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Copy pathLZCNT_Demo_Asm.asm
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LZCNT_Demo_Asm.asm
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.data
gfni_revbit dq 08040201008040201h
gfni_tzcnt dq 0aaccf0ff00000000h
fp16_expbias dd 001e001eh
max_lzcntw dd 00100010h
repeats equ 1000000h
.code
INIT8 macro VECREGSIZE, ISA
IFIDNI <ISA>, <BITALG>
IFIDNI <VECREGSIZE>, <XMM>
vpcmpeqb xmm1, xmm1, xmm1
vmovddup xmm2, qword ptr [gfni_revbit]
ELSEIFIDNI <VECREGSIZE>, <YMM>
vpcmpeqb ymm1, ymm1, ymm1
vpbroadcastq ymm2, qword ptr [gfni_revbit]
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vpternlogd zmm1, zmm1, zmm1, 0ffh
vpbroadcastq zmm2, qword ptr [gfni_revbit]
ENDIF
ELSEIFIDNI <ISA>, <GFNI>
IFIDNI <VECREGSIZE>, <XMM>
vpcmpeqb xmm1, xmm1, xmm1
vmovddup xmm2, qword ptr [gfni_revbit]
vmovddup xmm3, qword ptr [gfni_tzcnt]
ELSEIFIDNI <VECREGSIZE>, <YMM>
vpcmpeqb ymm1, ymm1, ymm1
vpbroadcastq ymm2, qword ptr [gfni_revbit]
vpbroadcastq ymm3, qword ptr [gfni_tzcnt]
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vpternlogd zmm1, zmm1, zmm1, 0ffh
vpbroadcastq zmm2, qword ptr [gfni_revbit]
vpbroadcastq zmm3, qword ptr [gfni_tzcnt]
ENDIF
ENDIF
endm
CORE8 macro VECREGSIZE, ISA
IFIDNI <ISA>, <BITALG>
IFIDNI <VECREGSIZE>, <XMM>
vgf2p8affineqb xmm0, xmm0, xmm2, 0
vpaddb xmm3, xmm0, xmm1
vpandn xmm0, xmm0, xmm3
vpopcntb xmm0, xmm0
ELSEIFIDNI <VECREGSIZE>, <YMM>
vgf2p8affineqb ymm0, ymm0, ymm2, 0
vpaddb ymm3, ymm0, ymm1
vpandn ymm0, ymm0, ymm3
vpopcntb ymm0, ymm0
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vgf2p8affineqb zmm0, zmm0, zmm2, 0
vpaddb zmm3, zmm0, zmm1
vpandnq zmm0, zmm0, zmm3
vpopcntb zmm0, zmm0
ENDIF
ELSEIFIDNI <ISA>, <GFNI>
IFIDNI <VECREGSIZE>, <XMM>
vgf2p8affineqb xmm0, xmm0, xmm2, 0
vpaddb xmm4, xmm0, xmm1
vpandn xmm0, xmm4, xmm0
vgf2p8affineqb xmm0, xmm0, xmm3, 08h
ELSEIFIDNI <VECREGSIZE>, <YMM>
vgf2p8affineqb ymm0, ymm0, ymm2, 0
vpaddb ymm4, ymm0, ymm1
vpandn ymm0, ymm4, ymm0
vgf2p8affineqb ymm0, ymm0, ymm3, 08h
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vgf2p8affineqb zmm0, zmm0, zmm2, 0
vpaddb zmm4, zmm0, zmm1
vpandnq zmm0, zmm4, zmm0
vgf2p8affineqb zmm0, zmm0, zmm3, 08h
ENDIF
ENDIF
endm
INIT16 macro VECREGSIZE, ISA
IFIDNI <ISA>, <BITALG>
IFIDNI <VECREGSIZE>, <XMM>
vpcmpeqw xmm1, xmm1, xmm1
vmovddup xmm2, qword ptr [gfni_revbit]
ELSEIFIDNI <VECREGSIZE>, <YMM>
vpcmpeqb ymm1, ymm1, ymm1
vpbroadcastq ymm2, qword ptr [gfni_revbit]
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vpternlogd zmm1, zmm1, zmm1, 0ffh
vpbroadcastq zmm2, qword ptr [gfni_revbit]
ENDIF
ELSEIFIDNI <ISA>, <FP16>
IFIDNI <VECREGSIZE>, <XMM>
;vpbroadcastd ymm1, dword ptr [fp16_expbias]
;vpbroadcastd ymm2, dword ptr [max_lzcntw]
vpxor xmm2, xmm2, xmm2
vgf2p8affineqb xmm1, xmm2, xmm2, 0f0h ;001eh const gen
vgf2p8affineqb xmm2, xmm2, xmm2, 080h ;0010h const gen
vpsrlw xmm1, xmm1, 0bh ;001eh
vpsrlw xmm2, xmm2, 0bh ;0010h
ELSEIFIDNI <VECREGSIZE>, <YMM>
;vpbroadcastd ymm1, dword ptr [fp16_expbias]
;vpbroadcastd ymm2, dword ptr [max_lzcntw]
vpxor xmm2, xmm2, xmm2
vgf2p8affineqb ymm1, ymm2, ymm2, 0f0h ;001eh const gen
vgf2p8affineqb ymm2, ymm2, ymm2, 080h ;0010h const gen
vpsrlw ymm1, ymm1, 0bh ;001eh
vpsrlw ymm2, ymm2, 0bh ;0010h
ELSEIFIDNI <VECREGSIZE>, <ZMM>
;vpbroadcastd zmm1, dword ptr [fp16_expbias]
;vpbroadcastd zmm2, dword ptr [max_lzcntw]
vpxor xmm2, xmm2, xmm2
vgf2p8affineqb zmm1, zmm2, zmm2, 0f0h ;001eh const gen
vgf2p8affineqb zmm2, zmm2, zmm2, 080h ;0010h const gen
vpsrlw zmm1, zmm1, 0bh ;001eh
vpsrlw zmm2, zmm2, 0bh ;0010h
ENDIF
ENDIF
endm
CORE16 macro VECREGSIZE, ISA
IFIDNI <ISA>, <BITALG>
IFIDNI <VECREGSIZE>, <XMM>
vpshldw xmm0, xmm0, xmm0, 8
vgf2p8affineqb xmm0, xmm0, xmm2, 0
vpaddw xmm3, xmm0, xmm1
vpandn xmm0, xmm0, xmm3
vpopcntw xmm0, xmm0
ELSEIFIDNI <VECREGSIZE>, <YMM>
vpshldw ymm0, ymm0, ymm0, 8
vgf2p8affineqb ymm0, ymm0, ymm2, 0
vpaddw ymm3, ymm0, ymm1
vpandn ymm0, ymm0, ymm3
vpopcntw ymm0, ymm0
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vpshldw zmm0, zmm0, zmm0, 8
vgf2p8affineqb zmm0, zmm0, zmm2, 0
vpaddw zmm3, zmm0, zmm1
vpandnd zmm0, zmm0, zmm3
vpopcntw zmm0, zmm0
ENDIF
ELSEIFIDNI <ISA>, <FP16>
IFIDNI <VECREGSIZE>, <XMM>
vcvtuw2ph xmm0, xmm0
vpsrlw xmm0, xmm0, 0ah
vpsubw xmm0, xmm1, xmm0
vpminuw xmm0, xmm0, xmm2
ELSEIFIDNI <VECREGSIZE>, <YMM>
vcvtuw2ph ymm0, ymm0
vpsrlw ymm0, ymm0, 0ah
vpsubw ymm0, ymm1, ymm0
vpminuw ymm0, ymm0, ymm2
ELSEIFIDNI <VECREGSIZE>, <ZMM>
vcvtuw2ph zmm0, zmm0
vpsrlw zmm0, zmm0, 0ah
vpsubw zmm0, zmm1, zmm0
vpminuw zmm0, zmm0, zmm2
ENDIF
ENDIF
endm
TIMED macro PNAME, DATA, VECREGSIZE, ISA
PNAME proc
push rbx
push rdi
push rsi
IFIDNI <DATA>, <EPI8>
INIT8 VECREGSIZE, ISA
ELSEIFIDNI <DATA>, <EPI16>
INIT16 VECREGSIZE, ISA
ENDIF
mfence
rdtscp
lfence
mov esi, eax
mov edi, edx
mov ecx, repeats
align 16
startlabel:
IFIDNI <DATA>, <EPI8>
CORE8 VECREGSIZE, ISA
ELSEIFIDNI <DATA>, <EPI16>
CORE16 VECREGSIZE, ISA
ENDIF
dec ecx
jnz startlabel
mfence
rdtscp
lfence
shl rdx, 20h
shl rdi, 20h
or rax, rdx
or rsi, rdi
sub rax, rsi
pop rsi
pop rdi
pop rbx
ret
PNAME endp
endm
NAKED macro PNAME, DATA, VECREGSIZE, ISA
PNAME proc
IFIDNI <DATA>, <EPI8>
INIT8 VECREGSIZE, ISA
ELSEIFIDNI <DATA>, <EPI16>
INIT16 VECREGSIZE, ISA
ENDIF
IFIDNI <DATA>, <EPI8>
CORE8 VECREGSIZE, ISA
ELSEIFIDNI <DATA>, <EPI16>
CORE16 VECREGSIZE, ISA
ENDIF
ret
PNAME endp
endm
TIMED _mm_lzcnt_epi8_asm_timed, EPI8, XMM, BITALG
TIMED _mm256_lzcnt_epi8_asm_timed, EPI8, YMM, BITALG
TIMED _mm512_lzcnt_epi8_asm_timed, EPI8, ZMM, BITALG
NAKED _mm_lzcnt_epi8_asm@@16, EPI8, XMM, BITALG
NAKED _mm256_lzcnt_epi8_asm@@32, EPI8, YMM, BITALG
NAKED _mm512_lzcnt_epi8_asm@@64, EPI8, ZMM, BITALG
TIMED _mm_lzcnt_gfni_epi8_asm_timed, EPI8, XMM, GFNI
TIMED _mm256_lzcnt_gfni_epi8_asm_timed, EPI8, YMM, GFNI
TIMED _mm512_lzcnt_gfni_epi8_asm_timed, EPI8, ZMM, GFNI
NAKED _mm_lzcnt_gfni_epi8_asm@@16, EPI8, XMM, GFNI
NAKED _mm256_lzcnt_gfni_epi8_asm@@32, EPI8, YMM, GFNI
NAKED _mm512_lzcnt_gfni_epi8_asm@@64, EPI8, ZMM, GFNI
TIMED _mm_lzcnt_epi16_asm_timed, EPI16, XMM, BITALG
TIMED _mm256_lzcnt_epi16_asm_timed, EPI16, YMM, BITALG
TIMED _mm512_lzcnt_epi16_asm_timed, EPI16, ZMM, BITALG
NAKED _mm_lzcnt_epi16_asm@@16, EPI16, ZMM, BITALG
NAKED _mm256_lzcnt_epi16_asm@@32, EPI16, ZMM, BITALG
NAKED _mm512_lzcnt_epi16_asm@@64, EPI16, ZMM, BITALG
TIMED _mm_lzcnt_fp16_epi16_asm_timed, EPI16, XMM, FP16
TIMED _mm256_lzcnt_fp16_epi16_asm_timed, EPI16, YMM, FP16
TIMED _mm512_lzcnt_fp16_epi16_asm_timed, EPI16, ZMM, FP16
NAKED _mm_lzcnt_fp16_epi16_asm@@16, EPI16, ZMM, FP16
NAKED _mm256_lzcnt_fp16_epi16_asm@@32, EPI16, ZMM, FP16
NAKED _mm512_lzcnt_fp16_epi16_asm@@64, EPI16, ZMM, FP16
end