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authorFelix Fietkau <nbd@openwrt.org>2009-10-10 19:25:48 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-10-10 19:25:48 +0000
commit215ccb66e6abdaed0a41582d6b8c40ffa340eea7 (patch)
treee8ecd7ecc708bda6515831abaffbcb8d9ee65d5f /toolchain/gcc/patches/llvm/951-bug_37014.patch
parentb49cdabd4ae2c0239dc12eda5e1b7a21b9c2e5dc (diff)
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gcc: add llvm-gcc and llvm from trunk (does not successfully compile a target yet, but gets close)
SVN-Revision: 18019
Diffstat (limited to 'toolchain/gcc/patches/llvm/951-bug_37014.patch')
-rw-r--r--toolchain/gcc/patches/llvm/951-bug_37014.patch76
1 files changed, 76 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/llvm/951-bug_37014.patch b/toolchain/gcc/patches/llvm/951-bug_37014.patch
new file mode 100644
index 0000000..9f8aaf7
--- /dev/null
+++ b/toolchain/gcc/patches/llvm/951-bug_37014.patch
@@ -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 @@ do_jump (tree exp, rtx if_false_label, r
+ break;
+ }
+
+- case TRUTH_ANDIF_EXPR:
+- case TRUTH_ORIF_EXPR:
+ case COMPOUND_EXPR:
+ /* Lowered by gimplify.c. */
+ gcc_unreachable ();
+@@ -518,6 +516,7 @@ do_jump (tree exp, rtx if_false_label, r
+ 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 @@ do_jump (tree exp, rtx if_false_label, r
+ 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
+@@ -8634,7 +8634,10 @@ expand_expr_real_1 (tree exp, rtx target
+ /* 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
+@@ -8832,8 +8835,6 @@ expand_expr_real_1 (tree exp, rtx target
+ 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);
++}