MIPS64 defaults to n32 ABI, this patch makes it
so that it defaults to N64 ABI

Upstream-Status: Inappropriate [OE config specific]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Index: gcc-4_6-branch/gcc/config.gcc
===================================================================
--- gcc-4_6-branch.orig/gcc/config.gcc	2012-04-22 19:12:12.431061229 -0700
+++ gcc-4_6-branch/gcc/config.gcc	2012-04-22 19:13:36.307065289 -0700
@@ -1882,7 +1882,7 @@
 mips64*-*-linux* | mipsisa64*-*-linux*)
 	tm_file="dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} mips/linux.h mips/linux64.h"
 	tmake_file="${tmake_file} mips/t-linux64 mips/t-libgcc-mips16"
-	tm_defines="${tm_defines} MIPS_ABI_DEFAULT=ABI_N32"
+	tm_defines="${tm_defines} MIPS_ABI_DEFAULT=ABI_64"
 	case ${target} in
 		mips64el-st-linux-gnu)
 			tm_file="${tm_file} mips/st.h"
Index: gcc-4_6-branch/gcc/config/mips/linux64.h
===================================================================
--- gcc-4_6-branch.orig/gcc/config/mips/linux64.h	2012-04-22 19:10:59.743057711 -0700
+++ gcc-4_6-branch/gcc/config/mips/linux64.h	2012-04-22 19:11:56.919060479 -0700
@@ -26,7 +26,7 @@
   BASE_DRIVER_SELF_SPECS, \
   LINUX_DRIVER_SELF_SPECS \
   " %{!EB:%{!EL:%(endian_spec)}}" \
-  " %{!mabi=*: -mabi=n32}"
+  " %{!mabi=*: -mabi=64}"
 
 #undef LIB_SPEC
 #define LIB_SPEC "\