gcc: do not emit references to _savegpr_* and _restgpr_* on powerpc, as they are...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30814 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/toolchain/gcc/patches/4.6-linaro/870-ppc_no_crtsavres.patch b/toolchain/gcc/patches/4.6-linaro/870-ppc_no_crtsavres.patch
new file mode 100644 (file)
index 0000000..8747743
--- /dev/null
+++ b/toolchain/gcc/patches/4.6-linaro/870-ppc_no_crtsavres.patch
@@ -0,0 +1,20 @@
+--- a/gcc/config/rs6000/sysv4.h
++++ b/gcc/config/rs6000/sysv4.h
+@@ -248,13 +248,13 @@
+ 
+ /* Define cutoff for using external functions to save floating point.
+    When optimizing for size, use external functions when profitable.  */
+-#define FP_SAVE_INLINE(FIRST_REG) (optimize_size                      \
++#define FP_SAVE_INLINE(FIRST_REG) (1 || (optimize_size                        \
+                                  ? ((FIRST_REG) == 62                 \
+                                     || (FIRST_REG) == 63)             \
+-                                 : (FIRST_REG) < 64)
++                                 : (FIRST_REG) < 64))
+ /* And similarly for general purpose registers.  */
+-#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32   \
+-                                 && !optimize_size)
++#define GP_SAVE_INLINE(FIRST_REG) (1 || ((FIRST_REG) < 32     \
++                                 && !optimize_size))
+ 
+ /* Put jump tables in read-only memory, rather than in .text.  */
+ #define JUMP_TABLES_IN_TEXT_SECTION 0