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


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12623 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 99 insertions, 0 deletions

diff --git a/toolchain/gcc/patches/4.2.1/920-soft-float.patch b/toolchain/gcc/patches/4.2.1/920-soft-float.patch
new file mode 100644
index 0000000000..a753fccfb7
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.1/920-soft-float.patch
@@ -0,0 +1,23 @@
+http://bugs.uclibc.org/view.php?id=1588
+
+diff -uNpr gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c
+--- gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c	2007-03-05 11:54:00.000000000 -0500
++++ gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c	2008-01-31 17:51:24.000000000 -0500
+@@ -70,6 +70,8 @@ Software Foundation, 51 Franklin Street,
+    but GCC currently generates poor code when a union is used to turn
+    a long double into a pair of doubles.  */
+ 
++#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
++
+ long double __gcc_qadd (double, double, double, double);
+ long double __gcc_qsub (double, double, double, double);
+ long double __gcc_qmul (double, double, double, double);
+@@ -219,8 +221,6 @@ __gcc_qdiv (double a, double b, double c
+   return z.ldval;
+ }
+ 
+-#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
+-
+ long double __gcc_qneg (double, double);
+ int __gcc_qeq (double, double, double, double);
+ int __gcc_qne (double, double, double, double);
diff --git a/toolchain/gcc/patches/4.2.1/951-bug_37014.patch b/toolchain/gcc/patches/4.2.1/951-bug_37014.patch
new file mode 100644
index 0000000000..6bd45eeeda
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.1/951-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
+@@ -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);
++}