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[Qemu-devel] [PATCH v2 02/29] tcg: Do not recreate INDEX_op_neg_vec unle
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 02/29] tcg: Do not recreate INDEX_op_neg_vec unless supported |
Date: |
Tue, 30 Apr 2019 22:05:09 -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.
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] [PATCH v2 00/29] tcg vector improvements, Richard Henderson, 2019/05/01
- [Qemu-devel] [PATCH v2 01/29] tcg: Implement tcg_gen_gvec_3i(), Richard Henderson, 2019/05/01
- [Qemu-devel] [PATCH v2 02/29] tcg: Do not recreate INDEX_op_neg_vec unless supported,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 03/29] tcg: Allow add_vec, sub_vec, neg_vec, not_vec to be expanded, Richard Henderson, 2019/05/01
- [Qemu-devel] [PATCH v2 04/29] tcg: Specify optional vector requirements with a list, Richard Henderson, 2019/05/01
- [Qemu-devel] [PATCH v2 05/29] tcg: Assert fixed_reg is read-only, Richard Henderson, 2019/05/01
- [Qemu-devel] [PATCH v2 06/29] tcg: Return bool success from tcg_out_mov, Richard Henderson, 2019/05/01