Update the in-tree GMP; fixes trac #832

[ghc-hetmet.git] / rts / gmp / mpn / x86 / copyi.asm

diff --git a/rts/gmp/mpn/x86/copyi.asm b/rts/gmp/mpn/x86/copyi.asm
deleted file mode 100644 (file)
index 5bc4e36..0000000
--- a/rts/gmp/mpn/x86/copyi.asm
+++ /dev/null
@@ -1,79 +0,0 @@
-dnl  x86 mpn_copyi -- copy limb vector, incrementing.
-
-
-dnl  Copyright (C) 1999, 2000 Free Software Foundation, Inc.
-dnl 
-dnl  This file is part of the GNU MP Library.
-dnl 
-dnl  The GNU MP Library is free software; you can redistribute it and/or
-dnl  modify it under the terms of the GNU Lesser General Public License as
-dnl  published by the Free Software Foundation; either version 2.1 of the
-dnl  License, or (at your option) any later version.
-dnl 
-dnl  The GNU MP Library is distributed in the hope that it will be useful,
-dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-dnl  Lesser General Public License for more details.
-dnl 
-dnl  You should have received a copy of the GNU Lesser General Public
-dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
-dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
-dnl  Suite 330, Boston, MA 02111-1307, USA.
-
-
-include(`../config.m4')
-
-
-C void mpn_copyi (mp_ptr dst, mp_srcptr src, mp_size_t size);
-C
-C Copy src,size to dst,size, working from low to high addresses.
-C
-C The code here is very generic and can be expected to be reasonable on all
-C the x86 family.
-C
-C P5 - 1.0 cycles/limb.
-C
-C P6 - 0.75 cycles/limb.  An MMX based copy was tried, but was found to be
-C      slower than a rep movs in all cases.  The fastest MMX found was 0.8
-C      cycles/limb (when fully aligned).  A rep movs seems to have a startup
-C      time of about 15 cycles, but doing something special for small sizes
-C      could lead to a branch misprediction that would destroy any saving.
-C      For now a plain rep movs seems ok for P6.
-
-defframe(PARAM_SIZE,12)
-defframe(PARAM_SRC, 8)
-defframe(PARAM_DST, 4)
-deflit(`FRAME',0)
-
-       .text
-       ALIGN(32)
-
-       C eax   saved esi
-       C ebx
-       C ecx   counter
-       C edx   saved edi
-       C esi   src
-       C edi   dst
-       C ebp
-
-PROLOGUE(mpn_copyi)
-
-       movl    PARAM_SIZE, %ecx
-       movl    %esi, %eax
-
-       movl    PARAM_SRC, %esi
-       movl    %edi, %edx
-
-       movl    PARAM_DST, %edi
-
-       cld     C better safe than sorry, see mpn/x86/README.family
-
-       rep
-       movsl
-
-       movl    %eax, %esi
-       movl    %edx, %edi
-
-       ret
-
-EPILOGUE()