Update the in-tree GMP; fixes trac #832

[ghc-hetmet.git] / rts / gmp / mpn / x86 / k7 / mmx / copyd.asm

diff --git a/rts/gmp/mpn/x86/k7/mmx/copyd.asm b/rts/gmp/mpn/x86/k7/mmx/copyd.asm
deleted file mode 100644 (file)
index 33214da..0000000
--- a/rts/gmp/mpn/x86/k7/mmx/copyd.asm
+++ /dev/null
@@ -1,136 +0,0 @@
-dnl  AMD K7 mpn_copyd -- copy limb vector, decrementing.
-dnl 
-dnl     alignment dst/src, A=0mod8 N=4mod8
-dnl        A/A   A/N   N/A   N/N
-dnl  K7    0.75  1.0   1.0   0.75
-
-
-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_copyd (mp_ptr dst, mp_srcptr src, mp_size_t size);
-C
-C The various comments in mpn/x86/k7/copyi.asm apply here too.
-
-defframe(PARAM_SIZE,12)
-defframe(PARAM_SRC, 8)
-defframe(PARAM_DST, 4)
-deflit(`FRAME',0)
-
-dnl  parameter space reused
-define(SAVE_EBX,`PARAM_SIZE')
-define(SAVE_ESI,`PARAM_SRC')
-
-dnl  minimum 5 since the unrolled code can't handle less than 5
-deflit(UNROLL_THRESHOLD, 5)
-
-       .text
-       ALIGN(32)
-PROLOGUE(mpn_copyd)
-
-       movl    PARAM_SIZE, %ecx
-       movl    %ebx, SAVE_EBX
-
-       movl    PARAM_SRC, %eax
-       movl    PARAM_DST, %edx
-
-       cmpl    $UNROLL_THRESHOLD, %ecx
-       jae     L(unroll)
-
-       orl     %ecx, %ecx
-       jz      L(simple_done)
-
-L(simple):
-       C eax   src
-       C ebx   scratch
-       C ecx   counter
-       C edx   dst
-       C
-       C this loop is 2 cycles/limb
-
-       movl    -4(%eax,%ecx,4), %ebx
-       movl    %ebx, -4(%edx,%ecx,4)
-       decl    %ecx
-       jnz     L(simple)
-
-L(simple_done):
-       movl    SAVE_EBX, %ebx
-       ret
-
-
-L(unroll):
-       movl    %esi, SAVE_ESI
-       leal    (%eax,%ecx,4), %ebx
-       leal    (%edx,%ecx,4), %esi
-
-       andl    %esi, %ebx
-       movl    SAVE_ESI, %esi
-       subl    $4, %ecx                C size-4
-
-       testl   $4, %ebx   C testl to pad code closer to 16 bytes for L(top)
-       jz      L(aligned)
-
-       C both src and dst unaligned, process one limb to align them
-       movl    12(%eax,%ecx,4), %ebx
-       movl    %ebx, 12(%edx,%ecx,4)
-       decl    %ecx
-L(aligned):
-
-
-       ALIGN(16)
-L(top):
-       C eax   src
-       C ebx
-       C ecx   counter, limbs
-       C edx   dst
-
-       movq    8(%eax,%ecx,4), %mm0
-       movq    (%eax,%ecx,4), %mm1
-       subl    $4, %ecx
-       movq    %mm0, 16+8(%edx,%ecx,4)
-       movq    %mm1, 16(%edx,%ecx,4)
-       jns     L(top)
-
-
-       C now %ecx is -4 to -1 representing respectively 0 to 3 limbs remaining
-
-       testb   $2, %cl
-       jz      L(finish_not_two)
-
-       movq    8(%eax,%ecx,4), %mm0
-       movq    %mm0, 8(%edx,%ecx,4)
-L(finish_not_two):
-
-       testb   $1, %cl
-       jz      L(done)
-
-       movl    (%eax), %ebx
-       movl    %ebx, (%edx)
-
-L(done):
-       movl    SAVE_EBX, %ebx
-       emms
-       ret
-
-
-EPILOGUE()