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authorRichard Henderson <richard.henderson@linaro.org>2019-03-18 12:02:54 -0700
committerRichard Henderson <richard.henderson@linaro.org>2019-05-13 14:44:03 -0700
commit1e262b49b5331441f697461e4305fe06719758a7 (patch)
treee4e7b4eb22a705a191cd6984c0dd43903e010b28 /tcg
parentd6ecb4a978b718dbe108a9fa9ecccc8b7f7cb579 (diff)
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tcg/i386: Implement tcg_out_dupm_vec
At the same time, improve tcg_out_dupi_vec wrt broadcast from the constant pool. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/i386/tcg-target.inc.c57
1 files changed, 43 insertions, 14 deletions
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index f04933b..f4bd00e 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -358,7 +358,6 @@ static inline int tcg_target_const_match(tcg_target_long val, TCGType type,
#define OPC_MOVBE_MyGy (0xf1 | P_EXT38)
#define OPC_MOVD_VyEy (0x6e | P_EXT | P_DATA16)
#define OPC_MOVD_EyVy (0x7e | P_EXT | P_DATA16)
-#define OPC_MOVDDUP (0x12 | P_EXT | P_SIMDF2)
#define OPC_MOVDQA_VxWx (0x6f | P_EXT | P_DATA16)
#define OPC_MOVDQA_WxVx (0x7f | P_EXT | P_DATA16)
#define OPC_MOVDQU_VxWx (0x6f | P_EXT | P_SIMDF3)
@@ -458,6 +457,10 @@ static inline int tcg_target_const_match(tcg_target_long val, TCGType type,
#define OPC_UD2 (0x0b | P_EXT)
#define OPC_VPBLENDD (0x02 | P_EXT3A | P_DATA16)
#define OPC_VPBLENDVB (0x4c | P_EXT3A | P_DATA16)
+#define OPC_VPINSRB (0x20 | P_EXT3A | P_DATA16)
+#define OPC_VPINSRW (0xc4 | P_EXT | P_DATA16)
+#define OPC_VBROADCASTSS (0x18 | P_EXT38 | P_DATA16)
+#define OPC_VBROADCASTSD (0x19 | P_EXT38 | P_DATA16)
#define OPC_VPBROADCASTB (0x78 | P_EXT38 | P_DATA16)
#define OPC_VPBROADCASTW (0x79 | P_EXT38 | P_DATA16)
#define OPC_VPBROADCASTD (0x58 | P_EXT38 | P_DATA16)
@@ -855,16 +858,17 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
return true;
}
+static const int avx2_dup_insn[4] = {
+ OPC_VPBROADCASTB, OPC_VPBROADCASTW,
+ OPC_VPBROADCASTD, OPC_VPBROADCASTQ,
+};
+
static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg r, TCGReg a)
{
if (have_avx2) {
- static const int dup_insn[4] = {
- OPC_VPBROADCASTB, OPC_VPBROADCASTW,
- OPC_VPBROADCASTD, OPC_VPBROADCASTQ,
- };
int vex_l = (type == TCG_TYPE_V256 ? P_VEXL : 0);
- tcg_out_vex_modrm(s, dup_insn[vece] + vex_l, r, 0, a);
+ tcg_out_vex_modrm(s, avx2_dup_insn[vece] + vex_l, r, 0, a);
} else {
switch (vece) {
case MO_8:
@@ -894,10 +898,35 @@ static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg r, TCGReg base, intptr_t offset)
{
- return false;
+ if (have_avx2) {
+ int vex_l = (type == TCG_TYPE_V256 ? P_VEXL : 0);
+ tcg_out_vex_modrm_offset(s, avx2_dup_insn[vece] + vex_l,
+ r, 0, base, offset);
+ } else {
+ switch (vece) {
+ case MO_64:
+ tcg_out_vex_modrm_offset(s, OPC_VBROADCASTSD, r, 0, base, offset);
+ break;
+ case MO_32:
+ tcg_out_vex_modrm_offset(s, OPC_VBROADCASTSS, r, 0, base, offset);
+ break;
+ case MO_16:
+ tcg_out_vex_modrm_offset(s, OPC_VPINSRW, r, r, base, offset);
+ tcg_out8(s, 0); /* imm8 */
+ tcg_out_dup_vec(s, type, vece, r, r);
+ break;
+ case MO_8:
+ tcg_out_vex_modrm_offset(s, OPC_VPINSRB, r, r, base, offset);
+ tcg_out8(s, 0); /* imm8 */
+ tcg_out_dup_vec(s, type, vece, r, r);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ }
+ return true;
}
-
static void tcg_out_dupi_vec(TCGContext *s, TCGType type,
TCGReg ret, tcg_target_long arg)
{
@@ -918,16 +947,16 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type,
} else if (have_avx2) {
tcg_out_vex_modrm_pool(s, OPC_VPBROADCASTQ + vex_l, ret);
} else {
- tcg_out_vex_modrm_pool(s, OPC_MOVDDUP, ret);
+ tcg_out_vex_modrm_pool(s, OPC_VBROADCASTSD, ret);
}
new_pool_label(s, arg, R_386_PC32, s->code_ptr - 4, -4);
- } else if (have_avx2) {
- tcg_out_vex_modrm_pool(s, OPC_VPBROADCASTD + vex_l, ret);
- new_pool_label(s, arg, R_386_32, s->code_ptr - 4, 0);
} else {
- tcg_out_vex_modrm_pool(s, OPC_MOVD_VyEy, ret);
+ if (have_avx2) {
+ tcg_out_vex_modrm_pool(s, OPC_VBROADCASTSD + vex_l, ret);
+ } else {
+ tcg_out_vex_modrm_pool(s, OPC_VBROADCASTSS, ret);
+ }
new_pool_label(s, arg, R_386_32, s->code_ptr - 4, 0);
- tcg_out_dup_vec(s, type, MO_32, ret, ret);
}
}