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gcc: do not emit references to _savegpr_* and _restgpr_* on powerpc, as they are tricky to deal with wrt. libgcc. they cannot be linked dynamically

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30814 3c298f89-4303-0410-b956-a3cf2f4a3e73
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nbd 2012-03-05 00:51:01 +00:00
parent 7485bf2113
commit 88093cf36c
1 changed files with 20 additions and 0 deletions
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20
toolchain/gcc/patches/4.6-linaro/870-ppc_no_crtsavres.patch Normal file
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@ -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