zicond_intrinsics.h File Reference

"Intrinsic" library for the NEORV32 Zicond ISA extension. Also provides emulation functions for all intrinsics (functionality re-built in pure software). More...

Go to the source code of this file.

Functions
uint32_t	riscv_intrinsic_czero_eqz (uint32_t rs1, uint32_t rs2)
uint32_t	riscv_intrinsic_czero_nez (uint32_t rs1, uint32_t rs2)
uint32_t	riscv_emulate_czero_eqz (uint32_t rs1, uint32_t rs2)
uint32_t	riscv_emulate_czero_nez (uint32_t rs1, uint32_t rs2)

Detailed Description

"Intrinsic" library for the NEORV32 Zicond ISA extension. Also provides emulation functions for all intrinsics (functionality re-built in pure software).

Author

Stephan Nolting

Warning

This library is just a temporary fall-back until the B extension is supported by the upstream RISC-V GCC port.

Function Documentation

riscv_emulate_czero_eqz()

uint32_t riscv_emulate_czero_eqz	(	uint32_t	rs1,
		uint32_t	rs2
	)

Intrinsic: Conditional zero if condition is zero [emulation].

Parameters

[in]	rs1	Source operand.
[in]	rs2	Condition operand.

Returns

Result.

riscv_emulate_czero_nez()

uint32_t riscv_emulate_czero_nez	(	uint32_t	rs1,
		uint32_t	rs2
	)

Intrinsic: Conditional zero if condition is nonzero [emulation].

Parameters

[in]	rs1	Source operand.
[in]	rs2	Condition operand.

Returns

Result.

riscv_intrinsic_czero_eqz()

uint32_t riscv_intrinsic_czero_eqz ( uint32_t  rs1, uint32_t  rs2  )

inline

Intrinsic: Conditional zero if condition is zero [intrinsic].

Parameters

[in]	rs1	Source operand.
[in]	rs2	Condition operand.

Returns

Result.

riscv_intrinsic_czero_nez()

uint32_t riscv_intrinsic_czero_nez ( uint32_t  rs1, uint32_t  rs2  )

inline

Intrinsic: Conditional zero if condition is nonzero [intrinsic].

Parameters

[in]	rs1	Source operand.
[in]	rs2	Condition operand.

Returns

Result.