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ASMMatrixMultOperationsx64.pas
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ASMMatrixMultOperationsx64.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 ASMMatrixMultOperationsx64;
interface
{$IFDEF CPUX64}
{$DEFINE x64}
{$ENDIF}
{$IFDEF cpux86_64}
{$DEFINE x64}
{$ENDIF}
{$IFDEF x64}
uses MatrixConst;
// full matrix operations -> there are no zero columns nor zero lines attached
procedure ASMMatrixMultAlignedEvenW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
procedure ASMMatrixMultUnAlignedEvenW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
// the width of the second matrix is uneven -> the last column of mt2 must be handled differently
procedure ASMMatrixMultAlignedEvenW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
procedure ASMMatrixMultUnAlignedEvenW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
// the width of mt1 is odd but the one of mt2 is even
procedure ASMMatrixMultAlignedOddW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
procedure ASMMatrixMultUnAlignedOddW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
// both matrices have an odd width
procedure ASMMatrixMultAlignedOddW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
procedure ASMMatrixMultUnAlignedOddW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
// som special types of multiplications used e.g. in QR Decomposition
// note the result is stored in mt2 again!
// dest = mt1'*mt2; where mt2 is a lower triangular matrix and the operation is transposition
// the function assumes a unit diagonal (does not touch the real middle elements)
// width and height values are assumed to be the "original" (non transposed) ones
procedure ASMMtxMultTria2T1(dest : PDouble; LineWidthDest : TASMNativeInt; mt1 : PDouble; LineWidth1 : TASMNativeInt;
mt2 : PDouble; LineWidth2 : TASMNativeInt;
width1, height1, width2, height2 : TASMNativeInt);
{$ENDIF}
implementation
{$IFDEF FPC} {$ASMMODE intel} {$ENDIF}
{$IFDEF x64}
procedure ASMMatrixMultAlignedEvenW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - Width2*sizeof(double);
mov rbx, Width2;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := width2*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -width1*sizeof(double);
mov rbx, width1;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices
sub r8, r13; // r8 = mt1
// for y := 0 to height1 - 1:
mov rsi, Height1;
mov rax, LineWidth2;
@@forylabel:
// for x := 0 to width2 - 1:
mov rbx, r14;
@@forxlabel:
xorpd xmm0, xmm0; // dest^ := 0
xorpd xmm7, xmm7; // (dest + 1)^ := 0;
mov rdi, r9; // valcounter2
// for idx := 0 to width1 div 2 do
mov rdx, r13;
@@InnerLoop:
movapd xmm1, [r8 + rdx];
// load 2x2 block
movapd xmm3, [rdi];
movapd xmm5, xmm3;
movapd xmm4, [rdi + rax];
add rdi, r12;
movapd xmm6, xmm4;
// swap such that we can immediately multiply
movhlps xmm4, xmm5;
movlhps xmm3, xmm6;
// it's a bit faster if we reuse a register - seems the cpu can
// then parallelize the instructions better
movapd xmm6, xmm1;
// multiply 2x2 and add
mulpd xmm3, xmm1;
mulpd xmm4, xmm6;
addpd xmm0, xmm3;
addpd xmm7, xmm4;
// end for idx := 0 to width1 div 2
//dec edx;
add rdx, 16;
jnz @@InnerLoop;
// final horizontal addition
xorpd xmm2, xmm2;
haddpd xmm0, xmm2;
haddpd xmm7, xmm2;
// compact result
movlhps xmm0, xmm7;
// store back result
movntdq [rcx], xmm0;
// increment the pointers
// inc(mt2), inc(dest);
//add dword ptr [mt2], 8;
add r9, 16;
add rcx, 16;
// end for x := 0 to width2 - 1
dec rbx;
jnz @@forxlabel;
// dec(mt2, Width2);
// inc(PByte(mt1), LineWidth1);
// inc(PByte(dest), destOffset);
//mov ebx, bytesWidth2;
//sub dword ptr [mt2], ebx;
sub r9, r11;
add r8, LineWidth1;
add rcx, r15;
// end for y := 0 to height1 - 1
//dec eax;
dec rsi;
jnz @@forylabel;
// epilog
mov rbx, iRBX;
mov rsi, iRSI;
mov rdi, iRDI;
mov r12, iR12;
mov r13, iR13;
mov r14, iR14;
mov r15, iR15;
movupd xmm4, dXMM4;
movupd xmm5, dXMM5;
movupd xmm6, dXMM6;
movupd xmm7, dXMM7;
end;
{$IFDEF FPC}
end;
{$ENDIF}
procedure ASMMatrixMultUnAlignedEvenW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - Width2*sizeof(double);
mov rbx, Width2;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := width2*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -width1*sizeof(double);
mov rbx, width1;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices
sub r8, r13; // r8 = mt1
// for y := 0 to height1 - 1:
mov rsi, Height1;
mov rax, LineWidth2;
@@forylabel:
// for x := 0 to width2 - 1:
mov rbx, r14;
@@forxlabel:
xorpd xmm0, xmm0; // dest^ := 0
xorpd xmm7, xmm7; // (dest + 1)^ := 0;
mov rdi, r9; // valcounter2
// for idx := 0 to width1 div 2 do
mov rdx, r13;
@@InnerLoop:
movupd xmm1, [r8 + rdx];
// load 2x2 block
movupd xmm3, [rdi];
movupd xmm5, xmm3;
movupd xmm4, [rdi + rax];
add rdi, r12;
movupd xmm6, xmm4;
// swap such that we can immediately multiply
movhlps xmm4, xmm5;
movlhps xmm3, xmm6;
// it's a bit faster if we reuse a register - seems the cpu can
// then parallelize the instructions better
movupd xmm6, xmm1;
// multiply 2x2 and add
mulpd xmm3, xmm1;
mulpd xmm4, xmm6;
addpd xmm0, xmm3;
addpd xmm7, xmm4;
// end for idx := 0 to width1 div 2
//dec edx;
add rdx, 16;
jnz @@InnerLoop;
// final horizontal addition
xorpd xmm2, xmm2;
haddpd xmm0, xmm2;
haddpd xmm7, xmm2;
// compact result
movlhps xmm0, xmm7;
// store back result
movupd [rcx], xmm0;
// increment the pointers
// inc(mt2), inc(dest);
//add dword ptr [mt2], 8;
add r9, 16;
add rcx, 16;
// end for x := 0 to width2 - 1
dec rbx;
jnz @@forxlabel;
// dec(mt2, Width2);
// inc(PByte(mt1), LineWidth1);
// inc(PByte(dest), destOffset);
//mov ebx, bytesWidth2;
//sub dword ptr [mt2], ebx;
sub r9, r11;
add r8, LineWidth1;
add rcx, r15;
// end for y := 0 to height1 - 1
//dec eax;
dec rsi;
jnz @@forylabel;
// epilog
mov rbx, iRBX;
mov rsi, iRSI;
mov rdi, iRDI;
mov r12, iR12;
mov r13, iR13;
mov r14, iR14;
mov r15, iR15;
movupd xmm4, dXMM4;
movupd xmm5, dXMM5;
movupd xmm6, dXMM6;
movupd xmm7, dXMM7;
end;
{$IFDEF FPC}
end;
{$ENDIF}
// the width of the second matrix is uneven -> the last column of mt2 must be handled differently
procedure ASMMatrixMultAlignedEvenW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - (Width2 - 1)*sizeof(double);
mov rbx, Width2;
dec rbx;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := (width2 - 1)*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -width1*sizeof(double);
mov rbx, width1;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices
sub r8, r13; // r8 = mt1
// for y := 0 to height1 - 1:
mov rsi, Height1;
mov rax, LineWidth2;
@@forylabel:
// for x := 0 to width2 - 1:
mov rbx, r14;
@@forxlabel:
xorpd xmm0, xmm0; // dest^ := 0
xorpd xmm7, xmm7; // (dest + 1)^ := 0;
mov rdi, r9; // valcounter2
// for idx := 0 to width1 div 2 do
mov rdx, r13;
@@InnerLoop:
movapd xmm1, [r8 + rdx];
// load 2x2 block
movapd xmm3, [rdi];
movapd xmm5, xmm3;
movapd xmm4, [rdi + rax];
add rdi, r12;
movapd xmm6, xmm4;
// swap such that we can immediately multiply
movhlps xmm4, xmm5;
movlhps xmm3, xmm6;
// it's a bit faster if we reuse a register - seems the cpu can
// then parallelize the instructions better
movapd xmm6, xmm1;
// multiply 2x2 and add
mulpd xmm3, xmm1;
mulpd xmm4, xmm6;
addpd xmm0, xmm3;
addpd xmm7, xmm4;
// end for idx := 0 to width1 div 2
//dec edx;
add rdx, 16;
jnz @@InnerLoop;
// final horizontal addition
xorpd xmm2, xmm2;
haddpd xmm0, xmm2;
haddpd xmm7, xmm2;
// compact result
movlhps xmm0, xmm7;
// store back result
movntdq [rcx], xmm0;
// increment the pointers
// inc(mt2), inc(dest);
//add dword ptr [mt2], 8;
add r9, 16;
add rcx, 16;
// end for x := 0 to width2 - 1
dec rbx;
jnz @@forxlabel;
// handle the last column of mt2
xorpd xmm0, xmm0; // dest^ := 0
mov rdi, r9; // valcounter2
mov rdx, r13;
@@InnerLoop2:
// load element from line
movlpd xmm1, [r8 + rdx];
// load, multiply and add
mulsd xmm1, [rdi];
add rdi, rax; // next row
addsd xmm0, xmm1;
add rdx, 8;
jnz @@InnerLoop2;
movlpd [rcx], xmm0;
// dec(mt2, Width2);
// inc(PByte(mt1), LineWidth1);
// inc(PByte(dest), destOffset);
//mov ebx, bytesWidth2;
//sub dword ptr [mt2], ebx;
sub r9, r11;
add r8, LineWidth1;
add rcx, r15;
// end for y := 0 to height1 - 1
//dec eax;
dec rsi;
jnz @@forylabel;
// epilog
mov rbx, iRBX;
mov rsi, iRSI;
mov rdi, iRDI;
mov r12, iR12;
mov r13, iR13;
mov r14, iR14;
mov r15, iR15;
movupd xmm4, dXMM4;
movupd xmm5, dXMM5;
movupd xmm6, dXMM6;
movupd xmm7, dXMM7;
end;
{$IFDEF FPC}
end;
{$ENDIF}
procedure ASMMatrixMultUnAlignedEvenW1OddW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - (Width2 - 1)*sizeof(double);
mov rbx, Width2;
dec rbx;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := (width2 - 1)*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -width1*sizeof(double);
mov rbx, width1;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices
sub r8, r13; // r8 = mt1
// for y := 0 to height1 - 1:
mov rsi, Height1;
mov rax, LineWidth2;
@@forylabel:
// for x := 0 to width2 - 1:
mov rbx, r14;
@@forxlabel:
xorpd xmm0, xmm0; // dest^ := 0
xorpd xmm7, xmm7; // (dest + 1)^ := 0;
mov rdi, r9; // valcounter2
// for idx := 0 to width1 div 2 do
mov rdx, r13;
@@InnerLoop:
movupd xmm1, [r8 + rdx];
// load 2x2 block
movupd xmm3, [rdi];
movupd xmm5, xmm3;
movupd xmm4, [rdi + rax];
add rdi, r12;
movupd xmm6, xmm4;
// swap such that we can immediately multiply
movhlps xmm4, xmm5;
movlhps xmm3, xmm6;
// it's a bit faster if we reuse a register - seems the cpu can
// then parallelize the instructions better
movupd xmm6, xmm1;
// multiply 2x2 and add
mulpd xmm3, xmm1;
mulpd xmm4, xmm6;
addpd xmm0, xmm3;
addpd xmm7, xmm4;
// end for idx := 0 to width1 div 2
//dec edx;
add rdx, 16;
jnz @@InnerLoop;
// final horizontal addition
xorpd xmm2, xmm2;
haddpd xmm0, xmm2;
haddpd xmm7, xmm2;
// compact result
movlhps xmm0, xmm7;
// store back result
movupd [rcx], xmm0;
// increment the pointers
// inc(mt2), inc(dest);
//add dword ptr [mt2], 8;
add r9, 16;
add rcx, 16;
// end for x := 0 to width2 - 1
dec rbx;
jnz @@forxlabel;
// handle the last column of mt2
xorpd xmm0, xmm0; // dest^ := 0
mov rdi, r9; // valcounter2
mov rdx, r13;
@@InnerLoop2:
// load element from line
movlpd xmm1, [r8 + rdx];
// load, multiply and add
mulsd xmm1, [rdi];
add rdi, rax; // next row
addsd xmm0, xmm1;
add rdx, 8;
jnz @@InnerLoop2;
movlpd [rcx], xmm0;
// dec(mt2, Width2);
// inc(PByte(mt1), LineWidth1);
// inc(PByte(dest), destOffset);
//mov ebx, bytesWidth2;
//sub dword ptr [mt2], ebx;
sub r9, r11;
add r8, LineWidth1;
add rcx, r15;
// end for y := 0 to height1 - 1
//dec eax;
dec rsi;
jnz @@forylabel;
// epilog
mov rbx, iRBX;
mov rsi, iRSI;
mov rdi, iRDI;
mov r12, iR12;
mov r13, iR13;
mov r14, iR14;
mov r15, iR15;
movupd xmm4, dXMM4;
movupd xmm5, dXMM5;
movupd xmm6, dXMM6;
movupd xmm7, dXMM7;
end;
{$IFDEF FPC}
end;
{$ENDIF}
// the width of mt1 is odd but the one of mt2 is even
procedure ASMMatrixMultAlignedOddW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - Width2*sizeof(double);
mov rbx, Width2;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := width2*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -(width1 - 1)*sizeof(double);
mov rbx, width1;
dec rbx;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices
sub r8, r13; // r8 = mt1
// for y := 0 to height1 - 1:
mov rsi, Height1;
mov rax, LineWidth2;
@@forylabel:
// for x := 0 to width2 - 1:
mov rbx, r14;
@@forxlabel:
xorpd xmm0, xmm0; // dest^ := 0
xorpd xmm7, xmm7; // (dest + 1)^ := 0;
mov rdi, r9; // valcounter2
// for idx := 0 to width1 div 2 do
mov rdx, r13;
@@InnerLoop:
movapd xmm1, [r8 + rdx];
// load 2x2 block
movapd xmm3, [rdi];
movapd xmm5, xmm3;
movapd xmm4, [rdi + rax];
add rdi, r12;
movapd xmm6, xmm4;
// swap such that we can immediately multiply
movhlps xmm4, xmm5;
movlhps xmm3, xmm6;
// it's a bit faster if we reuse a register - seems the cpu can
// then parallelize the instructions better
movapd xmm6, xmm1;
// multiply 2x2 and add
mulpd xmm3, xmm1;
mulpd xmm4, xmm6;
addpd xmm0, xmm3;
addpd xmm7, xmm4;
// end for idx := 0 to width1 div 2
//dec edx;
add rdx, 16;
jnz @@InnerLoop;
// special treatment of the last column of mt1:
movddup xmm1, [r8];
movapd xmm3, [rdi];
mulpd xmm1, xmm3;
// final horizontal addition
xorpd xmm3, xmm3;
movq xmm2, xmm1;
addsd xmm0, xmm2;
haddpd xmm0, xmm3;
xorpd xmm2, xmm2;
movhlps xmm2, xmm1;
addsd xmm7, xmm2;
haddpd xmm7, xmm3;
// compact result
movlhps xmm0, xmm7;
// store back result
movntdq [rcx], xmm0;
// increment the pointers
// inc(mt2), inc(dest);
//add dword ptr [mt2], 8;
add r9, 16;
add rcx, 16;
// end for x := 0 to width2 - 1
dec rbx;
jnz @@forxlabel;
// dec(mt2, Width2);
// inc(PByte(mt1), LineWidth1);
// inc(PByte(dest), destOffset);
//mov ebx, bytesWidth2;
//sub dword ptr [mt2], ebx;
sub r9, r11;
add r8, LineWidth1;
add rcx, r15;
// end for y := 0 to height1 - 1
//dec eax;
dec rsi;
jnz @@forylabel;
// epilog
mov rbx, iRBX;
mov rsi, iRSI;
mov rdi, iRDI;
mov r12, iR12;
mov r13, iR13;
mov r14, iR14;
mov r15, iR15;
movupd xmm4, dXMM4;
movupd xmm5, dXMM5;
movupd xmm6, dXMM6;
movupd xmm7, dXMM7;
end;
{$IFDEF FPC}
end;
{$ENDIF}
procedure ASMMatrixMultUnAlignedOddW1EvenW2(dest : PDouble; const destLineWidth : TASMNativeInt; mt1, mt2 : PDouble; width1, height1, width2, height2 : TASMNativeInt; const LineWidth1, LineWidth2 : TASMNativeInt);
var dXMM4, dXMM5, dXMM6, dXMM7 : Array[0..1] of double;
iRBX, iRSI, iRDI, iR12, iR13, iR14, iR15 : NativeInt;
{$IFDEF FPC}
begin
{$ENDIF}
asm
// note: RCX = dest, RDX = destLineWidth, R8 = mt1, R9 = mt2
// prolog - simulate stack
mov iRBX, rbx;
mov iRSI, rsi;
mov iRDI, rdi;
mov iR12, r12;
mov iR13, r13;
mov iR14, r14;
mov iR15, r15;
movupd dXMM4, xmm4;
movupd dXMM5, xmm5;
movupd dXMM6, xmm6;
movupd dXMM7, xmm7;
{
.pushnv rbx;
.pushnv rsi;
.pushnv rdi;
.pushnv r12;
.pushnv r13;
.pushnv r14;
.pushnv r15;
.savenv xmm4;
.savenv xmm5;
.savenv xmm6;
.savenv xmm7;
}
//destOffset := destLineWidth - Width2*sizeof(double);
mov rbx, Width2;
shl rbx, 3;
mov r15, destLineWidth;
sub r15, rbx;
//bytesWidth2 := width2*sizeof(double);
mov r11, rbx;
//iters1 := width2 div 2;
mov r14, width2;
shr r14, 1;
//iters2 := -(width1 - 1)*sizeof(double);
mov rbx, width1;
dec rbx;
shl rbx, 3;
imul rbx, -1;
mov r13, rbx;
//Linewidth2_2 := 2*LineWidth2;
mov r12, LineWidth2;
shl r12, 1;
// initalize matrices