From: mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 21 Oct 2011 02:14:32 +0000 (+0000)
Subject: 	* regcprop.c (copyprop_hardreg_forward_1): Update recog_data
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=cc7416ffe6c21a7899667089d795f3f49b4b46e7

	* regcprop.c (copyprop_hardreg_forward_1): Update recog_data
	after validate_change wipes it out.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180284 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3b5fc23e906..a76979d8f75 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-20  Mike Stump  <mikestump@comcast.net>
+
+	* regcprop.c (copyprop_hardreg_forward_1): Update recog_data
+	after validate_change wipes it out.
+
 2011-10-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
 	* config/spu/spu.md ("vec_permv16qi"): Reduce selector modulo 32
diff --git a/gcc/regcprop.c b/gcc/regcprop.c
index aca005d7afd..ad92a64cc29 100644
--- a/gcc/regcprop.c
+++ b/gcc/regcprop.c
@@ -840,6 +840,12 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 		  changed = true;
 		  goto did_replacement;
 		}
+	      /* We need to re-extract as validate_change clobbers
+		 recog_data.  */
+	      extract_insn (insn);
+	      if (! constrain_operands (1))
+		fatal_insn_not_found (insn);
+	      preprocess_constraints ();
 	    }
 
 	  /* Otherwise, try all valid registers and see if its valid.  */
@@ -862,6 +868,12 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 		      changed = true;
 		      goto did_replacement;
 		    }
+		  /* We need to re-extract as validate_change clobbers
+		     recog_data.  */
+		  extract_insn (insn);
+		  if (! constrain_operands (1))
+		    fatal_insn_not_found (insn);
+		  preprocess_constraints ();
 		}
 	    }
 	}