diff options
Diffstat (limited to 'sysdeps/mips/mips32/sfp-machine.h')
| -rw-r--r-- | sysdeps/mips/mips32/sfp-machine.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/mips/mips32/sfp-machine.h b/sysdeps/mips/mips32/sfp-machine.h index 4e23aa8b26..5215655029 100644 --- a/sysdeps/mips/mips32/sfp-machine.h +++ b/sysdeps/mips/mips32/sfp-machine.h @@ -41,9 +41,20 @@ # define _FP_QNANNEGATEDP 1 #endif +#ifdef __mips_nan2008 +/* NaN payloads should be preserved for NAN2008. */ +# define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc (R, X); \ + R##_c = FP_CLS_NAN; \ + } \ + while (0) +#else /* From my experiments it seems X is chosen unless one of the NaNs is sNaN, in which case the result is NANSIGN/NANFRAC. */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ +# define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ do { \ if ((_FP_FRAC_HIGH_RAW_##fs(X) | \ _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \ @@ -58,6 +69,7 @@ } \ R##_c = FP_CLS_NAN; \ } while (0) +#endif #define FP_EX_INVALID (1 << 4) #define FP_EX_DIVZERO (1 << 3) |