--- Comment #7 from rguenth at gcc dot gnu dot org 2009-06-21 15:40 ---
Well, for a start your asm code shows that you really shouldn't use inline
asm ;) But ...
asm( "movl %%ebx, %0 " : "=m" (t));
you miss an input constraint for %%ebx. But really - what are you trying t
--- Comment #6 from p dot j dot bakker at brainspark dot nl 2009-06-21
14:19 ---
Subject: Re: -fprofile-arcs changes behaviour
Ok. That is great (That there is not a bug in gcc :)).
But I'm at a loss which extra constraints are needed.
COuld you point me in the right direction?
Bes
--- Comment #5 from rguenth at gcc dot gnu dot org 2009-06-21 10:43 ---
Your inline assembly misses required constraints for the hardregister uses.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
-
--- Comment #4 from p dot j dot bakker at brainspark dot nl 2009-06-21
10:16 ---
Just tested: Also applies to gcc 4.4.0 (Debian 4.4.0-8)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40509
--- Comment #3 from p dot j dot bakker at brainspark dot nl 2009-06-21
09:41 ---
Created an attachment (id=18038)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18038&action=view)
Intermediate file without -fprofile-arcs enabled
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4
--- Comment #2 from p dot j dot bakker at brainspark dot nl 2009-06-21
09:41 ---
Created an attachment (id=18037)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18037&action=view)
Intermediate file with -fprofile-arcs enabled
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4050
--- Comment #1 from p dot j dot bakker at brainspark dot nl 2009-06-21
09:40 ---
Created an attachment (id=18036)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18036&action=view)
bugrep.c (The example code)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40509
