From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 27 Nov 2009 11:31:55 +0000 (+0100)
Subject: opts.c (decode_options): If optimize is bigger than 255, set it to 255.
X-Git-Tag: releases/gcc-4.5.0~2003
X-Git-Url: https://gcc.gnu.org/git/?a=commitdiff_plain;h=e96fee3e91436d8183a5dd06223b37ae8393c928;p=gcc.git

opts.c (decode_options): If optimize is bigger than 255, set it to 255.

	* opts.c (decode_options): If optimize is bigger than 255,
	set it to 255.

	* gcc.dg/O16384.c: New test.

From-SVN: r154699
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e3c27aa7a661..1519f27b1933 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* opts.c (decode_options): If optimize is bigger than 255,
+	set it to 255.
+
 2009-11-26  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/sse.md (mulv16qi3): Change back from an expander
diff --git a/gcc/opts.c b/gcc/opts.c
index 3a825ce364d3..7660bd894fd8 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -829,6 +829,8 @@ decode_options (unsigned int argc, const char **argv)
 	      if (optimize_val != -1)
 		{
 		  optimize = optimize_val;
+		  if ((unsigned int) optimize > 255)
+		    optimize = 255;
 		  optimize_size = 0;
 		}
 	    }
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cd4c631b3361..e1c93e03f50d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2009-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.dg/O16384.c: New test.
+
 2009-11-27  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/35112
diff --git a/gcc/testsuite/gcc.dg/O16384.c b/gcc/testsuite/gcc.dg/O16384.c
new file mode 100644
index 000000000000..32e17d4e68d9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/O16384.c
@@ -0,0 +1,15 @@
+/* Test insane -O argument.  */
+/* { dg-do compile } */
+/* { dg-options "-O16384" } */
+
+__attribute__((__optimize__(16396), __noinline__)) void
+foo (void)
+{
+}
+
+int
+main (void)
+{
+  foo ();
+  return 0;
+}