1.1 --- a/patches/gcc/4.0.0/140-pr21173-fix.patch	Wed Oct 28 12:03:38 2009 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,66 +0,0 @@
     1.4 -See http://gcc.gnu.org/PR21173
     1.5 -This is a fix for a last minute brown-bag bug with gcc-4.0.0
     1.6 -
     1.7 - ------- Additional Comment #24 From CVS Commits 2005-04-25 14:03 [reply] ------- 
     1.8 -Subject: Bug 21173
     1.9 -
    1.10 -CVSROOT:        /cvs/gcc
    1.11 -Module name:    gcc
    1.12 -Branch:         gcc-4_0-branch
    1.13 -Changes by:     dberlin@gcc.gnu.org     2005-04-25 14:02:38
    1.14 -
    1.15 -Modified files:
    1.16 -        gcc            : ChangeLog tree-ssa-pre.c 
    1.17 -
    1.18 -Log message:
    1.19 -        2005-04-25  Daniel Berlin  <dberlin@dberlin.org>
    1.20 -        
    1.21 -        Fix PR tree-optimization/21173
    1.22 -        
    1.23 -        * tree-ssa-pre.c (create_expression_by_pieces): Call unshare_expr
    1.24 -        on things we pass to force_gimple_operand.  Don't try to special
    1.25 -        case min_invariants.
    1.26 -
    1.27 -Patches:
    1.28 -http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.192&r2=2.7592.2.193
    1.29 -http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-pre.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.65.4.2&r2=2.65.4.3
    1.30 -
    1.31 -===================================================================
    1.32 -RCS file: /cvs/gcc/gcc/gcc/tree-ssa-pre.c,v
    1.33 -retrieving revision 2.65.4.2
    1.34 -retrieving revision 2.65.4.3
    1.35 -diff -u -r2.65.4.2 -r2.65.4.3
    1.36 ---- gcc/gcc/tree-ssa-pre.c	2005/04/17 23:40:31	2.65.4.2
    1.37 -+++ gcc/gcc/tree-ssa-pre.c	2005/04/25 14:02:31	2.65.4.3
    1.38 -@@ -1330,7 +1330,8 @@
    1.39 - 	
    1.40 - 	folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr), 
    1.41 - 			      genop1, genop2));
    1.42 --	newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
    1.43 -+	newexpr = force_gimple_operand (unshare_expr (folded), 
    1.44 -+					&forced_stmts, false, NULL);
    1.45 - 	if (forced_stmts)
    1.46 - 	  {
    1.47 - 	    tsi = tsi_start (forced_stmts);
    1.48 -@@ -1372,14 +1373,8 @@
    1.49 - 	add_referenced_tmp_var (temp);
    1.50 - 	folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr), 
    1.51 - 			      genop1));
    1.52 --	/* If the generated operand  is already GIMPLE min_invariant
    1.53 --	   just use it instead of calling force_gimple_operand on it,
    1.54 --	   since that may make it not invariant by copying it into an
    1.55 --	   assignment.  */
    1.56 --	if (!is_gimple_min_invariant (genop1))
    1.57 --	  newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
    1.58 --	else
    1.59 --	  newexpr = genop1;
    1.60 -+	newexpr = force_gimple_operand (unshare_expr (folded), 
    1.61 -+					&forced_stmts, false, NULL);
    1.62 - 	if (forced_stmts)
    1.63 - 	  {
    1.64 - 	    tsi = tsi_start (forced_stmts);
    1.65 -
    1.66 -    0K .                                                         1.24 MB/s
    1.67 -
    1.68 -13:16:54 (1.24 MB/s) - `-' saved [1303]
    1.69 -