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[PULL,15/72] tcg/optimize: Use fold_masks_z in fold_ctpop

Message ID 20241224200521.310066-16-richard.henderson@linaro.org
State New
Headers show
Series [PULL,01/72] tests/tcg: Do not use inttypes.h in multiarch/system/memory.c | expand

Commit Message

Richard Henderson Dec. 24, 2024, 8:04 p.m. UTC 
Add fold_masks_z as a trivial wrapper around fold_masks_zs.
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 | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
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Patch

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 0766a452b5..2f5030c899 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1067,6 +1067,11 @@  static bool fold_masks_zs(OptContext *ctx, TCGOp *op,
     return true;
 }
 
+static bool fold_masks_z(OptContext *ctx, TCGOp *op, uint64_t z_mask)
+{
+    return fold_masks_zs(ctx, op, z_mask, 0);
+}
+
 static bool fold_masks(OptContext *ctx, TCGOp *op)
 {
     return fold_masks_zs(ctx, op, ctx->z_mask, ctx->s_mask);
@@ -1599,21 +1604,23 @@  static bool fold_count_zeros(OptContext *ctx, TCGOp *op)
 
 static bool fold_ctpop(OptContext *ctx, TCGOp *op)
 {
+    uint64_t z_mask;
+
     if (fold_const1(ctx, op)) {
         return true;
     }
 
     switch (ctx->type) {
     case TCG_TYPE_I32:
-        ctx->z_mask = 32 | 31;
+        z_mask = 32 | 31;
         break;
     case TCG_TYPE_I64:
-        ctx->z_mask = 64 | 63;
+        z_mask = 64 | 63;
         break;
     default:
         g_assert_not_reached();
     }
-    return false;
+    return fold_masks_z(ctx, op, z_mask);
 }
 
 static bool fold_deposit(OptContext *ctx, TCGOp *op)