fp-bit.c (isnan, [...]): Use __builtin_expect.
* config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use __builtin_expect. From-SVN: r107603
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@ -1,3 +1,8 @@
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2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
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* config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
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__builtin_expect.
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2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
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2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
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* config/fp-bit.h (LSHIFT): Take shift count parameter.
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* config/fp-bit.h (LSHIFT): Take shift count parameter.
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@ -160,14 +160,15 @@ INLINE
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static int
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static int
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isnan ( fp_number_type * x)
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isnan ( fp_number_type * x)
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{
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{
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return x->class == CLASS_SNAN || x->class == CLASS_QNAN;
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return __builtin_expect (x->class == CLASS_SNAN || x->class == CLASS_QNAN,
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0);
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}
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}
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INLINE
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INLINE
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static int
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static int
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isinf ( fp_number_type * x)
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isinf ( fp_number_type * x)
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{
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{
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return x->class == CLASS_INFINITY;
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return __builtin_expect (x->class == CLASS_INFINITY, 0);
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}
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}
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#endif /* NO_NANS */
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#endif /* NO_NANS */
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@ -249,7 +250,7 @@ pack_d ( fp_number_type * src)
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}
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}
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else
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else
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{
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{
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if (src->normal_exp < NORMAL_EXPMIN)
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if (__builtin_expect (src->normal_exp < NORMAL_EXPMIN, 0))
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{
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{
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#ifdef NO_DENORMALS
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#ifdef NO_DENORMALS
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/* Go straight to a zero representation if denormals are not
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/* Go straight to a zero representation if denormals are not
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@ -296,7 +297,7 @@ pack_d ( fp_number_type * src)
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#endif /* NO_DENORMALS */
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#endif /* NO_DENORMALS */
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}
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}
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else if (!LARGEST_EXPONENT_IS_NORMAL (FRAC_NBITS)
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else if (!LARGEST_EXPONENT_IS_NORMAL (FRAC_NBITS)
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&& src->normal_exp > EXPBIAS)
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&& __builtin_expect (src->normal_exp > EXPBIAS, 0))
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{
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{
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exp = EXPMAX;
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exp = EXPMAX;
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fraction = 0;
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fraction = 0;
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@ -560,7 +561,8 @@ unpack_d (FLO_union_type * src, fp_number_type * dst)
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dst->fraction.ll = fraction;
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dst->fraction.ll = fraction;
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}
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}
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}
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}
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else if (!LARGEST_EXPONENT_IS_NORMAL (FRAC_NBITS) && exp == EXPMAX)
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else if (!LARGEST_EXPONENT_IS_NORMAL (FRAC_NBITS)
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&& __builtin_expect (exp == EXPMAX, 0))
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{
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{
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/* Huge exponent*/
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/* Huge exponent*/
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if (fraction == 0)
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if (fraction == 0)
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