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1075 lines
36 KiB
1075 lines
36 KiB
From 8d960764b1afa3b64c3c388665499935a38b194e Mon Sep 17 00:00:00 2001 |
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From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> |
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Date: Wed, 30 Jul 2014 08:12:17 -0500 |
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Subject: [PATCH] PowerPC: multiarch wordcopy for PowerPC64 |
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|
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commit e28bcd427b21b6c74021ca65736dd66474b09013 |
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Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com> |
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Date: Fri Dec 13 14:54:08 2013 -0500 |
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|
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Added the following files apart from original commit. |
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sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c |
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sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c |
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sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c |
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sysdeps/powerpc/power4/wordcopy.c |
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sysdeps/powerpc/power6/wordcopy.c |
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Removed the following files apart from original commit. |
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sysdeps/powerpc/power4/wordcopy.c |
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sysdeps/powerpc/powerpc64/power6/wordcopy.c |
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--- |
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string/wordcopy.c | 38 ++-- |
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sysdeps/powerpc/power4/wordcopy.c | 212 ++++++++++++++++++++ |
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sysdeps/powerpc/power6/wordcopy.c | 221 +++++++++++++++++++++ |
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.../powerpc32/power4/multiarch/wordcopy-power6.c | 23 +++ |
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.../powerpc32/power4/multiarch/wordcopy-power7.c | 23 +++ |
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.../powerpc32/power4/multiarch/wordcopy-ppc32.c | 23 +++ |
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sysdeps/powerpc/powerpc64/multiarch/Makefile | 5 +- |
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.../powerpc/powerpc64/multiarch/wordcopy-power6.c | 19 ++ |
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.../powerpc/powerpc64/multiarch/wordcopy-power7.c | 19 ++ |
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.../powerpc/powerpc64/multiarch/wordcopy-ppc64.c | 18 ++ |
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sysdeps/powerpc/powerpc64/multiarch/wordcopy.c | 86 ++++++++ |
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sysdeps/powerpc/powerpc64/power4/wordcopy.c | 1 - |
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sysdeps/powerpc/powerpc64/power6/wordcopy.c | 217 -------------------- |
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13 files changed, 669 insertions(+), 236 deletions(-) |
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create mode 100644 sysdeps/powerpc/power4/wordcopy.c |
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create mode 100644 sysdeps/powerpc/power6/wordcopy.c |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c |
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create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wordcopy-power6.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wordcopy-ppc64.c |
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create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wordcopy.c |
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delete mode 100644 sysdeps/powerpc/powerpc64/power4/wordcopy.c |
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delete mode 100644 sysdeps/powerpc/powerpc64/power6/wordcopy.c |
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|
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diff --git glibc-2.17-c758a686/string/wordcopy.c glibc-2.17-c758a686/string/wordcopy.c |
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index b171f27..ff4cce4 100644 |
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--- glibc-2.17-c758a686/string/wordcopy.c |
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+++ glibc-2.17-c758a686/string/wordcopy.c |
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@@ -1,5 +1,5 @@ |
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/* _memcopy.c -- subroutines for memory copy functions. |
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- Copyright (C) 1991, 1996 Free Software Foundation, Inc. |
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+ Copyright (C) 1991-2014 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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Contributed by Torbjorn Granlund (tege@sics.se). |
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|
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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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Both SRCP and DSTP should be aligned for memory operations on `op_t's. */ |
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|
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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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+ |
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void |
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-_wordcopy_fwd_aligned (dstp, srcp, 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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+WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len) |
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{ |
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op_t a0, a1; |
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|
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@@ -134,11 +135,12 @@ _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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*not* be aligned. */ |
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|
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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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+ |
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void |
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-_wordcopy_fwd_dest_aligned (dstp, srcp, 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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+WORDCOPY_FWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len) |
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{ |
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op_t a0, a1, a2, a3; |
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int sh_1, sh_2; |
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@@ -221,11 +223,12 @@ _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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operations on `op_t's. */ |
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|
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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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+ |
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void |
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-_wordcopy_bwd_aligned (dstp, srcp, 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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+WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len) |
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{ |
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op_t a0, a1; |
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|
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@@ -329,11 +332,12 @@ _wordcopy_bwd_aligned (dstp, srcp, len) |
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words (not LEN bytes!). DSTP should be aligned for memory |
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operations on `op_t', but SRCP must *not* be aligned. */ |
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|
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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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+ |
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void |
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-_wordcopy_bwd_dest_aligned (dstp, srcp, 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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+WORDCOPY_BWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len) |
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{ |
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op_t a0, a1, a2, a3; |
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int sh_1, sh_2; |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/power4/wordcopy.c glibc-2.17-c758a686/sysdeps/powerpc/power4/wordcopy.c |
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new file mode 100644 |
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index 0000000..263b444 |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/power4/wordcopy.c |
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@@ -0,0 +1,212 @@ |
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+/* _memcopy.c -- subroutines for memory copy functions. |
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+ Copyright (C) 1991-2014 Free Software Foundation, Inc. |
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+ This file is part of the GNU C Library. |
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+ Contributed by Torbjorn Granlund (tege@sics.se). |
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+ |
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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 |
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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 |
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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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+ |
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+/* BE VERY CAREFUL IF YOU CHANGE THIS CODE...! */ |
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+ |
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+#include <stddef.h> |
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+#include <memcopy.h> |
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+ |
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+/* _wordcopy_fwd_aligned -- Copy block beginning at SRCP to |
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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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+ |
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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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+ |
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+void |
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+WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len) |
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+{ |
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+ op_t a0, a1; |
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+ |
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+ if (len & 1) |
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+ { |
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+ ((op_t *) dstp)[0] = ((op_t *) srcp)[0]; |
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+ |
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+ if (len == 1) |
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+ return; |
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+ srcp += OPSIZ; |
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+ dstp += OPSIZ; |
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+ len -= 1; |
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+ } |
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+ |
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+ do |
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+ { |
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+ a0 = ((op_t *) srcp)[0]; |
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+ a1 = ((op_t *) srcp)[1]; |
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+ ((op_t *) dstp)[0] = a0; |
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+ ((op_t *) dstp)[1] = a1; |
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+ |
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+ srcp += 2 * OPSIZ; |
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+ dstp += 2 * OPSIZ; |
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+ len -= 2; |
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+ } |
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+ while (len != 0); |
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+} |
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+ |
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+/* _wordcopy_fwd_dest_aligned -- Copy block beginning at SRCP to |
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+ block beginning at DSTP with LEN `op_t' words (not LEN bytes!). |
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+ DSTP should be aligned for memory operations on `op_t's, but SRCP must |
|
+ *not* be aligned. */ |
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+ |
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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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+ |
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+void |
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+WORDCOPY_FWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len) |
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+{ |
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+ op_t a0, a1, a2; |
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+ int sh_1, sh_2; |
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+ |
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+ /* Calculate how to shift a word read at the memory operation |
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+ aligned srcp to make it aligned for copy. */ |
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+ |
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+ sh_1 = 8 * (srcp % OPSIZ); |
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+ sh_2 = 8 * OPSIZ - sh_1; |
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+ |
|
+ /* Make SRCP aligned by rounding it down to the beginning of the `op_t' |
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+ it points in the middle of. */ |
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+ srcp &= -OPSIZ; |
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+ a0 = ((op_t *) srcp)[0]; |
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+ |
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+ if (len & 1) |
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+ { |
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+ a1 = ((op_t *) srcp)[1]; |
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+ ((op_t *) dstp)[0] = MERGE (a0, sh_1, a1, sh_2); |
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+ |
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+ if (len == 1) |
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+ return; |
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+ |
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+ a0 = a1; |
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+ srcp += OPSIZ; |
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+ dstp += OPSIZ; |
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+ len -= 1; |
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+ } |
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+ |
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+ do |
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+ { |
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+ a1 = ((op_t *) srcp)[1]; |
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+ a2 = ((op_t *) srcp)[2]; |
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+ ((op_t *) dstp)[0] = MERGE (a0, sh_1, a1, sh_2); |
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+ ((op_t *) dstp)[1] = MERGE (a1, sh_1, a2, sh_2); |
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+ a0 = a2; |
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+ |
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+ srcp += 2 * OPSIZ; |
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+ dstp += 2 * OPSIZ; |
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+ len -= 2; |
|
+ } |
|
+ while (len != 0); |
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+} |
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+ |
|
+/* _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. */ |
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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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+ |
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+void |
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+WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len) |
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+{ |
|
+ op_t a0, a1; |
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+ |
|
+ if (len & 1) |
|
+ { |
|
+ srcp -= OPSIZ; |
|
+ dstp -= OPSIZ; |
|
+ ((op_t *) dstp)[0] = ((op_t *) srcp)[0]; |
|
+ |
|
+ if (len == 1) |
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+ return; |
|
+ len -= 1; |
|
+ } |
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+ |
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+ do |
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+ { |
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+ srcp -= 2 * OPSIZ; |
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+ dstp -= 2 * OPSIZ; |
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+ |
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+ a1 = ((op_t *) srcp)[1]; |
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+ a0 = ((op_t *) srcp)[0]; |
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+ ((op_t *) dstp)[1] = a1; |
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+ ((op_t *) dstp)[0] = a0; |
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+ |
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+ len -= 2; |
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+ } |
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+ while (len != 0); |
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+} |
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+ |
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+/* _wordcopy_bwd_dest_aligned -- Copy block finishing right |
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+ before SRCP to block finishing right before DSTP with LEN `op_t' |
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+ words (not LEN bytes!). DSTP should be aligned for memory |
|
+ operations on `op_t', but SRCP must *not* be aligned. */ |
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+ |
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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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+ |
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+void |
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+WORDCOPY_BWD_DEST_ALIGNED (long int dstp, long int srcp, size_t len) |
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+{ |
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+ op_t a0, a1, a2; |
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+ int sh_1, sh_2; |
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+ |
|
+ /* Calculate how to shift a word read at the memory operation |
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+ aligned srcp to make it aligned for copy. */ |
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+ |
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+ sh_1 = 8 * (srcp % OPSIZ); |
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+ sh_2 = 8 * OPSIZ - sh_1; |
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+ |
|
+ /* Make srcp aligned by rounding it down to the beginning of the op_t |
|
+ it points in the middle of. */ |
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+ srcp &= -OPSIZ; |
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+ a2 = ((op_t *) srcp)[0]; |
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+ |
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+ if (len & 1) |
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+ { |
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+ srcp -= OPSIZ; |
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+ dstp -= OPSIZ; |
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+ a1 = ((op_t *) srcp)[0]; |
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+ ((op_t *) dstp)[0] = MERGE (a1, sh_1, a2, sh_2); |
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+ |
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+ if (len == 1) |
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+ return; |
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+ |
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+ a2 = a1; |
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+ len -= 1; |
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+ } |
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+ |
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+ do |
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+ { |
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+ srcp -= 2 * OPSIZ; |
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+ dstp -= 2 * OPSIZ; |
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+ |
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+ a1 = ((op_t *) srcp)[1]; |
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+ a0 = ((op_t *) srcp)[0]; |
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+ ((op_t *) dstp)[1] = MERGE (a1, sh_1, a2, sh_2); |
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+ ((op_t *) dstp)[0] = MERGE (a0, sh_1, a1, sh_2); |
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+ a2 = a0; |
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+ |
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+ len -= 2; |
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+ } |
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+ while (len != 0); |
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+} |
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diff --git glibc-2.17-c758a686/sysdeps/powerpc/power6/wordcopy.c glibc-2.17-c758a686/sysdeps/powerpc/power6/wordcopy.c |
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new file mode 100644 |
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index 0000000..c32e6dd |
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--- /dev/null |
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+++ glibc-2.17-c758a686/sysdeps/powerpc/power6/wordcopy.c |
|
@@ -0,0 +1,221 @@ |
|
+/* _memcopy.c -- subroutines for memory copy functions. |
|
+ Copyright (C) 1991-2014 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). |
|
+ |
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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/>. */ |
|
+ |
|
+/* 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. */ |
|
+ |
|
+#ifndef WORDCOPY_FWD_ALIGNED |
|
+# define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned |
|
+#endif |
|
+ |
|
+void |
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+WORDCOPY_FWD_ALIGNED (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. */ |
|
+ |
|
+#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, (__WORDSIZE-align*8)); \ |
|
+ ((op_t *) dstp)[1] = MERGE (a1, align*8, a2, (__WORDSIZE-align*8)); \ |
|
+ a0 = a2; \ |
|
+ srcp += 2 * OPSIZ; \ |
|
+ dstp += 2 * OPSIZ; \ |
|
+ len -= 2; \ |
|
+ } \ |
|
+ while (len != 0) |
|
+ |
|
+#ifndef WORDCOPY_FWD_DEST_ALIGNED |
|
+# define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned |
|
+#endif |
|
+ |
|
+void |
|
+WORDCOPY_FWD_DEST_ALIGNED (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. */ |
|
+ |
|
+#ifndef WORDCOPY_BWD_ALIGNED |
|
+# define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned |
|
+#endif |
|
+ |
|
+void |
|
+WORDCOPY_BWD_ALIGNED (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, (__WORDSIZE-align*8)); \ |
|
+ ((op_t *) dstp)[0] = MERGE (a0, align*8, a1, (__WORDSIZE-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. */ |
|
+ |
|
+#ifndef WORDCOPY_BWD_DEST_ALIGNED |
|
+# define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned |
|
+#endif |
|
+ |
|
+void |
|
+WORDCOPY_BWD_DEST_ALIGNED (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); |
|
+} |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c |
|
new file mode 100644 |
|
index 0000000..c5c6eb7 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c |
|
@@ -0,0 +1,23 @@ |
|
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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/>. */ |
|
+ |
|
+#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_power6 |
|
+#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_power6 |
|
+#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_power6 |
|
+#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_power6 |
|
+ |
|
+#include <sysdeps/powerpc/power6/wordcopy.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c |
|
new file mode 100644 |
|
index 0000000..841d1a2 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c |
|
@@ -0,0 +1,23 @@ |
|
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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/>. */ |
|
+ |
|
+#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_power7 |
|
+#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_power7 |
|
+#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_power7 |
|
+#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_power7 |
|
+ |
|
+#include <sysdeps/powerpc/power6/wordcopy.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c |
|
new file mode 100644 |
|
index 0000000..ccd24ad |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c |
|
@@ -0,0 +1,23 @@ |
|
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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/>. */ |
|
+ |
|
+#define WORDCOPY_FWD_ALIGNED _wordcopy_fwd_aligned_ppc |
|
+#define WORDCOPY_FWD_DEST_ALIGNED _wordcopy_fwd_dest_aligned_ppc |
|
+#define WORDCOPY_BWD_ALIGNED _wordcopy_bwd_aligned_ppc |
|
+#define WORDCOPY_BWD_DEST_ALIGNED _wordcopy_bwd_dest_aligned_ppc |
|
+ |
|
+#include <sysdeps/powerpc/power4/wordcopy.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
index 7113212..8dceb09 100644 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/Makefile |
|
@@ -11,7 +11,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ |
|
strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \ |
|
strchrnul-power7 strchrnul-ppc64 wcschr-power7 \ |
|
wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \ |
|
- wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 |
|
+ wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 \ |
|
+ wordcopy-power7 wordcopy-power6 wordcopy-ppc64 |
|
|
|
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops |
|
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops |
|
@@ -21,4 +22,6 @@ CFLAGS-wcsrchr-power7.c += -mcpu=power7 |
|
CFLAGS-wcsrchr-power6.c += -mcpu=power6 |
|
CFLAGS-wcscpy-power7.c += -mcpu=power7 |
|
CFLAGS-wcscpy-power6.c += -mcpu=power6 |
|
+CFLAGS-wordcopy-power7.c += -mcpu=power7 |
|
+CFLAGS-wordcopy-power6.c += -mcpu=power6 |
|
endif |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power6.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power6.c |
|
new file mode 100644 |
|
index 0000000..2a65b52 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power6.c |
|
@@ -0,0 +1,19 @@ |
|
+/* wordcopy routines for powerpc64/power6. |
|
+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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; see the file COPYING.LIB. If |
|
+ not, see <http://www.gnu.org/licenses/>. */ |
|
+ |
|
+#include <sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power6.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c |
|
new file mode 100644 |
|
index 0000000..e804f88 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c |
|
@@ -0,0 +1,19 @@ |
|
+/* wordcopy routines for powerpc64/power7. |
|
+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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; see the file COPYING.LIB. If |
|
+ not, see <http://www.gnu.org/licenses/>. */ |
|
+ |
|
+#include <sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-power7.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-ppc64.c |
|
new file mode 100644 |
|
index 0000000..0584277 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy-ppc64.c |
|
@@ -0,0 +1,18 @@ |
|
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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/>. */ |
|
+ |
|
+#include <sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy-ppc32.c> |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy.c |
|
new file mode 100644 |
|
index 0000000..889be25 |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/multiarch/wordcopy.c |
|
@@ -0,0 +1,86 @@ |
|
+/* Multiple versions of wordcopy functions. |
|
+ Copyright (C) 2013-2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ 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 |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/wordcopy.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/wordcopy.c |
|
deleted file mode 100644 |
|
index f427b48..0000000 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power4/wordcopy.c |
|
+++ /dev/null |
|
@@ -1 +0,0 @@ |
|
-#include "../../powerpc32/power4/wordcopy.c" |
|
diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/wordcopy.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/wordcopy.c |
|
deleted file mode 100644 |
|
index 4c72404..0000000 |
|
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/power6/wordcopy.c |
|
+++ /dev/null |
|
@@ -1,217 +0,0 @@ |
|
-/* _memcopy.c -- subroutines for memory copy functions. |
|
- Copyright (C) 1991-2012 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; \ |
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- srcp += 2 * OPSIZ; \ |
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- 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); |
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- 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); |
|
-} |
|
-- |
|
1.8.3.1
|
|
|