aboutsummaryrefslogtreecommitdiff
path: root/tcg
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2021-12-16 06:33:47 -0800
committerRichard Henderson <richard.henderson@linaro.org>2022-03-04 08:50:41 -1000
commit47b331b2a8dae9d414971de1d92b4b8a2fbcfe89 (patch)
tree7949b61308dee1f451d942aca002e875337f8e3b /tcg
parentef77ce0d5c4b2e738cd09b4425ce56e071a4aadc (diff)
tcg/i386: Implement avx512 scalar shift
AVX512VL has VPSRAQ. 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')
-rw-r--r--tcg/i386/tcg-target.c.inc12
1 files changed, 10 insertions, 2 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 055db88422..1ef34f0b52 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -369,6 +369,7 @@ static bool tcg_target_const_match(int64_t val, TCGType type, int ct)
#define OPC_PSLLQ (0xf3 | P_EXT | P_DATA16)
#define OPC_PSRAW (0xe1 | P_EXT | P_DATA16)
#define OPC_PSRAD (0xe2 | P_EXT | P_DATA16)
+#define OPC_VPSRAQ (0x72 | P_EXT | P_DATA16 | P_VEXW | P_EVEX)
#define OPC_PSRLW (0xd1 | P_EXT | P_DATA16)
#define OPC_PSRLD (0xd2 | P_EXT | P_DATA16)
#define OPC_PSRLQ (0xd3 | P_EXT | P_DATA16)
@@ -2854,7 +2855,7 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
OPC_UD2, OPC_PSRLW, OPC_PSRLD, OPC_PSRLQ
};
static int const sars_insn[4] = {
- OPC_UD2, OPC_PSRAW, OPC_PSRAD, OPC_UD2
+ OPC_UD2, OPC_PSRAW, OPC_PSRAD, OPC_VPSRAQ
};
static int const abs_insn[4] = {
/* TODO: AVX512 adds support for MO_64. */
@@ -3330,7 +3331,14 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
case INDEX_op_shrs_vec:
return vece >= MO_16;
case INDEX_op_sars_vec:
- return vece >= MO_16 && vece <= MO_32;
+ switch (vece) {
+ case MO_16:
+ case MO_32:
+ return 1;
+ case MO_64:
+ return have_avx512vl;
+ }
+ return 0;
case INDEX_op_rotls_vec:
return vece >= MO_16 ? -1 : 0;