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[PATCH 08/20] tcg/i386: Implement avx512 variable shifts
From: |
Richard Henderson |
Subject: |
[PATCH 08/20] tcg/i386: Implement avx512 variable shifts |
Date: |
Sat, 18 Dec 2021 11:42:38 -0800 |
AVX512VL has VPSRAVQ, and
AVX512BW has VPSLLVW, VPSRAVW, VPSRLVW.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/i386/tcg-target.c.inc | 32 ++++++++++++++++++++++++--------
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 316e550b38..7b9302fcc2 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -418,9 +418,13 @@ static bool tcg_target_const_match(int64_t val, TCGType
type, int ct)
#define OPC_VPBROADCASTQ (0x59 | P_EXT38 | P_DATA16)
#define OPC_VPERMQ (0x00 | P_EXT3A | P_DATA16 | P_VEXW)
#define OPC_VPERM2I128 (0x46 | P_EXT3A | P_DATA16 | P_VEXL)
+#define OPC_VPSLLVW (0x12 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
#define OPC_VPSLLVD (0x47 | P_EXT38 | P_DATA16)
#define OPC_VPSLLVQ (0x47 | P_EXT38 | P_DATA16 | P_VEXW)
+#define OPC_VPSRAVW (0x11 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
#define OPC_VPSRAVD (0x46 | P_EXT38 | P_DATA16)
+#define OPC_VPSRAVQ (0x46 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
+#define OPC_VPSRLVW (0x10 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
#define OPC_VPSRLVD (0x45 | P_EXT38 | P_DATA16)
#define OPC_VPSRLVQ (0x45 | P_EXT38 | P_DATA16 | P_VEXW)
#define OPC_VZEROUPPER (0x77 | P_EXT)
@@ -2742,16 +2746,13 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
OPC_PMAXUB, OPC_PMAXUW, OPC_PMAXUD, OPC_UD2
};
static int const shlv_insn[4] = {
- /* TODO: AVX512 adds support for MO_16. */
- OPC_UD2, OPC_UD2, OPC_VPSLLVD, OPC_VPSLLVQ
+ OPC_UD2, OPC_VPSLLVW, OPC_VPSLLVD, OPC_VPSLLVQ
};
static int const shrv_insn[4] = {
- /* TODO: AVX512 adds support for MO_16. */
- OPC_UD2, OPC_UD2, OPC_VPSRLVD, OPC_VPSRLVQ
+ OPC_UD2, OPC_VPSRLVW, OPC_VPSRLVD, OPC_VPSRLVQ
};
static int const sarv_insn[4] = {
- /* TODO: AVX512 adds support for MO_16, MO_64. */
- OPC_UD2, OPC_UD2, OPC_VPSRAVD, OPC_UD2
+ OPC_UD2, OPC_VPSRAVW, OPC_VPSRAVD, OPC_VPSRAVQ
};
static int const shls_insn[4] = {
OPC_UD2, OPC_PSLLW, OPC_PSLLD, OPC_PSLLQ
@@ -3242,9 +3243,24 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type,
unsigned vece)
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
- return have_avx2 && vece >= MO_32;
+ switch (vece) {
+ case MO_16:
+ return have_avx512bw;
+ case MO_32:
+ case MO_64:
+ return have_avx2;
+ }
+ return 0;
case INDEX_op_sarv_vec:
- return have_avx2 && vece == MO_32;
+ switch (vece) {
+ case MO_16:
+ return have_avx512bw;
+ case MO_32:
+ return have_avx2;
+ case MO_64:
+ return have_avx512vl;
+ }
+ return 0;
case INDEX_op_rotlv_vec:
case INDEX_op_rotrv_vec:
return have_avx2 && vece >= MO_32 ? -1 : 0;
--
2.25.1
- Re: [PATCH 01/20] tcg/optimize: Fix folding of vector ops, (continued)
- [PATCH 04/20] tcg/s390x: Implement vector NAND, NOR, EQV, Richard Henderson, 2021/12/18
- [PATCH 02/20] tcg: Add opcodes for vector nand, nor, eqv, Richard Henderson, 2021/12/18
- [PATCH 03/20] tcg/ppc: Implement vector NAND, NOR, EQV, Richard Henderson, 2021/12/18
- [PATCH 05/20] tcg/i386: Detect AVX512, Richard Henderson, 2021/12/18
- [PATCH 06/20] tcg/i386: Add tcg_out_evex_opc, Richard Henderson, 2021/12/18
- [PATCH 07/20] tcg/i386: Use tcg_can_emit_vec_op in expand_vec_cmp_noinv, Richard Henderson, 2021/12/18
- [PATCH 08/20] tcg/i386: Implement avx512 variable shifts,
Richard Henderson <=
- [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, 2021/12/18