Summary of intrinsic functions

In this section:

To use intrinsic functions in an application, include the header file intrinsics.h.

Note that the intrinsic function names start with double underscores, for example:

__disable_interrupt

This table summarizes the intrinsic functions:

Intrinsic function	Description
`__as_get_base`	Creates a pointer of the same type as the parameter, representing the base of the area pointed to by the parameter. See Compiler and linker reference for C-RUN.
`__as_get_bounds`	Creates a pointer of the same type as the parameter, representing the upper bound of the area pointed to by the parameter. See Compiler and linker reference for C-RUN.
`__as_make_bounds`	Creates a pointer with bounds information. See Compiler and linker reference for C-RUN.
`__atan2fx`	Calculates the arctangent, using the TFU (fixed-point)
`__atan2hypotf`	Returns the arctangent and the hypotenuse, using the TFU
`__atan2hypotfx`	Calculates the arctangent and the hypotenuse at the same time, using the TFU (fixed-point)
`__break`	Inserts a `BRK` instruction
`__c_base`	Returns the value of the base register for constant data when ROPI is enabled
`__cosfx`	Calculates the cosine value using TFU (fixed-point)
`__delay_cycles`	Inserts No Operation (NOP) instructions to delay execution
`__disable_interrupt`	Disables interrupts
`__enable_interrupt`	Enables interrupts
`__exchange`	Inserts an `XCHG` instruction
`__FSQRT`	Inserts an `FSQRT` instruction
`__get_DCMR_register`	Returns the value of the `DCMR` register
`__get_DECNT_register`	Returns the value of the `DECNT` register
`__get_DEPC_register`	Returns the value of the `DEPC` register
`__get_DPSW_register`	Returns the value of the `DPSW` register
`__get_FINTV_register`	Returns the value of the `FINTV` register
`__get_FPSW_register`	Returns the value of the `FPSW` register
`__get_interrupt_level`	Returns the interrupt level
`__get_interrupt_state`	Returns the interrupt state
`__get_interrupt_table`	Returns the value of the `INTB` register
`__get_ISP_register`	Returns the value of the `ISP` register
`__get_PSW_register`	Returns the value of the `PSW` register
`__get_return_address`	Returns the return address
`__get_SP`	Returns the value of the stack pointer
`__get_USP_register`	Returns the value of the `USP` register
`__hypotfx`	Calculates the hypotenuse length using the TFU (fixed-point)
`__illegal_opcode`	Inserts an illegal operation code
`__inline_atan2f`	Returns the arctangent, using the TFU
`__inline_cosf`	Returns the cosine, using the TFU
`__inline_hypotf`	Returns the hypotenuse, using the TFU
`__inline_sinf`	Returns the sine, using the TFU
`__macl`	Executes MAC operations on 16-bit signed data vectors and returns a 32-bit value
`__macw1`	Executes a MAC operation on 16-bit signed data and returns a 16-bit value, rounded using the `RACW #1` instruction
`__macw2`	Executes a MAC operation on 16-bit signed data and returns a 16-bit value, rounded using the `RACW #2` instruction
`__MOVCO`	Inserts a `MOVCO` instruction
`__MOVLI`	Inserts a `MOVLI` instruction
`__no_operation`	Inserts a `NOP` instruction
`__RMPA_B`	Inserts an `RMPA.B` instruction
`__RMPA_L`	Inserts an `RMPA.L` instruction
`__RMPA_W`	Inserts an `RMPA.W` instruction
`__ROUND`	Inserts a `ROUND` instruction
`__s_base`	Returns the value of the base register for static data when RWPI is enabled
`__set_DCMR_register`	Writes a specific value to the `DCMR` register
`__set_DECNT_register`	Writes a specific value to the `DECNT` register
`__set_DEPC_register`	Writes a specific value to the `DEPC` register
`__set_DPSW_register`	Writes a specific value to the `DPSW` register
`__set_FINTV_register`	Writes a specific value to the `FINTV` register
`__set_FPSW_register`	Writes a specific value to the `FPSW` register
`__set_interrupt_level`	Sets the interrupt level
`__set_interrupt_state`	Restores the interrupt state
`__set_interrupt_table`	Writes a specific value to the `INTB` register
`__set_ISP_register`	Writes a specific value to the `ISP` register
`__set_PSW_register`	Writes a specific value to the `PSW` register
`__set_USP_register`	Writes a specific value to the `USP` register
`__sincosf`	Returns the sine and the cosine, using the TFU
`__sincosfx`	Calculates the sine and the cosine at the same time, using the TFU (fixed-point)
`__sinfx`	Calculates the sine, using the TFU (fixed-point)
`__software_interrupt`	Inserts an `INT` instruction
`__wait_for_interrupt`	Inserts a `WAIT` instruction

Table 83. Intrinsic functions summary

IAR Embedded Workbench for RX 5.20

Summary of intrinsic functions

Search results