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| author | Nicolas Thill <nico@openwrt.org> | 2008-09-18 12:24:32 +0000 |
|---|---|---|
| committer | Nicolas Thill <nico@openwrt.org> | 2008-09-18 12:24:32 +0000 |
| commit | 40f6992324064e38b538ee55b405ecb77042c85d (patch) | |
| tree | bd24d0c61116a3c927dfc68348fd7f0e66e76325 /toolchain/gcc/patches/4.2.2/951-bug_37014.patch | |
| parent | a43e2d5ac682241b9e8583284350f5f434def199 (diff) | |
| download | upstream-40f6992324064e38b538ee55b405ecb77042c85d.tar.gz upstream-40f6992324064e38b538ee55b405ecb77042c85d.tar.bz2 upstream-40f6992324064e38b538ee55b405ecb77042c85d.zip | |
add patches to fixes gcc 4.2.x bugs: - 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
SVN-Revision: 12623
Diffstat (limited to 'toolchain/gcc/patches/4.2.2/951-bug_37014.patch')
| -rw-r--r-- | toolchain/gcc/patches/4.2.2/951-bug_37014.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.2.2/951-bug_37014.patch b/toolchain/gcc/patches/4.2.2/951-bug_37014.patch new file mode 100644 index 0000000000..2b015fcba3 --- /dev/null +++ b/toolchain/gcc/patches/4.2.2/951-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 @@ + 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 +@@ -8514,7 +8514,10 @@ + /* 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 +@@ -8712,8 +8725,6 @@ + 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); ++} |