diff options
Diffstat (limited to 'arch/mips/math-emu/ieee754dp.c')
| -rw-r--r-- | arch/mips/math-emu/ieee754dp.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c index 9723a518e5ad..49c811a920b5 100644 --- a/arch/mips/math-emu/ieee754dp.c +++ b/arch/mips/math-emu/ieee754dp.c @@ -42,18 +42,16 @@ static inline int ieee754dp_issnan(union ieee754dp x) } +/* + * Raise the Invalid Operation IEEE 754 exception + * and convert the signaling NaN supplied to a quiet NaN. + */ union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp r) { - assert(ieee754dp_isnan(r)); - - if (!ieee754dp_issnan(r)) /* QNAN does not cause invalid op !! */ - return r; - - /* If not enabled convert to a quiet NaN. */ - if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) - return ieee754dp_indef(); + assert(ieee754dp_issnan(r)); - return r; + ieee754_setcx(IEEE754_INVALID_OPERATION); + return ieee754dp_indef(); } static u64 ieee754dp_get_rounding(int sn, u64 xm) |