diff options
| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-09-16 15:47:21 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-09-16 15:47:21 +0000 |
| commit | adb0401dac41c81571722312d4586b2693f95aa6 (patch) | |
| tree | ea2b52e3c258d6b6d9356977c683c7f72a4a5fd5 /libgo/runtime/go-rand.c | |
| parent | 5548ca3540bccbc908a45942896d635ea5f1c23f (diff) | |
| download | gcc-adb0401dac41c81571722312d4586b2693f95aa6.zip gcc-adb0401dac41c81571722312d4586b2693f95aa6.tar.gz gcc-adb0401dac41c81571722312d4586b2693f95aa6.tar.bz2 | |
Update Go library to r60.
From-SVN: r178910
Diffstat (limited to 'libgo/runtime/go-rand.c')
| -rw-r--r-- | libgo/runtime/go-rand.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libgo/runtime/go-rand.c b/libgo/runtime/go-rand.c new file mode 100644 index 0000000..9632efc --- /dev/null +++ b/libgo/runtime/go-rand.c @@ -0,0 +1,18 @@ +// Copyright 2009 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. + +#include "runtime.h" + +uint32 +runtime_fastrand1(void) +{ + uint32 x; + + x = m->fastrand; + x += x; + if(x & 0x80000000L) + x ^= 0x88888eefUL; + m->fastrand = x; + return x; +} |