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ASMMatrixMinMaxOperationsx64.pas
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ASMMatrixMinMaxOperationsx64.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 ASMMatrixMinMaxOperationsx64;
interface
{$I 'mrMath_CPU.inc'}
{$IFDEF x64}
function ASMMatrixMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
// same as above but first taking the abs value
function ASMMatrixAbsMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
function ASMMatrixAbsMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$IFDEF FPC}assembler;{$ENDIF}
{$ENDIF}
implementation
{$IFDEF x64}
const cLocNegMaxDoubles : Array[0..1] of double = (-1.7e+308, -1.7e+308);
cLocMaxDoubles : Array[0..1] of double = (1.7e+308, 1.7e+308);
cLocAbsMask : Array[0..1] of Int64 = ($7FFFFFFFFFFFFFFF, $7FFFFFFFFFFFFFFF);
function ASMMatrixMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// max:
maxpd xmm0, [rcx + rax - 128];
maxpd xmm1, [rcx + rax - 112];
maxpd xmm0, [rcx + rax - 96];
maxpd xmm1, [rcx + rax - 80];
maxpd xmm0, [rcx + rax - 64];
maxpd xmm1, [rcx + rax - 48];
maxpd xmm0, [rcx + rax - 32];
maxpd xmm1, [rcx + rax - 16];
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
maxpd xmm0, [rcx + rax];
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// max:
movupd xmm1, [rcx + rax - 128];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 112];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 96];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 80];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 64];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 48];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 32];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 16];
maxpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [rcx + rax];
maxpd xmm0, xmm1;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm3;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
dec rdx;
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// max:
maxpd xmm0, [rcx + rax - 128];
maxpd xmm1, [rcx + rax - 112];
maxpd xmm0, [rcx + rax - 96];
maxpd xmm1, [rcx + rax - 80];
maxpd xmm0, [rcx + rax - 64];
maxpd xmm1, [rcx + rax - 48];
maxpd xmm0, [rcx + rax - 32];
maxpd xmm1, [rcx + rax - 16];
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
maxpd xmm0, [rcx + rax];
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm4, [rcx];
maxsd xmm0, xmm4;
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
dec rdx;
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// max
movupd xmm1, [rcx + rax - 128];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 112];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 96];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 80];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 64];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 48];
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 32];
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 16];
maxpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [rcx + rax];
maxpd xmm0, xmm1;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm1, [rcx];
maxsd xmm0, xmm1;
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm3;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMinAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocMaxDoubles];
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// min:
minpd xmm0, [rcx + rax - 128];
minpd xmm1, [rcx + rax - 112];
minpd xmm0, [rcx + rax - 96];
minpd xmm1, [rcx + rax - 80];
minpd xmm0, [rcx + rax - 64];
minpd xmm1, [rcx + rax - 48];
minpd xmm0, [rcx + rax - 32];
minpd xmm1, [rcx + rax - 16];
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
minpd xmm0, [rcx + rax];
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final Min ->
minpd xmm0, xmm1;
movhlps xmm1, xmm0;
Minsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMinUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocMaxDoubles];
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// min:
movupd xmm1, [rcx + rax - 128];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 112];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 96];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 80];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 64];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 48];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 32];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 16];
minpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [rcx + rax];
minpd xmm0, xmm1;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final Min ->
minpd xmm0, xmm3;
movhlps xmm1, xmm0;
Minsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMinAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
dec rdx;
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocMaxDoubles];
movapd xmm1, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// min:
minpd xmm0, [rcx + rax - 128];
minpd xmm1, [rcx + rax - 112];
minpd xmm0, [rcx + rax - 96];
minpd xmm1, [rcx + rax - 80];
minpd xmm0, [rcx + rax - 64];
minpd xmm1, [rcx + rax - 48];
minpd xmm0, [rcx + rax - 32];
minpd xmm1, [rcx + rax - 16];
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
minpd xmm0, [rcx + rax];
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm4, [rcx];
Minsd xmm0, xmm4;
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final Min ->
minpd xmm0, xmm1;
movhlps xmm1, xmm0;
Minsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixMinUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
dec rdx;
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocMaxDoubles];
movapd xmm3, xmm0;
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// Min
movupd xmm1, [rcx + rax - 128];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 112];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 96];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 80];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 64];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 48];
minpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 32];
minpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 16];
minpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [rcx + rax];
minpd xmm0, xmm1;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm1, [rcx];
Minsd xmm0, xmm1;
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final Min ->
minpd xmm0, xmm3;
movhlps xmm1, xmm0;
Minsd xmm0, xmm1;
// epilog - cleanup stack
end;
// ###########################################
// #### abs Min/Max operations
// ###########################################
function ASMMatrixAbsMaxAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm1, xmm0;
movupd xmm4, [rip + cLocAbsMask];
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// max:
movapd xmm2, [rcx + rax - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movapd xmm2, [rcx + rax];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixAbsMaxUnAlignedEvenW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm3, xmm0;
movupd xmm4, [rip + cLocAbsMask];
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// max:
movupd xmm1, [rcx + rax - 128];
andpd xmm1, xmm4;
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 112];
andpd xmm2, xmm4;
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 96];
andpd xmm1, xmm4;
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 80];
andpd xmm2, xmm4;
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 64];
andpd xmm1, xmm4;
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 48];
andpd xmm2, xmm4;
maxpd xmm3, xmm2;
movupd xmm1, [rcx + rax - 32];
andpd xmm1, xmm4;
maxpd xmm0, xmm1;
movupd xmm2, [rcx + rax - 16];
andpd xmm2, xmm4;
maxpd xmm3, xmm2;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movupd xmm1, [rcx + rax];
andpd xmm1, xmm4;
maxpd xmm0, xmm1;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm3;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixAbsMaxAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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;
{$ENDIF}
// note: RCX = mt, RDX = width, R8 = height, R9 = LineWidth
// prolog - simulate stack
dec rdx;
imul rdx, -8;
sub rcx, rdx;
// init result
movupd xmm0, [rip + cLocNegMaxDoubles];
movapd xmm1, xmm0;
movupd xmm4, [rip + cLocAbsMask];
// for y := 0 to height - 1:
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov rax, rdx;
@addforxloop:
add rax, 128;
jg @loopEnd;
// prefetch data...
// prefetch [rcx + rax];
// max:
movapd xmm2, [rcx + rax - 128];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 112];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 96];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 80];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 64];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 48];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
movapd xmm2, [rcx + rax - 32];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
movapd xmm3, [rcx + rax - 16];
andpd xmm3, xmm4;
maxpd xmm1, xmm3;
jmp @addforxloop
@loopEnd:
sub rax, 128;
jz @nextLine;
@addforxloop2:
movapd xmm2, [rcx + rax];
andpd xmm2, xmm4;
maxpd xmm0, xmm2;
add rax, 16;
jnz @addforxloop2;
@nextLine:
// special care of the last column:
movsd xmm3, [rcx];
andpd xmm3, xmm4;
maxsd xmm0, xmm3;
// next line:
add rcx, r9;
// loop y end
dec r8;
jnz @@addforyloop;
// final max ->
maxpd xmm0, xmm1;
movhlps xmm1, xmm0;
maxsd xmm0, xmm1;
// epilog - cleanup stack
end;
function ASMMatrixAbsMaxUnAlignedOddW(mt : PDouble; width, height : NativeInt; const LineWidth : NativeInt) : double; {$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}