* sysdeps/powerpc/powerpc32/970/fpu/Implies: New file.

* sysdeps/powerpc/powerpc32/power5/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power6/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/970/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power6/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/970/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power4/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5+/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/970/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/fpu/Implies: New file. 2007-05-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrintf.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llround.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llroundf.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llroundf.S: To here. 2007-05-22 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_round.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc64/power5+/fpu/s_round.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc64/power5+/fpu/s_trunc.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. 2007-05-21 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c: New file. * sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/slowexp.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c: New file. 2007-03-15 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S [LONG_DOUBLE_COMPAT]: Add compat_symbol for llrintl@@GLIBC_2_1. 2006-02-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/fpu/s_llrint.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llrintf.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llround.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llroundf.S: New File 2006-10-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/fpu/slowpow.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/slowpow.c: New file. 2006-10-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llroundf.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/Makefile: Moved. * sysdeps/powerpc/powerpc32/powerpc64/fpu/mpa.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/Makefile: To here. * sysdeps/powerpc/powerpc32/power4/fpu/mpa.c: Likewise. 2006-09-29 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6x/fpu/s_lrint.S: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/s_lround.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llrint.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llround.S: New file. 2006-09-28 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_llroundf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/Implies: New file. 2006-08-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/Makefile: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/mpa.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/Makefile: New file. * sysdeps/powerpc/powerpc64/power4/fpu/mpa.c: New file. 2006-06-15 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_ceil.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_ceilf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_floor.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_floorf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_round.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_roundf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_ceil.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_ceilf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_floor.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_floorf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_round.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_roundf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_trunc.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_truncf.S: New file. 2006-03-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrintf.S: New file. 2007-06-01 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/memset.S: New file. * sysdeps/powerpc/powerpc64/power6/memset.S: New file. 2007-05-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/970/Implies: New file. * sysdeps/powerpc/powerpc32/power5/Implies: New file. * sysdeps/powerpc/powerpc32/power5+/Implies: New file. * sysdeps/powerpc/powerpc32/power6/Implies: New file. * sysdeps/powerpc/powerpc32/power6x/Implies: New file. * sysdeps/powerpc/powerpc64/970/Implies: New file. * sysdeps/powerpc/powerpc64/power5/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/Implies: New file. * sysdeps/powerpc/powerpc64/power6/Implies: New file. * sysdeps/powerpc/powerpc64/power6x/Implies: New file. 2007-05-21 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/memset.S: New file 2007-03-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/memcpy.S: Improve aligned loop to minimize branch miss-predicts. Ensure that cache line crossing does not impact dispatch grouping. 2006-12-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/power4/memcopy.h: Replace with include "../../powerpc32/power4/memcopy.h". * sysdeps/powerpc/powerpc64/power4/wordcopy.c: Replace with include "../../powerpc32/power4/wordcopy.c". 2006-10-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/Makefile: Moved. * sysdeps/powerpc/powerpc32/powerpc64/memcopy.h: Likewise. * sysdeps/powerpc/powerpc32/powerpc64/wordcopy.c: Likewise. * sysdeps/powerpc/powerpc32/power4/Makefile: To here. * sysdeps/powerpc/powerpc32/power4/memcopy.h: Likewise. * sysdeps/powerpc/powerpc32/power4/wordcopy.c: Likewise. 2006-09-10 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/memcpy.S: New file. 2006-08-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/wordcopy.c: New file. * sysdeps/powerpc/powerpc32/powerpc64/Makefile: New file. * sysdeps/powerpc/powerpc32/powerpc64/memcopy.h: New file. * sysdeps/powerpc/powerpc32/powerpc64/wordcopy.c: New file. * sysdeps/powerpc/powerpc64/power4/Makefile: New file. * sysdeps/powerpc/powerpc64/power4/memcopy.h: New file. * sysdeps/powerpc/powerpc64/power4/wordcopy.c: New file. * sysdeps/powerpc/powerpc64/power6/wordcopy.c: New file. 2006-07-06 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/power6/memcpy.S: New file. 2006-03-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/memcmp.S: New file. * sysdeps/powerpc/powerpc32/power4/memcpy.S: New file. * sysdeps/powerpc/powerpc32/power4/memset.S: New file. * sysdeps/powerpc/powerpc32/power4/strncmp.S: New file. * sysdeps/powerpc/powerpc64/power4/memcmp.S: New file. * sysdeps/powerpc/powerpc64/power4/memcpy.S: New file. * sysdeps/powerpc/powerpc64/power4/strncmp.S: New file.
author: Ulrich Drepper <drepper@redhat.com> 2007-06-03 21:20:06 +0000
committer: Ulrich Drepper <drepper@redhat.com> 2007-06-03 21:20:06 +0000
commit: 04067002e8c1be0c432bd608736750ca7459ec69 (patch)
tree: 1875d7b84026d0881df23845f768ecdd05b66c6d /sysdeps/powerpc/powerpc64/power6/wordcopy.c
parent: b03b0c292034392fbe98b96fd0b3b5cde6c1587c (diff)
download: glibc-04067002e8c1be0c432bd608736750ca7459ec69.tar.gz
glibc-04067002e8c1be0c432bd608736750ca7459ec69.tar.xz
glibc-04067002e8c1be0c432bd608736750ca7459ec69.zip
1 files changed, 410 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/power6/wordcopy.c b/sysdeps/powerpc/powerpc64/power6/wordcopy.c
new file mode 100644
index 0000000000..faddd945b3
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/power6/wordcopy.c
@@ -0,0 +1,410 @@
+/* _memcopy.c -- subroutines for memory copy functions.
+   Copyright (C) 1991, 1996 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, 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, (64-8));
+          ((op_t *) dstp)[1] = MERGE (a1, 8, a2, (64-8));
+          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, (64-16));
+          ((op_t *) dstp)[1] = MERGE (a1, 16, a2, (64-16));
+          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, (64-24));
+          ((op_t *) dstp)[1] = MERGE (a1, 24, a2, (64-24));
+          a0 = a2;
+    
+          srcp += 2 * OPSIZ;
+          dstp += 2 * OPSIZ;
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 4:
+      do
+        {
+          a1 = ((op_t *) srcp)[1];
+          a2 = ((op_t *) srcp)[2];
+          ((op_t *) dstp)[0] = MERGE (a0, 32, a1, (64-32));
+          ((op_t *) dstp)[1] = MERGE (a1, 32, a2, (64-32));
+          a0 = a2;
+    
+          srcp += 2 * OPSIZ;
+          dstp += 2 * OPSIZ;
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 5:
+      do
+        {
+          a1 = ((op_t *) srcp)[1];
+          a2 = ((op_t *) srcp)[2];
+          ((op_t *) dstp)[0] = MERGE (a0, 40, a1, (64-40));
+          ((op_t *) dstp)[1] = MERGE (a1, 40, a2, (64-40));
+          a0 = a2;
+    
+          srcp += 2 * OPSIZ;
+          dstp += 2 * OPSIZ;
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 6:
+      do
+        {
+          a1 = ((op_t *) srcp)[1];
+          a2 = ((op_t *) srcp)[2];
+          ((op_t *) dstp)[0] = MERGE (a0, 48, a1, (64-48));
+          ((op_t *) dstp)[1] = MERGE (a1, 48, a2, (64-48));
+          a0 = a2;
+    
+          srcp += 2 * OPSIZ;
+          dstp += 2 * OPSIZ;
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 7:
+      do
+        {
+          a1 = ((op_t *) srcp)[1];
+          a2 = ((op_t *) srcp)[2];
+          ((op_t *) dstp)[0] = MERGE (a0, 56, a1, (64-56));
+          ((op_t *) dstp)[1] = MERGE (a1, 56, a2, (64-56));
+          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, (64-8));
+          ((op_t *) dstp)[0] = MERGE (a0, 8, a1, (64-8));
+          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, (64-16));
+          ((op_t *) dstp)[0] = MERGE (a0, 16, a1, (64-16));
+          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, (64-24));
+          ((op_t *) dstp)[0] = MERGE (a0, 24, a1, (64-24));
+          a2 = a0;
+    
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 4:
+      do
+        {
+          srcp -= 2 * OPSIZ;
+          dstp -= 2 * OPSIZ;
+    
+          a1 = ((op_t *) srcp)[1];
+          a0 = ((op_t *) srcp)[0];
+          ((op_t *) dstp)[1] = MERGE (a1, 32, a2, (64-32));
+          ((op_t *) dstp)[0] = MERGE (a0, 32, a1, (64-32));
+          a2 = a0;
+    
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 5:
+      do
+        {
+          srcp -= 2 * OPSIZ;
+          dstp -= 2 * OPSIZ;
+    
+          a1 = ((op_t *) srcp)[1];
+          a0 = ((op_t *) srcp)[0];
+          ((op_t *) dstp)[1] = MERGE (a1, 40, a2, (64-40));
+          ((op_t *) dstp)[0] = MERGE (a0, 40, a1, (64-40));
+          a2 = a0;
+    
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 6:
+      do
+        {
+          srcp -= 2 * OPSIZ;
+          dstp -= 2 * OPSIZ;
+    
+          a1 = ((op_t *) srcp)[1];
+          a0 = ((op_t *) srcp)[0];
+          ((op_t *) dstp)[1] = MERGE (a1, 48, a2, (64-48));
+          ((op_t *) dstp)[0] = MERGE (a0, 48, a1, (64-48));
+          a2 = a0;
+    
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    case 7:
+      do
+        {
+          srcp -= 2 * OPSIZ;
+          dstp -= 2 * OPSIZ;
+    
+          a1 = ((op_t *) srcp)[1];
+          a0 = ((op_t *) srcp)[0];
+          ((op_t *) dstp)[1] = MERGE (a1, 56, a2, (64-56));
+          ((op_t *) dstp)[0] = MERGE (a0, 56, a1, (64-56));
+          a2 = a0;
+    
+          len -= 2;
+        }
+      while (len != 0);
+      break;
+    }
+}
author	Ulrich Drepper <drepper@redhat.com>	2007-06-03 21:20:06 +0000
committer	Ulrich Drepper <drepper@redhat.com>	2007-06-03 21:20:06 +0000
commit	04067002e8c1be0c432bd608736750ca7459ec69 (patch)
tree	1875d7b84026d0881df23845f768ecdd05b66c6d /sysdeps/powerpc/powerpc64/power6/wordcopy.c
parent	b03b0c292034392fbe98b96fd0b3b5cde6c1587c (diff)
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