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[PATCH 18/20] tcg/i386: Implement avx512 multiply
From: |
Richard Henderson |
Subject: |
[PATCH 18/20] tcg/i386: Implement avx512 multiply |
Date: |
Sat, 18 Dec 2021 11:42:48 -0800 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/i386/tcg-target.c.inc | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 22eaa53cb1..f982b6e615 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -360,6 +360,7 @@ static bool tcg_target_const_match(int64_t val, TCGType
type, int ct)
#define OPC_PMOVZXDQ (0x35 | P_EXT38 | P_DATA16)
#define OPC_PMULLW (0xd5 | P_EXT | P_DATA16)
#define OPC_PMULLD (0x40 | P_EXT38 | P_DATA16)
+#define OPC_VPMULLQ (0x40 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
#define OPC_POR (0xeb | P_EXT | P_DATA16)
#define OPC_PSHUFB (0x00 | P_EXT38 | P_DATA16)
#define OPC_PSHUFD (0x70 | P_EXT | P_DATA16)
@@ -2729,7 +2730,7 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
OPC_PSUBUB, OPC_PSUBUW, OPC_UD2, OPC_UD2
};
static int const mul_insn[4] = {
- OPC_UD2, OPC_PMULLW, OPC_PMULLD, OPC_UD2
+ OPC_UD2, OPC_PMULLW, OPC_PMULLD, OPC_VPMULLQ
};
static int const shift_imm_insn[4] = {
OPC_UD2, OPC_PSHIFTW_Ib, OPC_PSHIFTD_Ib, OPC_PSHIFTQ_Ib
@@ -3362,12 +3363,11 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type,
unsigned vece)
return 0;
case INDEX_op_mul_vec:
- if (vece == MO_8) {
- /* We can expand the operation for MO_8. */
+ switch (vece) {
+ case MO_8:
return -1;
- }
- if (vece == MO_64) {
- return 0;
+ case MO_64:
+ return have_avx512dq;
}
return 1;
--
2.25.1
- [PATCH 08/20] tcg/i386: Implement avx512 variable shifts, (continued)
- [PATCH 08/20] tcg/i386: Implement avx512 variable shifts, Richard Henderson, 2021/12/18
- [PATCH 09/20] tcg/i386: Implement avx512 scalar shift, Richard Henderson, 2021/12/18
- [PATCH 11/20] tcg/i386: Implement avx512 immediate rotate, Richard Henderson, 2021/12/18
- [PATCH 13/20] tcg/i386: Support avx512vbmi2 vector shift-double instructions, Richard Henderson, 2021/12/18
- [PATCH 10/20] tcg/i386: Implement avx512 immediate sari shift, Richard Henderson, 2021/12/18
- [PATCH 12/20] tcg/i386: Implement avx512 variable rotate, Richard Henderson, 2021/12/18
- [PATCH 15/20] tcg/i386: Remove rotls_vec from tcg_target_op_def, Richard Henderson, 2021/12/18
- [PATCH 14/20] tcg/i386: Expand vector word rotate as avx512vbmi2 shift-double, Richard Henderson, 2021/12/18
- [PATCH 19/20] tcg/i386: Implement more logical operations for avx512, Richard Henderson, 2021/12/18
- [PATCH 17/20] tcg/i386: Implement avx512 min/max/abs, Richard Henderson, 2021/12/18
- [PATCH 18/20] tcg/i386: Implement avx512 multiply,
Richard Henderson <=
- [PATCH 20/20] tcg/i386: Implement bitsel for avx512, Richard Henderson, 2021/12/18
- [PATCH 16/20] tcg/i386: Expand scalar rotate with avx512 insns, Richard Henderson, 2021/12/18