Feb 22, 2024 · Jan 24, 2022 · Oct 19, 2023 · Oct 19, 2023 · Oct 19, 2023 · Oct 19, 2023
diff --git a/frame.go b/frame.go
 // to be in little endian.
 //
 // See https://github.com/golang/go/issues/31586
 //
 //lint:ignore U1000 mask.go
 func maskGo(key uint32, b []byte) uint32 {
 if len(b) >= 8 {
 key64 := uint64(key)<<32 | uint64(key)
diff --git a/mask_amd64.s b/mask_amd64.s
 SHLQ $32, DI
 ORQ  DX, DI

 CMPQ  CX, $15
 JLEless_than_16
 CMPQ  CX, $7
 JLEless_than_8
 CMPQ  CX, $63
 JLE   less_than_64
 CMPQ  CX, $128
 JMP   sse

 sse:
 CMPQ       CX, $0x40
 CMPQ       CX, $64
 JL         less_than_64
 MOVQ       DI, X0
 PUNPCKLQDQ X0, X0
 MOVOU X2, 1*16(AX)
 MOVOU X3, 2*16(AX)
 MOVOU X4, 3*16(AX)
 ADDQ  $0x40, AX
 SUBQ  $0x40, CX
 CMPQ  CX, $0x40
 ADDQ  $64, AX
 SUBQ  $64, CX
 CMPQ  CX, $64
 JAE   sse_loop

 less_than_64:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -184,6 +184,8 @@ func writeFrameHeader(h header, w *bufio.Writer, buf []byte) (err error) {
		// to be in little endian.
		//
		// See https://github.com/golang/go/issues/31586
		//
		//lint:ignore U1000 mask.go
		func maskGo(key uint32, b []byte) uint32 {
		if len(b) >= 8 {
		key64 := uint64(key)<<32 \| uint64(key)
Expand Down