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add patches to fixes gcc 4.2.x bugs:

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- fix gcc ICE when compiling package/ath9k (closes: #3816)
   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37014
 - fix "undefined reference to `fmsub'" error on powerpc
   http://bugs.uclibc.org/view.php?id=1588


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12623 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico
2008-09-18 12:24:32 +00:00
parent ac1c761834
commit e55a04e2ce
9 changed files with 472 additions and 0 deletions
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76
toolchain/gcc/patches/4.2.1/951-bug_37014.patch Normal file
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@@ -0,0 +1,76 @@
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37014
--- a/gcc/dojump.c
+++ b/gcc/dojump.c
@@ -307,8 +307,6 @@
break;
}
- case TRUTH_ANDIF_EXPR:
- case TRUTH_ORIF_EXPR:
case COMPOUND_EXPR:
/* Lowered by gimplify.c. */
gcc_unreachable ();
@@ -518,6 +516,7 @@
if (BRANCH_COST >= 4 || TREE_SIDE_EFFECTS (TREE_OPERAND (exp, 1)))
goto normal;
+ case TRUTH_ANDIF_EXPR:
if (if_false_label == NULL_RTX)
{
drop_through_label = gen_label_rtx ();
@@ -538,6 +537,7 @@
if (BRANCH_COST >= 4 || TREE_SIDE_EFFECTS (TREE_OPERAND (exp, 1)))
goto normal;
+ case TRUTH_ORIF_EXPR:
if (if_true_label == NULL_RTX)
{
drop_through_label = gen_label_rtx ();
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8563,7 +8563,10 @@
/* If no set-flag instruction, must generate a conditional store
into a temporary variable. Drop through and handle this
like && and ||. */
-
+ /* Although TRUTH_{AND,OR}IF_EXPR aren't present in GIMPLE, they
+ are occassionally created by folding during expansion. */
+ case TRUTH_ANDIF_EXPR:
+ case TRUTH_ORIF_EXPR:
if (! ignore
&& (target == 0
|| modifier == EXPAND_STACK_PARM
@@ -8761,8 +8774,6 @@
case POSTDECREMENT_EXPR:
case LOOP_EXPR:
case EXIT_EXPR:
- case TRUTH_ANDIF_EXPR:
- case TRUTH_ORIF_EXPR:
/* Lowered by gimplify.c. */
gcc_unreachable ();
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20080812-1.c
@@ -0,0 +1,21 @@
+/* PR middle-end/37014 */
+
+void bar (signed char *);
+
+void
+foo (int x, int y)
+{
+ int i;
+ signed char a[123], b[123], c;
+ for (i = 0; i < 123; i++)
+ {
+ int e = y - x;
+ int d = e < 0 ? -e : e;
+ c = d < 75;
+ a[y] = c;
+ b[y] = c;
+ y--;
+ }
+ bar (b);
+ bar (a);
+}