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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-12-16 07:14:24 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-03-04 08:50:41 -1000 |
| commit | 4c8b9686833f595176d28a90c973e0e469c7ebe7 (patch) | |
| tree | a8a72441b7c2a2fbae8de740d2bc67d42da330fe /tcg/i386 | |
| parent | dac1648fd8460fbe0ff219eb41c9940617f28da0 (diff) | |
| download | qemu-4c8b9686833f595176d28a90c973e0e469c7ebe7.zip qemu-4c8b9686833f595176d28a90c973e0e469c7ebe7.tar.gz qemu-4c8b9686833f595176d28a90c973e0e469c7ebe7.tar.bz2 | |
tcg/i386: Implement avx512 multiply
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>
Diffstat (limited to 'tcg/i386')
| -rw-r--r-- | tcg/i386/tcg-target.c.inc | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index be94b82..a800764 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; |