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[PATCH v2 21/51] tcg/optimize: Use fold_masks_zs in fold_movcond
From: |
Richard Henderson |
Subject: |
[PATCH v2 21/51] tcg/optimize: Use fold_masks_zs in fold_movcond |
Date: |
Thu, 19 Dec 2024 20:10:33 -0800 |
Avoid the use of the OptContext slots. Find TempOptInfo once.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 85e6dcdb26..e00d86ab2c 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1906,6 +1906,8 @@ static bool fold_mov(OptContext *ctx, TCGOp *op)
static bool fold_movcond(OptContext *ctx, TCGOp *op)
{
+ uint64_t z_mask, s_mask;
+ TempOptInfo *tt, *ft;
int i;
/* If true and false values are the same, eliminate the cmp. */
@@ -1927,14 +1929,14 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op)
return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]);
}
- ctx->z_mask = arg_info(op->args[3])->z_mask
- | arg_info(op->args[4])->z_mask;
- ctx->s_mask = arg_info(op->args[3])->s_mask
- & arg_info(op->args[4])->s_mask;
+ tt = arg_info(op->args[3]);
+ ft = arg_info(op->args[4]);
+ z_mask = tt->z_mask | ft->z_mask;
+ s_mask = tt->s_mask & ft->s_mask;
- if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) {
- uint64_t tv = arg_info(op->args[3])->val;
- uint64_t fv = arg_info(op->args[4])->val;
+ if (tt->is_const && ft->is_const) {
+ uint64_t tv = tt->val;
+ uint64_t fv = ft->val;
TCGOpcode opc, negopc = 0;
TCGCond cond = op->args[5];
@@ -1973,7 +1975,8 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op)
}
}
}
- return false;
+
+ return fold_masks_zs(ctx, op, z_mask, s_mask);
}
static bool fold_mul(OptContext *ctx, TCGOp *op)
--
2.43.0
- [PATCH v2 14/51] tcg/optimize: Use finish_folding in fold_divide, (continued)
- [PATCH v2 14/51] tcg/optimize: Use finish_folding in fold_divide, Richard Henderson, 2024/12/19
- [PATCH v2 17/51] tcg/optimize: Use fold_masks_z in fold_extract, Richard Henderson, 2024/12/19
- [PATCH v2 20/51] tcg/optimize: Use fold_masks_z in fold_extu, Richard Henderson, 2024/12/19
- [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 <=
- [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, 2024/12/19
- [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