AVX512 has VPSRAQ with immediate operand, in the same form as
with AVX, but requires EVEX encoding and W1.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
tcg/i386/tcg-target.c.inc | 29 ++++++++++++++++++++---------
1 file changed, 20 insertions(+), 9 deletions(-)
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 69481c188c..c4e6f2e5ea 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -2893,17 +2893,21 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_shli_vec:
+ insn = shift_imm_insn[vece];
sub = 6;
goto gen_shift;
case INDEX_op_shri_vec:
+ insn = shift_imm_insn[vece];
sub = 2;
goto gen_shift;
case INDEX_op_sari_vec:
- tcg_debug_assert(vece != MO_64);
+ insn = shift_imm_insn[vece];
+ if (vece == MO_64) {
+ insn |= P_VEXW | P_EVEX;
+ }
sub = 4;
gen_shift:
tcg_debug_assert(vece != MO_8);
- insn = shift_imm_insn[vece];
if (type == TCG_TYPE_V256) {
insn |= P_VEXL;
}
@@ -3223,16 +3227,23 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type,
unsigned vece)
return vece == MO_8 ? -1 : 1;
case INDEX_op_sari_vec:
- /* We must expand the operation for MO_8. */
- if (vece == MO_8) {
+ switch (vece) {
+ case MO_8:
return -1;
- }
- /* We can emulate this for MO_64, but it does not pay off
- unless we're producing at least 4 values. */
- if (vece == MO_64) {
+ case MO_16:
+ case MO_32:
+ return 1;
+ case MO_64:
+ if (have_avx512vl) {
+ return 1;
+ }
+ /*
+ * We can emulate this for MO_64, but it does not pay off
+ * unless we're producing at least 4 values.
+ */
return type >= TCG_TYPE_V256 ? -1 : 0;
}
- return 1;
+ return 0;
case INDEX_op_shls_vec:
case INDEX_op_shrs_vec:
--
2.25.1
