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ASMMatrixMinMaxOperations.pas
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ASMMatrixMinMaxOperations.pas
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// ###################################################################
// #### This file is part of the mathematics library project, and is
// #### offered under the licence agreement described on
// #### http://www.mrsoft.org/
// ####
// #### Copyright:(c) 2011, Michael R. . All rights reserved.
// ####
// #### Unless required by applicable law or agreed to in writing, software
// #### distributed under the License is distributed on an "AS IS" BASIS,
// #### WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// #### See the License for the specific language governing permissions and
// #### limitations under the License.
// ###################################################################
unit ASMMatrixMinMaxOperations;
interface
{$I 'mrMath_CPU.inc'}
{$IFNDEF x64}
function ASMMatrixMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
// same as above but added Abs operation before taking max/min
function ASMMatrixAbsMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
function ASMMatrixAbsMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
{$ENDIF}
implementation
{$IFNDEF x64}
const cLocNegMaxDouble : double = -1.7e+308;
cLocMaxDouble : double = 1.7e+308;
cLocAbsMask : Int64 = ($7FFFFFFFFFFFFFFF);
function ASMMatrixMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
maxpd xmm0, [eax + edi - 128];
maxpd xmm1, [eax + edi - 112];
maxpd xmm0, [eax + edi - 96];
maxpd xmm1, [eax + edi - 80];
maxpd xmm0, [eax + edi - 64];
maxpd xmm1, [eax + edi - 48];
maxpd xmm0, [eax + edi - 32];
maxpd xmm1, [eax + edi - 16];
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
maxpd xmm0, [eax + edi];
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// max:
movupd xmm1, [eax + edi - 128];
maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 112];
maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 96];
maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 80];
maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 64];
maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 48];
maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 32];
maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 16];
maxpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [eax + edi];
maxpd xmm0, xmm1;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm3;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
maxpd xmm0, [eax + edi - 128];
maxpd xmm1, [eax + edi - 112];
maxpd xmm0, [eax + edi - 96];
maxpd xmm1, [eax + edi - 80];
maxpd xmm0, [eax + edi - 64];
maxpd xmm1, [eax + edi - 48];
maxpd xmm0, [eax + edi - 32];
maxpd xmm1, [eax + edi - 16];
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
maxpd xmm0, [eax + edi];
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm4, [eax];
maxsd xmm0, xmm4;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// max:
movupd xmm1, [eax + edi - 128];
Maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 112];
Maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 96];
Maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 80];
Maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 64];
Maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 48];
Maxpd xmm3, xmm2;
movupd xmm1, [eax + edi - 32];
Maxpd xmm0, xmm1;
movupd xmm2, [eax + edi - 16];
Maxpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [eax + edi];
Maxpd xmm0, xmm1;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm1, [eax];
Maxsd xmm0, xmm1;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final Max ->
maxpd xmm0, xmm3;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocMaxDouble;
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// min:
minpd xmm0, [eax + edi - 128];
minpd xmm1, [eax + edi - 112];
minpd xmm0, [eax + edi - 96];
minpd xmm1, [eax + edi - 80];
minpd xmm0, [eax + edi - 64];
minpd xmm1, [eax + edi - 48];
minpd xmm0, [eax + edi - 32];
minpd xmm1, [eax + edi - 16];
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
minpd xmm0, [eax + edi];
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final min ->
minpd xmm0, xmm1;
movhlps xmm1, xmm0;
minsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocMaxDouble;
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// min:
movupd xmm1, [eax + edi - 128];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 112];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 96];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 80];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 64];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 48];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 32];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 16];
minpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [eax + edi];
minpd xmm0, xmm1;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final min ->
minpd xmm0, xmm3;
movhlps xmm1, xmm0;
minsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
sub eax, edx;
movddup xmm0, cLocMaxDouble;
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// min:
minpd xmm0, [eax + edi - 128];
minpd xmm1, [eax + edi - 112];
minpd xmm0, [eax + edi - 96];
minpd xmm1, [eax + edi - 80];
minpd xmm0, [eax + edi - 64];
minpd xmm1, [eax + edi - 48];
minpd xmm0, [eax + edi - 32];
minpd xmm1, [eax + edi - 16];
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
minpd xmm0, [eax + edi];
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm4, [eax];
minsd xmm0, xmm4;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final Max ->
minpd xmm0, xmm1;
movhlps xmm1, xmm0;
minsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
sub eax, edx;
movddup xmm0, cLocMaxDouble;
movapd xmm3, xmm0;
// for y := 0 to height - 1:
mov ecx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// min:
movupd xmm1, [eax + edi - 128];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 112];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 96];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 80];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 64];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 48];
minpd xmm3, xmm2;
movupd xmm1, [eax + edi - 32];
minpd xmm0, xmm1;
movupd xmm2, [eax + edi - 16];
minpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [eax + edi];
minpd xmm0, xmm1;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm1, [eax];
minsd xmm0, xmm1;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final min ->
minpd xmm0, xmm3;
movhlps xmm1, xmm0;
minsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
// ###########################################
// #### abs max/min operations
// ###########################################
function ASMMatrixAbsMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
movddup xmm4, cLocAbsMask;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
movapd xmm2, [eax + edi - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movapd xmm2, [eax + edi];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixAbsMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
movddup xmm4, cLocAbsMask;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
movupd xmm2, [eax + edi - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm2, [eax + edi];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixAbsMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
movddup xmm4, cLocAbsMask;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
movapd xmm2, [eax + edi - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [eax + edi - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [eax + edi - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movapd xmm2, [eax + edi];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm2, [eax];
andpd xmm2, xmm4
maxsd xmm0, xmm2;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixAbsMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
dec edx;
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocNegMaxDouble;
movapd xmm1, xmm0;
movddup xmm4, cLocAbsMask;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// max:
movupd xmm2, [eax + edi - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movupd xmm2, [eax + edi - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movupd xmm3, [eax + edi - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm2, [eax + edi];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm2, [eax];
andpd xmm2, xmm4;
maxsd xmm0, xmm2;
// next line:
add eax, LineWidth;
// loop y end
dec ecx;
jnz @@addforyloop;
// final Max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
movsd Result, xmm0;
pop edi;
end;
function ASMMatrixAbsMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double;
asm
push edi;
// iter
imul edx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, edx;
movddup xmm0, cLocMaxDouble;
movapd xmm1, xmm0;
movddup xmm4, cLocAbsMask;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, edx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetch [eax + edi];
// max:
movapd xmm2, [eax + edi - 128];
andpd xmm2, xmm4;