[gentoo-commits] gentoo commit in src/patchsets/gcc/4.3.2/gentoo: 67_all_gcc43-pr35964.patch

[Mike Frysinger (vapier)]

vapier      09/04/05 20:10:12

  Added:                67_all_gcc43-pr35964.patch
  Log:
  also add patch to 4.3.2 patchset #261111

Revision  Changes    Path
1.1                  src/patchsets/gcc/4.3.2/gentoo/67_all_gcc43-pr35964.patch

file : http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.2/gentoo/67_all_gcc43-pr35964.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.3.2/gentoo/67_all_gcc43-pr35964.patch?rev=1.1&content-type=text/plain

Index: 67_all_gcc43-pr35964.patch
===================================================================
backport from gcc-4.4 for gcc segfault on arm with certain flags
http://gcc.gnu.org/PR35964
http://bugs.gentoo.org/261111

	gcc/ 
	* regrename.c: Unshare RTX earlier in build_def_use to avoid 
	corruption of dup_loc. 
 

Index: gcc/regrename.c
===================================================================
--- gcc/regrename.c	(revision 197947)
+++ gcc/regrename.c	(working copy)
@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
 		recog_data.operand_type[i] = OP_INOUT;
 	    }
 
+	  /* Unshare dup_loc RTL */
+	  for (i = 0; i < recog_data.n_dups; i++)
+	    *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
 	  /* Step 1: Close chains for which we have overlapping reads.  */
 	  for (i = 0; i < n_ops; i++)
 	    scan_rtx (insn, recog_data.operand_loc[i],
@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
 		    OP_IN, 0);
 
 	  for (i = 0; i < recog_data.n_dups; i++)
-	    *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+	    *recog_data.dup_loc[i] = old_dups[i];
 	  for (i = 0; i < n_ops; i++)
 	    *recog_data.operand_loc[i] = old_operands[i];
 	  if (recog_data.n_dups)