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tcg/optimize: Build and use o_bits in fold_exts

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Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-10 15:55:33 -06:00
parent 83c47c3027
commit de85257f14
1 changed files with 4 additions and 2 deletions
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6
tcg/optimize.c
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@ -2013,7 +2013,7 @@ static bool fold_extract2(OptContext *ctx, TCGOp *op)
static bool fold_exts(OptContext *ctx, TCGOp *op)
{
uint64_t s_mask, z_mask;
uint64_t z_mask, o_mask, s_mask;
TempOptInfo *t1;
if (fold_const1(ctx, op)) {
@ -2022,17 +2022,19 @@ static bool fold_exts(OptContext *ctx, TCGOp *op)
t1 = arg_info(op->args[1]);
z_mask = t1->z_mask;
o_mask = t1->o_mask;
s_mask = t1->s_mask;
switch (op->opc) {
case INDEX_op_ext_i32_i64:
s_mask |= INT32_MIN;
z_mask = (int32_t)z_mask;
o_mask = (int32_t)o_mask;
break;
default:
g_assert_not_reached();
}
return fold_masks_zs(ctx, op, z_mask, s_mask);
return fold_masks_zos(ctx, op, z_mask, o_mask, s_mask);
}
static bool fold_extu(OptContext *ctx, TCGOp *op)