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[Bug gas/12610] gas calculates wrong difference between two labels
From: |
rth at gcc dot gnu.org |
Subject: |
[Bug gas/12610] gas calculates wrong difference between two labels |
Date: |
Tue, 29 Mar 2011 17:16:39 +0000 |
http://sourceware.org/bugzilla/show_bug.cgi?id=12610
Richard Henderson <rth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |rth at gcc dot gnu.org
AssignedTo|unassigned at sources dot |rth at gcc dot gnu.org
|redhat.com |
--- Comment #4 from Richard Henderson <rth at gcc dot gnu.org> 2011-03-29
17:16:25 UTC ---
Confirmed. The label is getting attached to the end of the alignment,
rather than the beginning. Examine the following with and without the
fixme label:
.text
unop
unop
unop
unop
$LEHB25:
jsr $26,_Unwind_Resume
$LEHE25:
$fixme:
.align 4
fnop
.data
.long $LEHE25 - $LEHB25
Somewhat amusingly, we get the correct answer *with* fixme present.
I have some vague rememberance that the old coff assembler had some
sort of auto-alignment feature, which got copied into the elf assembler.
I suspect this is what is causing the problem.
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- [Bug gas/12610] New: gas calculates wrong difference between two labels, ubizjak at gmail dot com, 2011/03/28
- [Bug gas/12610] gas calculates wrong difference between two labels, ubizjak at gmail dot com, 2011/03/28
- [Bug gas/12610] gas calculates wrong difference between two labels, ubizjak at gmail dot com, 2011/03/28
- [Bug gas/12610] gas calculates wrong difference between two labels, ubizjak at gmail dot com, 2011/03/28
- [Bug gas/12610] gas calculates wrong difference between two labels, ubizjak at gmail dot com, 2011/03/28
- [Bug gas/12610] gas calculates wrong difference between two labels,
rth at gcc dot gnu.org <=
- [Bug gas/12610] gas calculates wrong difference between two labels, cvs-commit at gcc dot gnu.org, 2011/03/29
- [Bug gas/12610] gas calculates wrong difference between two labels, rth at gcc dot gnu.org, 2011/03/29