On Nov 27, 2007, Michael Matz <[EMAIL PROTECTED]> wrote: > Hi, > On Mon, 26 Nov 2007, Alexandre Oliva wrote:
>> >> And then, you have to tweak everything else to keep the note that >> >> replaced the set up to date as you further optimize the code. >> >> > No. remove_insn() would replace the SET with a note. >> >> What information would this note convey? > Oh my, sorry for adding confusion to the topic: I meant to write "would > _not_ replace the SET with a note". Aah, ok. So, you do indeed completely lose track of the crucial differences between the two cases for the removal of a SET. And not only about their implications, but also about where they ought to take effect. -- Alexandre Oliva http://www.lsd.ic.unicamp.br/~oliva/ FSF Latin America Board Member http://www.fsfla.org/ Red Hat Compiler Engineer [EMAIL PROTECTED], gcc.gnu.org} Free Software Evangelist [EMAIL PROTECTED], gnu.org}
