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From: bangerth@dealii.org To: auke.kok@planet.nl, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org Subject: Re: optimization/10165: [3.2.2] insn - jsdtoa.c from mozilla with -O2 -march=pentium4 Date: Thu, 20 Mar 2003 16:23:00 -0000 [thread overview] Message-ID: <20030320162358.24449.qmail@sources.redhat.com> (raw) Synopsis: [3.2.2] insn - jsdtoa.c from mozilla with -O2 -march=pentium4 State-Changed-From-To: open->closed State-Changed-By: bangerth State-Changed-When: Thu Mar 20 16:23:58 2003 State-Changed-Why: Confirmed. Here's a much smaller testcase: ----------------------- typedef union { double value; struct { int lsw; int msw; } parts; } X; void foo() { int e1; double rv; if (e1 < 0) { undfl: e1 = 1; goto undfl; } if (((__extension__ ({ X x; x.value = (rv); x.parts.lsw; })) & 1)) goto undfl; if ((__extension__ ({ X x; x.value = (rv); x.parts.lsw; })) || (__extension__ ({ X x; x.value = (rv); x.parts.msw; })) & 0xfffff) {} } ----------------------------- It fails for 3.2, but is fixed in 3.3 and mainline. 3.0 didn't have -march=pentium4, so this is not a regression and has already been fixed, which is why I will close the report. Thanks anyway Wolfgang http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10165
next reply other threads:[~2003-03-20 16:23 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-03-20 16:23 bangerth [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-03-20 11:36 auke.kok
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