| Signature | Description |
|---|---|
long long __aeabi_lmul(long long a, long long b) |
64-bit multiplication |
lldiv_t __aeabi_ldivmod(long long numerator, long long denominator) |
Signed 64-bit division and modulo |
ulldiv_t __aeabi_uldivmod(unsigned long long numerator, unsigned long long denominator) |
Unsigned 64-bit division and modulo |
long long __aeabi_llsl(long long x, int n) |
64-bit logical shift left |
long long __aeabi_llsr(long long x, int n) |
64-bit logical shift right |
long long __aeabi_lasr(long long x, int n) |
64-bit arithmetic shift right |
lldiv_t, ulldiv_t are pseudo types that represent a 2x vector passed by register.
| Signature | Description |
|---|---|
int __aeabi_idiv(int numerator, int denominator) |
Signed 32-bit division |
unsigned int __aeabi_uidiv(unsigned int numerator, unsigned int denominator) |
Unsigned 32-bit division |
idiv_return __aeabi_idivmod(int numerator, int denominator) |
Signed 32-bit division and modulo |
uidiv_return __aeabi_uidivmod(unsigned int numerator, unsigned int denominator) |
Unsigned 32-bit division and modulo |
idiv_return, uidiv_return are pseudo types that represent a 2x vector passed by register.
| Signature | Description |
|---|---|
void __aeabi_memcpy8(void* dest, const void* src, size_t n) |
Alias of __aeabi_memcpy4 |
void __aeabi_memcpy4(void* dest, const void* src, size_t n) |
Copies n bytes from src to dest (forward) Assumes dest and src are 4-byte aligned |
void __aeabi_memcpy(void* dest, const void* src, size_t n) |
Copies n bytes from src to dest (forward) |
void __aeabi_memmove8(void* dest, const void* src, size_t n) |
Alias of __aeabi_memmove4 |
void __aeabi_memmove4(void* dest, const void* src, size_t n) |
Safely copies n bytes of src to dest Assumes dest and src are 4-byte aligned |
void __aeabi_memmove(void* dest, const void* src, size_t n) |
Safely copies n bytes of src to dest |
These routines should be expected to perform 8-bit, 16-bit, and 32-bit copies.
| Signature | Description |
|---|---|
void __aeabi_memset8(void* dest, size_t n, int c) |
Alias of __aeabi_memset4 |
void __aeabi_memset4(void* dest, size_t n, int c) |
Set n bytes of dest to (c & 0xff) Assumes dest is 4-byte aligned |
void __aeabi_memset(void* dest, size_t n, int c) |
Set n bytes of dest to (c & 0xff) |
void __aeabi_memclr8(void* dest, size_t n) |
Alias of __aeabi_memclr4 |
void __aeabi_memclr4(void* dest, size_t n) |
Clears n bytes of dest to 0 Assumes dest is 4-byte aligned |
void __aeabi_memclr(void* dest, size_t n) |
Clears n bytes of dest to 0 |
These routines should be expected to perform 8-bit, 16-bit, and 32-bit writes.