#12830: Work around GCC 4.7.0 bug on ia64 and improve the GMP-ECM spkg
-------------------------------------------------------------------------------------------------------------------------------------------------+
Reporter: leif
|
Owner: leif
Type: enhancement
|
Status: needs_work
Priority: blocker
|
Milestone: sage-5.0
Component: packages
|
Resolution:
Keywords: spkg -march=native assembler error Darwin MacOS __GMP_CFLAGS
__MPIR_CFLAGS gmp.h GCC 4.7.0 ia64 Itanium bug impossible reload | Work
issues:
Report Upstream: N/A
|
Reviewers: Jeroen Demeyer
Authors: Leif Leonhardy
| Merged
in:
Dependencies:
|
Stopgaps:
-------------------------------------------------------------------------------------------------------------------------------------------------+
Changes (by vbraun):
* status: positive_review => needs_work
Comment:
As reported on https://groups.google.com/d/msg/sage-
devel/F8Y6DP3eSLM/zQM7HKzLt68J, this fails on SLES10 x86_64 with
{{{
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I./x86_64
-I/home/rajeev/bin/sage-5.0.beta14/local/include
-I/home/rajeev/bin/sage-5.0.beta14/local/include -march=native -g -O3
-fPIC -MT libecm_la-mul_fft.lo -MD -MP -MF .deps/libecm_la-mul_fft.Tpo
-c mul_fft.c -o libecm_la-mul_fft.o
: Assembler messages:
:16797: Error: no such instruction: `pmulld %xmm2,%xmm0'
:1023: Error: no such instruction: `pmulld %xmm2,%xmm0'
:608: Error: no such instruction: `pmulld %xmm2,%xmm0'
make[4]: *** [libecm_la-mul_fft.lo] Error 1
}}}
This seems to be a known feature of `gcc -march=native` sometimes emitting
SSE4 asm that is not supported by the installed binutils. See also
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32062
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12830#comment:24>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
