19 lines
327 B
C
19 lines
327 B
C
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "runtime.h"
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uint32
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runtime_fastrand1(void)
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{
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uint32 x;
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x = m->fastrand;
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x += x;
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if(x & 0x80000000L)
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x ^= 0x88888eefUL;
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m->fastrand = x;
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return x;
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}
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