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tcg/optimize: Use fold_masks_zs in fold_movcond

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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>
This commit is contained in:
Richard Henderson 2024-12-08 20:16:38 -06:00
parent 08abe2908f
commit 322027841f
1 changed files with 11 additions and 8 deletions
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19
tcg/optimize.c
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@ -1889,6 +1889,8 @@ static bool fold_mov(OptContext *ctx, TCGOp *op)
static bool fold_movcond(OptContext *ctx, TCGOp *op) static bool fold_movcond(OptContext *ctx, TCGOp *op)
{ {
uint64_t z_mask, s_mask;
TempOptInfo *tt, *ft;
int i; int i;
/* If true and false values are the same, eliminate the cmp. */ /* If true and false values are the same, eliminate the cmp. */
@ -1910,14 +1912,14 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op)
return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]);
} }
ctx->z_mask = arg_info(op->args[3])->z_mask tt = arg_info(op->args[3]);
| arg_info(op->args[4])->z_mask; ft = arg_info(op->args[4]);
ctx->s_mask = arg_info(op->args[3])->s_mask z_mask = tt->z_mask | ft->z_mask;
& arg_info(op->args[4])->s_mask; s_mask = tt->s_mask & ft->s_mask;
if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { if (ti_is_const(tt) && ti_is_const(ft)) {
uint64_t tv = arg_info(op->args[3])->val; uint64_t tv = ti_const_val(tt);
uint64_t fv = arg_info(op->args[4])->val; uint64_t fv = ti_const_val(ft);
TCGOpcode opc, negopc = 0; TCGOpcode opc, negopc = 0;
TCGCond cond = op->args[5]; TCGCond cond = op->args[5];
@ -1956,7 +1958,8 @@ 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) static bool fold_mul(OptContext *ctx, TCGOp *op)