http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49611
--- Comment #2 from Ryan Johnson <scovich at gmail dot com> 2011-07-04 20:32:01 UTC --- (In reply to comment #1) > Making this work reliably is probably more work than making GCC use the flags > from more cases from regular C code. Does that mean each such case would need to be identified individually and then hard-wired into i386.md? The existence of modes like CCGC, CCGOC, CCNO, etc. in i386-modes.def made me hope that some high-level mechanism existed for reasoning about the semantics of condition codes. Or does that mechanism exist, and is just difficult to expose to inline asm for some reason?
