Move powerpc specific optimizations (courtesy of apple) to powerpc

subdir.  Put together a theoretical framework for adding arch specific
optimizations.  Havn't tried this yet but it looks correct...
 -Erik

1 files changed, 60 insertions, 0 deletions

diff --git a/libm/powerpc/Makefile b/libm/powerpc/Makefile
new file mode 100644
index 000000000..7464ee0a8
--- /dev/null
+++ b/libm/powerpc/Makefile
@@ -0,0 +1,60 @@
+# Makefile for uClibc's math library
+# Copyright (C) 2001 by Lineo, inc.
+#
+# This math library is derived primarily from the Cephes Math Library,
+# copyright by Stephen L. Moshier <moshier@world.std.com>
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Library General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+TOPDIR=../../
+include $(TOPDIR)Rules.mak
+
+LIBM=../libm.a
+TARGET_CC= $(TOPDIR)extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc
+TARGET_CFLAGS+=-D_IEEE_LIBM -D_ISOC99_SOURCE -D_SVID_SOURCE
+
+ifeq ($(strip $(DO_C99_MATH)),true)
+CSRC =   ceilfloor.c  frexpldexp.c  logb.c  rndint.c  scalb.c  sign.c
+else
+CSRC =
+endif
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+OBJS=$(COBJS)
+
+
+ifneq ($(strip $(HAS_FLOATING_POINT)),true)
+all:  clean
+else
+all: $(OBJS) $(LIBM)
+endif
+
+$(LIBM): ar-target
+
+ar-target: $(OBJS)
+	$(AR) $(ARFLAGS) $(LIBM) $(OBJS)
+
+$(COBJS): %.o : %.c
+	$(TARGET_CC) $(TARGET_CFLAGS) -c $< -o $@
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
+$(OBJ): Makefile
+
+tags:
+	ctags -R
+
+clean: 
+	rm -f *.[oa] *~ core $(LIBM_SHARED)* $(LIBM_SHARED_FULLNAME)*
+