Daniel Mierswa <impulze@xxxxxxxxxxx> writes: > On 08.01.2011 05:50, Ian Lance Taylor wrote: >> You are correct: you have to list all the caller-saved registers in the >> clobber list. On 32-bit x86 this is all the registers other than %ebp, >> %ebx, %edi and %esi. >> >> Ian > > If I'm not mistaken that should leave eax, ecx and edx. What about "cc" > and "memory" though? Good point, yes, you should add an explicit "memory" clobber. You don't need to explicitly clobber "cc". That is a fixed register (actually gcc calls it "flags") and as such gcc won't make any particular assumptions about it in any case. Ian
