http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45834
Zdenek Sojka <zsojka at seznam dot cz> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |zsojka at seznam dot cz --- Comment #7 from Zdenek Sojka <zsojka at seznam dot cz> 2010-10-21 12:27:11 UTC --- (In reply to comment #1) > /* We cannot use aliases_everything_p to test MEM, since we must look > at MEM_ADDR, rather than XEXP (mem, 0). */ > if (GET_MODE (mem) == QImode || GET_CODE (mem_addr) == AND) > return 1; > Just out of curiosity, I tried compiling gcc without these four lines. Bootstrap at x86_64-linux went fine, regression test with the same results as clean trunk. stage3 .o files weren't the same (compared to clean trunk). Those I had a look at, have small differences in scheduling and register allocation.