From: Paul Brook <paul@codesourcery.com>
Date: Sun, 18 Sep 2005 00:11:30 +0000 (+0000)
Subject: fpgnuib.c (__floatsidf): Don't rely on signed overflow.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=798d7d9d135a2e676a4180c579e3fcc99b50e471;p=gcc.git

fpgnuib.c (__floatsidf): Don't rely on signed overflow.

2005-09-18  Paul Brook  <paul@codesourcery.com>

	* config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.

From-SVN: r104383
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 20db797d9e0..131c3b7934b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2005-09-18  Paul Brook  <paul@codesourcery.com>
+
+	* config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
+
 2005-09-17  Richard Henderson  <rth@redhat.com>
 
 	* tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
diff --git a/gcc/config/m68k/fpgnulib.c b/gcc/config/m68k/fpgnulib.c
index 5368559d4dd..f63c2be9b51 100644
--- a/gcc/config/m68k/fpgnulib.c
+++ b/gcc/config/m68k/fpgnulib.c
@@ -121,7 +121,7 @@ __floatsidf (long a1)
   if (a1 < 0)
     {
       sign = SIGNBIT;
-      a1 = -a1;
+      a1 = (long)-(unsigned long)a1;
       if (a1 < 0)
 	{
 	  dl.l.upper = SIGNBIT | ((32 + EXCESSD) << 20L);