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[PULL 19/30] tcg/i386: Implement avx512 multiply
From: |
Richard Henderson |
Subject: |
[PULL 19/30] tcg/i386: Implement avx512 multiply |
Date: |
Thu, 3 Mar 2022 10:59:33 -1000 |
AVX512DQ has VPMULLQ.
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
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 be94b82fd6..a800764d2f 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -361,6 +361,7 @@ 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)
@@ -2822,7 +2823,7 @@ 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
@@ -3456,12 +3457,11 @@ 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
- [PULL 21/30] tcg/i386: Implement bitsel for avx512, (continued)
- [PULL 21/30] tcg/i386: Implement bitsel for avx512, Richard Henderson, 2022/03/03
- [PULL 28/30] tcg/mips: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 26/30] linux-user: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 14/30] tcg/i386: Support avx512vbmi2 vector shift-double instructions, Richard Henderson, 2022/03/03
- [PULL 30/30] tcg/loongarch64: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 24/30] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu, Richard Henderson, 2022/03/03
- [PULL 22/30] tcg: Add TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 25/30] accel/tcg: Add guest_base_signed_addr32 for user-only, Richard Henderson, 2022/03/03
- [PULL 16/30] tcg/i386: Remove rotls_vec from tcg_target_op_def, Richard Henderson, 2022/03/03
- [PULL 29/30] tcg/riscv: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 19/30] tcg/i386: Implement avx512 multiply,
Richard Henderson <=
- [PULL 27/30] tcg/aarch64: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PULL 23/30] accel/tcg: Split out g2h_tlbe, Richard Henderson, 2022/03/03
- Re: [PULL 00/30] tcg patch queue, Peter Maydell, 2022/03/04