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[Qemu-devel] [PATCH 2/2] tcg: Add missing tcg_can_emit_vec_op check in t
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 2/2] tcg: Add missing tcg_can_emit_vec_op check in tcg_gen_gvec_2s |
Date: |
Sat, 17 Feb 2018 08:40:37 -0800 |
This lead to an assertion failure for 64-bit vector multiply,
which is not available in the AVX instruction set.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/tcg-op-gvec.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index 29f9cf34b4..432e577c35 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -979,12 +979,15 @@ void tcg_gen_gvec_2s(uint32_t dofs, uint32_t aofs,
uint32_t oprsz,
type = 0;
if (g->fniv) {
- if (TCG_TARGET_HAS_v256 && check_size_impl(oprsz, 32)) {
+ if (TCG_TARGET_HAS_v256 && check_size_impl(oprsz, 32)
+ && tcg_can_emit_vec_op(g->opc, TCG_TYPE_V256, g->vece)) {
type = TCG_TYPE_V256;
- } else if (TCG_TARGET_HAS_v128 && check_size_impl(oprsz, 16)) {
+ } else if (TCG_TARGET_HAS_v128 && check_size_impl(oprsz, 16)
+ && tcg_can_emit_vec_op(g->opc, TCG_TYPE_V128, g->vece)) {
type = TCG_TYPE_V128;
} else if (TCG_TARGET_HAS_v64 && !g->prefer_i64
- && check_size_impl(oprsz, 8)) {
+ && check_size_impl(oprsz, 8)
+ && tcg_can_emit_vec_op(g->opc, TCG_TYPE_V64, g->vece)) {
type = TCG_TYPE_V64;
}
}
--
2.14.3