From: crux <crux@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 13 Mar 2000 19:35:38 +0000 (+0000)
Subject: Fix recently introduced error in expand_end_case.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=68ba29ecf9ceaca082a1278539a46fc643706836;p=thirdparty%2Fgcc.git

Fix recently introduced error in expand_end_case.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32511 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a6faefccff4f..1589abdf01e6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-03-13  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* stmt.c (expand_end_case): RANGE may be signed, and when checking
+	whether it is too large we must also verify that it isn't negative.
+
 2000-03-13  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
diff --git a/gcc/stmt.c b/gcc/stmt.c
index 9be159dbc923..e919cd2c152d 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -5402,6 +5402,9 @@ expand_end_case (orig_index)
 
       else if (count < CASE_VALUES_THRESHOLD
 	       || compare_tree_int (range, 10 * count) > 0
+	       /* RANGE may be signed, and really large ranges will show up
+		  as negative numbers.  */
+	       || compare_tree_int (range, 0) < 0
 #ifndef ASM_OUTPUT_ADDR_DIFF_ELT
 	       || flag_pic
 #endif