https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81015
Uroš Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86 Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2017-06-08 Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com Target Milestone|--- |7.2 Ever confirmed|0 |1 --- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> --- Introduced by the following commit: 2016-12-14 Uros Bizjak <ubiz...@gmail.com> PR target/59874 * config/i386/i386-builtin.def: Add __builtin_clzs and __builtin_ctzs. (ix86_fold_builtin): Handle IX86_BUILTIN_CTZS and IX86_BUILTIN_CLZS. * config/i386/i386.md (*ctzhi2): New insn_and_split pattern. (*clzhi2): Ditto. ctzhi2 and clzhi2 patterns are wrong and this part should be reverted.