go-bloomindex/query_amd64.s at master · dgryski/go-bloomindex · GitHub

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//go:build amd64 && !purego
// +build amd64,!purego

// Code generated by command: go run asm.go -out query_amd64.s. DO NOT EDIT.

#include "textflag.h"

// func queryCore(r *[8]uint64, bits [][8]uint64, hashes []uint32)
TEXT ·queryCore(SB), NOSPLIT, $0-56
	MOVQ    r+0(FP), AX
	MOVQ    bits_base+8(FP), CX
	MOVQ    hashes_base+32(FP), DX
	MOVQ    hashes_len+40(FP), BX
	PCMPEQL X0, X0
	PCMPEQL X1, X1
	PCMPEQL X2, X2
	PCMPEQL X3, X3

loop:
	MOVL  (DX), BP
	SHLQ  $0x06, BP
	ADDQ  CX, BP
	PXOR  X4, X4
	PAND  (BP), X0
	PAND  16(BP), X1
	PAND  32(BP), X2
	PAND  48(BP), X3
	POR   X0, X4
	POR   X1, X4
	POR   X2, X4
	POR   X3, X4
	PTEST X4, X4
	JZ    done
	ADDQ  $0x04, DX
	SUBQ  $0x01, BX
	JNZ   loop

done:
	MOVOU X0, (AX)
	MOVOU X1, 16(AX)
	MOVOU X2, 32(AX)
	MOVOU X3, 48(AX)
	RET