[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect
ubizjak at gmail dot com
gcc-bugzilla@gcc.gnu.org
Mon May 20 06:33:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tmsriram at google dot com
Target Milestone|--- |4.7.4
Severity|major |normal
--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
LZCNT insn is part of ABM abi, and is enabled with -mabm. Does LZCNT insn
really cause SIGILL on your target?
The issue with -mno-lzcnt will be fixed as part of patch at [1].
[1] http://gcc.gnu.org/ml/gcc-patches/2013-05/msg01054.html
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