digitalmars.D.bugs - [Issue 5439] New: 64bit struct alignment inconsistent with C ABI
- d-bugmail puremagic.com (22/22) Jan 09 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5439
- d-bugmail puremagic.com (10/10) Jan 09 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5439
- d-bugmail puremagic.com (12/12) Jan 11 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5439
http://d.puremagic.com/issues/show_bug.cgi?id=5439
Summary: 64bit struct alignment inconsistent with C ABI
Product: D
Version: D1 & D2
Platform: x86_64
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody puremagic.com
ReportedBy: ibuclaw ubuntu.com
This was caused by bug2821. On 64bit, doubles are 8-byte aligned, not 4, so
struct { long, short }
Should have a sizeof = 16, not 12.
Btw, would be nice if you offered a -malign-double type flag to say "Yes, I
want 8 byte aligned doubles on 32bit Linux" :)
Regards
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d-bugmail puremagic.com
http://d.puremagic.com/issues/show_bug.cgi?id=5439
Iain Buclaw <ibuclaw ubuntu.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ibuclaw ubuntu.com
To save you searching for it, lookup "TypeBasic::alignsize"
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http://d.puremagic.com/issues/show_bug.cgi?id=5439
Walter Bright <bugzilla digitalmars.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |bugzilla digitalmars.com
Resolution| |FIXED
00:05:55 PST ---
http://www.dsource.org/projects/dmd/changeset/861
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Jan 11 2011