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| author | Russ Cox <rsc@golang.org> | 2014-10-29 12:25:24 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-10-29 12:25:24 -0400 |
| commit | 710efc5a3085f55968c120abb25206fb72c05d46 (patch) | |
| tree | 433262b4bdac6643d923971ea21bb39cb69822a7 /src/runtime/runtime.c | |
| 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/runtime.c')
| -rw-r--r-- | src/runtime/runtime.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c index c823691ec..f19f8e4be 100644 --- a/src/runtime/runtime.c +++ b/src/runtime/runtime.c @@ -185,6 +185,7 @@ runtime·check(void) float64 j, j1; byte *k, *k1; uint16* l; + byte m[4]; struct x1 { byte x; }; @@ -236,6 +237,11 @@ runtime·check(void) if(k != k1) runtime·throw("casp3"); + m[0] = m[1] = m[2] = m[3] = 0x1; + runtime·atomicor8(&m[1], 0xf0); + if (m[0] != 0x1 || m[1] != 0xf1 || m[2] != 0x1 || m[3] != 0x1) + runtime·throw("atomicor8"); + *(uint64*)&j = ~0ULL; if(j == j) runtime·throw("float64nan"); |