- Add #pragma function to a number of intrisics that we implement to avoid a compiler error of MSVC
- Add a workaround to prevent some functions from being inlined
- Move sqrtf out of i386 directory
- Convert a number of inline assembly functions to raw assembly

svn path=/branches/cmake-bringup/; revision=49534
This commit is contained in:
Timo Kreuzer 2010-11-08 18:36:45 +00:00
parent 5e6639c9b2
commit 84b1635034
19 changed files with 130 additions and 175 deletions

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@ -56,6 +56,7 @@ list(APPEND CRT_SOURCE
math/logf.c
math/modf.c
math/rand.c
math/sqrtf.c
math/s_modf.c
math/sinf.c
math/sinh.c
@ -327,13 +328,12 @@ list(APPEND CRT_SOURCE
math/i386/sin_asm.s
math/i386/sqrt_asm.s
math/i386/tan_asm.s
math/i386/atan2.c
math/i386/atan2_asm.s
math/i386/ci.c
math/i386/exp.c
math/i386/fmod.c
math/i386/fmodf.c
math/i386/exp_asm.s
math/i386/fmod_asm.s
math/i386/fmodf_asm.s
math/i386/ldexp.c
math/i386/sqrtf.c
mem/i386/memchr_asm.s
mem/i386/memmove_asm.s
mem/i386/memset_asm.s

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@ -21,6 +21,9 @@
#include <math.h>
#ifdef _MSC_VER
#pragma function(acos)
#endif
double acos(double __x)
{

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@ -21,6 +21,9 @@
#include <math.h>
#ifdef _MSC_VER
#pragma function(asin)
#endif
double asin(double __x)
{

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@ -3,7 +3,9 @@
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#define cosf _dummy_cosf
#include <math.h>
#undef cosf
float cosf(float _X)
{

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@ -1,6 +1,9 @@
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
#ifdef _MSC_VER
#pragma function(cosh)
#endif
/*
* @implemented

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@ -1,27 +0,0 @@
#include <math.h>
double atan2 (double __y, double __x);
/*
* @implemented
*/
double atan2 (double __y, double __x)
{
register double __val;
#ifdef __GNUC__
__asm __volatile__
("fpatan\n\t"
"fld %%st(0)"
: "=t" (__val) : "0" (__x), "u" (__y));
#else
__asm
{
fld __y
fld __x
fpatan
fstp __val
}
#endif /*__GNUC__*/
return __val;
}

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@ -0,0 +1,18 @@
#include <reactos/asm.h>
PUBLIC _atan2
.code
_atan2:
push ebp
mov ebp, esp
fld qword ptr [ebp + 8]
fld qword ptr [ebp + 16]
fpatan
pop ebp
retn
END

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@ -1,64 +0,0 @@
/* Math functions for i387.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by John C. Bowman <bowman@ipp-garching.mpg.de>, 1995.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <math.h>
double exp (double __x);
double exp (double __x)
{
#ifdef __GNUC__
register double __value, __exponent;
__asm __volatile__
("fldl2e # e^x = 2^(x * log2(e))\n\t"
"fmul %%st(1) # x * log2(e)\n\t"
"fst %%st(1)\n\t"
"frndint # int(x * log2(e))\n\t"
"fxch\n\t"
"fsub %%st(1) # fract(x * log2(e))\n\t"
"f2xm1 # 2^(fract(x * log2(e))) - 1\n\t"
: "=t" (__value), "=u" (__exponent) : "0" (__x));
__value += 1.0;
__asm __volatile__
("fscale"
: "=t" (__value) : "0" (__value), "u" (__exponent));
return __value;
#else
register double __val;
__asm
{
fld1 // store 1.0 for later use
fld __x
fldl2e // e^x = 2^(x * log2(e))
fmul st,st(1) // x * log2(e)
fld st(0)
frndint // int(x * log2(e))
fsub st,st(1) // fract(x * log2(e))
fxch
f2xm1 // 2^(fract(x * log2(e))) - 1
fadd st,st(3) // + 1.0
fscale
fstp __val
}
return __val;
#endif /*__GNUC__*/
}

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@ -0,0 +1,29 @@
#include <reactos/asm.h>
PUBLIC _exp
/* FUNCTIONS ***************************************************************/
.code
_exp:
push ebp
mov ebp, esp
fld qword ptr [ebp + 8]
fldl2e
fmul st, st(1)
fst st(1)
frndint
fxch st(1)
fsub st, st(1)
f2xm1
fld1
faddp st(1), st
fscale
fstp st(1)
pop ebp
retn
END

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@ -1,49 +0,0 @@
/* Math functions for i387.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by John C. Bowman <bowman@ipp-garching.mpg.de>, 1995.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <math.h>
double fmod (double __x, double __y);
double fmod (double __x, double __y)
{
register double __val;
#ifdef __GNUC__
__asm __volatile__
("1: fprem\n\t"
"fstsw %%ax\n\t"
"sahf\n\t"
"jp 1b"
: "=t" (__val) : "0" (__x), "u" (__y) : "ax", "cc");
#else
__asm
{
fld __y
fld __x
L1: fprem1
fstsw ax
sahf
jp L1
fstp __val
}
#endif /*__GNUC__*/
return __val;
}

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@ -0,0 +1,26 @@
#include <reactos/asm.h>
PUBLIC _fmod
/* FUNCTIONS ***************************************************************/
.code
_fmod:
push ebp
mov ebp, esp
fld qword ptr [ebp + 8]
fld qword ptr [ebp + 16]
fxch st(1)
l1:
fprem
fstsw ax
sahf
jp l1
fstp st(1)
pop ebp
ret
END

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@ -1,28 +0,0 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
* Adapted for float type by Danny Smith
* <dannysmith@users.sourceforge.net>.
*/
#include <math.h>
float
fmodf (float x, float y)
{
float res = 0.0F;
asm ("1:\tfprem\n\t"
"fstsw %%ax\n\t"
"sahf\n\t"
"jp 1b\n\t"
"fstp %%st(1)"
: "=t" (res) : "0" (x), "u" (y) : "ax", "st(1)");
return res;
}

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@ -0,0 +1,26 @@
#include <reactos/asm.h>
PUBLIC _fmodf
/* FUNCTIONS ***************************************************************/
.code
_fmodf:
push ebp
mov ebp, esp
fld dword ptr [esp + 4]
fld dword ptr [esp + 8]
fxch st(1)
l1:
fprem
fstsw ax
sahf
jp l1
fstp st(1)
pop ebp
ret
END

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@ -3,7 +3,9 @@
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#define logf _dummy_logf
#include <math.h>
#undef logf
float logf(float _X)
{

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@ -9,8 +9,9 @@
* is preserved.
* ====================================================
*/
#define modfl _dummy_modfl
#include <precomp.h>
#undef modfl
//static const double one = 1.0;

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@ -3,7 +3,9 @@
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#define sinf _dummy_sinf
#include <math.h>
#undef sinf
float sinf(float _X)
{

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@ -1,6 +1,10 @@
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
#ifdef _MSC_VER
#pragma function(sinh)
#endif
/*
* @implemented
*/

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@ -6,7 +6,7 @@
#include <math.h>
float
sqrtf(float x)
_sqrtf(float x)
{
return ((float)sqrt((double)x));
}

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@ -2,6 +2,10 @@
#include <math.h>
#ifdef _MSC_VER
#pragma function(tanh)
#endif
/*
* @implemented
*/