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[v2,17/51] tcg/optimize: Use fold_masks_z in fold_extract

Message ID 20241220041104.53105-18-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.  Find TempOptInfo once.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/optimize.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)
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Patch

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 56043a02e0..6f7166414f 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1755,25 +1755,22 @@  static bool fold_eqv(OptContext *ctx, TCGOp *op)
 static bool fold_extract(OptContext *ctx, TCGOp *op)
 {
     uint64_t z_mask_old, z_mask;
+    TempOptInfo *t1 = arg_info(op->args[1]);
     int pos = op->args[2];
     int len = op->args[3];
 
-    if (arg_is_const(op->args[1])) {
-        uint64_t t;
-
-        t = arg_info(op->args[1])->val;
-        t = extract64(t, pos, len);
-        return tcg_opt_gen_movi(ctx, op, op->args[0], t);
+    if (t1->is_const) {
+        return tcg_opt_gen_movi(ctx, op, op->args[0],
+                                extract64(t1->val, pos, len));
     }
 
-    z_mask_old = arg_info(op->args[1])->z_mask;
+    z_mask_old = t1->z_mask;
     z_mask = extract64(z_mask_old, pos, len);
     if (pos == 0 && fold_affected_mask(ctx, op, z_mask_old ^ z_mask)) {
         return true;
     }
-    ctx->z_mask = z_mask;
 
-    return fold_masks(ctx, op);
+    return fold_masks_z(ctx, op, z_mask);
 }
 
 static bool fold_extract2(OptContext *ctx, TCGOp *op)