URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [tree-ssa/] [pr20963.C] - Rev 742
Go to most recent revision | Compare with Previous | Blame | View Log
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* This was causing PRE to insert the value of the ADDR variable, to
remove the invariant cast but in doing so, it was creating a
non-invariant expression out of the invariant one, causing a later
failure in PRE. */
struct sMCB {
unsigned char type;
};
extern void foo (void);
unsigned char mem_readb(char *pt) __attribute__((nothrow));
void DOS_FreeProcessMemory(unsigned short pspseg) {
while (1) {
if (pspseg)
foo ();
char *addr = (char*)(&((sMCB*)0)->type);
if (mem_readb(addr)==0x5a) break;
}
};
Go to most recent revision | Compare with Previous | Blame | View Log