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authorRichard Henderson <richard.henderson@linaro.org>2021-12-18 09:15:29 -0800
committerRichard Henderson <richard.henderson@linaro.org>2022-03-04 08:50:41 -1000
commit102cd35c01ddb4ed434becb323d54f07e9c3158b (patch)
treecf0d4c57f6e6a58b2f9417855f2539fd3d786c85 /tcg
parent4e73f842e8b4d90776fb25a5b699b807902f1881 (diff)
tcg/i386: Implement avx512 variable rotate
AVX512VL has VPROLVD and VPRORVQ. 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.inc25
-rw-r--r--tcg/i386/tcg-target.h2
2 files changed, 25 insertions, 2 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 3a9f6a3360..712ae3a168 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -420,6 +420,10 @@ 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_VPROLVD (0x15 | P_EXT38 | P_DATA16 | P_EVEX)
+#define OPC_VPROLVQ (0x15 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
+#define OPC_VPRORVD (0x14 | P_EXT38 | P_DATA16 | P_EVEX)
+#define OPC_VPRORVQ (0x14 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
#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)
@@ -2839,6 +2843,12 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
static int const umax_insn[4] = {
OPC_PMAXUB, OPC_PMAXUW, OPC_PMAXUD, OPC_UD2
};
+ static int const rotlv_insn[4] = {
+ OPC_UD2, OPC_UD2, OPC_VPROLVD, OPC_VPROLVQ
+ };
+ static int const rotrv_insn[4] = {
+ OPC_UD2, OPC_UD2, OPC_VPRORVD, OPC_VPRORVQ
+ };
static int const shlv_insn[4] = {
OPC_UD2, OPC_VPSLLVW, OPC_VPSLLVD, OPC_VPSLLVQ
};
@@ -2922,6 +2932,12 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_sarv_vec:
insn = sarv_insn[vece];
goto gen_simd;
+ case INDEX_op_rotlv_vec:
+ insn = rotlv_insn[vece];
+ goto gen_simd;
+ case INDEX_op_rotrv_vec:
+ insn = rotrv_insn[vece];
+ goto gen_simd;
case INDEX_op_shls_vec:
insn = shls_insn[vece];
goto gen_simd;
@@ -3275,6 +3291,8 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
case INDEX_op_sarv_vec:
+ case INDEX_op_rotlv_vec:
+ case INDEX_op_rotrv_vec:
case INDEX_op_shls_vec:
case INDEX_op_shrs_vec:
case INDEX_op_sars_vec:
@@ -3387,7 +3405,12 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
return 0;
case INDEX_op_rotlv_vec:
case INDEX_op_rotrv_vec:
- return have_avx2 && vece >= MO_32 ? -1 : 0;
+ switch (vece) {
+ case MO_32:
+ case MO_64:
+ return have_avx512vl ? 1 : have_avx2 ? -1 : 0;
+ }
+ return 0;
case INDEX_op_mul_vec:
if (vece == MO_8) {
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index 23a8b2a8c8..da1eff59aa 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -197,7 +197,7 @@ extern bool have_movbe;
#define TCG_TARGET_HAS_abs_vec 1
#define TCG_TARGET_HAS_roti_vec have_avx512vl
#define TCG_TARGET_HAS_rots_vec 0
-#define TCG_TARGET_HAS_rotv_vec 0
+#define TCG_TARGET_HAS_rotv_vec have_avx512vl
#define TCG_TARGET_HAS_shi_vec 1
#define TCG_TARGET_HAS_shs_vec 1
#define TCG_TARGET_HAS_shv_vec have_avx2