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authorWolfgang Denk <wd@denx.de>2008-02-14 22:43:22 +0100
committerWolfgang Denk <wd@denx.de>2008-02-14 22:43:22 +0100
commite7670f6c1e52ae6d2a43ff75a8bcfa7a5c86e47b (patch)
treec105ae64bb203f93e670ef11b3256a4a3086c0ad /cpu/mpc512x
parent3c234efa693bc59906c2be55c7918ecbb55392ea (diff)
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PPC: Use r2 instead of r29 as global data pointer
R29 was an unlucky choice as with recent toolchains (gcc-4.2.x) gcc will refuse to use load/store multiple insns; instead, it issues a list of simple load/store instructions upon function entry and exit, resulting in bigger code size, which in turn makes the build for a few boards fail. Use r2 instead. Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'cpu/mpc512x')
-rw-r--r--cpu/mpc512x/config.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/cpu/mpc512x/config.mk b/cpu/mpc512x/config.mk
index 8a07c5a..5b7e1f2 100644
--- a/cpu/mpc512x/config.mk
+++ b/cpu/mpc512x/config.mk
@@ -22,4 +22,4 @@
PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
PLATFORM_CPPFLAGS += -DCONFIG_MPC512X -DCONFIG_E300 \
- -ffixed-r2 -ffixed-r29 -msoft-float -mcpu=603e
+ -ffixed-r2 -msoft-float -mcpu=603e