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PowerPC: multiarch wordcopy routines for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
93be09e725
commit
ea5a72f882
21
ChangeLog
21
ChangeLog
@ -1,3 +1,24 @@
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c: New file:
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multiarch wordcopy for PPC32.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added wcscpy
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wordcopy objects.
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* sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list
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(__libc_ifunc_impl_list): Likewise.
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* sysdeps/powerpc/powerpc32/power4/wordcopy.c: Move ...
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* sysdeps/powerpc/power4/wordcopy.c: ... to here.
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* sysdeps/powerpc/powerpc32/power6/wordcopy.c: Move ...
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* sysdeps/powerpc/power6/wordcopy.c: ... to here.
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* sysdeps/powerpc/powerpc64/power6/wordcopy.c: Remove uneeded file.
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* sysdeps/powerpc/powerpc64/power4/wordcopy.c: Likewise.
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* wcsmbs/wcscpy.c (wcscpy): Using macro to redefine symbol name
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* wcsmbs/wcscpy.c (wcscpy): Using macro to redefine symbol name
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@ -26,11 +26,12 @@
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block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
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block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
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Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
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Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
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#ifndef WORDCOPY_FWD_ALIGNED
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# define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned
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#endif
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void
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void
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_wordcopy_fwd_aligned (dstp, srcp, len)
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WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1;
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op_t a0, a1;
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@ -64,11 +65,12 @@ _wordcopy_fwd_aligned (dstp, srcp, len)
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DSTP should be aligned for memory operations on `op_t's, but SRCP must
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DSTP should be aligned for memory operations on `op_t's, but SRCP must
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*not* be aligned. */
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*not* be aligned. */
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#ifndef WORDCOPY_FWD_DEST_ALIGNED
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# define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned
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#endif
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void
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void
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_wordcopy_fwd_dest_aligned (dstp, srcp, len)
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WORDCOPY_FWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1, a2;
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op_t a0, a1, a2;
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int sh_1, sh_2;
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int sh_1, sh_2;
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@ -118,11 +120,12 @@ _wordcopy_fwd_dest_aligned (dstp, srcp, len)
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(not LEN bytes!). Both SRCP and DSTP should be aligned for memory
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(not LEN bytes!). Both SRCP and DSTP should be aligned for memory
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operations on `op_t's. */
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operations on `op_t's. */
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#ifndef WORDCOPY_BWD_ALIGNED
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# define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned
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#endif
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void
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void
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_wordcopy_bwd_aligned (dstp, srcp, len)
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WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1;
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op_t a0, a1;
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@ -157,11 +160,12 @@ _wordcopy_bwd_aligned (dstp, srcp, len)
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words (not LEN bytes!). DSTP should be aligned for memory
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words (not LEN bytes!). DSTP should be aligned for memory
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operations on `op_t', but SRCP must *not* be aligned. */
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operations on `op_t', but SRCP must *not* be aligned. */
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#ifndef WORDCOPY_BWD_DEST_ALIGNED
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# define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned
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#endif
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void
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void
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_wordcopy_bwd_dest_aligned (dstp, srcp, len)
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WORDCOPY_BWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1, a2;
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op_t a0, a1, a2;
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int sh_1, sh_2;
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int sh_1, sh_2;
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@ -27,11 +27,12 @@
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block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
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block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
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Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
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Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
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#ifndef WORDCOPY_FWD_ALIGNED
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# define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned
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#endif
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void
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void
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_wordcopy_fwd_aligned (dstp, srcp, len)
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WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1;
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op_t a0, a1;
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@ -70,8 +71,8 @@ _wordcopy_fwd_aligned (dstp, srcp, len)
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{ \
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{ \
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a1 = ((op_t *) srcp)[1]; \
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a1 = ((op_t *) srcp)[1]; \
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a2 = ((op_t *) srcp)[2]; \
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a2 = ((op_t *) srcp)[2]; \
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((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (32-align*8)); \
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((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (__WORDSIZE-align*8)); \
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((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (32-align*8)); \
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((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (__WORDSIZE-align*8)); \
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a0 = a2; \
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a0 = a2; \
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srcp += 2 * OPSIZ; \
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srcp += 2 * OPSIZ; \
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dstp += 2 * OPSIZ; \
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dstp += 2 * OPSIZ; \
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@ -79,11 +80,12 @@ _wordcopy_fwd_aligned (dstp, srcp, len)
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} \
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} \
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while (len != 0)
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while (len != 0)
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#ifndef WORDCOPY_FWD_DEST_ALIGNED
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# define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned
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#endif
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void
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void
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_wordcopy_fwd_dest_aligned (dstp, srcp, len)
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WORDCOPY_FWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1, a2;
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op_t a0, a1, a2;
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int sh_1, sh_2;
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int sh_1, sh_2;
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@ -124,11 +126,12 @@ _wordcopy_fwd_dest_aligned (dstp, srcp, len)
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(not LEN bytes!). Both SRCP and DSTP should be aligned for memory
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(not LEN bytes!). Both SRCP and DSTP should be aligned for memory
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operations on `op_t's. */
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operations on `op_t's. */
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#ifndef WORDCOPY_BWD_ALIGNED
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# define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned
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#endif
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void
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void
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_wordcopy_bwd_aligned (dstp, srcp, len)
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WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1;
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op_t a0, a1;
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@ -165,8 +168,8 @@ _wordcopy_bwd_aligned (dstp, srcp, len)
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dstp -= 2 * OPSIZ; \
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dstp -= 2 * OPSIZ; \
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a1 = ((op_t *) srcp)[1]; \
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a1 = ((op_t *) srcp)[1]; \
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a0 = ((op_t *) srcp)[0]; \
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a0 = ((op_t *) srcp)[0]; \
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((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (32-align*8)); \
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((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (__WORDSIZE-align*8)); \
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((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (32-align*8)); \
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((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (__WORDSIZE-align*8)); \
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a2 = a0; \
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a2 = a0; \
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len -= 2; \
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len -= 2; \
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} \
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} \
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@ -177,11 +180,12 @@ _wordcopy_bwd_aligned (dstp, srcp, len)
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words (not LEN bytes!). DSTP should be aligned for memory
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words (not LEN bytes!). DSTP should be aligned for memory
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operations on `op_t', but SRCP must *not* be aligned. */
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operations on `op_t', but SRCP must *not* be aligned. */
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#ifndef WORDCOPY_BWD_DEST_ALIGNED
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# define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned
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#endif
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void
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void
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_wordcopy_bwd_dest_aligned (dstp, srcp, len)
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WORDCOPY_BWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len)
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long int dstp;
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long int srcp;
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size_t len;
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{
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{
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op_t a0, a1, a2;
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op_t a0, a1, a2;
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int sh_1, sh_2;
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int sh_1, sh_2;
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@ -10,7 +10,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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strncase_l-power7 strchrnul-power7 strchrnul-ppc32 \
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strncase_l-power7 strchrnul-power7 strchrnul-ppc32 \
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strchr-power7 strchr-ppc32 wcschr-power7 wcschr-power6 \
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strchr-power7 strchr-ppc32 wcschr-power7 wcschr-power6 \
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wcschr-ppc32 wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc32 \
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wcschr-ppc32 wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc32 \
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wcscpy-power7 wcscpy-power6 wcscpy-ppc32
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wcscpy-power7 wcscpy-power6 wcscpy-ppc32 wordcopy-power7 \
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wordcopy-power6 wordcopy-ppc32
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
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@ -18,4 +19,6 @@ CFLAGS-wcschr-power7.c += -mcpu=power7
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CFLAGS-wcschr-power6.c += -mcpu=power6
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CFLAGS-wcschr-power6.c += -mcpu=power6
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CFLAGS-wcsrchr-power7.c += -mcpu=power7
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CFLAGS-wcsrchr-power7.c += -mcpu=power7
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CFLAGS-wcsrchr-power6.c += -mcpu=power6
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CFLAGS-wcsrchr-power6.c += -mcpu=power6
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CFLAGS-wcscpy-power7.c += -mcpu=power7
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CFLAGS-wcscpy-power6.c += -mcpu=power6
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endif
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endif
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23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c
Normal file
23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c
Normal file
@ -0,0 +1,23 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_power6
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#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_power6
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#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_power6
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#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_power6
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#include <sysdeps/powerpc/power6/wordcopy.c>
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23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c
Normal file
23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c
Normal file
@ -0,0 +1,23 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|
Lesser General Public License for more details.
|
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|
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You should have received a copy of the GNU Lesser General Public
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|
License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_power7
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#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_power7
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#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_power7
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#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_power7
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#include <sysdeps/powerpc/power6/wordcopy.c>
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23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c
Normal file
23
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c
Normal file
@ -0,0 +1,23 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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|
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|
The GNU C Library is free software; you can redistribute it and/or
|
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|
modify it under the terms of the GNU Lesser General Public
|
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|
License as published by the Free Software Foundation; either
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|
version 2.1 of the License, or (at your option) any later version.
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|
|
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|
The GNU C Library is distributed in the hope that it will be useful,
|
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
Lesser General Public License for more details.
|
||||||
|
|
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|
You should have received a copy of the GNU Lesser General Public
|
||||||
|
License along with the GNU C Library; if not, see
|
||||||
|
<http://www.gnu.org/licenses/>. */
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#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_ppc
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#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_ppc
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#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_ppc
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#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_ppc
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#include <sysdeps/powerpc/power4/wordcopy.c>
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86
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c
Normal file
86
sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c
Normal file
@ -0,0 +1,86 @@
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/* Multiple versions of wordcopy functions.
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|
Copyright (C) 2013 Free Software Foundation, Inc.
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|
This file is part of the GNU C Library.
|
||||||
|
|
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|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Lesser General Public
|
||||||
|
License as published by the Free Software Foundation; either
|
||||||
|
version 2.1 of the License, or (at your option) any later version.
|
||||||
|
|
||||||
|
The GNU C Library 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
|
||||||
|
Lesser General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Lesser General Public
|
||||||
|
License along with the GNU C Library; if not, see
|
||||||
|
<http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
#ifndef NOT_IN_libc
|
||||||
|
# include <stddef.h>
|
||||||
|
# include <memcopy.h>
|
||||||
|
# include <shlib-compat.h>
|
||||||
|
# include "init-arch.h"
|
||||||
|
|
||||||
|
extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_ppc
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power6
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power7
|
||||||
|
attribute_hidden;
|
||||||
|
|
||||||
|
libc_ifunc (_wordcopy_fwd_aligned,
|
||||||
|
(hwcap & PPC_FEATURE_HAS_VSX)
|
||||||
|
? _wordcopy_fwd_aligned_power7 :
|
||||||
|
(hwcap & PPC_FEATURE_ARCH_2_05)
|
||||||
|
? _wordcopy_fwd_aligned_power6
|
||||||
|
: _wordcopy_fwd_aligned_ppc);
|
||||||
|
|
||||||
|
|
||||||
|
extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_ppc
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power6
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power7
|
||||||
|
attribute_hidden;
|
||||||
|
|
||||||
|
libc_ifunc (_wordcopy_fwd_dest_aligned,
|
||||||
|
(hwcap & PPC_FEATURE_HAS_VSX)
|
||||||
|
? _wordcopy_fwd_dest_aligned_power7 :
|
||||||
|
(hwcap & PPC_FEATURE_ARCH_2_05)
|
||||||
|
? _wordcopy_fwd_dest_aligned_power6
|
||||||
|
: _wordcopy_fwd_dest_aligned_ppc);
|
||||||
|
|
||||||
|
|
||||||
|
extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_ppc
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power6
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power7
|
||||||
|
attribute_hidden;
|
||||||
|
|
||||||
|
libc_ifunc (_wordcopy_bwd_aligned,
|
||||||
|
(hwcap & PPC_FEATURE_HAS_VSX)
|
||||||
|
? _wordcopy_bwd_aligned_power7 :
|
||||||
|
(hwcap & PPC_FEATURE_ARCH_2_05)
|
||||||
|
? _wordcopy_bwd_aligned_power6
|
||||||
|
: _wordcopy_bwd_aligned_ppc);
|
||||||
|
|
||||||
|
|
||||||
|
extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_ppc
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power6
|
||||||
|
attribute_hidden;
|
||||||
|
extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power7
|
||||||
|
attribute_hidden;
|
||||||
|
|
||||||
|
libc_ifunc (_wordcopy_bwd_dest_aligned,
|
||||||
|
(hwcap & PPC_FEATURE_HAS_VSX)
|
||||||
|
? _wordcopy_bwd_dest_aligned_power7 :
|
||||||
|
(hwcap & PPC_FEATURE_ARCH_2_05)
|
||||||
|
? _wordcopy_bwd_dest_aligned_power6
|
||||||
|
: _wordcopy_bwd_dest_aligned_ppc);
|
||||||
|
|
||||||
|
#else
|
||||||
|
#include <sysdeps/powerpc/power4/wordcopy.c>
|
||||||
|
#endif
|
||||||
@ -1 +0,0 @@
|
|||||||
#include "../../powerpc32/power4/wordcopy.c"
|
|
||||||
@ -1,217 +0,0 @@
|
|||||||
/* _memcopy.c -- subroutines for memory copy functions.
|
|
||||||
Copyright (C) 1991-2013 Free Software Foundation, Inc.
|
|
||||||
This file is part of the GNU C Library.
|
|
||||||
Contributed by Torbjorn Granlund (tege@sics.se).
|
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
|
||||||
modify it under the terms of the GNU Lesser General Public
|
|
||||||
License as published by the Free Software Foundation; either
|
|
||||||
version 2.1 of the License, or (at your option) any later version.
|
|
||||||
|
|
||||||
The GNU C Library 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
|
|
||||||
Lesser General Public License for more details.
|
|
||||||
|
|
||||||
You should have received a copy of the GNU Lesser General Public
|
|
||||||
License along with the GNU C Library; if not, see
|
|
||||||
<http://www.gnu.org/licenses/>. */
|
|
||||||
|
|
||||||
/* BE VERY CAREFUL IF YOU CHANGE THIS CODE...! */
|
|
||||||
|
|
||||||
#include <stddef.h>
|
|
||||||
#include <memcopy.h>
|
|
||||||
|
|
||||||
/* _wordcopy_fwd_aligned -- Copy block beginning at SRCP to
|
|
||||||
block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
|
|
||||||
Both SRCP and DSTP should be aligned for memory operations on `op_t's. */
|
|
||||||
|
|
||||||
void
|
|
||||||
_wordcopy_fwd_aligned (dstp, srcp, len)
|
|
||||||
long int dstp;
|
|
||||||
long int srcp;
|
|
||||||
size_t len;
|
|
||||||
{
|
|
||||||
op_t a0, a1;
|
|
||||||
|
|
||||||
if (len & 1)
|
|
||||||
{
|
|
||||||
((op_t *) dstp)[0] = ((op_t *) srcp)[0];
|
|
||||||
|
|
||||||
if (len == 1)
|
|
||||||
return;
|
|
||||||
srcp += OPSIZ;
|
|
||||||
dstp += OPSIZ;
|
|
||||||
len -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
do
|
|
||||||
{
|
|
||||||
a0 = ((op_t *) srcp)[0];
|
|
||||||
a1 = ((op_t *) srcp)[1];
|
|
||||||
((op_t *) dstp)[0] = a0;
|
|
||||||
((op_t *) dstp)[1] = a1;
|
|
||||||
|
|
||||||
srcp += 2 * OPSIZ;
|
|
||||||
dstp += 2 * OPSIZ;
|
|
||||||
len -= 2;
|
|
||||||
}
|
|
||||||
while (len != 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
#define fwd_align_merge(align) \
|
|
||||||
do \
|
|
||||||
{ \
|
|
||||||
a1 = ((op_t *) srcp)[1]; \
|
|
||||||
a2 = ((op_t *) srcp)[2]; \
|
|
||||||
((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (64-align*8)); \
|
|
||||||
((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (64-align*8)); \
|
|
||||||
a0 = a2; \
|
|
||||||
srcp += 2 * OPSIZ; \
|
|
||||||
dstp += 2 * OPSIZ; \
|
|
||||||
len -= 2; \
|
|
||||||
} \
|
|
||||||
while (len != 0)
|
|
||||||
|
|
||||||
|
|
||||||
/* _wordcopy_fwd_dest_aligned -- Copy block beginning at SRCP to
|
|
||||||
block beginning at DSTP with LEN `op_t' words (not LEN bytes!).
|
|
||||||
DSTP should be aligned for memory operations on `op_t's, but SRCP must
|
|
||||||
*not* be aligned. */
|
|
||||||
|
|
||||||
void
|
|
||||||
_wordcopy_fwd_dest_aligned (dstp, srcp, len)
|
|
||||||
long int dstp;
|
|
||||||
long int srcp;
|
|
||||||
size_t len;
|
|
||||||
{
|
|
||||||
op_t a0, a1, a2;
|
|
||||||
int sh_1, sh_2;
|
|
||||||
int align;
|
|
||||||
|
|
||||||
/* Calculate how to shift a word read at the memory operation
|
|
||||||
aligned srcp to make it aligned for copy. */
|
|
||||||
|
|
||||||
align = srcp % OPSIZ;
|
|
||||||
sh_1 = 8 * (srcp % OPSIZ);
|
|
||||||
sh_2 = 8 * OPSIZ - sh_1;
|
|
||||||
|
|
||||||
/* Make SRCP aligned by rounding it down to the beginning of the `op_t'
|
|
||||||
it points in the middle of. */
|
|
||||||
srcp &= -OPSIZ;
|
|
||||||
a0 = ((op_t *) srcp)[0];
|
|
||||||
|
|
||||||
if (len & 1)
|
|
||||||
{
|
|
||||||
a1 = ((op_t *) srcp)[1];
|
|
||||||
((op_t *) dstp)[0] = MERGE (a0, sh_1, a1, sh_2);
|
|
||||||
|
|
||||||
if (len == 1)
|
|
||||||
return;
|
|
||||||
|
|
||||||
a0 = a1;
|
|
||||||
srcp += OPSIZ;
|
|
||||||
dstp += OPSIZ;
|
|
||||||
len -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
fwd_align_merge (align);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* _wordcopy_bwd_aligned -- Copy block finishing right before
|
|
||||||
SRCP to block finishing right before DSTP with LEN `op_t' words
|
|
||||||
(not LEN bytes!). Both SRCP and DSTP should be aligned for memory
|
|
||||||
operations on `op_t's. */
|
|
||||||
|
|
||||||
void
|
|
||||||
_wordcopy_bwd_aligned (dstp, srcp, len)
|
|
||||||
long int dstp;
|
|
||||||
long int srcp;
|
|
||||||
size_t len;
|
|
||||||
{
|
|
||||||
op_t a0, a1;
|
|
||||||
|
|
||||||
if (len & 1)
|
|
||||||
{
|
|
||||||
srcp -= OPSIZ;
|
|
||||||
dstp -= OPSIZ;
|
|
||||||
((op_t *) dstp)[0] = ((op_t *) srcp)[0];
|
|
||||||
|
|
||||||
if (len == 1)
|
|
||||||
return;
|
|
||||||
len -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
do
|
|
||||||
{
|
|
||||||
srcp -= 2 * OPSIZ;
|
|
||||||
dstp -= 2 * OPSIZ;
|
|
||||||
|
|
||||||
a1 = ((op_t *) srcp)[1];
|
|
||||||
a0 = ((op_t *) srcp)[0];
|
|
||||||
((op_t *) dstp)[1] = a1;
|
|
||||||
((op_t *) dstp)[0] = a0;
|
|
||||||
|
|
||||||
len -= 2;
|
|
||||||
}
|
|
||||||
while (len != 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
#define bwd_align_merge(align) \
|
|
||||||
do \
|
|
||||||
{ \
|
|
||||||
srcp -= 2 * OPSIZ; \
|
|
||||||
dstp -= 2 * OPSIZ; \
|
|
||||||
a1 = ((op_t *) srcp)[1]; \
|
|
||||||
a0 = ((op_t *) srcp)[0]; \
|
|
||||||
((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (64-align*8)); \
|
|
||||||
((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (64-align*8)); \
|
|
||||||
a2 = a0; \
|
|
||||||
len -= 2; \
|
|
||||||
} \
|
|
||||||
while (len != 0)
|
|
||||||
|
|
||||||
/* _wordcopy_bwd_dest_aligned -- Copy block finishing right
|
|
||||||
before SRCP to block finishing right before DSTP with LEN `op_t'
|
|
||||||
words (not LEN bytes!). DSTP should be aligned for memory
|
|
||||||
operations on `op_t', but SRCP must *not* be aligned. */
|
|
||||||
|
|
||||||
void
|
|
||||||
_wordcopy_bwd_dest_aligned (dstp, srcp, len)
|
|
||||||
long int dstp;
|
|
||||||
long int srcp;
|
|
||||||
size_t len;
|
|
||||||
{
|
|
||||||
op_t a0, a1, a2;
|
|
||||||
int sh_1, sh_2;
|
|
||||||
int align;
|
|
||||||
|
|
||||||
/* Calculate how to shift a word read at the memory operation
|
|
||||||
aligned srcp to make it aligned for copy. */
|
|
||||||
|
|
||||||
align = srcp % OPSIZ;
|
|
||||||
sh_1 = 8 * (srcp % OPSIZ);
|
|
||||||
sh_2 = 8 * OPSIZ - sh_1;
|
|
||||||
|
|
||||||
/* Make srcp aligned by rounding it down to the beginning of the op_t
|
|
||||||
it points in the middle of. */
|
|
||||||
srcp &= -OPSIZ;
|
|
||||||
a2 = ((op_t *) srcp)[0];
|
|
||||||
|
|
||||||
if (len & 1)
|
|
||||||
{
|
|
||||||
srcp -= OPSIZ;
|
|
||||||
dstp -= OPSIZ;
|
|
||||||
a1 = ((op_t *) srcp)[0];
|
|
||||||
((op_t *) dstp)[0] = MERGE (a1, sh_1, a2, sh_2);
|
|
||||||
|
|
||||||
if (len == 1)
|
|
||||||
return;
|
|
||||||
|
|
||||||
a2 = a1;
|
|
||||||
len -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
bwd_align_merge (align);
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user