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* [Bug target/19115] long double should be changed over to 128bit by default [not found] <bug-19115-4036@http.gcc.gnu.org/bugzilla/> @ 2006-07-11 17:00 ` dje at gcc dot gnu dot org 2008-08-31 14:37 ` dje at gcc dot gnu dot org 1 sibling, 0 replies; 4+ messages in thread From: dje at gcc dot gnu dot org @ 2006-07-11 17:00 UTC (permalink / raw) To: gcc-bugs ------- Comment #8 from dje at gcc dot gnu dot org 2006-07-11 16:59 ------- Switching actually causes problems on AIX due to AIX math.h header enabling additional macros with types that conflict with GCC. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19115 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/19115] long double should be changed over to 128bit by default [not found] <bug-19115-4036@http.gcc.gnu.org/bugzilla/> 2006-07-11 17:00 ` [Bug target/19115] long double should be changed over to 128bit by default dje at gcc dot gnu dot org @ 2008-08-31 14:37 ` dje at gcc dot gnu dot org 1 sibling, 0 replies; 4+ messages in thread From: dje at gcc dot gnu dot org @ 2008-08-31 14:37 UTC (permalink / raw) To: gcc-bugs ------- Comment #9 from dje at gcc dot gnu dot org 2008-08-31 14:36 ------- This default was changed for GCC targeted at AIX 6.1. -- dje at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19115 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/19115] New: __builtin_frexpl and std::frexp(long double) broken @ 2004-12-21 19:37 jlquinn at gcc dot gnu dot org 2004-12-28 20:51 ` [Bug target/19115] long double should be changed over to 128bit by default pinskia at gcc dot gnu dot org 2005-02-18 14:24 ` jlquinn at gcc dot gnu dot org 0 siblings, 2 replies; 4+ messages in thread From: jlquinn at gcc dot gnu dot org @ 2004-12-21 19:37 UTC (permalink / raw) To: gcc-bugs The attached test generates the following output: i=-803365344 i=1 Both __builtin_frexpl and std::frexp(long double) give the above incorrect output. However, ::frexpl works as expected. -- Summary: __builtin_frexpl and std::frexp(long double) broken Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jlquinn at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org GCC host triplet: powerpc-ibm-aix5.2.0.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19115 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/19115] long double should be changed over to 128bit by default 2004-12-21 19:37 [Bug c++/19115] New: __builtin_frexpl and std::frexp(long double) broken jlquinn at gcc dot gnu dot org @ 2004-12-28 20:51 ` pinskia at gcc dot gnu dot org 2005-02-18 14:24 ` jlquinn at gcc dot gnu dot org 1 sibling, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-12-28 20:51 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-28 20:51 ------- Confirmed, changing the summary to refect reality. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-12-28 20:51:42 date| | Summary|__builtin_frexpl and |long double should be |std::frexp(long double) |changed over to 128bit by |broken |default http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19115 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/19115] long double should be changed over to 128bit by default 2004-12-21 19:37 [Bug c++/19115] New: __builtin_frexpl and std::frexp(long double) broken jlquinn at gcc dot gnu dot org 2004-12-28 20:51 ` [Bug target/19115] long double should be changed over to 128bit by default pinskia at gcc dot gnu dot org @ 2005-02-18 14:24 ` jlquinn at gcc dot gnu dot org 1 sibling, 0 replies; 4+ messages in thread From: jlquinn at gcc dot gnu dot org @ 2005-02-18 14:24 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From jlquinn at gcc dot gnu dot org 2005-02-18 02:59 ------- (In reply to comment #5) > libstdc++ is calling frexpl in libc.a, which expects an AIX format long double > value, not a double. Things work if one uses -mlong-double-128. At some point > we need to default to long-double-128 for AIX for things to be self-consistent. What are the concerns with making this switch? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19115 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2008-08-31 14:37 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-19115-4036@http.gcc.gnu.org/bugzilla/> 2006-07-11 17:00 ` [Bug target/19115] long double should be changed over to 128bit by default dje at gcc dot gnu dot org 2008-08-31 14:37 ` dje at gcc dot gnu dot org 2004-12-21 19:37 [Bug c++/19115] New: __builtin_frexpl and std::frexp(long double) broken jlquinn at gcc dot gnu dot org 2004-12-28 20:51 ` [Bug target/19115] long double should be changed over to 128bit by default pinskia at gcc dot gnu dot org 2005-02-18 14:24 ` jlquinn at gcc dot gnu dot org
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