On 2008-04-17 14:02:17 +0400, Alexei Sheplyakov wrote:
I don't think it's a bug. Rather, it's a wrong expectation from the
user side. You are comparing results of FP calculation done on 3
different platforms: ix87, sse2, and MPFR, and expect them to be the
same. I think your expectation is
Package: gcc-4.3
Version: 4.3.2-1.1
Severity: important
Tags: lenny
When I build GMP 4.3.0 with gcc 4.3.2, I get the following errors in
make check:
rootrem.c:338: GNU MP assertion failed: bn = qn
/bin/sh: line 4: 2231 Aborted (core dumped) ${dir}$tst
FAIL: reuse
rootrem.c:338:
Processing commands for cont...@bugs.debian.org:
reopen 524424
Bug#524424: gdb: asin produces wrong values
Bug reopened, originator not changed.
reassign 524424 gcc-4.3
Bug#524424: gdb: asin produces wrong values
Bug reassigned from package `gdb' to `gcc-4.3'.
thanks
Stopping processing
Processing commands for cont...@bugs.debian.org:
retitle 524472 gcc-4.3: gcc 4.3.2 strict-aliasing bug / miscompiles GMP 4.3.0
Bug#524472: gcc-4.3: gcc 4.3.2 miscompiles GMP 4.3.0
Changed Bug title to `gcc-4.3: gcc 4.3.2 strict-aliasing bug / miscompiles GMP
4.3.0' from `gcc-4.3: gcc 4.3.2
retitle 524472 gcc-4.3: gcc 4.3.2 strict-aliasing bug / miscompiles GMP 4.3.0
thanks
I've tracked down the bug and managed to write a simple testcase:
/* With GCC 4.3.2 and -O2 option: output value is 1 instead of 0.
* If -fno-strict-aliasing is added, this bug disappears.
*/
#include stdio.h
reopen 524424
reassign 524424 gcc-4.3
thanks
On Thu, Apr 16, 2009 at 08:41:05PM -0700, Jacob Mandelson wrote:
Should I file this against gcc or libc then?
In concert, this behavior is clearly erroneous.
I'll reassign this to GCC - I think that at least the option to output
the declarations
--- Comment #8 from ramana at gcc dot gnu dot org 2009-04-17 16:41 ---
As per comment above appears fixed in all release branches today.
--
ramana at gcc dot gnu dot org changed:
What|Removed |Added
LAST_UPDATED: Wed Apr 15 11:09:23 UTC 2009 (revision 146101)
Native configuration is alpha-unknown-linux-gnu
=== libgomp tests ===
Running target unix
WARNING: program timed out.
FAIL: libgomp.c/autopar-1.c execution test
FAIL: libgomp.fortran/threadprivate3.f90 -O3
LAST_UPDATED: Wed Apr 15 11:09:23 UTC 2009 (revision 146101)
Target: x86_64-linux-gnu
gcc version 4.3.3 (Debian 4.3.3-8)
Native configuration is x86_64-pc-linux-gnu
=== g++ tests ===
Running target unix
=== g++ Summary for unix ===
# of expected passes
LAST_UPDATED: Wed Apr 15 11:09:23 UTC 2009 (revision 146101)
Target: i486-linux-gnu
gcc version 4.3.3 (Debian 4.3.3-8)
Native configuration is i486-pc-linux-gnu
=== g++ tests ===
Running target unix
=== g++ Summary for unix ===
# of expected passes
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