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[PATCH v2 24/51] tcg/optimize: Use fold_masks_z in fold_neg_no_const
From: |
Richard Henderson |
Subject: |
[PATCH v2 24/51] tcg/optimize: Use fold_masks_z in fold_neg_no_const |
Date: |
Thu, 19 Dec 2024 20:10:36 -0800 |
Avoid the use of the OptContext slots.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index c206c0f40d..baf545df24 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -2061,14 +2061,9 @@ static bool fold_neg_no_const(OptContext *ctx, TCGOp *op)
{
/* Set to 1 all bits to the left of the rightmost. */
uint64_t z_mask = arg_info(op->args[1])->z_mask;
- ctx->z_mask = -(z_mask & -z_mask);
+ z_mask = -(z_mask & -z_mask);
- /*
- * Because of fold_sub_to_neg, we want to always return true,
- * via finish_folding.
- */
- finish_folding(ctx, op);
- return true;
+ return fold_masks_z(ctx, op, z_mask);
}
static bool fold_neg(OptContext *ctx, TCGOp *op)
--
2.43.0
- [PATCH v2 13/51] tcg/optimize: Compute sign mask in fold_deposit, (continued)
- [PATCH v2 13/51] tcg/optimize: Compute sign mask in fold_deposit, Richard Henderson, 2024/12/19
- [PATCH v2 16/51] tcg/optimize: Use fold_masks_s in fold_eqv, Richard Henderson, 2024/12/19
- [PATCH v2 15/51] tcg/optimize: Use finish_folding in fold_dup, fold_dup2, Richard Henderson, 2024/12/19
- [PATCH v2 22/51] tcg/optimize: Use finish_folding in fold_mul*, Richard Henderson, 2024/12/19
- [PATCH v2 23/51] tcg/optimize: Use fold_masks_s in fold_nand, Richard Henderson, 2024/12/19
- [PATCH v2 39/51] tcg/optimize: Use fold_masks_zs in fold_sextract, Richard Henderson, 2024/12/19
- [PATCH v2 21/51] tcg/optimize: Use fold_masks_zs in fold_movcond, Richard Henderson, 2024/12/19
- [PATCH v2 32/51] tcg/optimize: Distinguish simplification in fold_setcond_zmask, Richard Henderson, 2024/12/19
- [PATCH v2 19/51] tcg/optimize: Use fold_masks_zs in fold_exts, Richard Henderson, 2024/12/19
- [PATCH v2 24/51] tcg/optimize: Use fold_masks_z in fold_neg_no_const,
Richard Henderson <=
- [PATCH v2 10/51] tcg/optimize: Use fold_masks_zs in fold_count_zeros, Richard Henderson, 2024/12/19
- [PATCH v2 18/51] tcg/optimize: Use finish_folding in fold_extract2, Richard Henderson, 2024/12/19
- [PATCH v2 27/51] tcg/optimize: Use fold_masks_zs in fold_or, Richard Henderson, 2024/12/19
- [PATCH v2 26/51] tcg/optimize: Use fold_masks_s in fold_not, Richard Henderson, 2024/12/19
- [PATCH v2 30/51] tcg/optimize: Return true from fold_qemu_st, fold_tcg_st, Richard Henderson, 2024/12/19
- [PATCH v2 29/51] tcg/optimize: Use fold_masks_zs in fold_qemu_ld, Richard Henderson, 2024/12/19
- [PATCH v2 31/51] tcg/optimize: Use finish_folding in fold_remainder, Richard Henderson, 2024/12/19
- [PATCH v2 33/51] tcg/optimize: Use fold_masks_z in fold_setcond, Richard Henderson, 2024/12/19