astart, bstart) < asize + bsize;
+}
+
+static bool require_rvv(DisasContext *s)
+{
+ return s->mstatus_vs != 0;
+}
+
+static bool require_rvf(DisasContext *s)
+{
+ if (s->mstatus_fs == 0) {
+ return false;
+ }
+
+ switch (s->sew) {
+ case MO_16:
+ case MO_32:
+ return has_ext(s, RVF);
+ case MO_64:
+ return has_ext(s, RVD);
+ default:
+ return false;
+ }
+}
+
+static bool require_scale_rvf(DisasContext *s)
+{
+ if (s->mstatus_fs == 0) {
+ return false;
+ }
+
+ switch (s->sew) {
+ case MO_8:
+ case MO_16:
+ return has_ext(s, RVF);
+ case MO_32:
+ return has_ext(s, RVD);
+ default:
+ return false;
+ }
+}
+
+/* Destination vector register group cannot overlap source mask register. */
+static bool require_vm(int vm, int vd)
+{
+ return (vm != 0 || vd != 0);
+}
+
+/*
+ * Vector register should aligned with the passed-in LMUL (EMUL).
+ * If LMUL < 0, i.e. fractional LMUL, any vector register is allowed.
+ */
+static bool require_align(const int8_t val, const int8_t lmul)
+{
+ return lmul <= 0 || extract32(val, 0, lmul) == 0;
+}
+
+/*
+ * A destination vector register group can overlap a source vector
+ * register group only if one of the following holds:
+ * 1. The destination EEW equals the source EEW.
+ * 2. The destination EEW is smaller than the source EEW and the overlap
+ * is in the lowest-numbered part of the source register group.
+ * 3. The destination EEW is greater than the source EEW, the source EMUL
+ * is at least 1, and the overlap is in the highest-numbered part of
+ * the destination register group.
+ * (Section 5.2)
+ *
+ * This function returns true if one of the following holds:
+ * * Destination vector register group does not overlap a source vector
+ * register group.
+ * * Rule 3 met.
+ * For rule 1, overlap is allowed so this function doesn't need to be called.
+ * For rule 2, (vd == vs). Caller has to check whether: (vd != vs) before
+ * calling this function.
+ */
+static bool require_noover(const int8_t dst, const int8_t dst_lmul,
+ const int8_t src, const int8_t src_lmul)
+{
+ int8_t dst_size = dst_lmul <= 0 ? 1 : 1 << dst_lmul;
+ int8_t src_size = src_lmul <= 0 ? 1 : 1 << src_lmul;
+
+ /* Destination EEW is greater than the source EEW, check rule 3. */
+ if (dst_size > src_size) {
+ if (dst < src &&
+ src_lmul >= 0 &&
+ is_overlapped(dst, dst_size, src, src_size) &&
+ !is_overlapped(dst, dst_size, src + src_size, src_size)) {
+ return true;
+ }
+ }
+
+ return !is_overlapped(dst, dst_size, src, src_size);
+}
+
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;
}
@@ -51,7 +152,7 @@ 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;
}
@@ -82,6 +183,237 @@ static uint32_t vreg_ofs(DisasContext *s, int reg)
/* check functions */
+static bool vext_check_ss(DisasContext *s, int vd, int vs, int vm)
+{
+ return require_vm(vm, vd) &&
+ require_align(vd, s->lmul) &&
+ require_align(vs, s->lmul);
+}
+
+/*
+ * Check function for vector instruction with format:
+ * single-width result and single-width sources (SEW = SEW op SEW)
+ *
+ * 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 3.4.2)
+ * 3. Source (vs2, vs1) vector register number are multiples of LMUL.
+ * (Section 3.4.2)
+ */
+static bool vext_check_sss(DisasContext *s, int vd, int vs1, int vs2, int vm)
+{
+ return vext_check_ss(s, vd, vs2, vm) &&
+ require_align(vs1, s->lmul);
+}
+
+static bool vext_check_ms(DisasContext *s, int vd, int vs)
+{
+ bool ret = require_align(vs, s->lmul);
+ if (vd != vs) {
+ ret &= require_noover(vd, 0, vs, s->lmul);
+ }
+ return ret;
+}
+
+/*
+ * Check function for maskable vector instruction with format:
+ * single-width result and single-width sources (SEW = SEW op SEW)
+ *
+ * Rules to be checked here:
+ * 1. Source (vs2, vs1) vector register number are multiples of LMUL.
+ * (Section 3.4.2)
+ * 2. Destination vector register cannot overlap a source vector
+ * register (vs2, vs1) group.
+ * (Section 5.2)
+ * 3. The destination vector register group for a masked vector
+ * instruction cannot overlap the source mask register (v0),
+ * unless the destination vector register is being written
+ * with a mask value (e.g., comparisons) or the scalar result
+ * of a reduction. (Section 5.3)
+ */
+static bool vext_check_mss(DisasContext *s, int vd, int vs1, int vs2)
+{
+ bool ret = vext_check_ms(s, vd, vs2) &&
+ require_align(vs1, s->lmul);
+ if (vd != vs1) {
+ ret &= require_noover(vd, 0, vs1, s->lmul);
+ }
+ return ret;
+}
+
+/*
+ * 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 3.4.2)
+ * 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->lmul <= 2) &&
+ (s->sew < MO_64) &&
+ require_align(vd, s->lmul + 1) &&
+ require_vm(vm, vd);
+}
+
+/*
+ * 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 3.4.2)
+ * 3. Destination vector register number is multiples of LMUL.
+ * (Section 3.4.2)
+ * 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->lmul <= 2) &&
+ (s->sew < MO_64) &&
+ require_align(vs2, s->lmul + 1) &&
+ require_align(vd, s->lmul) &&
+ require_vm(vm, vd);
+}
+
+static bool vext_check_ds(DisasContext *s, int vd, int vs, int vm)
+{
+ return vext_wide_check_common(s, vd, vm) &&
+ require_align(vs, s->lmul) &&
+ require_noover(vd, s->lmul + 1, vs, s->lmul);
+}
+
+static bool vext_check_dd(DisasContext *s, int vd, int vs, int vm)
+{
+ return vext_wide_check_common(s, vd, vm) &&
+ require_align(vs, s->lmul + 1);
+}
+
+/*
+ * Check function for vector instruction with format:
+ * double-width result and single-width sources (2*SEW = SEW op SEW)
+ *
+ * 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 3.4.2)
+ * 3. Destination vector register cannot overlap a source vector
+ * register (vs2, vs1) group.
+ * (Section 5.2)
+ */
+static bool vext_check_dss(DisasContext *s, int vd, int vs1, int vs2, int vm)
+{
+ return vext_check_ds(s, vd, vs2, vm) &&
+ require_align(vs1, s->lmul) &&
+ require_noover(vd, s->lmul + 1, vs1, s->lmul);
+}
+
+/*
+ * Check function for vector instruction with format:
+ * double-width result and double-width source1 and single-width
+ * source2 (2*SEW = 2*SEW op SEW)
+ *
+ * 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 3.4.2)
+ * 3. Source 2 (vs1) vector register number is multiples of LMUL.
+ * (Section 3.4.2)
+ * 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)
+{
+ return vext_check_ds(s, vd, vs1, vm) &&
+ require_align(vs2, s->lmul + 1);
+}
+
+static bool vext_check_sd(DisasContext *s, int vd, int vs, int vm)
+{
+ bool ret = vext_narrow_check_common(s, vd, vs, vm);
+ if (vd != vs) {
+ ret &= require_noover(vd, s->lmul, vs, s->lmul + 1);
+ }
+ 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)
+ *
+ * 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 3.4.2)
+ */
+static bool vext_check_sds(DisasContext *s, int vd, int vs1, int vs2, int vm)
+{
+ return vext_check_sd(s, vd, vs2, vm) &&
+ require_align(vs1, s->lmul);
+}
+
+/*
+ * Check function for vector reduction instructions.
+ *
+ * Rules to be checked here:
+ * 1. Source 1 (vs2) vector register number is multiples of LMUL.
+ * (Section 3.4.2)
+ */
+static bool vext_check_reduction(DisasContext *s, int vs2)
+{
+ return require_align(vs2, s->lmul);
+}
+
+/*
+ * Check function for vector slide instructions.
+ *
+ * Rules to be checked here:
+ * 1. Source 1 (vs2) vector register number is multiples of LMUL.
+ * (Section 3.4.2)
+ * 2. Destination vector register number is multiples of LMUL.
+ * (Section 3.4.2)
+ * 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, 16.3.1, 16.3.3)
+ */
+static bool vext_check_slide(DisasContext *s, int vd, int vs2,
+ int vm, bool is_over)
+{
+ bool ret = require_align(vs2, s->lmul) &&
+ require_align(vd, s->lmul) &&
+ 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.
@@ -139,6 +471,7 @@ static inline bool vext_check_overlap_group(int rd, int dlen, int rs, int slen)
{
return ((rd >= rs + slen) || (rs >= rd + dlen));
}
+
/* common translation macro */
#define GEN_VEXT_TRANS(NAME, SEQ, ARGTYPE, OP, CHECK) \
static bool trans_##NAME(DisasContext *s, arg_##ARGTYPE *a)\
@@ -784,11 +1117,9 @@ GEN_VEXT_TRANS(vamomaxud_v, 17, rwdvm, amo_op, amo_check64)
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);
}
typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
@@ -876,10 +1207,9 @@ 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_ss(s, a->rd, a->rs2, a->vm);
}
typedef void GVecGen2sFn(unsigned, uint32_t, uint32_t, TCGv_i64,
@@ -1070,16 +1400,9 @@ 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);
}
static bool do_opivv_widen(DisasContext *s, arg_rmrr *a,
@@ -1124,13 +1447,9 @@ 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_ds(s, a->rd, a->rs2, a->vm);
}
static bool do_opivx_widen(DisasContext *s, arg_rmrr *a,
@@ -1161,14 +1480,9 @@ 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);
}
static bool do_opiwv_widen(DisasContext *s, arg_rmrr *a,
@@ -1211,11 +1525,9 @@ 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_dd(s, a->rd, a->rs2, a->vm);
}
static bool do_opiwx_widen(DisasContext *s, arg_rmrr *a,
@@ -1277,11 +1589,10 @@ 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);
}
GEN_OPIVV_TRANS(vadc_vvm, opivv_vadc_check)
@@ -1293,11 +1604,9 @@ 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);
}
GEN_OPIVV_TRANS(vmadc_vvm, opivv_vmadc_check)
@@ -1305,10 +1614,10 @@ 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_ss(s, a->rd, a->rs2, a->vm);
}
/* OPIVX without GVEC IR */
@@ -1331,9 +1640,9 @@ 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_ms(s, a->rd, a->rs2);
}
GEN_OPIVX_TRANS(vmadc_vxm, opivx_vmadc_check)
@@ -1421,14 +1730,9 @@ 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);
}
/* OPIVV with NARROW */
@@ -1463,13 +1767,9 @@ 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_sd(s, a->rd, a->rs2, a->vm);
}
/* OPIVX with NARROW */
@@ -1517,13 +1817,11 @@ 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);
}
+
GEN_OPIVV_TRANS(vmseq_vv, opivv_cmp_check)
GEN_OPIVV_TRANS(vmsne_vv, opivv_cmp_check)
GEN_OPIVV_TRANS(vmsltu_vv, opivv_cmp_check)
@@ -1533,10 +1831,9 @@ 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_ms(s, a->rd, a->rs2);
}
GEN_OPIVX_TRANS(vmseq_vx, opivx_cmp_check)
@@ -1615,10 +1912,10 @@ 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)) {
if (s->vl_eq_vlmax) {
tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd),
vreg_ofs(s, a->rs1),
@@ -1645,9 +1942,10 @@ 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_ss(s, a->rd, 0, 1)) {
TCGv s1;
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
@@ -1685,9 +1983,10 @@ 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_ss(s, a->rd, 0, 1)) {
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),
@@ -1787,12 +2086,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm);
}
/* OPFVV without GVEC IR */
@@ -1857,17 +2154,16 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_ss(s, a->rd, a->rs2, a->vm);
}
/* OPFVF without GVEC IR */
@@ -1897,16 +2193,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm);
}
/* OPFVV with WIDEN */
@@ -1941,13 +2231,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_ds(s, a->rd, a->rs2, a->vm);
}
/* OPFVF with WIDEN */
@@ -1973,14 +2260,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm);
}
/* WIDEN OPFVV with WIDEN */
@@ -2015,11 +2298,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_dd(s, a->rd, a->rs2, a->vm);
}
/* WIDEN OPFVF with WIDEN */
@@ -2090,11 +2372,11 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ /* OPFV instructions ignore vs1 check */
+ vext_check_ss(s, a->rd, a->rs2, a->vm);
}
#define GEN_OPFV_TRANS(NAME, CHECK) \
@@ -2143,13 +2425,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_mss(s, a->rd, a->rs1, a->rs2);
}
GEN_OPFVV_TRANS(vmfeq_vv, opfvv_cmp_check)
@@ -2160,11 +2439,10 @@ 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) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ vext_check_ms(s, a->rd, a->rs2);
}
GEN_OPFVF_TRANS(vmfeq_vf, opfvf_cmp_check)
@@ -2183,10 +2461,10 @@ 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) &&
- (s->sew != 0)) {
-
+ if (require_rvv(s) &&
+ require_rvf(s) &&
+ vext_check_isa_ill(s) &&
+ require_align(a->rd, s->lmul)) {
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]);
@@ -2231,13 +2509,11 @@ 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) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8) &&
+ vext_check_isa_ill(s) &&
+ vext_check_ds(s, a->rd, a->rs2, a->vm);
}
#define GEN_OPFV_WIDEN_TRANS(NAME) \
@@ -2280,13 +2556,12 @@ 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) &&
+ require_rvf(s) &&
+ (s->sew != MO_64) &&
+ vext_check_isa_ill(s) &&
+ /* OPFV narrowing instructions ignore vs1 check */
+ vext_check_sd(s, a->rd, a->rs2, a->vm);
}
#define GEN_OPFV_NARROW_TRANS(NAME) \
@@ -2327,7 +2602,9 @@ 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);
}
GEN_OPIVV_TRANS(vredsum_vs, reduction_check)
@@ -2340,8 +2617,13 @@ 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 reduction_check(s, a) && (s->sew < MO_64);
+}
+
+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)
@@ -2389,7 +2671,8 @@ 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;
@@ -2418,7 +2701,8 @@ 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;
@@ -2476,10 +2760,11 @@ 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->lmul, a->rs2, 0) &&
+ require_vm(a->vm, a->rd) &&
+ require_align(a->rd, s->lmul)) {
uint32_t data = 0;
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
@@ -2503,9 +2788,10 @@ 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->lmul) &&
+ 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);
@@ -2754,41 +3040,48 @@ 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->lmul) &&
+ require_align(a->rs1, s->lmul) &&
+ require_align(a->rs2, s->lmul) &&
+ (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->lmul) &&
+ require_align(a->rs2, s->lmul) &&
+ (a->rd != a->rs2) &&
+ require_vm(a->vm, a->rd);
}
/* vrgather.vx vd, vs2, rs1, vm # vd[i] = (x[rs1] >= VLMAX) ? 0 : vs2[rs1] */
@@ -2849,14 +3142,20 @@ static bool trans_vrgather_vi(DisasContext *s, arg_rmrr *a)
return true;
}
-/* Vector Compress Instruction */
+/*
+ * Vector Compress Instruction
+ *
+ * The destination vector register group cannot overlap the
+ * source vector register group or the source mask register.
+ */
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->lmul) &&
+ require_align(a->rs2, s->lmul) &&
+ (a->rd != a->rs2) &&
+ !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs1, 1);
}
static bool trans_vcompress_vm(DisasContext *s, arg_r *a)
--
2.25.1
next prev parent reply other threads:[~2021-10-15 7:54 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 7:45 [PATCH v8 00/78] support vector extension v1.0 frank.chang
2021-10-15 7:45 ` [PATCH v8 01/78] target/riscv: fix TB_FLAGS bits overlapping bug for rvv/rvh frank.chang
2021-10-16 3:04 ` Richard Henderson
2021-10-17 22:55 ` Alistair Francis
2021-10-18 5:38 ` Richard Henderson
2021-10-18 6:01 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 02/78] target/riscv: drop vector 0.7.1 and add 1.0 support frank.chang
2021-10-15 7:45 ` [PATCH v8 03/78] target/riscv: Use FIELD_EX32() to extract wd field frank.chang
2021-10-15 7:45 ` [PATCH v8 04/78] target/riscv: rvv-1.0: add mstatus VS field frank.chang
2021-10-15 7:45 ` [PATCH v8 05/78] target/riscv: rvv-1.0: add sstatus " frank.chang
2021-10-15 7:45 ` [PATCH v8 06/78] target/riscv: rvv-1.0: introduce writable misa.v field frank.chang
2021-10-15 7:45 ` [PATCH v8 07/78] target/riscv: rvv-1.0: add translation-time vector context status frank.chang
2021-10-15 7:45 ` [PATCH v8 08/78] target/riscv: rvv-1.0: remove rvv related codes from fcsr registers frank.chang
2021-10-15 7:45 ` [PATCH v8 09/78] target/riscv: rvv-1.0: add vcsr register frank.chang
2021-10-15 7:45 ` [PATCH v8 10/78] target/riscv: rvv-1.0: add vlenb register frank.chang
2021-10-15 7:45 ` [PATCH v8 11/78] target/riscv: rvv-1.0: check MSTATUS_VS when accessing vector csr registers frank.chang
2021-10-15 7:45 ` [PATCH v8 12/78] target/riscv: rvv-1.0: remove MLEN calculations frank.chang
2021-10-15 7:45 ` [PATCH v8 13/78] target/riscv: rvv-1.0: add fractional LMUL frank.chang
2021-10-15 7:45 ` [PATCH v8 14/78] target/riscv: rvv-1.0: add VMA and VTA frank.chang
2021-10-15 7:45 ` frank.chang [this message]
2021-10-15 7:45 ` [PATCH v8 16/78] target/riscv: introduce more imm value modes in translator functions frank.chang
2021-10-15 7:45 ` [PATCH v8 17/78] target/riscv: rvv:1.0: add translation-time nan-box helper function frank.chang
2021-10-15 7:45 ` [PATCH 18/76] target/riscv: rvv-1.0: configure instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 18/78] target/riscv: rvv-1.0: remove amo operations instructions frank.chang
2021-10-18 5:44 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 19/78] target/riscv: rvv-1.0: configure instructions frank.chang
2021-10-15 7:45 ` [PATCH 19/76] target/riscv: rvv-1.0: stride load and store instructions frank.chang
2021-10-15 7:45 ` [PATCH 20/76] target/riscv: rvv-1.0: index " frank.chang
2021-10-15 7:45 ` [PATCH v8 20/78] target/riscv: rvv-1.0: stride " frank.chang
2021-10-15 7:45 ` [PATCH 21/76] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns frank.chang
2021-10-15 7:45 ` [PATCH v8 21/78] target/riscv: rvv-1.0: index load and store instructions frank.chang
2021-10-15 7:45 ` [PATCH 22/76] target/riscv: rvv-1.0: fault-only-first unit stride load frank.chang
2021-10-15 7:45 ` [PATCH v8 22/78] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns frank.chang
2021-10-15 7:45 ` [PATCH 23/76] target/riscv: rvv-1.0: amo operations frank.chang
2021-10-15 7:45 ` [PATCH v8 23/78] target/riscv: rvv-1.0: fault-only-first unit stride load frank.chang
2021-10-15 7:45 ` [PATCH v8 24/78] target/riscv: rvv-1.0: load/store whole register instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 25/78] target/riscv: rvv-1.0: update vext_max_elems() for load/store insns frank.chang
2021-10-15 7:45 ` [PATCH v8 26/78] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation frank.chang
2021-10-15 7:45 ` [PATCH v8 27/78] target/riscv: rvv-1.0: floating-point square-root instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 28/78] target/riscv: rvv-1.0: floating-point classify instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 29/78] target/riscv: rvv-1.0: count population in mask instruction frank.chang
2021-10-18 5:46 ` Alistair Francis
2021-10-15 7:45 ` [PATCH 29/76] target/riscv: rvv-1.0: mask population count instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 30/78] target/riscv: rvv-1.0: find-first-set mask bit instruction frank.chang
2021-10-18 5:47 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 31/78] target/riscv: rvv-1.0: set-X-first mask bit instructions frank.chang
2021-10-18 5:53 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 32/78] target/riscv: rvv-1.0: iota instruction frank.chang
2021-10-18 5:49 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 33/78] target/riscv: rvv-1.0: element index instruction frank.chang
2021-10-18 5:54 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 34/78] target/riscv: rvv-1.0: allow load element with sign-extended frank.chang
2021-10-21 4:28 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 35/78] target/riscv: rvv-1.0: register gather instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 36/78] target/riscv: rvv-1.0: integer scalar move instructions frank.chang
2021-10-21 4:24 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 37/78] target/riscv: rvv-1.0: floating-point move instruction frank.chang
2021-10-15 7:45 ` [PATCH v8 38/78] target/riscv: rvv-1.0: floating-point scalar move instructions frank.chang
2021-10-21 4:26 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 39/78] target/riscv: rvv-1.0: whole register " frank.chang
2021-10-21 4:27 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 40/78] target/riscv: rvv-1.0: integer extension instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 41/78] target/riscv: rvv-1.0: single-width averaging add and subtract instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 42/78] target/riscv: rvv-1.0: single-width bit shift instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 43/78] target/riscv: rvv-1.0: integer add-with-carry/subtract-with-borrow frank.chang
2021-10-25 6:08 ` Alistair Francis
2021-10-15 7:45 ` [PATCH v8 44/78] target/riscv: rvv-1.0: narrowing integer right shift instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 45/78] target/riscv: rvv-1.0: widening integer multiply-add instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 46/78] target/riscv: rvv-1.0: single-width saturating add and subtract instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 47/78] target/riscv: rvv-1.0: integer comparison instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 48/78] target/riscv: rvv-1.0: floating-point compare instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 49/78] target/riscv: rvv-1.0: mask-register logical instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 50/78] target/riscv: rvv-1.0: slide instructions frank.chang
2021-10-15 7:45 ` [PATCH v8 51/78] target/riscv: rvv-1.0: floating-point " frank.chang
2021-10-25 6:13 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 52/78] target/riscv: rvv-1.0: narrowing fixed-point clip instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 53/78] target/riscv: rvv-1.0: single-width floating-point reduction frank.chang
2021-10-15 7:46 ` [PATCH v8 54/78] target/riscv: rvv-1.0: widening floating-point reduction instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 55/78] target/riscv: rvv-1.0: single-width scaling shift instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 56/78] target/riscv: rvv-1.0: remove widening saturating scaled multiply-add frank.chang
2021-10-15 7:46 ` [PATCH v8 57/78] target/riscv: rvv-1.0: remove vmford.vv and vmford.vf frank.chang
2021-10-15 7:46 ` [PATCH v8 58/78] target/riscv: rvv-1.0: remove integer extract instruction frank.chang
2021-10-15 7:46 ` [PATCH v8 59/78] target/riscv: rvv-1.0: floating-point min/max instructions frank.chang
2021-10-15 7:46 ` [PATCH v8 60/78] target/riscv: introduce floating-point rounding mode enum frank.chang
2021-10-15 7:46 ` [PATCH v8 61/78] target/riscv: rvv-1.0: floating-point/integer type-convert instructions frank.chang
2021-10-25 6:16 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 62/78] target/riscv: rvv-1.0: widening floating-point/integer type-convert frank.chang
2021-10-26 6:29 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 63/78] target/riscv: add "set round to odd" rounding mode helper function frank.chang
2021-10-26 6:30 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 64/78] target/riscv: rvv-1.0: narrowing floating-point/integer type-convert frank.chang
2021-10-26 6:32 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 65/78] target/riscv: rvv-1.0: relax RV_VLEN_MAX to 1024-bits frank.chang
2021-10-25 6:43 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 66/78] target/riscv: rvv-1.0: implement vstart CSR frank.chang
2021-10-15 7:46 ` [PATCH v8 67/78] target/riscv: rvv-1.0: trigger illegal instruction exception if frm is not valid frank.chang
2021-10-15 7:46 ` [PATCH v8 68/78] target/riscv: rvv-1.0: set mstatus.SD bit when writing vector CSRs frank.chang
2021-10-15 7:46 ` [PATCH v8 69/78] target/riscv: gdb: support vector registers for rv64 & rv32 frank.chang
2021-10-15 7:46 ` [PATCH v8 70/78] target/riscv: rvv-1.0: floating-point reciprocal square-root estimate instruction frank.chang
2021-10-15 7:46 ` [PATCH v8 71/78] target/riscv: rvv-1.0: floating-point reciprocal " frank.chang
2021-10-15 7:46 ` [PATCH v8 72/78] target/riscv: set mstatus.SD bit when writing fp CSRs frank.chang
2021-10-25 6:42 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 73/78] target/riscv: rvv-1.0: rename r2_zimm to r2_zimm11 frank.chang
2021-10-26 6:50 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 74/78] target/riscv: rvv-1.0: add vsetivli instruction frank.chang
2021-10-26 6:52 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 75/78] target/riscv: rvv-1.0: add evl parameter to vext_ldst_us() frank.chang
2021-10-15 7:46 ` [PATCH v8 76/78] target/riscv: rvv-1.0: add vector unit-stride mask load/store insns frank.chang
2021-10-15 7:46 ` [PATCH v8 77/78] target/riscv: rvv-1.0: rename vmandnot.mm and vmornot.mm to vmandn.mm and vmorn.mm frank.chang
2021-10-26 6:55 ` Alistair Francis
2021-10-15 7:46 ` [PATCH v8 78/78] target/riscv: rvv-1.0: update opivv_vadc_check() comment frank.chang
2021-10-26 6:49 ` Alistair Francis
2021-10-15 9:02 ` [PATCH v8 00/78] support vector extension v1.0 Frank Chang
2021-10-18 6:00 ` Alistair Francis
2021-10-18 6:09 ` Frank Chang
2021-10-18 6:12 ` Alistair Francis
2021-10-18 6:17 ` Frank Chang
2021-10-18 9:01 ` LIU Zhiwei
2021-10-18 9:34 ` LIU Zhiwei
2021-10-20 5:28 ` Alistair Francis
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