From: Kenneth Zadeck <zadeck@naturalbridge.com>
Date: Fri, 9 May 2014 12:21:23 +0000 (+0000)
Subject: re PR middle-end/61111 (Infinite recursion between fold_build2_stat_loc and fold_bina... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8d29c66597d6ff2a41ca6a190c0bd52126f491d;p=gcc.git

re PR middle-end/61111 (Infinite recursion between fold_build2_stat_loc and fold_binary_loc)

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/61111
	* fold-const.c (fold_binary_loc): Changed width of mask.

From-SVN: r210274
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 70614cf3431..ffe31f30d0f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
+
+	PR middle-end/61111
+	* fold-const.c (fold_binary_loc): Changed width of mask.
+
 2014-05-09  Georg-Johann Lay  <avr@gjlay.de>
 
 	* config/avr/avr-fixed.md (round<mode>3): Use -1U instead of -1 in
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 831aaba683c..c5bf81172a2 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -11358,7 +11358,7 @@ fold_binary_loc (location_t loc,
 	  wide_int c3 = c1.and_not (c2);
 	  for (w = BITS_PER_UNIT; w <= width; w <<= 1)
 	    {
-	      wide_int mask = wi::mask (width - w, false,
+	      wide_int mask = wi::mask (w, false,
 					TYPE_PRECISION (type));
 	      if (((c1 | c2) & mask) == mask && c1.and_not (mask) == 0)
 		{