mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-25 15:31:05 +00:00
67 lines
2.3 KiB
Diff
67 lines
2.3 KiB
Diff
|
See http://gcc.gnu.org/PR21173
|
||
|
|
This is a fix for a last minute brown-bag bug with gcc-4.0.0
|
||
|
|
|
||
|
|
------- Additional Comment #24 From CVS Commits 2005-04-25 14:03 [reply] -------
|
||
|
|
Subject: Bug 21173
|
||
|
|
|
||
|
|
CVSROOT: /cvs/gcc
|
||
|
|
Module name: gcc
|
||
|
|
Branch: gcc-4_0-branch
|
||
|
|
Changes by: dberlin@gcc.gnu.org 2005-04-25 14:02:38
|
||
|
|
|
||
|
|
Modified files:
|
||
|
|
gcc : ChangeLog tree-ssa-pre.c
|
||
|
|
|
||
|
|
Log message:
|
||
|
|
2005-04-25 Daniel Berlin <dberlin@dberlin.org>
|
||
|
|
|
||
|
|
Fix PR tree-optimization/21173
|
||
|
|
|
||
|
|
* tree-ssa-pre.c (create_expression_by_pieces): Call unshare_expr
|
||
|
|
on things we pass to force_gimple_operand. Don't try to special
|
||
|
|
case min_invariants.
|
||
|
|
|
||
|
|
Patches:
|
||
|
|
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
|
||
|
|
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
|
||
|
|
|
||
|
|
===================================================================
|
||
|
|
RCS file: /cvs/gcc/gcc/gcc/tree-ssa-pre.c,v
|
||
|
|
retrieving revision 2.65.4.2
|
||
|
|
retrieving revision 2.65.4.3
|
||
|
|
diff -u -r2.65.4.2 -r2.65.4.3
|
||
|
|
--- gcc/gcc/tree-ssa-pre.c 2005/04/17 23:40:31 2.65.4.2
|
||
|
|
+++ gcc/gcc/tree-ssa-pre.c 2005/04/25 14:02:31 2.65.4.3
|
||
|
|
@@ -1330,7 +1330,8 @@
|
||
|
|
|
||
|
|
folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr),
|
||
|
|
genop1, genop2));
|
||
|
|
- newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
|
||
|
|
+ newexpr = force_gimple_operand (unshare_expr (folded),
|
||
|
|
+ &forced_stmts, false, NULL);
|
||
|
|
if (forced_stmts)
|
||
|
|
{
|
||
|
|
tsi = tsi_start (forced_stmts);
|
||
|
|
@@ -1372,14 +1373,8 @@
|
||
|
|
add_referenced_tmp_var (temp);
|
||
|
|
folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr),
|
||
|
|
genop1));
|
||
|
|
- /* If the generated operand is already GIMPLE min_invariant
|
||
|
|
- just use it instead of calling force_gimple_operand on it,
|
||
|
|
- since that may make it not invariant by copying it into an
|
||
|
|
- assignment. */
|
||
|
|
- if (!is_gimple_min_invariant (genop1))
|
||
|
|
- newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
|
||
|
|
- else
|
||
|
|
- newexpr = genop1;
|
||
|
|
+ newexpr = force_gimple_operand (unshare_expr (folded),
|
||
|
|
+ &forced_stmts, false, NULL);
|
||
|
|
if (forced_stmts)
|
||
|
|
{
|
||
|
|
tsi = tsi_start (forced_stmts);
|
||
|
|
|
||
|
|
0K . 1.24 MB/s
|
||
|
|
|
||
|
|
13:16:54 (1.24 MB/s) - `-' saved [1303]
|
||
|
|
|