combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes.

* combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes. From-SVN: r141096

combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes.
* combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes. From-SVN: r141096
f27017d1 · Joseph Myers · Joseph Myers · bca60f4c · f27017d1 · f27017d1
Commit f27017d1 authored Oct 13, 2008 by Joseph Myers Committed by Joseph Myers Oct 13, 2008
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gcc/combine.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2008-10-13  Joseph Myers  <joseph@codesourcery.com>
+
+	* combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on
+	non-integer modes.
+
 2008-10-13  Matthias Klose  <doko@ubuntu.com>

 	* gcc/config/pa/linux-atomic.c: Work around missing header file

--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -5843,6 +5843,7 @@ simplify_set (rtx x)
     zero_extend to avoid the reload that would otherwise be required.  */

  if (GET_CODE (src) == SUBREG && subreg_lowpart_p (src)
+      && INTEGRAL_MODE_P (GET_MODE (SUBREG_REG (src)))
      && LOAD_EXTEND_OP (GET_MODE (SUBREG_REG (src))) != UNKNOWN
      && SUBREG_BYTE (src) == 0
      && (GET_MODE_SIZE (GET_MODE (src))