d3f98ef7bc
- Optimized soft AES code, up to +30% hashrate on CPU without AES support - Added prefetch for the first dataset access, up to +0.1% hashrate
54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
;# callee-saved registers - Microsoft x64 calling convention
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push rbx
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push rbp
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push rdi
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push rsi
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push r12
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push r13
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push r14
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push r15
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sub rsp, 80
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movdqu xmmword ptr [rsp+64], xmm6
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movdqu xmmword ptr [rsp+48], xmm7
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movdqu xmmword ptr [rsp+32], xmm8
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movdqu xmmword ptr [rsp+16], xmm9
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movdqu xmmword ptr [rsp+0], xmm10
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sub rsp, 80
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movdqu xmmword ptr [rsp+64], xmm11
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movdqu xmmword ptr [rsp+48], xmm12
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movdqu xmmword ptr [rsp+32], xmm13
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movdqu xmmword ptr [rsp+16], xmm14
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movdqu xmmword ptr [rsp+0], xmm15
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;# function arguments
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push rcx ;# RegisterFile& registerFile
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mov rbp, qword ptr [rdx] ;# "mx", "ma"
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mov rdi, qword ptr [rdx+8] ;# uint8_t* dataset
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;# dataset prefetch for the first iteration of the main loop
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mov rax, rbp
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shr rax, 32
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and eax, RANDOMX_DATASET_BASE_MASK
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prefetchnta byte ptr [rdi+rax]
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mov rsi, r8 ;# uint8_t* scratchpad
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mov rbx, r9 ;# loop counter
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mov rax, rbp
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;# zero integer registers
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xor r8, r8
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xor r9, r9
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xor r10, r10
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xor r11, r11
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xor r12, r12
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xor r13, r13
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xor r14, r14
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xor r15, r15
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;# load constant registers
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lea rcx, [rcx+120]
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movapd xmm8, xmmword ptr [rcx+72]
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movapd xmm9, xmmword ptr [rcx+88]
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movapd xmm10, xmmword ptr [rcx+104]
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movapd xmm11, xmmword ptr [rcx+120]
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