diff options
Diffstat (limited to 'sim/common/sim-fpu.h')
| -rw-r--r-- | sim/common/sim-fpu.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sim/common/sim-fpu.h b/sim/common/sim-fpu.h index 2a14198..a20b286 100644 --- a/sim/common/sim-fpu.h +++ b/sim/common/sim-fpu.h @@ -163,8 +163,15 @@ typedef enum FIXME: This state is global, but should be moved to SIM_CPU. */ +typedef enum +{ + sim_fpu_ieee754_1985, + sim_fpu_ieee754_2008, +} sim_fpu_mode; + typedef struct _sim_fpu_state { bool quiet_nan_inverted; /* Toggle quiet NaN semantics. */ + sim_fpu_mode current_mode; } sim_fpu_state; @@ -268,6 +275,8 @@ INLINE_SIM_FPU (int) sim_fpu_sqrt (sim_fpu *f, INLINE_SIM_FPU (int) sim_fpu_op_nan (sim_fpu *f, const sim_fpu *l, const sim_fpu *r); +INLINE_SIM_FPU (int) sim_fpu_minmax_nan (sim_fpu *f, + const sim_fpu *l, const sim_fpu *r); @@ -318,7 +327,8 @@ INLINE_SIM_FPU (double) sim_fpu_2d (const sim_fpu *d); /* INLINE_SIM_FPU (void) sim_fpu_f2 (sim_fpu *f, float s); */ INLINE_SIM_FPU (void) sim_fpu_d2 (sim_fpu *f, double d); - +/* IEEE754-2008 classifiction function. */ +INLINE_SIM_FPU (int) sim_fpu_classify (const sim_fpu *f); /* Specific number classes. @@ -367,7 +377,20 @@ INLINE_SIM_FPU (int) sim_fpu_is_ne (const sim_fpu *l, const sim_fpu *r); INLINE_SIM_FPU (int) sim_fpu_is_ge (const sim_fpu *l, const sim_fpu *r); INLINE_SIM_FPU (int) sim_fpu_is_gt (const sim_fpu *l, const sim_fpu *r); +/* Unordered/ordered comparison operators. */ + +INLINE_SIM_FPU (int) sim_fpu_un (int *is, const sim_fpu *l, const sim_fpu *r); +INLINE_SIM_FPU (int) sim_fpu_or (int *is, const sim_fpu *l, const sim_fpu *r); + +INLINE_SIM_FPU (int) sim_fpu_is_un (const sim_fpu *l, const sim_fpu *r); +INLINE_SIM_FPU (int) sim_fpu_is_or (const sim_fpu *l, const sim_fpu *r); + +/* Changes the behaviour of the library to IEEE754-2008 or IEEE754-1985. + The default for the library is IEEE754-1985. */ +INLINE_SIM_FPU (bool) sim_fpu_is_ieee754_1985 (void); +INLINE_SIM_FPU (bool) sim_fpu_is_ieee754_2008 (void); +INLINE_SIM_FPU (void) sim_fpu_set_mode (const sim_fpu_mode m); /* General number class and comparison operators. @@ -411,6 +434,7 @@ extern sim_fpu_state _sim_fpu; between pre-R6 and R6 MIPS cores. */ #define sim_fpu_quiet_nan_inverted _sim_fpu.quiet_nan_inverted +#define sim_fpu_current_mode _sim_fpu.current_mode /* A number of useful constants. */ |