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# -*- makefile -*-
#
# arch/alpha/Makefile.inc
#
# Special rules for this architecture. Note that this is actually
# included from the main Makefile, and that pathnames should be
# accordingly.
#
always := crt0.o
targets := crt0.o
klib-y := pipe.o sigaction.o setjmp.o sigreturn.o syscall.o sysdual.o
# Special CFLAGS for the divide code
DIVCFLAGS = $(KLIBCREQFLAGS) $(KLIBCARCHREQFLAGS) \
-O3 -fomit-frame-pointer -fcall-saved-1 -fcall-saved-2 \
-fcall-saved-3 -fcall-saved-4 -fcall-saved-5 -fcall-saved-6 \
-fcall-saved-7 -fcall-saved-8 -ffixed-15 -fcall-saved-16 \
-fcall-saved-17 -fcall-saved-18 -fcall-saved-19 -fcall-saved-20 \
-fcall-saved-21 -fcall-saved-22 -ffixed-23 -fcall-saved-24 \
-ffixed-25 -ffixed-27
div-objs := __divqu.o __remqu.o __divq.o __remq.o
div-objs += __divlu.o __remlu.o __divl.o __reml.o
klib-y += $(div-objs)
quiet_cmd_regswap = REGSWAP $@
cmd_regswap = sed -e 's/\$$0\b/$$27/g' -e 's/\$$24\b/$$99/g' \
-e 's/\$$16\b/$$24/g' -e 's/\$$17\b/$$25/g' \
-e 's/\$$26\b/$$23/g' -e 's/\$$99\b/$$16/g' < $< > $@
# Use static pattern rule to avoid using a temporary file
$(addprefix $(obj)/,$(div-objs:.o=.S)): $(obj)/%.S: $(obj)/%.ss
$(call if_changed,regswap)
quiet_cmd_genss = DIV-CC $@
cmd_genss = $(CC) $(DIVCFLAGS) $(FILE_CFLAGS) \
$(call flags,KLIBCCPPFLAGS) \
-DNAME=$(basename $(notdir $@)) -S -o $@ $<
$(obj)/%.ss: $(obj)/divide.c
$(call if_changed,genss)
$(obj)/__divqu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=0 -DBITS=64
$(obj)/__remqu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=1 -DBITS=64
$(obj)/__divq.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=0 -DBITS=64
$(obj)/__remq.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=1 -DBITS=64
$(obj)/__divlu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=0 -DBITS=32
$(obj)/__remlu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=1 -DBITS=32
$(obj)/__divl.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=0 -DBITS=32
$(obj)/__reml.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=1 -DBITS=32
targets += $(div-objs:.o=.S) $(div-objs:.o=.ss)
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