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diff gcc/simplify-rtx.c @ 36:855418dad1a3

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gcc-4.4-20091020
author e075725
date Tue, 22 Dec 2009 21:19:31 +0900
parents a06113de4d67
children 3bfb6c00c1e0
line wrap: on
line diff
--- a/gcc/simplify-rtx.c	Thu Sep 24 13:21:57 2009 +0900
+++ b/gcc/simplify-rtx.c	Tue Dec 22 21:19:31 2009 +0900
@@ -2009,6 +2009,7 @@
       /* x*2 is x+x and x*(-1) is -x */
       if (GET_CODE (trueop1) == CONST_DOUBLE
 	  && SCALAR_FLOAT_MODE_P (GET_MODE (trueop1))
+	  && !DECIMAL_FLOAT_MODE_P (GET_MODE (trueop1))
 	  && GET_MODE (op0) == mode)
 	{
 	  REAL_VALUE_TYPE d;
@@ -5243,6 +5244,7 @@
       && GET_MODE_BITSIZE (innermode) >= (2 * GET_MODE_BITSIZE (outermode))
       && GET_CODE (XEXP (op, 1)) == CONST_INT
       && (INTVAL (XEXP (op, 1)) & (GET_MODE_BITSIZE (outermode) - 1)) == 0
+      && INTVAL (XEXP (op, 1)) >= 0
       && INTVAL (XEXP (op, 1)) < GET_MODE_BITSIZE (innermode)      
       && byte == subreg_lowpart_offset (outermode, innermode))
     {