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ASMMatrixSqrtOperationsx64.pas
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ASMMatrixSqrtOperationsx64.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 ASMMatrixSqrtOperationsx64;
// #####################################################
// #### SQRT opertaion applied to every element in a matrix
// #####################################################
interface
{$I 'mrMath_CPU.inc'}
{$IFDEF x64}
procedure ASMMatrixSQRTAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
procedure ASMMatrixSQRTUnAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
procedure ASMMatrixSQRTAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
procedure ASMMatrixSQRTUnAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
{$ENDIF}
implementation
{$IFDEF x64}
procedure ASMMatrixSQRTAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
asm
{$IFDEF UNIX}
// Linux uses a diffrent ABI -> copy over the registers so they meet with winABI
// (note that the 5th and 6th parameter are are on the stack)
// The parameters are passed in the following order:
// RDI, RSI, RDX, RCX -> mov to RCX, RDX, R8, R9
mov r8, rdx;
mov r9, rcx;
mov rcx, rdi;
mov rdx, rsi;
{$ENDIF}
// note: RCX = dest, RDX = destLineWidth, R8 = width, R9 = height
//iters := -width*sizeof(double);
mov r10, r8;
shl r10, 3;
imul r10, -1;
// helper registers dest pointers
sub rcx, r10;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, r10;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetchw [rcx + rax];
// elementwise sqrt
sqrtpd xmm0, [rcx + rax - 128];
movapd [rcx + rax - 128], xmm0;
sqrtpd xmm1, [rcx + rax - 112];
movapd [rcx + rax - 112], xmm1;
sqrtpd xmm2, [rcx + rax - 96];
movapd [rcx + rax - 96], xmm2;
sqrtpd xmm3, [rcx + rax - 80];
movapd [rcx + rax - 80], xmm3;
sqrtpd xmm0, [rcx + rax - 64];
movapd [rcx + rax - 64], xmm0;
sqrtpd xmm1, [rcx + rax - 48];
movapd [rcx + rax - 48], xmm1;
sqrtpd xmm2, [rcx + rax - 32];
movapd [rcx + rax - 32], xmm2;
sqrtpd xmm3, [rcx + rax - 16];
movapd [rcx + rax - 16], xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
sqrtpd xmm0, [rcx + rax];
movapd [rcx + rax], xmm0;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, rdx;
// loop y end
dec r9;
jnz @@addforyloop;
end;
procedure ASMMatrixSQRTUnAlignedEvenW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
asm
{$IFDEF UNIX}
// Linux uses a diffrent ABI -> copy over the registers so they meet with winABI
// (note that the 5th and 6th parameter are are on the stack)
// The parameters are passed in the following order:
// RDI, RSI, RDX, RCX -> mov to RCX, RDX, R8, R9
mov r8, rdx;
mov r9, rcx;
mov rcx, rdi;
mov rdx, rsi;
{$ENDIF}
// note: RCX = dest, RDX = destLineWidth, R8 = width, R9 = height
//iters := -width*sizeof(double);
mov r10, r8;
shl r10, 3;
imul r10, -1;
// helper registers dest pointers
sub rcx, r10;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, r10;
@addforxloop:
add rax, 128;
jg @loopEnd;
// elementwise sqrt
movupd xmm0, [rcx + rax - 128];
sqrtpd xmm0, xmm0;
movupd [rcx + rax - 128], xmm0;
movupd xmm1, [rcx + rax - 112];
sqrtpd xmm1, xmm1;
movupd [rcx + rax - 112], xmm1;
movupd xmm2, [rcx + rax - 96];
sqrtpd xmm2, xmm2;
movupd [rcx + rax - 96], xmm2;
movupd xmm3, [rcx + rax - 80];
sqrtpd xmm3, xmm3;
movupd [rcx + rax - 80], xmm3;
movupd xmm0, [rcx + rax - 64];
sqrtpd xmm0, xmm0;
movupd [rcx + rax - 64], xmm0;
movupd xmm1, [rcx + rax - 48];
sqrtpd xmm1, xmm1;
movupd [rcx + rax - 48], xmm1;
movupd xmm2, [rcx + rax - 32];
sqrtpd xmm2, xmm2;
movupd [rcx + rax - 32], xmm2;
movupd xmm3, [rcx + rax - 16];
sqrtpd xmm3, xmm3;
movupd [rcx + rax - 16], xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm0, [rcx + rax];
sqrtpd xmm0, xmm0;
movupd [rcx + rax], xmm0;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, rdx;
// loop y end
dec r9;
jnz @@addforyloop;
end;
procedure ASMMatrixSQRTAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
asm
{$IFDEF UNIX}
// Linux uses a diffrent ABI -> copy over the registers so they meet with winABI
// (note that the 5th and 6th parameter are are on the stack)
// The parameters are passed in the following order:
// RDI, RSI, RDX, RCX -> mov to RCX, RDX, R8, R9
mov r8, rdx;
mov r9, rcx;
mov rcx, rdi;
mov rdx, rsi;
{$ENDIF}
// note: RCX = dest, RDX = destLineWidth, R8 = width, R9 = height
//iters := -(width - 1)*sizeof(double);
mov r10, r8;
dec r10;
shl r10, 3;
imul r10, -1;
// helper registers dest pointers
sub rcx, r10;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, r10;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetchw [rcx + rax];
// elementwise sqrt
sqrtpd xmm0, [rcx + rax - 128];
movapd [rcx + rax - 128], xmm0;
sqrtpd xmm1, [rcx + rax - 112];
movapd [rcx + rax - 112], xmm1;
sqrtpd xmm2, [rcx + rax - 96];
movapd [rcx + rax - 96], xmm2;
sqrtpd xmm3, [rcx + rax - 80];
movapd [rcx + rax - 80], xmm3;
sqrtpd xmm0, [rcx + rax - 64];
movapd [rcx + rax - 64], xmm0;
sqrtpd xmm1, [rcx + rax - 48];
movapd [rcx + rax - 48], xmm1;
sqrtpd xmm2, [rcx + rax - 32];
movapd [rcx + rax - 32], xmm2;
sqrtpd xmm3, [rcx + rax - 16];
movapd [rcx + rax - 16], xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
sqrtpd xmm0, [rcx + rax];
movapd [rcx + rax], xmm0;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last element
movsd xmm0, [rcx + rax];
sqrtsd xmm0, xmm0;
movsd [rcx + rax], xmm0;
// next line:
add rcx, rdx;
// loop y end
dec r9;
jnz @@addforyloop;
end;
procedure ASMMatrixSQRTUnAlignedOddW(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC}assembler;{$ENDIF}
asm
{$IFDEF UNIX}
// Linux uses a diffrent ABI -> copy over the registers so they meet with winABI
// (note that the 5th and 6th parameter are are on the stack)
// The parameters are passed in the following order:
// RDI, RSI, RDX, RCX -> mov to RCX, RDX, R8, R9
mov r8, rdx;
mov r9, rcx;
mov rcx, rdi;
mov rdx, rsi;
{$ENDIF}
// note: RCX = dest, RDX = destLineWidth, R8 = width, R9 = height
//iters := -width*sizeof(double);
mov r10, r8;
shl r10, 3;
imul r10, -1;
// helper registers dest pointers
sub rcx, r10;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, r10;
@addforxloop:
add rax, 128;
jg @loopEnd;
// elementwise sqrt
movupd xmm0, [rcx + rax - 128];
sqrtpd xmm0, xmm0;
movupd [rcx + rax - 128], xmm0;
movupd xmm1, [rcx + rax - 112];
sqrtpd xmm1, xmm1;
movupd [rcx + rax - 112], xmm1;
movupd xmm2, [rcx + rax - 96];
sqrtpd xmm2, xmm2;
movupd [rcx + rax - 96], xmm2;
movupd xmm3, [rcx + rax - 80];
sqrtpd xmm3, xmm3;
movupd [rcx + rax - 80], xmm3;
movupd xmm0, [rcx + rax - 64];
sqrtpd xmm0, xmm0;
movupd [rcx + rax - 64], xmm0;
movupd xmm1, [rcx + rax - 48];
sqrtpd xmm1, xmm1;
movupd [rcx + rax - 48], xmm1;
movupd xmm2, [rcx + rax - 32];
sqrtpd xmm2, xmm2;
movupd [rcx + rax - 32], xmm2;
movupd xmm3, [rcx + rax - 16];
sqrtpd xmm3, xmm3;
movupd [rcx + rax - 16], xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm0, [rcx + rax];
sqrtpd xmm0, xmm0;
movupd [rcx + rax], xmm0;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last element
movsd xmm0, [rcx + rax];
sqrtsd xmm0, xmm0;
movsd [rcx + rax], xmm0;
// next line:
add rcx, rdx;
// loop y end
dec r9;
jnz @@addforyloop;
end;
{$ENDIF}
end.