[Help-smalltalk] [PATCH 1/4] embedded: Use more registers on ARM as there are plenty and reduce the alignment

[Holger Hans Peter Freyther]

2013-04-25  Holger Hans Peter Freyther  <address@hidden>

        * libgst/md-config.h: Add cases for the ARM architecture.
---
 libgst/ChangeLog   |    4 ++++
 libgst/md-config.h |   10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/libgst/ChangeLog b/libgst/ChangeLog
index 9cf1626..4abaa9a 100644
--- a/libgst/ChangeLog
+++ b/libgst/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-25  Holger Hans Peter Freyther  <address@hidden>
+
+       * libgst/md-config.h: Add cases for the ARM architecture.
+
 2013-04-28  Holger Hans Peter Freyther  <address@hidden>
 
        * libgst/cint.c: Bind link, fsync, sync for additional C level access.
diff --git a/libgst/md-config.h b/libgst/md-config.h
index 260cac0..862fdfd 100644
--- a/libgst/md-config.h
+++ b/libgst/md-config.h
@@ -66,6 +66,16 @@
 # define __DECL_REG3 __asm("%l2")
 #endif
 
+#if defined(__arm__)
+/* We have plenty of registers on ARM but do not enable pipeline */
+# define REG_AVAILABILITY 2
+# define __DECL_REG1 __asm("r4")
+# define __DECL_REG2 __asm("r5")
+# define __DECL_REG3 __asm("r6")
+# define BRANCH_REGISTER(name) register void *name __asm("r7")
+# define L1_CACHE_SHIFT 4
+#endif
+
 #if !defined(__DECL_REG1) && defined(__alpha__)
 # define REG_AVAILABILITY 2
 /* Note: REG3 causes compile problems when trying to fit 64-bit stuff in
-- 
1.7.10.4