* simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.

From-SVN: r42202

* simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
From-SVN: r42202
07b53149 · Jan Hubicka · Jan Hubicka · e18748c0 · 07b53149 · 07b53149
Commit 07b53149 authored May 17, 2001 by Jan Hubicka Committed by Jan Hubicka May 17, 2001
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gcc/ChangeLog
+4 -0

gcc/simplify-rtx.c
+3 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+	* simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
+
 2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

 	* gccbug.in (CATEGORIES): Add "bootstrap".

--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -2332,11 +2332,12 @@ simplify_subreg (outermode, op, innermode, byte)
 	}

      /* Recurse for futher possible simplifications.  */
-      new = simplify_subreg (outermode, op, GET_MODE (op),
+      new = simplify_subreg (outermode, SUBREG_REG (op),
+			     GET_MODE (SUBREG_REG (op)),
 			     final_offset);
      if (new)
 	return new;
-      return gen_rtx_SUBREG (outermode, op, final_offset);
+      return gen_rtx_SUBREG (outermode, SUBREG_REG (op), final_offset);
    }

  /* SUBREG of a hard register => just change the register number