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authorRichard Henderson <richard.henderson@linaro.org>2020-09-06 18:27:41 -0700
committerRichard Henderson <richard.henderson@linaro.org>2020-10-08 05:57:32 -0500
commita5b30d950c42b14bc9da24d1e68add6538d23336 (patch)
tree486c6bc0fdac02207ac0c713137ef7f2e31a8274 /tcg
parentf80d09b599a5e0fd7f44653f23b04104cb703f7a (diff)
tcg: Fix generation of dupi_vec for 32-bit host
The definition of INDEX_op_dupi_vec is that it operates on units of tcg_target_ulong -- in this case 32 bits. It does not work to use this for a uint64_t value that happens to be small enough to fit in tcg_target_ulong. Fixes: d2fd745fe8b Fixes: db432672dc5 Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/tcg-op-vec.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index ed6fb55fe1..cdbf11c573 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -252,10 +252,10 @@ TCGv_vec tcg_const_ones_vec_matching(TCGv_vec m)
void tcg_gen_dup64i_vec(TCGv_vec r, uint64_t a)
{
- if (TCG_TARGET_REG_BITS == 32 && a == deposit64(a, 32, 32, a)) {
- do_dupi_vec(r, MO_32, a);
- } else if (TCG_TARGET_REG_BITS == 64 || a == (uint64_t)(int32_t)a) {
+ if (TCG_TARGET_REG_BITS == 64) {
do_dupi_vec(r, MO_64, a);
+ } else if (a == dup_const(MO_32, a)) {
+ do_dupi_vec(r, MO_32, a);
} else {
TCGv_i64 c = tcg_const_i64(a);
tcg_gen_dup_i64_vec(MO_64, r, c);
@@ -280,7 +280,11 @@ void tcg_gen_dup8i_vec(TCGv_vec r, uint32_t a)
void tcg_gen_dupi_vec(unsigned vece, TCGv_vec r, uint64_t a)
{
- do_dupi_vec(r, MO_REG, dup_const(vece, a));
+ if (vece == MO_64) {
+ tcg_gen_dup64i_vec(r, a);
+ } else {
+ do_dupi_vec(r, MO_REG, dup_const(vece, a));
+ }
}
void tcg_gen_dup_i64_vec(unsigned vece, TCGv_vec r, TCGv_i64 a)