1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build ppc64 ppc64le 6 7 #include "textflag.h" 8 9 // void runtimememmove(void*, void*, uintptr) 10 TEXT runtimememmove(SB), NOSPLIT, $-8-24 11 MOVD to+0(FP), R3 12 MOVD from+8(FP), R4 13 MOVD n+16(FP), R5 14 CMP R5, $0 15 BNE check 16 RET 17 18 check: 19 CMP R3, R4 20 BGT backward 21 22 SUB $1, R3 23 ADD R3, R5 24 SUB $1, R4 25 loop: 26 MOVBU 1(R4), R6 27 MOVBU R6, 1(R3) 28 CMP R3, R5 29 BNE loop 30 RET 31 32 backward: 33 ADD R5, R4 34 ADD R3, R5 35 loop1: 36 MOVBU -1(R4), R6 37 MOVBU R6, -1(R5) 38 CMP R3, R5 39 BNE loop1 40 RET 41
