From ac383dde33405106469d04a78de1d76f1a730cb1 Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Sat, 20 Apr 2019 00:27:24 +0000
Subject: [PATCH] tcg: Do not recreate INDEX_op_neg_vec unless supported
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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 <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
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;