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lib/raid6: build proper files on corresponding arch

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sse and avx2 stuff only exist on x86 arch, and we don't need to build
altivec on x86. And we can do that at lib/raid6/Makefile.

Proposed-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Yuanhan Liu 2012-11-30 13:10:40 -08:00 committed by NeilBrown
parent 2c935842bd
commit 4f8c55c5ad
8 changed files with 28 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/raid6/Makefile
View File

@ -1,8 +1,11 @@
obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
raid6_pq-y += algos.o recov.o recov_ssse3.o recov_avx2.o tables.o int1.o int2.o int4.o \
int8.o int16.o int32.o altivec1.o altivec2.o altivec4.o \
altivec8.o mmx.o sse1.o sse2.o avx2.o
raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
int8.o int16.o int32.o
raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o
raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o
hostprogs-y += mktables
quiet_cmd_unroll = UNROLL $@

3
lib/raid6/altivec.uc
View File

@ -24,13 +24,10 @@
#include <linux/raid/pq.h>
#ifdef CONFIG_ALTIVEC
#include <altivec.h>
#ifdef __KERNEL__
# include <asm/cputable.h>
# include <asm/switch_to.h>
#endif
/*
* This is the C data type to use. We use a vector of

2
lib/raid6/mmx.c
View File

@ -16,7 +16,7 @@
* MMX implementation of RAID-6 syndrome functions
*/
#if defined(__i386__) && !defined(__arch_um__)
#ifdef CONFIG_X86_32
#include <linux/raid/pq.h>
#include "x86.h"

4
lib/raid6/recov_avx2.c
View File

@ -8,8 +8,6 @@
* of the License.
*/
#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
#if CONFIG_AS_AVX2
#include <linux/raid/pq.h>
@ -323,5 +321,3 @@ const struct raid6_recov_calls raid6_recov_avx2 = {
#else
#warning "your version of binutils lacks AVX2 support"
#endif
#endif

4
lib/raid6/recov_ssse3.c
View File

@ -7,8 +7,6 @@
* of the License.
*/
#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
#include <linux/raid/pq.h>
#include "x86.h"
@ -332,5 +330,3 @@ const struct raid6_recov_calls raid6_recov_ssse3 = {
#endif
.priority = 1,
};
#endif

2
lib/raid6/sse1.c
View File

@ -21,7 +21,7 @@
* worthwhile as a separate implementation.
*/
#if defined(__i386__) && !defined(__arch_um__)
#ifdef CONFIG_X86_32
#include <linux/raid/pq.h>
#include "x86.h"

8
lib/raid6/sse2.c
View File

@ -17,8 +17,6 @@
*
*/
#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
#include <linux/raid/pq.h>
#include "x86.h"
@ -159,9 +157,7 @@ const struct raid6_calls raid6_sse2x2 = {
1 /* Has cache hints */
};
#endif
#if defined(__x86_64__) && !defined(__arch_um__)
#ifdef CONFIG_X86_64
/*
* Unrolled-by-4 SSE2 implementation
@ -259,4 +255,4 @@ const struct raid6_calls raid6_sse2x4 = {
1 /* Has cache hints */
};
#endif
#endif /* CONFIG_X86_64 */

23
lib/raid6/test/Makefile
View File

@ -10,16 +10,31 @@ LD = ld
AWK = awk -f
AR = ar
RANLIB = ranlib
OBJS = int1.o int2.o int4.o int8.o int16.o int32.o recov.o algos.o tables.o
ARCH := $(shell uname -m 2>/dev/null | sed -e /s/i.86/i386/)
ifeq ($(ARCH),i386)
CFLAGS += -DCONFIG_X86_32
IS_X86 = yes
endif
ifeq ($(ARCH),x86_64)
CFLAGS += -DCONFIG_X86_64
IS_X86 = yes
endif
ifeq ($(IS_X86),yes)
OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o
CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1" | \
gcc -c -x assembler - >&/dev/null && \
rm ./-.o && echo -DCONFIG_AS_AVX2=1)
else
HAS_ALTIVEC := $(shell echo -e '\#include <altivec.h>\nvector int a;' |\
gcc -c -x c - >&/dev/null && \
rm ./-.o && echo yes)
ifeq ($(HAS_ALTIVEC),yes)
OBJS += altivec1.o altivec2.o altivec4.o altivec8.o
endif
endif
CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1"| gcc -c -x assembler - &&\
rm ./-.o && echo -DCONFIG_AS_AVX2=1)
.c.o:
$(CC) $(CFLAGS) -c -o $@ $<
@ -32,9 +47,7 @@ CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1"| gcc -c -x assembler - &&\
all: raid6.a raid6test
raid6.a: int1.o int2.o int4.o int8.o int16.o int32.o mmx.o sse1.o sse2.o avx2.o \
altivec1.o altivec2.o altivec4.o altivec8.o recov.o recov_ssse3.o recov_avx2.o algos.o \
tables.o
raid6.a: $(OBJS)
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@