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qzdoom-gpl/src/mscinlines.h

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Directory restructuring to make it easier to version projects that don't build zdoom.exe. SVN r4 (trunk)
2006-02-24 04:48:15 +00:00
// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
// Ken Silverman's official web site: "http://www.advsys.net/ken"
// See the included license file "BUILDLIC.TXT" for license info.
//
// This file is based on pragmas.h from Ken Silverman's original Build
// source code release but is meant for use with Visual C++ instead of
// Watcom C.
//
// Some of the inline assembly has been turned into C code, because VC++
// is smart enough to produce code at least as good as Ken's inlines.
// The more used functions are still inline assembly, because they do
// things that can't really be done in C. (I consider this a bad thing,
// because VC++ has considerably poorer support for inline assembly than
// Watcom, so it's better to rely on its C optimizer to produce fast code.)
//
#include <string.h>
#include <stddef.h>
- Fixed: The new sound pausing on menu open interrupted Strife conversations. - Did some very preliminary support for x64 compiling. - Now I see why makewad is using the __fastcall calling convention by default: Because the release zlib is built with it as well. - Fixed: Conversion from 'const char *' to 'char *' in DEM_SAVEGAME case in Net_DoCommand(). - Updated the project files for Visual C++ 2005. SVN r138 (trunk)
2006-05-23 04:25:49 +00:00
#pragma warning (disable: 4035)
Directory restructuring to make it easier to version projects that don't build zdoom.exe. SVN r4 (trunk)
2006-02-24 04:48:15 +00:00
__forceinline SDWORD Scale (SDWORD a, SDWORD b, SDWORD c)
{
__asm mov eax,a
__asm imul b
- Added a range check for the PNG grAb chunks. - Fixed: AddLine() could corrupt memory if the length of the text being added was longer than the console buffer. - Fixed: FTexture::GetScaled(Left|Top)Offset returned the Width and Height instead when the scale values were 0. - Removed the unnecessary "mov ecx,c" from mscinlines.h:Scale(). SVN r461 (trunk)
2007-01-23 01:13:17 +00:00
__asm idiv c
Directory restructuring to make it easier to version projects that don't build zdoom.exe. SVN r4 (trunk)
2006-02-24 04:48:15 +00:00
}
__forceinline SDWORD MulScale (SDWORD a, SDWORD b, SDWORD c)
{
__asm mov eax,a
__asm mov ecx,c
__asm imul b
__asm shrd eax,edx,cl
}
#define MAKECONSTMulScale(s) \
__forceinline SDWORD MulScale##s (SDWORD a, SDWORD b) \
{ \
__asm mov eax,a \
__asm imul b \
__asm shrd eax,edx,s \
}
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MAKECONSTMulScale(28)
MAKECONSTMulScale(29)
MAKECONSTMulScale(30)
MAKECONSTMulScale(31)
#undef MAKECONSTMulScale
__forceinline SDWORD MulScale32 (SDWORD a, SDWORD b)
{
__asm mov eax,a
__asm imul b
__asm mov eax,edx
}
- Fixed: R_GetOneSkyColumn() and R_GetTwoSkyColumns are mulscaling an unsigned integer that can use all 32 bits. They must therefore use the unsigned mul instruction rather than the signed imul instruction. - Fixed several signed/unsigned comparison and possibly uninitialized variable warnings flagged by GCC. SVN r1965 (trunk)
2009-11-08 02:51:22 +00:00
__forceinline DWORD UMulScale16(DWORD a, DWORD b)
{
__asm mov eax,a
__asm mul b
__asm shrd eax,edx,16
}
Directory restructuring to make it easier to version projects that don't build zdoom.exe. SVN r4 (trunk)
2006-02-24 04:48:15 +00:00
__forceinline SDWORD DMulScale (SDWORD a, SDWORD b, SDWORD c, SDWORD d, SDWORD s)
{
__asm mov eax,a
__asm imul b
__asm mov ebx,eax
__asm mov eax,c
__asm mov esi,edx
__asm mov ecx,s
__asm imul d
__asm add eax,ebx
__asm adc edx,esi
__asm shrd eax,edx,cl
}
#define MAKECONSTDMulScale(s) \
__forceinline SDWORD DMulScale##s (SDWORD a, SDWORD b, SDWORD c, SDWORD d) \
{ \
__asm mov eax,a \
__asm imul b \
__asm mov ebx,eax \
__asm mov eax,c \
__asm mov esi,edx \
__asm imul d \
__asm add eax,ebx \
__asm adc edx,esi \
__asm shrd eax,edx,s \
}
MAKECONSTDMulScale(1)
MAKECONSTDMulScale(2)
MAKECONSTDMulScale(3)
MAKECONSTDMulScale(4)
MAKECONSTDMulScale(5)
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#undef MAKCONSTDMulScale
__forceinline SDWORD DMulScale32 (SDWORD a, SDWORD b, SDWORD c, SDWORD d)
{
__asm mov eax,a
__asm imul b
__asm mov ebx,eax
__asm mov eax,c
__asm mov esi,edx
__asm imul d
__asm add eax,ebx
__asm adc edx,esi
__asm mov eax,edx
}
#define MAKECONSTTMulScale(s) \
__forceinline SDWORD TMulScale##s (SDWORD a, SDWORD b, SDWORD c, SDWORD d, SDWORD e, SDWORD f) \
{ \
__asm mov eax,a \
__asm imul b \
__asm mov ebx,eax \
__asm mov eax,d \
__asm mov ecx,edx \
__asm imul c \
__asm add ebx,eax \
__asm mov eax,e \
__asm adc ecx,edx \
__asm imul f \
__asm add eax,ebx \
__asm adc edx,ecx \
__asm shrd eax,edx,s \
}
MAKECONSTTMulScale(1)
MAKECONSTTMulScale(2)
MAKECONSTTMulScale(3)
MAKECONSTTMulScale(4)
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#undef MAKECONSTTMulScale
__forceinline SDWORD TMulScale32 (SDWORD a, SDWORD b, SDWORD c, SDWORD d, SDWORD e, SDWORD f)
{
__asm mov eax,a
__asm imul b
__asm mov ebx,eax
__asm mov eax,c
__asm mov ecx,edx
__asm imul d
__asm add ebx,eax
__asm mov eax,e
__asm adc ecx,edx
__asm imul f
__asm add eax,ebx
__asm adc edx,ecx
__asm mov eax,edx
}
__forceinline SDWORD BoundMulScale (SDWORD a, SDWORD b, SDWORD c)
{
__asm mov eax,a
__asm imul b
__asm mov ebx,edx
__asm mov ecx,c
__asm shrd eax,edx,cl
__asm sar edx,cl
__asm xor edx,eax
__asm js checkit
__asm xor edx,eax
__asm jz skipboundit
__asm cmp edx,0xffffffff
__asm je skipboundit
checkit:
__asm mov eax,ebx
__asm sar eax,31
__asm xor eax,0x7fffffff
skipboundit:
;
}
__forceinline SDWORD DivScale (SDWORD a, SDWORD b, SDWORD c)
{
__asm mov eax,a
__asm mov ecx,c
__asm shl eax,cl
__asm mov edx,a
__asm neg cl
__asm sar edx,cl
__asm idiv b
}
__forceinline SDWORD DivScale1 (SDWORD a, SDWORD b)
{
__asm mov eax,a
__asm add eax,eax
__asm sbb edx,edx
__asm idiv b
}
#define MAKECONSTDivScale(s) \
__forceinline SDWORD DivScale##s (SDWORD a, SDWORD b) \
{ \
__asm mov edx,a \
__asm sar edx,32-s \
__asm mov eax,a \
__asm shl eax,s \
__asm idiv b \
}
MAKECONSTDivScale(2)
MAKECONSTDivScale(3)
MAKECONSTDivScale(4)
MAKECONSTDivScale(5)
MAKECONSTDivScale(6)
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MAKECONSTDivScale(28)
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MAKECONSTDivScale(30)
MAKECONSTDivScale(31)
#undef MAKECONSTDivScale
__forceinline SDWORD DivScale32 (SDWORD a, SDWORD b)
{
__asm mov edx,a
__asm xor eax,eax
__asm idiv b
}
__forceinline void clearbuf (void *buff, unsigned int count, SDWORD clear)
{
SDWORD *b2 = (SDWORD *)buff;
for (unsigned int i = 0; i != count; ++i)
{
b2[i] = clear;
}
}
__forceinline void clearbufshort (void *buff, unsigned int count, WORD clear)
{
SWORD *b2 = (SWORD *)buff;
for (unsigned int i = 0; i != count; ++i)
{
b2[i] = clear;
}
}
__forceinline SDWORD ksgn (SDWORD a)
{
__asm mov edx,a
__asm add edx,edx
__asm sbb eax,eax
__asm cmp eax,edx
__asm adc eax,0
}
#pragma warning (default: 4035)
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