diff options
Diffstat (limited to 'gcc/doc/extend.texi')
| -rw-r--r-- | gcc/doc/extend.texi | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index b5f6e12..5b9e617 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -14842,12 +14842,31 @@ The @code{__builtin_divde}, @code{__builtin_divdeo}, 64-bit environment support ISA 2.06 or later. The following built-in functions are available for the PowerPC family -of processors, starting with ISA 3.0 or later (@option{-mcpu=power9}) -or with @option{-mmodulo}: +of processors, starting with ISA 3.0 or later (@option{-mcpu=power9}): @smallexample long long __builtin_darn (void); long long __builtin_darn_raw (void); int __builtin_darn_32 (void); + +int __builtin_dfp_dtstsfi_lt (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_lt (unsigned int comparison, _Decimal128 value); +int __builtin_dfp_dtstsfi_lt_dd (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_lt_td (unsigned int comparison, _Decimal128 value); + +int __builtin_dfp_dtstsfi_gt (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_gt (unsigned int comparison, _Decimal128 value); +int __builtin_dfp_dtstsfi_gt_dd (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_gt_td (unsigned int comparison, _Decimal128 value); + +int __builtin_dfp_dtstsfi_eq (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_eq (unsigned int comparison, _Decimal128 value); +int __builtin_dfp_dtstsfi_eq_dd (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_eq_td (unsigned int comparison, _Decimal128 value); + +int __builtin_dfp_dtstsfi_ov (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_ov (unsigned int comparison, _Decimal128 value); +int __builtin_dfp_dtstsfi_ov_dd (unsigned int comparison, _Decimal64 value); +int __builtin_dfp_dtstsfi_ov_td (unsigned int comparison, _Decimal128 value); @end smallexample The @code{__builtin_darn} and @code{__builtin_darn_raw} @@ -14858,6 +14877,38 @@ random number. The @code{__builtin_darn_raw} function provides a 64-bit raw random number. The @code{__builtin_darn_32} function provides a 32-bit random number. +The @code{__builtin_dfp_dtstsfi_lt} function returns a non-zero value +if and only if the number of signficant digits of its @code{value} argument +is less than its @code{comparison} argument. The +@code{__builtin_dfp_dtstsfi_lt_dd} and +@code{__builtin_dfp_dtstsfi_lt_td} functions behave similarly, but +require that the type of the @code{value} argument be +@code{__Decimal64} and @code{__Decimal128} respectively. + +The @code{__builtin_dfp_dtstsfi_gt} function returns a non-zero value +if and only if the number of signficant digits of its @code{value} argument +is greater than its @code{comparison} argument. The +@code{__builtin_dfp_dtstsfi_gt_dd} and +@code{__builtin_dfp_dtstsfi_gt_td} functions behave similarly, but +require that the type of the @code{value} argument be +@code{__Decimal64} and @code{__Decimal128} respectively. + +The @code{__builtin_dfp_dtstsfi_eq} function returns a non-zero value +if and only if the number of signficant digits of its @code{value} argument +equals its @code{comparison} argument. The +@code{__builtin_dfp_dtstsfi_eq_dd} and +@code{__builtin_dfp_dtstsfi_eq_td} functions behave similarly, but +require that the type of the @code{value} argument be +@code{__Decimal64} and @code{__Decimal128} respectively. + +The @code{__builtin_dfp_dtstsfi_ov} function returns a non-zero value +if and only if its @code{value} argument has an undefined number of +significant digits, such as when @code{value} is an encoding of @code{NaN}. +The @code{__builtin_dfp_dtstsfi_ov_dd} and +@code{__builtin_dfp_dtstsfi_ov_td} functions behave similarly, but +require that the type of the @code{value} argument be +@code{__Decimal64} and @code{__Decimal128} respectively. + The following built-in functions are available for the PowerPC family of processors when hardware decimal floating point (@option{-mhard-dfp}) is available: |