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From 138f1af2d77d56762a2c2af4759efd53c275b67e Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Mon, 21 Mar 2011 00:49:43 +0100
Subject: [PATCH 5/6] PR45052
---
gcc/ipa-pure-const.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
index 166dabb..da9d5d6 100644
--- a/gcc/ipa-pure-const.c
+++ b/gcc/ipa-pure-const.c
@@ -416,6 +416,13 @@ check_stmt (gimple_stmt_iterator *gsip, funct_state local, bool ipa)
print_gimple_stmt (dump_file, stmt, 0, 0);
}
+ if (gimple_has_volatile_ops (stmt))
+ {
+ local->pure_const_state = IPA_NEITHER;
+ if (dump_file)
+ fprintf (dump_file, " Volatile stmt is not const/pure\n");
+ }
+
/* Look for loads and stores. */
walk_stmt_load_store_ops (stmt, local, check_load, check_store);
--
1.7.4
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