On Mon, Jun 17, 2019 at 2:49 AM Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > > This Makefile repeats very similar rules. > > Let's use pattern rules. $(UNROLL) can be replaced with $*. > > No intended change in behavior. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > --- Applied to linux-kbuild. > > lib/raid6/Makefile | 97 ++++++---------------------------------------- > 1 file changed, 11 insertions(+), 86 deletions(-) > > diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile > index 74004037033f..42695bc8d451 100644 > --- a/lib/raid6/Makefile > +++ b/lib/raid6/Makefile > @@ -12,9 +12,6 @@ raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o > > hostprogs-y += mktables > > -quiet_cmd_unroll = UNROLL $@ > - cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) < $< > $@ > - > ifeq ($(CONFIG_ALTIVEC),y) > altivec_flags := -maltivec $(call cc-option,-mabi=altivec) > > @@ -50,111 +47,39 @@ CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only > endif > endif > > -targets += int1.c > -$(obj)/int1.c: UNROLL := 1 > -$(obj)/int1.c: $(src)/int.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > -targets += int2.c > -$(obj)/int2.c: UNROLL := 2 > -$(obj)/int2.c: $(src)/int.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > -targets += int4.c > -$(obj)/int4.c: UNROLL := 4 > -$(obj)/int4.c: $(src)/int.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > -targets += int8.c > -$(obj)/int8.c: UNROLL := 8 > -$(obj)/int8.c: $(src)/int.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > -targets += int16.c > -$(obj)/int16.c: UNROLL := 16 > -$(obj)/int16.c: $(src)/int.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > +quiet_cmd_unroll = UNROLL $@ > + cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$* < $< > $@ > > -targets += int32.c > -$(obj)/int32.c: UNROLL := 32 > -$(obj)/int32.c: $(src)/int.uc $(src)/unroll.awk FORCE > +targets += int1.c int2.c int4.c int8.c int16.c int32.c > +$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE > $(call if_changed,unroll) > > CFLAGS_altivec1.o += $(altivec_flags) > -targets += altivec1.c > -$(obj)/altivec1.c: UNROLL := 1 > -$(obj)/altivec1.c: $(src)/altivec.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_altivec2.o += $(altivec_flags) > -targets += altivec2.c > -$(obj)/altivec2.c: UNROLL := 2 > -$(obj)/altivec2.c: $(src)/altivec.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_altivec4.o += $(altivec_flags) > -targets += altivec4.c > -$(obj)/altivec4.c: UNROLL := 4 > -$(obj)/altivec4.c: $(src)/altivec.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_altivec8.o += $(altivec_flags) > -targets += altivec8.c > -$(obj)/altivec8.c: UNROLL := 8 > -$(obj)/altivec8.c: $(src)/altivec.uc $(src)/unroll.awk FORCE > +targets += altivec1.c altivec2.c altivec4.c altivec8.c > +$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE > $(call if_changed,unroll) > > CFLAGS_vpermxor1.o += $(altivec_flags) > -targets += vpermxor1.c > -$(obj)/vpermxor1.c: UNROLL := 1 > -$(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_vpermxor2.o += $(altivec_flags) > -targets += vpermxor2.c > -$(obj)/vpermxor2.c: UNROLL := 2 > -$(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_vpermxor4.o += $(altivec_flags) > -targets += vpermxor4.c > -$(obj)/vpermxor4.c: UNROLL := 4 > -$(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_vpermxor8.o += $(altivec_flags) > -targets += vpermxor8.c > -$(obj)/vpermxor8.c: UNROLL := 8 > -$(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE > +targets += vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o > +$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE > $(call if_changed,unroll) > > CFLAGS_neon1.o += $(NEON_FLAGS) > -targets += neon1.c > -$(obj)/neon1.c: UNROLL := 1 > -$(obj)/neon1.c: $(src)/neon.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_neon2.o += $(NEON_FLAGS) > -targets += neon2.c > -$(obj)/neon2.c: UNROLL := 2 > -$(obj)/neon2.c: $(src)/neon.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_neon4.o += $(NEON_FLAGS) > -targets += neon4.c > -$(obj)/neon4.c: UNROLL := 4 > -$(obj)/neon4.c: $(src)/neon.uc $(src)/unroll.awk FORCE > - $(call if_changed,unroll) > - > CFLAGS_neon8.o += $(NEON_FLAGS) > -targets += neon8.c > -$(obj)/neon8.c: UNROLL := 8 > -$(obj)/neon8.c: $(src)/neon.uc $(src)/unroll.awk FORCE > +targets += neon1.c neon2.c neon4.c neon8.c > +$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE > $(call if_changed,unroll) > > targets += s390vx8.c > -$(obj)/s390vx8.c: UNROLL := 8 > -$(obj)/s390vx8.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE > +$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE > $(call if_changed,unroll) > > quiet_cmd_mktable = TABLE $@ > -- > 2.17.1 > -- Best Regards Masahiro Yamada
