aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2021-12-15 21:18:48 -0800
committerRichard Henderson <richard.henderson@linaro.org>2022-03-04 08:50:41 -1000
commitef77ce0d5c4b2e738cd09b4425ce56e071a4aadc (patch)
tree68cbf54ce55513f32101cdc053acf2dfb5821fd9
parent54e2d650ddea28968160dee6d51cccd4dbfc7aea (diff)
downloadqemu-ef77ce0d5c4b2e738cd09b4425ce56e071a4aadc.zip
qemu-ef77ce0d5c4b2e738cd09b4425ce56e071a4aadc.tar.gz
qemu-ef77ce0d5c4b2e738cd09b4425ce56e071a4aadc.tar.bz2
tcg/i386: Implement avx512 variable shifts
AVX512VL has VPSRAVQ, and AVX512BW has VPSLLVW, VPSRAVW, VPSRLVW. 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>
-rw-r--r--tcg/i386/tcg-target.c.inc32
1 files changed, 24 insertions, 8 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 6a53f37..055db88 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -419,9 +419,13 @@ 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)
@@ -2835,16 +2839,13 @@ 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
@@ -3335,9 +3336,24 @@ 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;