re PR rtl-optimization/39110 (Revision 143939 breaks bootstrap on Linux/ia64)

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39110
	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
	addresses, not aligned ones.

From-SVN: r143971

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24623034bc83ccf84f0fb89c05c2846f6bd348b0..a8d6685bd628ee786186bc0de67b27c65f1a445c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR rtl-optimization/39110
+       * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
+       addresses, not aligned ones.
+
 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
            Richard Guenther  <rguenther@suse.de>
 

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index cc7775ffd638f553ef1528adddef93941520fe0e..e39dea2c08c7c7daa16d131e6c91745c7ef338f6 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -282,7 +282,8 @@ rtx_addr_can_trap_p_1 (const_rtx x, HOST_WIDE_INT offset, HOST_WIDE_INT size,
        actual_offset -= STACK_POINTER_OFFSET;
 #endif
 
-      return actual_offset % GET_MODE_SIZE (mode) != 0;
+      if (actual_offset % GET_MODE_SIZE (mode) != 0)
+       return 1;
     }
 
   switch (code)