[src/trunk]: src/external/gpl3/gcc/dist/gcc Fix gcc bugid 51408 for arm.

[msaitoh <msaitoh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/19d43479a776
branches:  trunk
changeset: 781575:19d43479a776
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Sun Sep 16 07:26:30 2012 +0000

description:
Fix gcc bugid 51408 for arm.
Fixes PR#46972.

diffstat:

 external/gpl3/gcc/dist/gcc/ChangeLog         |  10 ++++++++++
 external/gpl3/gcc/dist/gcc/config/arm/arm.md |   2 +-
 2 files changed, 11 insertions(+), 1 deletions(-)

diffs (29 lines):

diff -r addaf37e2885 -r 19d43479a776 external/gpl3/gcc/dist/gcc/ChangeLog
--- a/external/gpl3/gcc/dist/gcc/ChangeLog      Sun Sep 16 00:02:41 2012 +0000
+++ b/external/gpl3/gcc/dist/gcc/ChangeLog      Sun Sep 16 07:26:30 2012 +0000
@@ -1,3 +1,13 @@
+2011-12-09  Kazu Hirata  <kazu%codesourcery.com@localhost>
+
+       Backport from mainline:
+
+       2011-12-05  Kazu Hirata  <kazu%codesourcery.com@localhost>
+
+       PR target/51408
+       * config/arm/arm.md (*minmax_arithsi): Always require the else
+       clause in the MINUS case.
+
 2011-10-29  John David Anglin  <dave.anglin%nrc-cnrc.gc.ca@localhost>
 
        PR target/50691
diff -r addaf37e2885 -r 19d43479a776 external/gpl3/gcc/dist/gcc/config/arm/arm.md
--- a/external/gpl3/gcc/dist/gcc/config/arm/arm.md      Sun Sep 16 00:02:41 2012 +0000
+++ b/external/gpl3/gcc/dist/gcc/config/arm/arm.md      Sun Sep 16 07:26:30 2012 +0000
@@ -3134,7 +3134,7 @@
     bool need_else;
 
     if (which_alternative != 0 || operands[3] != const0_rtx
-        || (code != PLUS && code != MINUS && code != IOR && code != XOR))
+        || (code != PLUS && code != IOR && code != XOR))
       need_else = true;
     else
       need_else = false;