diff options
| -rw-r--r-- | target/m68k/fpu_helper.c | 5 | ||||
| -rw-r--r-- | target/m68k/helper.h | 1 | ||||
| -rw-r--r-- | target/m68k/softfloat.c | 89 | ||||
| -rw-r--r-- | target/m68k/softfloat.h | 1 | ||||
| -rw-r--r-- | target/m68k/translate.c | 3 |
5 files changed, 99 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 7d68879f34..4c969dfe00 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -643,3 +643,8 @@ void HELPER(ftanh)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_tanh(val->d, &env->fp_status); } + +void HELPER(fsinh)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + res->d = floatx80_sinh(val->d, &env->fp_status); +} diff --git a/target/m68k/helper.h b/target/m68k/helper.h index f100141367..acdca1af03 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -84,6 +84,7 @@ DEF_HELPER_3(fasin, void, env, fp, fp) DEF_HELPER_3(facos, void, env, fp, fp) DEF_HELPER_3(fatanh, void, env, fp, fp) DEF_HELPER_3(ftanh, void, env, fp, fp) +DEF_HELPER_3(fsinh, void, env, fp, fp) DEF_HELPER_3(mac_move, void, env, i32, i32) DEF_HELPER_3(macmulf, i64, env, i32, i32) diff --git a/target/m68k/softfloat.c b/target/m68k/softfloat.c index 4ce5783f03..1528bfd147 100644 --- a/target/m68k/softfloat.c +++ b/target/m68k/softfloat.c @@ -2733,3 +2733,92 @@ floatx80 floatx80_tanh(floatx80 a, float_status *status) return a; } } + +/*---------------------------------------------------------------------------- + | Hyperbolic sine + *----------------------------------------------------------------------------*/ + +floatx80 floatx80_sinh(floatx80 a, float_status *status) +{ + flag aSign; + int32_t aExp; + uint64_t aSig; + + int8_t user_rnd_mode, user_rnd_prec; + + int32_t compact; + floatx80 fp0, fp1, fp2; + float32 fact; + + aSig = extractFloatx80Frac(a); + aExp = extractFloatx80Exp(a); + aSign = extractFloatx80Sign(a); + + if (aExp == 0x7FFF) { + if ((uint64_t) (aSig << 1)) { + return propagateFloatx80NaNOneArg(a, status); + } + return packFloatx80(aSign, floatx80_infinity.high, + floatx80_infinity.low); + } + + if (aExp == 0 && aSig == 0) { + return packFloatx80(aSign, 0, 0); + } + + user_rnd_mode = status->float_rounding_mode; + user_rnd_prec = status->floatx80_rounding_precision; + status->float_rounding_mode = float_round_nearest_even; + status->floatx80_rounding_precision = 80; + + compact = floatx80_make_compact(aExp, aSig); + + if (compact > 0x400CB167) { + /* SINHBIG */ + if (compact > 0x400CB2B3) { + status->float_rounding_mode = user_rnd_mode; + status->floatx80_rounding_precision = user_rnd_prec; + + return roundAndPackFloatx80(status->floatx80_rounding_precision, + aSign, 0x8000, aSig, 0, status); + } else { + fp0 = floatx80_abs(a); /* Y = |X| */ + fp0 = floatx80_sub(fp0, float64_to_floatx80( + make_float64(0x40C62D38D3D64634), status), + status); /* (|X|-16381LOG2_LEAD) */ + fp0 = floatx80_sub(fp0, float64_to_floatx80( + make_float64(0x3D6F90AEB1E75CC7), status), + status); /* |X| - 16381 LOG2, ACCURATE */ + fp0 = floatx80_etox(fp0, status); + fp2 = packFloatx80(aSign, 0x7FFB, one_sig); + + status->float_rounding_mode = user_rnd_mode; + status->floatx80_rounding_precision = user_rnd_prec; + + a = floatx80_mul(fp0, fp2, status); + + float_raise(float_flag_inexact, status); + + return a; + } + } else { /* |X| < 16380 LOG2 */ + fp0 = floatx80_abs(a); /* Y = |X| */ + fp0 = floatx80_etoxm1(fp0, status); /* FP0 IS Z = EXPM1(Y) */ + fp1 = floatx80_add(fp0, float32_to_floatx80(make_float32(0x3F800000), + status), status); /* 1+Z */ + fp2 = fp0; + fp0 = floatx80_div(fp0, fp1, status); /* Z/(1+Z) */ + fp0 = floatx80_add(fp0, fp2, status); + + fact = packFloat32(aSign, 0x7E, 0); + + status->float_rounding_mode = user_rnd_mode; + status->floatx80_rounding_precision = user_rnd_prec; + + a = floatx80_mul(fp0, float32_to_floatx80(fact, status), status); + + float_raise(float_flag_inexact, status); + + return a; + } +} diff --git a/target/m68k/softfloat.h b/target/m68k/softfloat.h index 4cdb5a49ca..f033abf9ea 100644 --- a/target/m68k/softfloat.h +++ b/target/m68k/softfloat.h @@ -43,4 +43,5 @@ floatx80 floatx80_acos(floatx80 a, float_status *status); floatx80 floatx80_atanh(floatx80 a, float_status *status); floatx80 floatx80_etoxm1(floatx80 a, float_status *status); floatx80 floatx80_tanh(floatx80 a, float_status *status); +floatx80 floatx80_sinh(floatx80 a, float_status *status); #endif diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 0caae904b5..7d83aaf91d 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -5042,6 +5042,9 @@ DISAS_INSN(fpu) case 1: /* fint */ gen_helper_firound(cpu_env, cpu_dest, cpu_src); break; + case 2: /* fsinh */ + gen_helper_fsinh(cpu_env, cpu_dest, cpu_src); + break; case 3: /* fintrz */ gen_helper_fitrunc(cpu_env, cpu_dest, cpu_src); break; |