starred/qemu-qemu
1
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2026-07-08 17:46:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

tcg: Fix constant propagation in tcg_reg_alloc_dup

Browse Source 
The scalar constant must be replicated for dup.

Cc: qemu-stable@nongnu.org
Fixes: bab1671f0f ("tcg: Manually expand INDEX_op_dup_vec")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3002
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 0d0fc3f465)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Richard Henderson
2025-06-28 09:57:53 -06:00
committed by Michael Tokarev
parent 62ed767ba0
commit 3b2089e6f2
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tcg/tcg.c
View File

@@ -3491,7 +3491,7 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
if (its->val_type == TEMP_VAL_CONST) {
/* Propagate constant via movi -> dupi. */
tcg_target_ulong val = its->val;
tcg_target_ulong val = dup_const(vece, its->val);
if (IS_DEAD_ARG(1)) {
temp_dead(s, its);
}