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From 55f5d999fdde931e7c015bed37510c46234bb459 Mon Sep 17 00:00:00 2001
From: kkojima <kkojima@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 5 Jun 2011 21:47:42 +0000
Subject: [PATCH] PR target/49186
* config/sh/sh.c (expand_cbranchdi4): Set msw_skip when the high
part of the second operand is 0.
* gcc.c-torture/execute/pr49186.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174665 138bc75d-0d04-0410-961f-82ee72b054a4
index ffe84b1..05acb0a 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -2131,7 +2131,10 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
else if (op2h != CONST0_RTX (SImode))
msw_taken = LTU;
else
- break;
+ {
+ msw_skip = swap_condition (LTU);
+ break;
+ }
msw_skip = swap_condition (msw_taken);
}
break;
new file mode 100644
index 0000000..743815b
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr49186.c
@@ -0,0 +1,15 @@
+/* PR target/49186 */
+extern void abort (void);
+
+int
+main ()
+{
+ int x;
+ unsigned long long uv = 0x1000000001ULL;
+
+ x = (uv < 0x80) ? 1 : ((uv < 0x800) ? 2 : 3);
+ if (x != 3)
+ abort ();
+
+ return 0;
+}
--
1.7.0.4
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