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re PR rtl-optimization/18420 (ICE compiling mesa at -O2) 

PR rtl-optimization/18420
	* simplify-rtx.c (simplify_gen_subreg): Revert 2004-10-28 change.

From-SVN: r91419
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Ulrich Weigand 2004-11-28 13:02:52 +00:00 committed by Ulrich Weigand
parent 6e1037da47
commit fbee756399
2 changed files with 6 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-11-28 Ulrich Weigand <uweigand@de.ibm.com>
PR rtl-optimization/18420
* simplify-rtx.c (simplify_gen_subreg): Revert 2004-10-28 change.
2004-11-28 Steven Bosscher <stevenb@suse.de>
John David Anglin <dave.anglin@nrc-cnrc.gc.ca>

3
gcc/simplify-rtx.c
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@ -3782,8 +3782,7 @@ simplify_gen_subreg (enum machine_mode outermode, rtx op,
if (newx)
return newx;
if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode
|| (REG_P (op) && REGNO (op) < FIRST_PSEUDO_REGISTER))
if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode)
return NULL_RTX;
if (validate_subreg (outermode, innermode, op, byte))