github.com/oarkflow/sio@v0.0.6/internal/maps/simd/match.s (about)

     1  // Code generated by command: go run asm.go -out match.s -stubs match_amd64.go. DO NOT EDIT.
     2  
     3  //go:build amd64
     4  
     5  #include "textflag.h"
     6  
     7  // func MatchMetadata(metadata *[16]int8, hash int8) uint16
     8  // Requires: SSE2, SSSE3
     9  TEXT ·MatchMetadata(SB), NOSPLIT, $0-18
    10  	MOVQ     metadata+0(FP), AX
    11  	MOVBLSX  hash+8(FP), CX
    12  	MOVD     CX, X0
    13  	PXOR     X1, X1
    14  	PSHUFB   X1, X0
    15  	MOVOU    (AX), X1
    16  	PCMPEQB  X1, X0
    17  	PMOVMSKB X0, AX
    18  	MOVW     AX, ret+16(FP)
    19  	RET