On Mon, May 7, 2012 at 4:28 PM, Jan Hubicka <hubi...@ucw.cz> wrote: > > >> > Index: config/i386/i386.md >> > =================================================================== >> > --- config/i386/i386.md (revision 187257) >> > +++ config/i386/i386.md (working copy) >> > @@ -661,7 +661,7 @@ >> > >> > ;; Describe a user's asm statement. >> > (define_asm_attributes >> > - [(set_attr "length" "128") >> > + [(set_attr "length" "16") >> > (set_attr "type" "multi")]) >> > >> > (define_code_iterator plusminus [plus minus]) >> >> I checked with our people. The maximum insn length on Intel >> processor is 15byte. > > The idea here was originally to prevent LOOP instruction to get out of bounds. > ASM statement even if they are single line may be arbitrary long and thus can > run out of the limits. > We don't produce length instructions anymore, where did you run into problem > with this setting?
Also the length on asm is multiplied by the number of "statements" in the inline-asm so it should work correctly anyways. Thanks, Andrew Pinski
