1 files changed, 53 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0403-PR-target-49238.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0403-PR-target-49238.patch
new file mode 100644
index 0000000000..d43c6357e9
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0403-PR-target-49238.patch
@@ -0,0 +1,53 @@
+From 097c985ab5f847fba2fe4f9e53732b75f2ecf266 Mon Sep 17 00:00:00 2001
+From: kkojima <kkojima@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Wed, 8 Jun 2011 04:07:25 +0000
+Subject: [PATCH]        PR target/49238
+        * config/sh/sh.c (expand_cbranchdi4): Use a scratch register if
+        needed when original operands are used for msw_skip comparison.
+        * gcc.c-torture/compile/pr49238.c: New.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174793 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index 05acb0a..ee80028 100644
+--- a/gcc/config/sh/sh.c
++++ b/gcc/config/sh/sh.c
+@@ -2187,6 +2187,13 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
+        {
+          operands[1] = op1h;
+          operands[2] = op2h;
++         if (reload_completed
++             && ! arith_reg_or_0_operand (op2h, SImode)
++             && (true_regnum (op1h) || (comparison != EQ && comparison != NE)))
++           {
++             emit_move_insn (scratch, operands[2]);
++             operands[2] = scratch;
++           }
+        }
+ 
+       operands[3] = skip_label = gen_label_rtx ();
+new file mode 100644
+index 0000000..fd8443a
+--- /dev/null
++++ b/gcc/testsuite/gcc.c-torture/compile/pr49238.c
+@@ -0,0 +1,18 @@
++/* PR target/49238 */
++extern int bar (void);
++
++void
++foo (unsigned long long a, int b)
++{
++  int i;
++
++  if (b)
++    for (a = -12; a >= 10; a = bar ())
++      break;
++  else
++    return;
++
++  for (i = 0; i < 10; i += 10)
++    if ((i == bar ()) | (bar () >= a))
++      bar ();
++}
+-- 
+1.7.0.4
+