diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/mips/mips32/sfp-machine.h | 14 | ||||
| -rw-r--r-- | sysdeps/mips/mips64/sfp-machine.h | 14 |
3 files changed, 30 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 32dee3fcb3..0278dff4cc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2017-01-04 Joseph Myers <joseph@codesourcery.com> + * sysdeps/mips/mips32/sfp-machine.h (_FP_CHOOSENAN): Always + preserve NaN payload if [__mips_nan2008]. + * sysdeps/mips/mips64/sfp-machine.h (_FP_CHOOSENAN): Likewise. + [BZ #21022] * sysdeps/microblaze/backtrace.c (get_frame_size): Make static. 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) diff --git a/sysdeps/mips/mips64/sfp-machine.h b/sysdeps/mips/mips64/sfp-machine.h index 708afc783e..35cc4ddeb1 100644 --- a/sysdeps/mips/mips64/sfp-machine.h +++ b/sysdeps/mips/mips64/sfp-machine.h @@ -44,9 +44,20 @@ # 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) \ @@ -61,6 +72,7 @@ } \ R##_c = FP_CLS_NAN; \ } while (0) +#endif #define _FP_DECL_EX fpu_control_t _fcw |