SOURCES (GCC_4_1): gcc-pr26587.patch (NEW) - fix critical 4.1/4.2 ...
pluto
pluto at pld-linux.org
Tue Mar 7 17:14:04 CET 2006
Author: pluto Date: Tue Mar 7 16:14:02 2006 GMT
Module: SOURCES Tag: GCC_4_1
---- Log message:
- fix critical 4.1/4.2 regression.
strict aliasing incorrectly pre-loads an array element with loops.
---- Files affected:
SOURCES:
gcc-pr26587.patch (NONE -> 1.1.2.1) (NEW)
---- Diffs:
================================================================
Index: SOURCES/gcc-pr26587.patch
diff -u /dev/null SOURCES/gcc-pr26587.patch:1.1.2.1
--- /dev/null Tue Mar 7 17:14:02 2006
+++ SOURCES/gcc-pr26587.patch Tue Mar 7 17:13:56 2006
@@ -0,0 +1,12 @@
+--- gcc-4.1.0/gcc/tree-ssa-structalias.c.orig 2006-02-14 17:01:32.000000000 +0100
++++ gcc-4.1.0/gcc/tree-ssa-structalias.c 2006-03-07 17:11:16.637683250 +0100
+@@ -2837,7 +2837,8 @@
+ tree op0, op1;
+ struct constraint_expr base, offset;
+
+- if (TREE_CODE (expr) != PLUS_EXPR)
++ if (TREE_CODE (expr) != PLUS_EXPR
++ && TREE_CODE (expr) != MINUS_EXPR)
+ return false;
+
+ op0 = TREE_OPERAND (expr, 0);
================================================================
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