* genextract.c (main): Set ro_loc for peepholes.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47308 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 8 insertions, 2 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d5ca26c35d9..1043d2d84d1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-24  Hans-Peter Nilsson  <hp@axis.com>
+
+	* genextract.c (main): Set ro_loc for peepholes.
+
 Sat Nov 24 17:04:10 2001  Douglas B. Rupp  <rupp@gnat.com>
 
 	* fix-header.c (main): Move inf_buffer termination and inf_limit
diff --git a/gcc/genextract.c b/gcc/genextract.c
index 7c111368c03..ae77ac9ba7b 100644
--- a/gcc/genextract.c
+++ b/gcc/genextract.c
@@ -434,9 +434,11 @@ from the machine description file `md'.  */\n\n");
 
       /* The vector in the insn says how many operands it has.
 	 And all it contains are operands.  In fact, the vector was
-	 created just for the sake of this function.  */
+	 created just for the sake of this function.  We need to set the
+	 location of the operands for sake of simplifications after
+	 extraction, like eliminating subregs.  */
       printf ("      for (i = XVECLEN (pat, 0) - 1; i >= 0; i--)\n");
-      printf ("          ro[i] = XVECEXP (pat, 0, i);\n");
+      printf ("          ro[i] = *(ro_loc[i] = &XVECEXP (pat, 0, i));\n");
       printf ("      break;\n\n");
     }