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From ca24d352e98e357f4f7b8f0d262201765705a08a Mon Sep 17 00:00:00 2001
From: Pronin Alexander <pronin.alexander@huawei.com>
Date: Thu, 31 Oct 2024 16:31:33 +0800
Subject: [PATCH 4/6] Add required check for iteration through uses
Signed-off-by: Pronin Alexander <pronin.alexander@huawei.com>
---
gcc/tree-ssa-math-opts.cc | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-ssa-math-opts.cc b/gcc/tree-ssa-math-opts.cc
index 2c06b8a60..80c06fa01 100644
--- a/gcc/tree-ssa-math-opts.cc
+++ b/gcc/tree-ssa-math-opts.cc
@@ -4938,8 +4938,13 @@ convert_double_size_mul (gimple_stmt_iterator *gsi, gimple *stmt)
/* Find the mult low part getter. */
FOR_EACH_IMM_USE_STMT (use_stmt, use_iter, match[3])
- if (gimple_assign_rhs_code (use_stmt) == REALPART_EXPR)
- break;
+ {
+ if (!is_gimple_assign (use_stmt))
+ continue;
+
+ if (gimple_assign_rhs_code (use_stmt) == REALPART_EXPR)
+ break;
+ }
/* Create high and low (if needed) parts extractors. */
/* Low part. */
--
2.33.0
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