diff options
Diffstat (limited to 'arch/mips/math-emu/sp_fdp.c')
| -rw-r--r-- | arch/mips/math-emu/sp_fdp.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c index 1b266fb16973..3797148893ad 100644 --- a/arch/mips/math-emu/sp_fdp.c +++ b/arch/mips/math-emu/sp_fdp.c @@ -22,12 +22,19 @@ #include "ieee754sp.h" #include "ieee754dp.h" +static inline union ieee754sp ieee754sp_nan_fdp(int xs, u64 xm) +{ + return buildsp(xs, SP_EMAX + 1 + SP_EBIAS, + xm >> (DP_FBITS - SP_FBITS)); +} + union ieee754sp ieee754sp_fdp(union ieee754dp x) { + union ieee754sp y; u32 rm; COMPXDP; - union ieee754sp nan; + COMPYSP; EXPLODEXDP; @@ -37,15 +44,14 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x) switch (xc) { case IEEE754_CLASS_SNAN: - ieee754_setcx(IEEE754_INVALID_OPERATION); - return ieee754sp_nanxcpt(ieee754sp_indef()); + return ieee754sp_nanxcpt(ieee754sp_nan_fdp(xs, xm)); case IEEE754_CLASS_QNAN: - nan = buildsp(xs, SP_EMAX + 1 + SP_EBIAS, (u32) - (xm >> (DP_FBITS - SP_FBITS))); - if (!ieee754sp_isnan(nan)) - nan = ieee754sp_indef(); - return ieee754sp_nanxcpt(nan); + y = ieee754sp_nan_fdp(xs, xm); + EXPLODEYSP; + if (!ieee754_class_nan(yc)) + y = ieee754sp_indef(); + return y; case IEEE754_CLASS_INF: return ieee754sp_inf(xs); |