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add __always_inline to trivial super low level inline functions (#379)

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This commit is contained in:
Graham Sanderson
2021-05-05 11:46:07 -05:00
committed by GitHub
parent 53f1915a6b
commit ec0dc7a88b
3 changed files with 32 additions and 27 deletions
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17
src/rp2_common/pico_platform/include/pico/platform.h
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@ -45,10 +45,15 @@ extern "C" {
* Decorates a function name, such that the function will execute from RAM, explicitly marking it as
* noinline to prevent it being inlined into a flash function by the compiler
*/
#define __no_inline_not_in_flash_func(func_name) __attribute__((noinline)) __not_in_flash_func(func_name)
#define __no_inline_not_in_flash_func(func_name) __noinline __not_in_flash_func(func_name)
#define __packed_aligned __packed __aligned(4)
#if defined(__GNUC__) && __GNUC__ < 7
#define __force_inline inline __always_inline
#else
#define __force_inline __always_inline
#endif
#ifndef count_of
#define count_of(a) (sizeof(a)/sizeof((a)[0]))
#endif
@ -71,7 +76,7 @@ static inline void __breakpoint(void) {
/**
* Ensure that the compiler does not move memory access across this method call
*/
static inline void __compiler_memory_barrier(void) {
__force_inline static void __compiler_memory_barrier(void) {
__asm__ volatile ("" : : : "memory");
}
@ -140,9 +145,9 @@ static inline void tight_loop_contents(void) {}
* \param b the second operand
* \return a * b
*/
inline static int32_t __mul_instruction(int32_t a, int32_t b) {
asm ("mul %0, %1" : "+l" (a) : "l" (b) : );
return a;
__force_inline static int32_t __mul_instruction(int32_t a, int32_t b) {
asm ("mul %0, %1" : "+l" (a) : "l" (b) : );
return a;
}
/**
@ -167,7 +172,7 @@ return a;
* Get the current exception level on this core
* \return the exception number if the CPU is handling an exception, or 0 otherwise
*/
extern uint __get_current_exception(void);
uint __get_current_exception(void);
#ifdef __cplusplus
}