combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes.

* combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes. From-SVN: r56804

combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes.
* combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes. From-SVN: r56804
b10f2187 · J"orn Rennecke · Joern Rennecke · 478c9e72 · b10f2187 · b10f2187
Commit b10f2187 authored Sep 04, 2002 by J"orn Rennecke Committed by Joern Rennecke Sep 04, 2002
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gcc/ChangeLog
+5 -0

gcc/combine.c
+5 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Wed Sep  4 18:48:10 2002  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* combine.c (make_compound_operation): Don't generate zero / sign
+	extensions in floating point modes.
+
 2002-09-04  Janis Johnson  <janis187@us.ibm.com>

 	* doc/c-tree.texi: Fix overfull hboxes.

--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -6629,7 +6629,11 @@ make_compound_operation (x, in_code)
 	  if (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (tem))
 	      || (GET_MODE_SIZE (mode) >
 		  GET_MODE_SIZE (GET_MODE (XEXP (tem, 0)))))
-	    tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0));
+	    {
+	      if (! INTEGRAL_MODE_P (mode))
+		break;
+	      tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0));
+	    }
 	  else
 	    tem = gen_lowpart_for_combine (mode, XEXP (tem, 0));
 	  return tem;