From: steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 26 Jul 2012 13:21:21 +0000 (+0000)
Subject: 	PR regression/54084
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c72f63ac2c01f0ab873f7a169ed0dc989fea05db;p=thirdparty%2Fgcc.git

	PR regression/54084
	* sel-sched-ir.c (cmp_v_in_regset_pool): Clarify logic, fix
	pointer difference check.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189891 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6f75076377b3..ec73ade34375 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-07-26  Steven Bosscher  <steven@gcc.gnu.org>
+
+	PR regression/54084
+	* sel-sched-ir.c (cmp_v_in_regset_pool): Clarify logic, fix
+	pointer difference check.
+
 2012-07-26  Bill Schmidt  <wschmidt@linux.ibm.com>
 
 	* tree-ssa-loop-ivopts.c (mbc_entry_hash): Remove.
diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c
index 4781f059a173..2dfecf5e45bd 100644
--- a/gcc/sel-sched-ir.c
+++ b/gcc/sel-sched-ir.c
@@ -954,7 +954,13 @@ return_regset_to_pool (regset rs)
 static int
 cmp_v_in_regset_pool (const void *x, const void *xx)
 {
-  return *((const regset *) x) - *((const regset *) xx);
+  uintptr_t r1 = (uintptr_t) *((const regset *) x);
+  uintptr_t r2 = (uintptr_t) *((const regset *) xx);
+  if (r1 > r2)
+    return 1;
+  else if (r1 < r2)
+    return -1;
+  gcc_unreachable ();
 }
 #endif