From: Aldy Hernandez <aldyh@redhat.com>
Date: Mon, 4 Nov 2002 18:39:45 +0000 (+0000)
Subject: backport: re PR other/8451 (altivec ice in gcc 3.2)
X-Git-Tag: releases/gcc-3.2.1~64
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2800a7ac600717e9044dacb7806e193042bdd55;p=thirdparty%2Fgcc.git

backport: re PR other/8451 (altivec ice in gcc 3.2)

2002-11-04  Aldy Hernandez  <aldyh@redhat.com>

        Backport patch to fix PR c/8451.

        2002-04-25  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_bit_field): Fall through to generic code rather
        than aborting on subreg special case.

From-SVN: r58796
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 324a0dbc37ee..b1b7fa4a385f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2002-11-04  Aldy Hernandez  <aldyh@redhat.com>
+
+        Backport patch to fix PR c/8451.
+
+        2002-04-25  Richard Henderson  <rth@redhat.com>
+
+        * expmed.c (extract_bit_field): Fall through to generic code rather
+        than aborting on subreg special case.
+
 2002-11-01  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/8391
diff --git a/gcc/expmed.c b/gcc/expmed.c
index ab127ec6043c..ce893353aa04 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -1144,7 +1144,7 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp,
 		/* Else we've got some float mode source being extracted into
 		   a different float mode destination -- this combination of
 		   subregs results in Severe Tire Damage.  */
-		abort ();
+		goto no_subreg_mode_swap;
 	    }
 	  if (GET_CODE (op0) == REG)
 	    op0 = gen_rtx_SUBREG (mode1, op0, byte_offset);
@@ -1155,6 +1155,7 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp,
 	return convert_to_mode (tmode, op0, unsignedp);
       return op0;
     }
+ no_subreg_mode_swap:
 
   /* Handle fields bigger than a word.  */