| /* Check that the GBR address optimization does not combine a gbr store |
| and its use when a function call is in between, when GBR is a call used |
| register, i.e. it is invalidated by function calls. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fcall-used-gbr" } */ |
| /* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */ |
| /* { dg-final { scan-assembler "stc\tgbr" } } */ |
| |
| extern int test00 (void); |
| int |
| test01 (int x) |
| { |
| /* We must see a stc gbr,rn before the function call, because |
| a function call could modify the gbr. In this case the user requests |
| the old gbr value, before the function call. */ |
| int* p = (int*)__builtin_thread_pointer (); |
| p[5] = test00 (); |
| return 0; |
| } |
