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Use asm volatile during benchmarks.

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guangli-dai 2022-12-15 10:54:33 -08:00 • committed by Qi Wang
parent e8b28908de
commit 09e4b38fb1
6 changed files with 51 additions and 7 deletions
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20
test/stress/cpp/microbench.cpp
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@ -3,44 +3,50 @@
static void
malloc_free(void) {
void* volatile p = malloc(1);
void* p = malloc(1);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
p = no_opt_ptr(p);
free((void *)p);
}
static void
new_delete(void) {
void* volatile p = ::operator new(1);
void* p = ::operator new(1);
expect_ptr_not_null((void *)p, "Unexpected new failure");
p = no_opt_ptr(p);
::operator delete((void *)p);
}
static void
malloc_free_array(void) {
void* volatile p = malloc(sizeof(int)*8);
void* p = malloc(sizeof(int)*8);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
p = no_opt_ptr(p);
free((void *)p);
}
static void
new_delete_array(void) {
int* volatile p = new int[8];
expect_ptr_not_null((int *)p, "Unexpected new[] failure");
int* p = new int[8];
expect_ptr_not_null((void *)p, "Unexpected new[] failure");
p = (int *)no_opt_ptr((void *)p);
delete[] (int *)p;
}
#if __cpp_sized_deallocation >= 201309
static void
new_sized_delete(void) {
void* volatile p = ::operator new(1);
void* p = ::operator new(1);
expect_ptr_not_null((void *)p, "Unexpected new failure");
p = no_opt_ptr(p);
::operator delete((void *)p, 1);
}
static void
malloc_sdallocx(void) {
void* volatile p = malloc(1);
void* p = malloc(1);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
p = no_opt_ptr(p);
sdallocx((void *)p, 1, 0);
}
#endif