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combine.c (subst): Also handle (subreg (const_double ...)) case if created by a substitution...

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* combine.c (subst): Also handle (subreg (const_double ...)) case
	if created by a substitution, by using the original inner mode.

From-SVN: r69476
This commit is contained in:
Roger Sayle 2003-07-16 19:36:38 +00:00 committed by Roger Sayle
parent d41ba56fc4
commit cc8c96fd6d
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-07-16 Roger Sayle <roger@eyesopen.com>
* combine.c (subst): Also handle (subreg (const_double ...)) case
if created by a substitution, by using the original inner mode.
2003-07-16 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_replace_rtx): Convert constant comparisons

4
gcc/combine.c
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@ -3476,7 +3476,9 @@ subst (rtx x, rtx from, rtx to, int in_dest, int unique_copy)
if (GET_CODE (new) == CLOBBER && XEXP (new, 0) == const0_rtx)
return new;
if (GET_CODE (new) == CONST_INT && GET_CODE (x) == SUBREG)
if (GET_CODE (x) == SUBREG
&& (GET_CODE (new) == CONST_INT
|| GET_CODE (new) == CONST_DOUBLE))
{
enum machine_mode mode = GET_MODE (x);