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[v2,44/51] tcg/optimize: Use fold_masks_zs in fold_tcg_ld

Message ID 20241220041104.53105-45-richard.henderson@linaro.org
State New
Headers show
Series tcg: Remove in-flight mask data from OptContext | expand

Commit Message

Richard Henderson Dec. 20, 2024, 4:10 a.m. UTC 
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 | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)
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Patch

diff --git a/tcg/optimize.c b/tcg/optimize.c
index bfce2dcf60..56bf3c1aaa 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -2675,33 +2675,35 @@  static bool fold_sub2(OptContext *ctx, TCGOp *op)
 
 static bool fold_tcg_ld(OptContext *ctx, TCGOp *op)
 {
+    uint64_t z_mask = -1, s_mask;
+
     /* We can't do any folding with a load, but we can record bits. */
     switch (op->opc) {
     CASE_OP_32_64(ld8s):
-        ctx->s_mask = MAKE_64BIT_MASK(8, 56);
+        s_mask = MAKE_64BIT_MASK(8, 56);
         break;
     CASE_OP_32_64(ld8u):
-        ctx->z_mask = MAKE_64BIT_MASK(0, 8);
-        ctx->s_mask = MAKE_64BIT_MASK(9, 55);
+        z_mask = MAKE_64BIT_MASK(0, 8);
+        s_mask = MAKE_64BIT_MASK(9, 55);
         break;
     CASE_OP_32_64(ld16s):
-        ctx->s_mask = MAKE_64BIT_MASK(16, 48);
+        s_mask = MAKE_64BIT_MASK(16, 48);
         break;
     CASE_OP_32_64(ld16u):
-        ctx->z_mask = MAKE_64BIT_MASK(0, 16);
-        ctx->s_mask = MAKE_64BIT_MASK(17, 47);
+        z_mask = MAKE_64BIT_MASK(0, 16);
+        s_mask = MAKE_64BIT_MASK(17, 47);
         break;
     case INDEX_op_ld32s_i64:
-        ctx->s_mask = MAKE_64BIT_MASK(32, 32);
+        s_mask = MAKE_64BIT_MASK(32, 32);
         break;
     case INDEX_op_ld32u_i64:
-        ctx->z_mask = MAKE_64BIT_MASK(0, 32);
-        ctx->s_mask = MAKE_64BIT_MASK(33, 31);
+        z_mask = MAKE_64BIT_MASK(0, 32);
+        s_mask = MAKE_64BIT_MASK(33, 31);
         break;
     default:
         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)