@@ -19,11 +19,124 @@
#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);
+}
+
+static bool require_nf(int vd, int nf, int lmul)
+{
+ int size = nf << MAX(lmul, 0);
+ return size <= 8 && vd + size <= 32;
+}
+
+/*
+ * 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 require_noover_seg(const int8_t dst, const int8_t nf,
+ const int8_t src)
+{
+ return !is_overlapped(dst, nf, src, 1);
+}
+
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 +169,7 @@ 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;
}
@@ -99,54 +212,248 @@ static bool vext_check_isa_ill(DisasContext *s)
return !s->vill;
}
+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);
+}
+
/*
- * 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)
{
- /*
- * 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;
+ return vext_check_ss(s, vd, vs2, vm) &&
+ require_align(vs1, s->lmul);
+}
- return !((s->lmul == 0x3 && widen) || (reg % legal));
+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;
}
/*
- * There are two rules check here.
+ * 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 3.3.2)
+ * 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).
*
- * 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)
+ * 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->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).
*
- * 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. 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_check_overlap_mask(DisasContext *s, uint32_t vd, bool vm,
- bool force)
+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 (vm != 0 || vd != 0) || (!force && (s->lmul == 0));
+ return vext_wide_check_common(s, vd, vm) &&
+ require_align(vs, s->lmul) &&
+ require_noover(vd, s->lmul + 1, vs, s->lmul);
}
-/* The LMUL setting must be such that LMUL * NFIELDS <= 8. (Section 7.8) */
-static bool vext_check_nf(DisasContext *s, uint32_t nf)
+static bool vext_check_dd(DisasContext *s, int vd, int vs, int vm)
{
- return (1 << s->lmul) * nf <= 8;
+ return vext_wide_check_common(s, vd, vm) &&
+ require_align(vs, s->lmul + 1);
}
/*
- * The destination vector register group cannot overlap a source vector register
- * group of a different element width. (Section 11.2)
+ * 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 3.3.2)
+ * 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 3.3.2)
+ * 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 inline bool vext_check_overlap_group(int rd, int dlen, int rs, int slen)
+static bool vext_check_dds(DisasContext *s, int vd, int vs1, int vs2, int vm)
{
- return ((rd >= rs + slen) || (rs >= rd + dlen));
+ 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 3.3.2)
+ */
+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 3.3.2)
+ */
+static bool vext_check_reduction(DisasContext *s, int vs2)
+{
+ return require_align(vs2, s->lmul) && (s->vstart == 0);
+}
+
+/*
+ * 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->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.
+ */
+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)\
@@ -802,11 +1109,9 @@ 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);
}
typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
@@ -897,10 +1202,9 @@ 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,
@@ -1097,16 +1401,9 @@ 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,
@@ -1151,13 +1448,9 @@ 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,
@@ -1188,14 +1481,9 @@ 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,
@@ -1238,11 +1526,9 @@ 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,
@@ -1303,11 +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)
@@ -1319,11 +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)
@@ -1331,10 +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 */
@@ -1357,9 +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)
@@ -1450,14 +1733,9 @@ 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 */
@@ -1491,13 +1769,9 @@ 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 */
@@ -1545,13 +1819,11 @@ 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)
@@ -1561,10 +1833,9 @@ 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)
@@ -1643,10 +1914,10 @@ 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),
@@ -1673,9 +1944,10 @@ 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);
@@ -1716,9 +1988,10 @@ 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),
@@ -1820,12 +2093,10 @@ 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 */
@@ -1890,17 +2161,17 @@ 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) &&
+ require_rvf(s) &&
+ has_ext(s, RVF) &&
+ vext_check_isa_ill(s) &&
+ vext_check_ss(s, a->rd, a->rs2, a->vm);
}
/* OPFVF without GVEC IR */
@@ -1930,16 +2201,10 @@ 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 */
@@ -1973,13 +2238,10 @@ 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 */
@@ -2005,14 +2267,10 @@ 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 */
@@ -2046,11 +2304,10 @@ 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 */
@@ -2121,11 +2378,11 @@ 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) \
@@ -2173,13 +2430,10 @@ 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)
@@ -2190,11 +2444,10 @@ 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)
@@ -2213,10 +2466,10 @@ 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]);
@@ -2262,13 +2515,11 @@ 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) \
@@ -2310,13 +2561,12 @@ 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) \
@@ -2356,7 +2606,9 @@ 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)
@@ -2369,8 +2621,13 @@ 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)
@@ -2418,7 +2675,8 @@ 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;
@@ -2449,7 +2707,8 @@ 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;
@@ -2508,10 +2767,11 @@ 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);
@@ -2535,9 +2795,10 @@ 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);
@@ -2787,41 +3048,48 @@ 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] */
@@ -2885,11 +3153,12 @@ 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->lmul) &&
+ require_align(a->rs2, s->lmul) &&
+ (a->rd != a->rs2) &&
+ require_noover(a->rd, s->lmul, a->rs1, 0);
}
static bool trans_vcompress_vm(DisasContext *s, arg_r *a)