romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-05-14 17:06:22 +03:00
Code Issues Projects Releases Packages Wiki Activity

relay on HWCAP_SB definition

Browse source
This commit is contained in:
Salvatore Dipietro 2025-05-09 17:05:38 -07:00
parent 5304ab5460
commit d1bb7c6ba7
2 changed files with 2 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/jemalloc/internal/spin_delay_arm.h
View file

@ -11,6 +11,7 @@ void detect_arm_sb_support(void);
/* Use SB instruction if available, otherwise ISB */
static inline void
spin_delay_arm(void) {
#ifdef HWCAP_SB
if (__builtin_expect(arm_has_sb_instruction == 1, 1)) {
/* SB instruction encoding */
asm volatile(".inst 0xd50330ff \n");
@ -18,4 +19,5 @@ spin_delay_arm(void) {
/* ISB instruction */
asm volatile("isb; \n");
}
#endif // HWCAP_SB
}