From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Sun, 28 Nov 2004 13:02:52 +0000 (+0000)
Subject: re PR rtl-optimization/18420 (ICE compiling mesa at -O2)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fbee756399a9efa24d5f629a7236fa59251d0d04;hp=6e1037da47efab9181d14cd9945294fcbb1e5dd6;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bd956c4057e..3a758063001 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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>
 
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 52c0cffb87b..75bf42afbd4 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -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))