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fix shared memory optimization problem

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This commit is contained in:
Wolfvak 2020-08-15 20:30:27 -03:00
parent 8375434093
commit 03007c2b42
1 changed files with 4 additions and 0 deletions
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4
common/shmem.h
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@ -40,6 +40,10 @@ extern SystemSHMEM *shmemGlobalBase;
static inline SystemSHMEM *ARM_GetSHMEM(void) static inline SystemSHMEM *ARM_GetSHMEM(void)
{ {
// shared memory contents are extremely likely to change
// insert a compiler barrier to force the compiler not to assume
// memory values will remain constant in between calls to getSHMEM
asm_v("":::"memory", "cc");
return shmemGlobalBase; return shmemGlobalBase;
} }