AArch64 Built-in Functions (Using the GNU Compiler Collection (GCC))

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6.62.1 AArch64 Built-in Functions ¶

These built-in functions are available for the AArch64 family of processors.

unsigned int __builtin_aarch64_get_fpcr ();
void __builtin_aarch64_set_fpcr (unsigned int);
unsigned int __builtin_aarch64_get_fpsr ();
void __builtin_aarch64_set_fpsr (unsigned int);

unsigned long long __builtin_aarch64_get_fpcr64 ();
void __builtin_aarch64_set_fpcr64 (unsigned long long);
unsigned long long __builtin_aarch64_get_fpsr64 ();
void __builtin_aarch64_set_fpsr64 (unsigned long long);