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Implement flush-to-zero mode (denormal results are replaced with zero).

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Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6107 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-12-19 14:33:59 +00:00
parent 5c7908ed23
commit fe76d97653
3 changed files with 25 additions and 4 deletions
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5
fpu/softfloat.h
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@ -190,11 +190,16 @@ typedef struct float_status {
#ifdef FLOATX80
signed char floatx80_rounding_precision;
#endif
flag flush_to_zero;
flag default_nan_mode;
} float_status;
void set_float_rounding_mode(int val STATUS_PARAM);
void set_float_exception_flags(int val STATUS_PARAM);
INLINE void set_flush_to_zero(flag val STATUS_PARAM)
{
STATUS(flush_to_zero) = val;
}
INLINE void set_default_nan_mode(flag val STATUS_PARAM)
{
STATUS(default_nan_mode) = val;