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author | Russ Cox <rsc@golang.org> | 2014-10-29 12:25:24 -0400 |
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committer | Russ Cox <rsc@golang.org> | 2014-10-29 12:25:24 -0400 |
commit | 710efc5a3085f55968c120abb25206fb72c05d46 (patch) | |
tree | 433262b4bdac6643d923971ea21bb39cb69822a7 /src/runtime/memclr_power64x.s | |
parent | 40520a21d8b050635a417666db959f75d757fff5 (diff) | |
parent | cc517ca5f7183e7f5d91bf75897b23cc0f4ed04f (diff) | |
download | go-710efc5a3085f55968c120abb25206fb72c05d46.tar.gz |
[dev.garbage] all: merge dev.power64 (5ad5e85cfb99) into dev.garbage
The goal here is to get the big-endian fixes so that
in some upcoming code movement for write barriers
I don't make them unmergeable.
LGTM=rlh
R=rlh
CC=golang-codereviews
https://codereview.appspot.com/166890043
Diffstat (limited to 'src/runtime/memclr_power64x.s')
-rw-r--r-- | src/runtime/memclr_power64x.s | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/runtime/memclr_power64x.s b/src/runtime/memclr_power64x.s new file mode 100644 index 000000000..dfad64b6f --- /dev/null +++ b/src/runtime/memclr_power64x.s @@ -0,0 +1,20 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build power64 power64le + +#include "textflag.h" + +// void runtime·memclr(void*, uintptr) +TEXT runtime·memclr(SB),NOSPLIT,$0-16 + MOVD ptr+0(FP), R3 + MOVD n+8(FP), R4 + CMP R4, $0 + BEQ done + SUB $1, R3 + MOVD R4, CTR + MOVBU R0, 1(R3) + BC 25, 0, -1(PC) // bdnz+ $-4 +done: + RETURN |