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ASMMatrixSqrtOperations.pas
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ASMMatrixSqrtOperations.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 ASMMatrixSqrtOperations;
// #####################################################
// #### SQRT opertaion applied to every element in a matrix
// #####################################################
interface
{$I 'mrMath_CPU.inc'}
{$IFNDEF x64}
procedure ASMMatrixSQRTAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
procedure ASMMatrixSQRTUnAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
procedure ASMMatrixSQRTAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
procedure ASMMatrixSQRTUnAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
{$ENDIF}
implementation
{$IFNDEF x64}
procedure ASMMatrixSQRTAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
asm
push ebx;
push edi;
// ecx
imul ecx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, ecx;
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetchw [eax + edi];
// sqrt:
sqrtpd xmm0, [eax + edi - 128];
movapd [eax + edi - 128], xmm0;
sqrtpd xmm1, [eax + edi - 112];
movapd [eax + edi - 112], xmm1;
sqrtpd xmm2, [eax + edi - 96];
movapd [eax + edi - 96], xmm2;
sqrtpd xmm3, [eax + edi - 80];
movapd [eax + edi - 80], xmm3;
sqrtpd xmm4, [eax + edi - 64];
movapd [eax + edi - 64], xmm4;
sqrtpd xmm5, [eax + edi - 48];
movapd [eax + edi - 48], xmm5;
sqrtpd xmm6, [eax + edi - 32];
movapd [eax + edi - 32], xmm6;
sqrtpd xmm7, [eax + edi - 16];
movapd [eax + edi - 16], xmm7;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
sqrtpd xmm0, [eax + edi];
movapd [eax + edi], xmm0;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
pop edi;
pop ebx;
end;
procedure ASMMatrixSQRTUnAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
asm
push ebx;
push edi;
// ecx
imul ecx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, ecx;
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// sqrt:
movupd xmm0, [eax + edi - 128];
sqrtpd xmm0, xmm0;
movupd [eax + edi - 128], xmm0;
movupd xmm0, [eax + edi - 112];
sqrtpd xmm1, xmm1;
movupd [eax + edi - 112], xmm1;
movupd xmm2, [eax + edi - 96];
sqrtpd xmm2, xmm2;
movupd [eax + edi - 96], xmm2;
movupd xmm3, [eax + edi - 80];
sqrtpd xmm3, xmm3;
movupd [eax + edi - 80], xmm3;
movupd xmm4, [eax + edi - 64];
sqrtpd xmm4, xmm4;
movupd [eax + edi - 64], xmm4;
movupd xmm5, [eax + edi - 48];
sqrtpd xmm5, xmm5;
movupd [eax + edi - 48], xmm5;
movupd xmm6, [eax + edi - 32];
sqrtpd xmm6, xmm6;
movupd [eax + edi - 32], xmm6;
movupd xmm7, [eax + edi - 16];
sqrtpd xmm7, xmm7;
movupd [eax + edi - 16], xmm7;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm0, [eax + edi];
sqrtpd xmm0, xmm0;
movupd [eax + edi], xmm0;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
pop edi;
pop ebx;
end;
procedure ASMMatrixSQRTAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
asm
push ebx;
push edi;
// ecx
dec ecx;
imul ecx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, ecx;
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
// prefetchw [eax + edi];
// addition:
sqrtpd xmm0, [eax + edi - 128];
movapd [eax + edi - 128], xmm0;
sqrtpd xmm1, [eax + edi - 112];
movapd [eax + edi - 112], xmm1;
sqrtpd xmm2, [eax + edi - 96];
movapd [eax + edi - 96], xmm2;
sqrtpd xmm3, [eax + edi - 80];
movapd [eax + edi - 80], xmm3;
sqrtpd xmm4, [eax + edi - 64];
movapd [eax + edi - 64], xmm4;
sqrtpd xmm5, [eax + edi - 48];
movapd [eax + edi - 48], xmm5;
sqrtpd xmm6, [eax + edi - 32];
movapd [eax + edi - 32], xmm6;
sqrtpd xmm7, [eax + edi - 16];
movapd [eax + edi - 16], xmm7;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
sqrtpd xmm0, [eax + edi];
movapd [eax + edi], xmm0;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm0, [eax];
sqrtsd xmm0, xmm0;
movsd [eax], xmm0;
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
pop edi;
pop ebx;
end;
procedure ASMMatrixSQRTUnAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
asm
push ebx;
push edi;
// ecx
dec ecx;
imul ecx, -8;
// helper registers for the mt1, mt2 and dest pointers
sub eax, ecx;
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// sqrt:
movupd xmm0, [eax + edi - 128];
sqrtpd xmm0, xmm0;
movupd [eax + edi - 128], xmm0;
movupd xmm0, [eax + edi - 112];
sqrtpd xmm1, xmm1;
movupd [eax + edi - 112], xmm1;
movupd xmm2, [eax + edi - 96];
sqrtpd xmm2, xmm2;
movupd [eax + edi - 96], xmm2;
movupd xmm3, [eax + edi - 80];
sqrtpd xmm3, xmm3;
movupd [eax + edi - 80], xmm3;
movupd xmm4, [eax + edi - 64];
sqrtpd xmm4, xmm4;
movupd [eax + edi - 64], xmm4;
movupd xmm5, [eax + edi - 48];
sqrtpd xmm5, xmm5;
movupd [eax + edi - 48], xmm5;
movupd xmm6, [eax + edi - 32];
sqrtpd xmm6, xmm6;
movupd [eax + edi - 32], xmm6;
movupd xmm7, [eax + edi - 16];
sqrtpd xmm7, xmm7;
movupd [eax + edi - 16], xmm7;
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
movupd xmm0, [eax + edi];
sqrtpd xmm0, xmm0;
movupd [eax + edi], xmm0;
add edi, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm0, [eax];
sqrtsd xmm0, xmm0;
movsd [eax], xmm0;
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
pop edi;
pop ebx;
end;
{$ENDIF}
end.