186 lines
3.3 KiB
ArmAsm
186 lines
3.3 KiB
ArmAsm
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// Code generated by command: go run valid_print_asm.go -pkg ascii -out ../ascii/valid_print_amd64.s -stubs ../ascii/valid_print_amd64.go. DO NOT EDIT.
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//go:build !purego
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// +build !purego
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#include "textflag.h"
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// func ValidPrintString(s string) bool
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// Requires: AVX, AVX2, SSE4.1
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TEXT ·ValidPrintString(SB), NOSPLIT, $0-17
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MOVQ s_base+0(FP), AX
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MOVQ s_len+8(FP), CX
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CMPQ CX, $0x10
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JB init_x86
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BTL $0x08, github·com∕segmentio∕asm∕cpu·X86+0(SB)
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JCS init_avx
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init_x86:
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CMPQ CX, $0x08
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JB cmp4
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MOVQ $0xdfdfdfdfdfdfdfe0, DX
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MOVQ $0x0101010101010101, BX
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MOVQ $0x8080808080808080, SI
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cmp8:
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MOVQ (AX), DI
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MOVQ DI, R8
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LEAQ (DI)(DX*1), R9
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NOTQ R8
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ANDQ R8, R9
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LEAQ (DI)(BX*1), R8
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ORQ R8, DI
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ORQ R9, DI
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ADDQ $0x08, AX
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SUBQ $0x08, CX
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TESTQ SI, DI
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JNE done
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CMPQ CX, $0x08
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JB cmp4
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JMP cmp8
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cmp4:
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CMPQ CX, $0x04
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JB cmp3
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MOVL (AX), DX
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MOVL DX, BX
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LEAL 3755991008(DX), SI
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NOTL BX
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ANDL BX, SI
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LEAL 16843009(DX), BX
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ORL BX, DX
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ORL SI, DX
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ADDQ $0x04, AX
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SUBQ $0x04, CX
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TESTL $0x80808080, DX
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JNE done
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cmp3:
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CMPQ CX, $0x03
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JB cmp2
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MOVWLZX (AX), DX
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MOVBLZX 2(AX), AX
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SHLL $0x10, AX
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ORL DX, AX
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ORL $0x20000000, AX
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JMP final
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cmp2:
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CMPQ CX, $0x02
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JB cmp1
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MOVWLZX (AX), AX
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ORL $0x20200000, AX
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JMP final
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cmp1:
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CMPQ CX, $0x00
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JE done
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MOVBLZX (AX), AX
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ORL $0x20202000, AX
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final:
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MOVL AX, CX
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LEAL 3755991008(AX), DX
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NOTL CX
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ANDL CX, DX
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LEAL 16843009(AX), CX
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ORL CX, AX
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ORL DX, AX
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TESTL $0x80808080, AX
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done:
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SETEQ ret+16(FP)
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RET
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init_avx:
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MOVB $0x1f, DL
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PINSRB $0x00, DX, X8
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VPBROADCASTB X8, Y8
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MOVB $0x7e, DL
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PINSRB $0x00, DX, X9
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VPBROADCASTB X9, Y9
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cmp128:
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CMPQ CX, $0x80
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JB cmp64
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VMOVDQU (AX), Y0
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VMOVDQU 32(AX), Y1
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VMOVDQU 64(AX), Y2
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VMOVDQU 96(AX), Y3
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VPCMPGTB Y8, Y0, Y4
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VPCMPGTB Y9, Y0, Y0
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VPANDN Y4, Y0, Y0
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VPCMPGTB Y8, Y1, Y5
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VPCMPGTB Y9, Y1, Y1
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VPANDN Y5, Y1, Y1
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VPCMPGTB Y8, Y2, Y6
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VPCMPGTB Y9, Y2, Y2
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VPANDN Y6, Y2, Y2
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VPCMPGTB Y8, Y3, Y7
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VPCMPGTB Y9, Y3, Y3
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VPANDN Y7, Y3, Y3
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VPAND Y1, Y0, Y0
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VPAND Y3, Y2, Y2
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VPAND Y2, Y0, Y0
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ADDQ $0x80, AX
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SUBQ $0x80, CX
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VPMOVMSKB Y0, DX
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XORL $0xffffffff, DX
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JNE done
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JMP cmp128
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cmp64:
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CMPQ CX, $0x40
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JB cmp32
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VMOVDQU (AX), Y0
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VMOVDQU 32(AX), Y1
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VPCMPGTB Y8, Y0, Y2
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VPCMPGTB Y9, Y0, Y0
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VPANDN Y2, Y0, Y0
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VPCMPGTB Y8, Y1, Y3
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VPCMPGTB Y9, Y1, Y1
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VPANDN Y3, Y1, Y1
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VPAND Y1, Y0, Y0
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ADDQ $0x40, AX
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SUBQ $0x40, CX
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VPMOVMSKB Y0, DX
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XORL $0xffffffff, DX
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JNE done
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cmp32:
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CMPQ CX, $0x20
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JB cmp16
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VMOVDQU (AX), Y0
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VPCMPGTB Y8, Y0, Y1
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VPCMPGTB Y9, Y0, Y0
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VPANDN Y1, Y0, Y0
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ADDQ $0x20, AX
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SUBQ $0x20, CX
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VPMOVMSKB Y0, DX
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XORL $0xffffffff, DX
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JNE done
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cmp16:
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CMPQ CX, $0x10
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JLE cmp_tail
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VMOVDQU (AX), X0
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VPCMPGTB X8, X0, X1
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VPCMPGTB X9, X0, X0
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VPANDN X1, X0, X0
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ADDQ $0x10, AX
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SUBQ $0x10, CX
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VPMOVMSKB X0, DX
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XORL $0x0000ffff, DX
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JNE done
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cmp_tail:
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SUBQ $0x10, CX
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ADDQ CX, AX
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VMOVDQU (AX), X0
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VPCMPGTB X8, X0, X1
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VPCMPGTB X9, X0, X0
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VPANDN X1, X0, X0
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VPMOVMSKB X0, DX
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XORL $0x0000ffff, DX
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JMP done
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