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[Qemu-devel] [PULL 02/31] tcg: Do not recreate INDEX_op_neg_vec unless s
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 02/31] tcg: Do not recreate INDEX_op_neg_vec unless supported |
Date: |
Mon, 13 May 2019 17:05:11 -0700 |
Use tcg_can_emit_vec_op instead of just TCG_TARGET_HAS_neg_vec,
so that we check the type and vece for the actual operation.
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/optimize.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 5150c38a25..24faa06260 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -734,9 +734,13 @@ void tcg_optimize(TCGContext *s)
} else if (opc == INDEX_op_sub_i64) {
neg_op = INDEX_op_neg_i64;
have_neg = TCG_TARGET_HAS_neg_i64;
- } else {
+ } else if (TCG_TARGET_HAS_neg_vec) {
+ TCGType type = TCGOP_VECL(op) + TCG_TYPE_V64;
+ unsigned vece = TCGOP_VECE(op);
neg_op = INDEX_op_neg_vec;
- have_neg = TCG_TARGET_HAS_neg_vec;
+ have_neg = tcg_can_emit_vec_op(neg_op, type, vece) > 0;
+ } else {
+ break;
}
if (!have_neg) {
break;
--
2.17.1
- [Qemu-devel] [PULL 00/31] tcg: gvec improvments, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 07/31] tcg: Return bool success from tcg_out_mov, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 13/31] tcg/aarch64: Implement tcg_out_dupm_vec, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 12/31] tcg/i386: Implement tcg_out_dupm_vec, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 19/31] tcg/i386: Support vector scalar shift opcodes, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 02/31] tcg: Do not recreate INDEX_op_neg_vec unless supported,
Richard Henderson <=
- [Qemu-devel] [PULL 10/31] tcg: Manually expand INDEX_op_dup_vec, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 29/31] target/tricore: Use tcg_gen_abs_tl, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 21/31] tcg: Add support for vector absolute value, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 09/31] tcg: Promote tcg_out_{dup, dupi}_vec to backend interface, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 22/31] tcg/i386: Support vector absolute value, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 31/31] tcg/aarch64: Do not advertise minmax for MO_64, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 27/31] target/ppc: Use tcg_gen_abs_tl, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 24/31] target/arm: Use tcg_gen_abs_i64 and tcg_gen_gvec_abs, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 15/31] tcg: Add gvec expanders for variable shift, Richard Henderson, 2019/05/13
- [Qemu-devel] [PULL 05/31] tcg: Assert fixed_reg is read-only, Richard Henderson, 2019/05/13