From: Richard Sandiford <richard@codesourcery.com>
Date: Fri, 20 Jan 2006 12:12:24 +0000 (+0000)
Subject: stmt.c (case_bit_test_cmp): Stabilize the sort using code label numbers.
X-Git-Tag: releases/gcc-4.2.0~4715
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0174997a11503d665901689e11d2e88b5f27d552;p=thirdparty%2Fgcc.git

stmt.c (case_bit_test_cmp): Stabilize the sort using code label numbers.

	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
	label numbers.

From-SVN: r110021
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cf2a597d4a13..a59ac958ab35 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-01-20  Richard Sandiford  <richard@codesourcery.com>
+
+	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
+	label numbers.
+
 2006-01-20  Richard Guenther  <rguenther@suse.de>
 	Steven Bosscher <stevenb.gcc@gmail.com>
 
diff --git a/gcc/stmt.c b/gcc/stmt.c
index 02ec490d9280..e2ceaf578c55 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -2170,7 +2170,11 @@ case_bit_test_cmp (const void *p1, const void *p2)
   const struct case_bit_test *d1 = p1;
   const struct case_bit_test *d2 = p2;
 
-  return d2->bits - d1->bits;
+  if (d2->bits != d1->bits)
+    return d2->bits - d1->bits;
+
+  /* Stabilize the sort.  */
+  return CODE_LABEL_NUMBER (d2->label) - CODE_LABEL_NUMBER (d1->label);
 }
 
 /*  Expand a switch statement by a short sequence of bit-wise