28.2.4 __builtin_btg_32

Description

Toggle bit.

Prototype

void __builtin_btg_32(volatile uint32_t *v, const int bit);

Arguments

v - pointer to source / destination value

bit - bit number to toggle

Return Value

Modifies the value in place, toggling the bit specified by bit.

Machine Instruction

btg 

Error Messages

If bit is literal and out of range: Invalid range for second argument to __builtin_btg

If bit is an expected reference to a member and we cannot determine the bit position: Unexpected second argument to __builtin_btg

If v does not refer to a correctly typed object: Invalid pointer type, must be a pointer to char, int, or long