Viewing file:  alias-1.c (1.02 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-fgnu-tm -fdump-tree-ealias -O" } */
typedef __UINTPTR_TYPE__ ptrcast;
#if (__SIZEOF_POINTER__ == 4)
#define TM_LOAD __builtin__ITM_RU4
#define TM_STORE __builtin__ITM_WU4
#elif (__SIZEOF_POINTER__ == 8)
#define TM_LOAD __builtin__ITM_RU8
#define TM_STORE __builtin__ITM_WU8
#else
#error Add target support here
#endif
struct mystruct_type {
ptrcast *ptr;
} *mystruct;
ptrcast *someptr, **pp;
ptrcast ui;
void f(void)
{
__transaction_atomic {
ui = TM_LOAD (&mystruct);
mystruct = (struct mystruct_type *) ui;
ui = TM_LOAD (&someptr);
someptr = (ptrcast *) ui;
ui = (ptrcast) someptr;
pp = &mystruct->ptr;
TM_STORE (pp, ui);
}
}
/* { dg-final { scan-tree-dump-times "mystruct = \{ .*ESCAPED" 1 "ealias" } } */
/* { dg-final { scan-tree-dump-times "someptr = .*same as mystruct" 1 "ealias" } } */
/* { dg-final { scan-tree-dump-times "ui\..* = .*same as mystruct" 1 "ealias" } } */
/* { dg-final { scan-tree-dump-times "pp\..* = .*same as mystruct" 1 "ealias" } } */
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