[Bug libitm/53113] Build fails in x86_avx.cc if AVX disabled but supported by as (Solaris & Linux)

windward at gmx dot com gcc-bugzilla@gcc.gnu.org
Tue Feb 26 14:18:00 GMT 2013


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53113

--- Comment #10 from Martin <windward at gmx dot com> 2013-02-26 14:18:13 UTC ---
(In reply to comment #8)

In fact I [suppose I] do as you suggest: I use "-march=core2" to prevent it
from using AVX. The problem is that this is inconsistently overruled by the
capabilities reported by the assembler (HAVE_AS_AVX). IMHO these capabilities
are not properly matched against the architecture/target flags, please have a
close look at my original posting and the easy workaround.

Besides that I agree with Ryan, this shouldn't break the build anyway.



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