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tcg/optimize: Use fold_masks_zs in fold_tcg_ld

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Avoid the use of the OptContext slots.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-09 08:53:20 -06:00
parent fe1d0074b5
commit d33e0f01db
1 changed files with 9 additions and 7 deletions
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16
tcg/optimize.c
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@ -2650,30 +2650,32 @@ static bool fold_sub2(OptContext *ctx, TCGOp *op)
static bool fold_tcg_ld(OptContext *ctx, TCGOp *op) static bool fold_tcg_ld(OptContext *ctx, TCGOp *op)
{ {
uint64_t z_mask = -1, s_mask = 0;
/* We can't do any folding with a load, but we can record bits. */ /* We can't do any folding with a load, but we can record bits. */
switch (op->opc) { switch (op->opc) {
CASE_OP_32_64(ld8s): CASE_OP_32_64(ld8s):
ctx->s_mask = MAKE_64BIT_MASK(8, 56); s_mask = INT8_MIN;
break; break;
CASE_OP_32_64(ld8u): CASE_OP_32_64(ld8u):
ctx->z_mask = MAKE_64BIT_MASK(0, 8); z_mask = MAKE_64BIT_MASK(0, 8);
break; break;
CASE_OP_32_64(ld16s): CASE_OP_32_64(ld16s):
ctx->s_mask = MAKE_64BIT_MASK(16, 48); s_mask = INT16_MIN;
break; break;
CASE_OP_32_64(ld16u): CASE_OP_32_64(ld16u):
ctx->z_mask = MAKE_64BIT_MASK(0, 16); z_mask = MAKE_64BIT_MASK(0, 16);
break; break;
case INDEX_op_ld32s_i64: case INDEX_op_ld32s_i64:
ctx->s_mask = MAKE_64BIT_MASK(32, 32); s_mask = INT32_MIN;
break; break;
case INDEX_op_ld32u_i64: case INDEX_op_ld32u_i64:
ctx->z_mask = MAKE_64BIT_MASK(0, 32); z_mask = MAKE_64BIT_MASK(0, 32);
break; break;
default: default:
g_assert_not_reached(); g_assert_not_reached();
} }
return false; return fold_masks_zs(ctx, op, z_mask, s_mask);
} }
static bool fold_tcg_ld_memcopy(OptContext *ctx, TCGOp *op) static bool fold_tcg_ld_memcopy(OptContext *ctx, TCGOp *op)