diff options
Diffstat (limited to 'fpu/softfloat-specialize.h')
-rw-r--r-- | fpu/softfloat-specialize.h | 105 |
1 files changed, 6 insertions, 99 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 0399dfe011..9d562ed504 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -180,93 +180,21 @@ static FloatParts parts_silence_nan(FloatParts a, float_status *status) } /*---------------------------------------------------------------------------- -| The pattern for a default generated half-precision NaN. -*----------------------------------------------------------------------------*/ -float16 float16_default_nan(float_status *status) -{ -#if defined(TARGET_ARM) - return const_float16(0x7E00); -#else - if (snan_bit_is_one(status)) { - return const_float16(0x7DFF); - } else { -#if defined(TARGET_MIPS) - return const_float16(0x7E00); -#else - return const_float16(0xFE00); -#endif - } -#endif -} - -/*---------------------------------------------------------------------------- -| The pattern for a default generated single-precision NaN. -*----------------------------------------------------------------------------*/ -float32 float32_default_nan(float_status *status) -{ -#if defined(TARGET_SPARC) || defined(TARGET_M68K) - return const_float32(0x7FFFFFFF); -#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \ - defined(TARGET_XTENSA) || defined(TARGET_S390X) || \ - defined(TARGET_TRICORE) || defined(TARGET_RISCV) - return const_float32(0x7FC00000); -#elif defined(TARGET_HPPA) - return const_float32(0x7FA00000); -#else - if (snan_bit_is_one(status)) { - return const_float32(0x7FBFFFFF); - } else { -#if defined(TARGET_MIPS) - return const_float32(0x7FC00000); -#else - return const_float32(0xFFC00000); -#endif - } -#endif -} - -/*---------------------------------------------------------------------------- -| The pattern for a default generated double-precision NaN. -*----------------------------------------------------------------------------*/ -float64 float64_default_nan(float_status *status) -{ -#if defined(TARGET_SPARC) || defined(TARGET_M68K) - return const_float64(LIT64(0x7FFFFFFFFFFFFFFF)); -#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \ - defined(TARGET_S390X) || defined(TARGET_RISCV) - return const_float64(LIT64(0x7FF8000000000000)); -#elif defined(TARGET_HPPA) - return const_float64(LIT64(0x7FF4000000000000)); -#else - if (snan_bit_is_one(status)) { - return const_float64(LIT64(0x7FF7FFFFFFFFFFFF)); - } else { -#if defined(TARGET_MIPS) - return const_float64(LIT64(0x7FF8000000000000)); -#else - return const_float64(LIT64(0xFFF8000000000000)); -#endif - } -#endif -} - -/*---------------------------------------------------------------------------- | The pattern for a default generated extended double-precision NaN. *----------------------------------------------------------------------------*/ floatx80 floatx80_default_nan(float_status *status) { floatx80 r; + + /* None of the targets that have snan_bit_is_one use floatx80. */ + assert(!snan_bit_is_one(status)); #if defined(TARGET_M68K) r.low = LIT64(0xFFFFFFFFFFFFFFFF); r.high = 0x7FFF; #else - if (snan_bit_is_one(status)) { - r.low = LIT64(0xBFFFFFFFFFFFFFFF); - r.high = 0x7FFF; - } else { - r.low = LIT64(0xC000000000000000); - r.high = 0xFFFF; - } + /* X86 */ + r.low = LIT64(0xC000000000000000); + r.high = 0xFFFF; #endif return r; } @@ -286,27 +214,6 @@ const floatx80 floatx80_infinity = make_floatx80_init(floatx80_infinity_high, floatx80_infinity_low); /*---------------------------------------------------------------------------- -| The pattern for a default generated quadruple-precision NaN. -*----------------------------------------------------------------------------*/ -float128 float128_default_nan(float_status *status) -{ - float128 r; - - if (snan_bit_is_one(status)) { - r.low = LIT64(0xFFFFFFFFFFFFFFFF); - r.high = LIT64(0x7FFF7FFFFFFFFFFF); - } else { - r.low = LIT64(0x0000000000000000); -#if defined(TARGET_S390X) || defined(TARGET_PPC) || defined(TARGET_RISCV) - r.high = LIT64(0x7FFF800000000000); -#else - r.high = LIT64(0xFFFF800000000000); -#endif - } - return r; -} - -/*---------------------------------------------------------------------------- | Raises the exceptions specified by `flags'. Floating-point traps can be | defined here if desired. It is currently not possible for such a trap | to substitute a result value. If traps are not implemented, this routine |