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tcg: Fix constant propagation in tcg_reg_alloc_dup

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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>
This commit is contained in:
Richard Henderson
2025-06-30 07:42:56 -06:00
parent 169d253e1f
commit 0d0fc3f465
1 changed files with 1 additions and 1 deletions
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tcg/tcg.c
+1 -1
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@@ -5154,7 +5154,7 @@ 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);
}