[Bug c/26653] Wrong assembly generated with -O2, -O OK for cinelerra source item

["mtodorov at alu dot hr" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #8 from mtodorov at alu dot hr  2006-03-12 18:41 -------
Subject: Re:  Wrong assembly generated with -O2, -O OK for
 cinelerra source item


On Sun, 12 Mar 2006, steven at gcc dot gnu dot org wrote:

> ------- Comment #7 from steven at gcc dot gnu dot org  2006-03-12 18:30 -------
> The problem is in your asm constraints.  You allow GCC to do certain things
> with the wrong constraints.  Now, it may or may not do those things, depending
> on what it thinks is best.  Apparently it thinks one thing is best with one set
> of flags (or one version of the compiler for that matter) and something else is
> best with another.  Tough for you, but not a bug in GCC.  When you want this to
> work, _you_ have to do the right thing.  Then GCC will do the right thing too.

This clarified a lot.

Then I guess I should submit bug report to libjpeg-mmx authors.

I am amazed at your fast response and how fast you react and solve. Keep 
up the good work, chums!

M.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26653