From 4c8b9686833f595176d28a90c973e0e469c7ebe7 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 16 Dec 2021 07:14:24 -0800 Subject: tcg/i386: Implement avx512 multiply MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit AVX512DQ has VPMULLQ. Tested-by: Alex Bennée Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson --- 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; -- cgit v1.2.3