Using the GNU Compiler Collection (GCC): FR-V Built-in Functions

Next: MIPS DSP Built-in Functions, Previous: Blackfin Built-in Functions, Up: Target Builtins [Contents][Index]

#### 6.60.12 FR-V Built-in Functions

GCC provides many FR-V-specific built-in functions. In general, these functions are intended to be compatible with those described by FR-V Family, Softune C/C++ Compiler Manual (V6), Fujitsu Semiconductor. The two exceptions are `__MDUNPACKH` and `__MBTOHE`, the GCC forms of which pass 128-bit values by pointer rather than by value.

Most of the functions are named after specific FR-V instructions. Such functions are said to be “directly mapped” and are summarized here in tabular form.