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Diffstat (limited to 'powerpc-cpu/sysdeps/powerpc/powerpc32/power6/wordcopy.c')
-rw-r--r--powerpc-cpu/sysdeps/powerpc/powerpc32/power6/wordcopy.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/powerpc-cpu/sysdeps/powerpc/powerpc32/power6/wordcopy.c b/powerpc-cpu/sysdeps/powerpc/powerpc32/power6/wordcopy.c
deleted file mode 100644
index ddf28659f9..0000000000
--- a/powerpc-cpu/sysdeps/powerpc/powerpc32/power6/wordcopy.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/* _memcopy.c -- subroutines for memory copy functions.
- Copyright (C) 1991, 1996, 2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Torbjorn Granlund (tege@sics.se).
- Updated for POWER6 by Steven Munroe (sjmunroe@us.ibm.com).
-
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-/* 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);
-}
-
-/* _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;
- }
-
- switch (align)
- {
- case 1:
- do
- {
- a1 = ((op_t *) srcp)[1];
- a2 = ((op_t *) srcp)[2];
- ((op_t *) dstp)[0] = MERGE (a0, 8, a1, (32-8));
- ((op_t *) dstp)[1] = MERGE (a1, 8, a2, (32-8));
- a0 = a2;
-
- srcp += 2 * OPSIZ;
- dstp += 2 * OPSIZ;
- len -= 2;
- }
- while (len != 0);
- break;
- case 2:
- do
- {
- a1 = ((op_t *) srcp)[1];
- a2 = ((op_t *) srcp)[2];
- ((op_t *) dstp)[0] = MERGE (a0, 16, a1, (32-16));
- ((op_t *) dstp)[1] = MERGE (a1, 16, a2, (32-16));
- a0 = a2;
-
- srcp += 2 * OPSIZ;
- dstp += 2 * OPSIZ;
- len -= 2;
- }
- while (len != 0);
- break;
- case 3:
- do
- {
- a1 = ((op_t *) srcp)[1];
- a2 = ((op_t *) srcp)[2];
- ((op_t *) dstp)[0] = MERGE (a0, 24, a1, (32-24));
- ((op_t *) dstp)[1] = MERGE (a1, 24, a2, (32-24));
- a0 = a2;
-
- srcp += 2 * OPSIZ;
- dstp += 2 * OPSIZ;
- len -= 2;
- }
- while (len != 0);
- break;
- }
-
-}
-
-/* _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);
-}
-
-/* _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;
- }
-
- switch (align)
- {
- case 1:
- do
- {
- srcp -= 2 * OPSIZ;
- dstp -= 2 * OPSIZ;
-
- a1 = ((op_t *) srcp)[1];
- a0 = ((op_t *) srcp)[0];
- ((op_t *) dstp)[1] = MERGE (a1, 8, a2, (32-8));
- ((op_t *) dstp)[0] = MERGE (a0, 8, a1, (32-8));
- a2 = a0;
-
- len -= 2;
- }
- while (len != 0);
- break;
- case 2:
- do
- {
- srcp -= 2 * OPSIZ;
- dstp -= 2 * OPSIZ;
-
- a1 = ((op_t *) srcp)[1];
- a0 = ((op_t *) srcp)[0];
- ((op_t *) dstp)[1] = MERGE (a1, 16, a2, (32-16));
- ((op_t *) dstp)[0] = MERGE (a0, 16, a1, (32-16));
- a2 = a0;
-
- len -= 2;
- }
- while (len != 0);
- break;
- case 3:
- do
- {
- srcp -= 2 * OPSIZ;
- dstp -= 2 * OPSIZ;
-
- a1 = ((op_t *) srcp)[1];
- a0 = ((op_t *) srcp)[0];
- ((op_t *) dstp)[1] = MERGE (a1, 24, a2, (32-24));
- ((op_t *) dstp)[0] = MERGE (a0, 24, a1, (32-24));
- a2 = a0;
-
- len -= 2;
- }
- while (len != 0);
- break;
- }
-}
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