[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2021-07-29 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2021-07-29 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 Andrew Pinski changed: What|Removed |Added Ever confirmed|1 |0 Status|NEW

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2021-07-29 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 Andrew Pinski changed: What|Removed |Added Target||x86_64-linux-gnu Last reconfirmed|

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2014-06-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Target Milestone|4.7.4 |--- ---

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2013-05-20 Thread ubizjak at gmail dot com
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

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2013-05-20 Thread bernhard.hartleb at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 --- Comment #3 from bernhard.hartleb at gmail dot com --- (In reply to Uroš Bizjak from comment #2) LZCNT insn is part of ABM abi, and is enabled with -mabm. Does LZCNT insn really cause SIGILL on your target? No sorry, this was an error on my

[Bug target/57333] Wrong detection of LZCNT instruction, -mno-lzcnt has no effect

2013-05-19 Thread bernhard.hartleb at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57333 --- Comment #1 from bernhard.hartleb at gmail dot com --- It seems the illegal instructions is caused by the use of LTO. Without LTO everything is fine. The second point is still valid, however.