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core_amd64.s
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core_amd64.s
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// +build amd64
// +build !purego
// Code generated by command: go run asm.go -out core_amd64.s. DO NOT EDIT.
#include "textflag.h"
// func chaskeyCore(h *H, m []byte, tag []byte)
TEXT ·chaskeyCore(SB), NOSPLIT, $0-56
MOVQ h+0(FP), BP
MOVL (BP), AX
MOVL 4(BP), CX
MOVL 8(BP), DX
MOVL 12(BP), BX
MOVQ 48(BP), SI
MOVQ m_base+8(FP), DI
MOVQ m_len+16(FP), R8
CMPQ R8, $0x10
JLE loop0_end
loop0_begin:
XORL (DI), AX
XORL 4(DI), CX
XORL 8(DI), DX
XORL 12(DI), BX
MOVQ SI, R9
loop1_begin:
ADDL CX, AX
ADDL BX, DX
ROLL $0x05, CX
ROLL $0x08, BX
XORL AX, CX
XORL DX, BX
ROLL $0x10, AX
ADDL BX, AX
ADDL CX, DX
ROLL $0x0d, BX
ROLL $0x07, CX
XORL AX, BX
XORL DX, CX
ROLL $0x10, DX
DECQ R9
JNZ loop1_begin
ADDQ $0x10, DI
SUBQ $0x10, R8
CMPQ R8, $0x10
JG loop0_begin
loop0_end:
CMPQ R8, $0x10
JNZ switch
ADDQ $0x10, BP
XORL (DI), AX
XORL 4(DI), CX
XORL 8(DI), DX
XORL 12(DI), BX
JMP afterSwitch
switch:
ADDQ $0x20, BP
MOVQ tag_base+32(FP), R9
MOVQ $0x00000000, (R9)
MOVQ $0x00000000, 8(R9)
CMPQ R8, $0x00
JE sw0
CMPQ R8, $0x01
JE sw1
CMPQ R8, $0x02
JE sw2
CMPQ R8, $0x03
JE sw3
CMPQ R8, $0x04
JE sw4
CMPQ R8, $0x05
JE sw5
CMPQ R8, $0x06
JE sw6
CMPQ R8, $0x07
JE sw7
CMPQ R8, $0x08
JE sw8
CMPQ R8, $0x09
JE sw9
CMPQ R8, $0x0a
JE sw10
CMPQ R8, $0x0b
JE sw11
CMPQ R8, $0x0c
JE sw12
CMPQ R8, $0x0d
JE sw13
CMPQ R8, $0x0e
JE sw14
CMPQ R8, $0x0f
JE sw15
sw15:
MOVB 14(DI), R10
MOVB R10, 14(R9)
sw14:
MOVB 13(DI), R10
MOVB R10, 13(R9)
sw13:
MOVB 12(DI), R10
MOVB R10, 12(R9)
sw12:
MOVB 11(DI), R10
MOVB R10, 11(R9)
sw11:
MOVB 10(DI), R10
MOVB R10, 10(R9)
sw10:
MOVB 9(DI), R10
MOVB R10, 9(R9)
sw9:
MOVB 8(DI), R10
MOVB R10, 8(R9)
sw8:
MOVB 7(DI), R10
MOVB R10, 7(R9)
sw7:
MOVB 6(DI), R10
MOVB R10, 6(R9)
sw6:
MOVB 5(DI), R10
MOVB R10, 5(R9)
sw5:
MOVB 4(DI), R10
MOVB R10, 4(R9)
sw4:
MOVB 3(DI), R10
MOVB R10, 3(R9)
sw3:
MOVB 2(DI), R10
MOVB R10, 2(R9)
sw2:
MOVB 1(DI), R10
MOVB R10, 1(R9)
sw1:
MOVB (DI), R10
MOVB R10, (R9)
sw0:
ADDQ R8, R9
MOVB $0x01, (R9)
SUBQ R8, R9
XORL (R9), AX
XORL 4(R9), CX
XORL 8(R9), DX
XORL 12(R9), BX
afterSwitch:
XORL (BP), AX
XORL 4(BP), CX
XORL 8(BP), DX
XORL 12(BP), BX
loop2_begin:
ADDL CX, AX
ADDL BX, DX
ROLL $0x05, CX
ROLL $0x08, BX
XORL AX, CX
XORL DX, BX
ROLL $0x10, AX
ADDL BX, AX
ADDL CX, DX
ROLL $0x0d, BX
ROLL $0x07, CX
XORL AX, BX
XORL DX, CX
ROLL $0x10, DX
DECQ SI
JNZ loop2_begin
XORL (BP), AX
XORL 4(BP), CX
XORL 8(BP), DX
XORL 12(BP), BX
MOVQ tag_base+32(FP), BP
MOVL AX, (BP)
MOVL CX, 4(BP)
MOVL DX, 8(BP)
MOVL BX, 12(BP)
RET