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Bug 720094 - Simplify the implementation of JSDOUBLE_IS_NaN a bit, consolidating two implementations (conditioned on the architecture) into one. r=dvander

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This commit is contained in:
Jeff Walden 2012-01-20 23:39:32 -08:00
parent e7b961c7d3
commit 8c89218584
1 changed files with 2 additions and 5 deletions
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7
js/src/jsnum.h
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@ -92,11 +92,8 @@ JSDOUBLE_IS_NaN(jsdouble d)
{
jsdpun u;
u.d = d;
#if defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_)
return (u.u64 & ~JSDOUBLE_SIGNBIT) > JSDOUBLE_EXPMASK;
#else
return (u.s.hi & JSDOUBLE_HI32_NAN) == JSDOUBLE_HI32_NAN;
#endif
return (u.u64 & JSDOUBLE_EXPMASK) == JSDOUBLE_EXPMASK &&
(u.u64 & JSDOUBLE_MANTMASK) != 0;
}
static inline int