Using the GNU Compiler Collection (GCC): Directly-mapped Integer Functions

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#### 6.60.12.2 Directly-Mapped Integer Functions

The functions listed below map directly to FR-V I-type instructions.

Function prototype | Example usage | Assembly output
`sw1 __ADDSS (sw1, sw1)` | `c = __ADDSS (a, b)` | `ADDSS a,b,c`
`sw1 __SCAN (sw1, sw1)` | `c = __SCAN (a, b)` | `SCAN a,b,c`
`sw1 __SCUTSS (sw1)` | `b = __SCUTSS (a)` | `SCUTSS a,b`
`sw1 __SLASS (sw1, sw1)` | `c = __SLASS (a, b)` | `SLASS a,b,c`
`void __SMASS (sw1, sw1)` | `__SMASS (a, b)` | `SMASS a,b`
`void __SMSSS (sw1, sw1)` | `__SMSSS (a, b)` | `SMSSS a,b`
`void __SMU (sw1, sw1)` | `__SMU (a, b)` | `SMU a,b`
`sw2 __SMUL (sw1, sw1)` | `c = __SMUL (a, b)` | `SMUL a,b,c`
`sw1 __SUBSS (sw1, sw1)` | `c = __SUBSS (a, b)` | `SUBSS a,b,c`
`uw2 __UMUL (uw1, uw1)` | `c = __UMUL (a, b)` | `UMUL a,b,c`