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omrope79 37c9ab1815 Merge pull request #29226 from omrope79:fix_mlas_x86
Fix MLAS 32-bit x86 build by integrating missing upstream assembly files #29226

### Pull Request Readiness Checklist

This resolves the 32-bit x86 build failure for MLAS. Related to: https://github.com/opencv/opencv/pull/29218

* Added the required `x86` assembly files and headers from upstream.
* Added `__x86_64__` guards around the AMX `syscall` and the FMA3/AVX512F kernel assignments to prevent 32-bit compilation crashes.

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
2026-06-04 23:33:54 +03:00

407 lines
12 KiB
ArmAsm

/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the MIT License.
Module Name:
SgemmKernelSse2.s
Abstract:
This module implements the kernels for the single precision matrix/matrix
multiply operation (SGEMM).
This implementation uses SSE2 instructions.
--*/
#include "asmmacro.h"
.intel_syntax noprefix
//
// Stack frame layout for the SGEMM kernel.
//
.equ .LSgemmKernelFrame_SavedEdi, 0
.equ .LSgemmKernelFrame_SavedEsi, 4
.equ .LSgemmKernelFrame_SavedEbx, 8
.equ .LSgemmKernelFrame_SavedEbp, 12
.equ .LSgemmKernelFrame_ReturnAddress, 16
.equ .LSgemmKernelFrame_MatrixA, 20
.equ .LSgemmKernelFrame_MatrixB, 24
.equ .LSgemmKernelFrame_MatrixC, 28
.equ .LSgemmKernelFrame_CountK, 32
.equ .LSgemmKernelFrame_CountM, 36
.equ .LSgemmKernelFrame_CountN, 40
.equ .LSgemmKernelFrame_lda, 44
.equ .LSgemmKernelFrame_ldc, 48
.equ .LSgemmKernelFrame_alpha, 52
.equ .LSgemmKernelFrame_ZeroMode, 56
.text
/*++
Macro Description:
This macro multiplies and accumulates for a Nx1 block of the output matrix.
Arguments:
VectorOffset - Supplies the byte offset from matrix B to fetch elements.
Shuffle - Supplies the shuffle mask to extract the element from matrix A.
Implicit Arguments:
ebx - Supplies the length in bytes of a row from matrix A.
ecx - Supplies the address into the matrix A data.
edx - Supplies the address into the matrix B data.
xmm2 - Supplies up to four elements loaded from matrix A.
xmm4-xmm7 - Supplies the block accumulators.
--*/
.macro ComputeBlockSseBy4 VectorOffset, Shuffle
pshufd xmm3,xmm1,\Shuffle\()
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()]
mulps xmm0,xmm3
addps xmm4,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+16]
mulps xmm0,xmm3
addps xmm5,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+32]
mulps xmm0,xmm3
addps xmm6,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+48]
mulps xmm0,xmm3
addps xmm7,xmm0
.endm
.macro ComputeBlockSseBy3 VectorOffset, Shuffle
pshufd xmm3,xmm1,\Shuffle\()
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()]
mulps xmm0,xmm3
addps xmm5,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+16]
mulps xmm0,xmm3
addps xmm6,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+32]
mulps xmm0,xmm3
addps xmm7,xmm0
.endm
.macro ComputeBlockSseBy2 VectorOffset, Shuffle
pshufd xmm3,xmm1,\Shuffle\()
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()]
mulps xmm0,xmm3
addps xmm6,xmm0
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()+16]
mulps xmm0,xmm3
addps xmm7,xmm0
.endm
.macro ComputeBlockSseBy1 VectorOffset, Shuffle
pshufd xmm3,xmm1,\Shuffle\()
movaps xmm0,XMMWORD PTR [edx+\VectorOffset\()]
mulps xmm0,xmm3
addps xmm7,xmm0
.endm
/*++
Macro Description:
This macro generates code to execute the block compute macro multiple
times and advancing the matrix A and matrix B data pointers.
Arguments:
ComputeBlock - Supplies the macro to compute a single block.
RowCount - Supplies the number of rows to process.
Implicit Arguments:
ebx - Supplies the number of bytes to the next row of matrix A.
ecx - Supplies the address into the matrix A data.
edx - Supplies the address into the matrix B data.
edi - Supplies the number of columns from matrix A and the number of rows
from matrix B to iterate over.
xmm4-xmm7 - Supplies the block accumulators.
--*/
.macro ComputeBlockSseLoop RowCount
sub edi,4
jb .LProcessRemainingBlocks\@
.LComputeBlockBy4Loop\@:
movups xmm1,XMMWORD PTR [ecx]
ComputeBlockSseBy\RowCount\() 0, 0x00
ComputeBlockSseBy\RowCount\() 16*4, 0x55
sub edx,-32*4 # advance matrix B by 32 columns
ComputeBlockSseBy\RowCount\() 0, 0xAA
ComputeBlockSseBy\RowCount\() 16*4, 0xFF
sub edx,-32*4 # advance matrix B by 32 columns
add ecx,4*4 # advance matrix A by 4 columns
sub edi,4
jae .LComputeBlockBy4Loop\@
.LProcessRemainingBlocks\@:
add edi,4 # correct for over-subtract above
jz .LOutputBlock\@
.LComputeBlockBy1Loop\@:
movss xmm1,DWORD PTR [ecx]
ComputeBlockSseBy\RowCount\() 0, 0x00
add edx,16*4 # advance matrix B by 16 columns
add ecx,4 # advance matrix A by 1 column
dec edi
jne .LComputeBlockBy1Loop\@
.LOutputBlock\@:
.endm
/*++
Routine Description:
This routine is an inner kernel to compute matrix multiplication for a
set of rows.
Arguments:
A - Supplies the address of matrix A.
B - Supplies the address of matrix B. The matrix data has been packed using
MlasSgemmCopyPackB or MlasSgemmTransposePackB.
C - Supplies the address of matrix C.
CountK - Supplies the number of columns from matrix A and the number of
rows from matrix B to iterate over.
CountM - Supplies the maximum number of rows that can be processed for
matrix A and matrix C. The actual number of rows handled for this
invocation depends on the kernel implementation.
CountN - Supplies the number of columns from matrix B and matrix C to
iterate over.
lda - Supplies the first dimension of matrix A.
ldc - Supplies the first dimension of matrix C.
Alpha - Supplies the scalar multiplier (see SGEMM definition).
ZeroMode - Supplies true if the output matrix must be zero initialized,
else false if the output matrix is accumulated into.
Return Value:
Returns the number of rows handled.
--*/
FUNCTION_ENTRY MlasGemmFloatKernelSse
push ebp
push ebx
push esi
push edi
mov edx,.LSgemmKernelFrame_MatrixB[esp]
mov esi,.LSgemmKernelFrame_MatrixC[esp]
mov ebp,.LSgemmKernelFrame_CountN[esp]
//
// Process 1 row of the matrices.
//
mov eax,.LSgemmKernelFrame_CountK[esp]
mov ebx,.LSgemmKernelFrame_MatrixA[esp]
cmp ebp,12
jbe .LProcessRemainingCountN
.LProcessNextColumnLoop16x1:
mov edi,eax # reload CountK
mov ecx,ebx # reload matrix A
xorps xmm4,xmm4 # clear block accumulators
xorps xmm5,xmm5
xorps xmm6,xmm6
xorps xmm7,xmm7
ComputeBlockSseLoop 4
movss xmm2,DWORD PTR .LSgemmKernelFrame_alpha[esp]
shufps xmm2,xmm2,0
mulps xmm4,xmm2 # multiply by alpha
mulps xmm5,xmm2
mulps xmm6,xmm2
mulps xmm7,xmm2
sub ebp,16
jb .LOutputMasked16x1Block
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateOutput16x1
movups xmm0,XMMWORD PTR [esi]
movups xmm1,XMMWORD PTR [esi+16]
movups xmm2,XMMWORD PTR [esi+32]
movups xmm3,XMMWORD PTR [esi+48]
addps xmm4,xmm0
addps xmm5,xmm1
addps xmm6,xmm2
addps xmm7,xmm3
.LSkipAccumulateOutput16x1:
movups XMMWORD PTR [esi],xmm4
movups XMMWORD PTR [esi+16],xmm5
movups XMMWORD PTR [esi+32],xmm6
movups XMMWORD PTR [esi+48],xmm7
add esi,16*4 # advance matrix C by 16 columns
cmp ebp,12
ja .LProcessNextColumnLoop16x1
test ebp,ebp
jnz .LProcessRemainingCountN
//
// Restore non-volatile registers and return.
//
.LExitKernel:
mov eax,1 # return 1 row handled
pop edi
pop esi
pop ebx
pop ebp
ret
//
// Process the remaining 1 to 12 columns of the matrices.
//
.LProcessRemainingCountN:
mov edi,eax # reload CountK
mov ecx,ebx # reload matrix A
movss xmm4,DWORD PTR .LSgemmKernelFrame_alpha[esp]
shufps xmm4,xmm4,0
xorps xmm5,xmm5 # clear block accumulators
xorps xmm6,xmm6
xorps xmm7,xmm7
cmp ebp,4
jbe .LProcessRemainingCountN4OrLess
cmp ebp,8
jbe .LProcessRemainingCountN8OrLess
.LProcessRemainingCountN12OrLess:
ComputeBlockSseLoop 3
mulps xmm5,xmm4 # multiply by alpha
mulps xmm6,xmm4
mulps xmm7,xmm4
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateLeadingN12OrLess
movups xmm0,XMMWORD PTR [esi]
movups xmm1,XMMWORD PTR [esi+16]
addps xmm5,xmm0
addps xmm6,xmm1
.LSkipAccumulateLeadingN12OrLess:
movups XMMWORD PTR [esi],xmm5
movups XMMWORD PTR [esi+16],xmm6
add esi,8*4 # advance matrix C by 8 columns
jmp .LOutputTrailingBlock
.LProcessRemainingCountN8OrLess:
ComputeBlockSseLoop 2
mulps xmm6,xmm4 # multiply by alpha
mulps xmm7,xmm4
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateLeadingN8OrLess
movups xmm0,XMMWORD PTR [esi]
addps xmm6,xmm0
.LSkipAccumulateLeadingN8OrLess:
movups XMMWORD PTR [esi],xmm6
add esi,4*4 # advance matrix C by 4 columns
jmp .LOutputTrailingBlock
.LProcessRemainingCountN4OrLess:
ComputeBlockSseLoop 1
mulps xmm7,xmm4 # multiply by alpha
jmp .LOutputTrailingBlock
.LOutputMasked16x1Block:
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateLeading16x1Block
movups xmm0,XMMWORD PTR [esi]
movups xmm1,XMMWORD PTR [esi+16]
movups xmm2,XMMWORD PTR [esi+32]
addps xmm4,xmm0
addps xmm5,xmm1
addps xmm6,xmm2
.LSkipAccumulateLeading16x1Block:
movups XMMWORD PTR [esi],xmm4
movups XMMWORD PTR [esi+16],xmm5
movups XMMWORD PTR [esi+32],xmm6
add esi,12*4 # advance matrix C by 12 columns
.LOutputTrailingBlock:
test ebp,3
jz .LOutputTrailingBlock4Elements
test ebp,2
jz .LOutputTrailingBlock1Element
.LOutputTrailingBlock2Elements:
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateTrailingBlock2Elements
movsd xmm0,QWORD PTR [esi]
addps xmm7,xmm0
.LSkipAccumulateTrailingBlock2Elements:
movsd QWORD PTR [esi],xmm7
test ebp,1
jz .LExitKernel
shufps xmm7,xmm7,0xAA # shuffle third float down
add esi,2*4 # advance matrix C by 2 columns
.LOutputTrailingBlock1Element:
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateTrailingBlock1Element
movss xmm0,DWORD PTR [esi]
addss xmm7,xmm0
.LSkipAccumulateTrailingBlock1Element:
movss DWORD PTR [esi],xmm7
jmp .LExitKernel
.LOutputTrailingBlock4Elements:
cmp BYTE PTR .LSgemmKernelFrame_ZeroMode[esp],0
jnz .LSkipAccumulateTrailingBlock4Elements
movups xmm0,XMMWORD PTR [esi]
addps xmm7,xmm0
.LSkipAccumulateTrailingBlock4Elements:
movups XMMWORD PTR [esi],xmm7
jmp .LExitKernel
.end