http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49313
--- Comment #9 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-07-29 09:33:58 UTC --- Author: gjl Date: Fri Jul 29 09:33:54 2011 New Revision: 176920 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176920 Log: PR target/49313 * config/avr/libgcc.S (__ffshi2): Don't skip 2-word instruction. (__ctzsi2): Result for 0 may be undefined. (__ctzhi2): Result for 0 may be undefined. (__popcounthi2): Don't clobber r30. Use __popcounthi2_tail. (__popcountsi2): Ditto. And don't clobber r26. (__popcountdi2): Ditto. And don't clobber r27. * config/avr/avr.md (UNSPEC_COPYSIGN): New c_enum. (parityhi2): New expand. (paritysi2): New expand. (popcounthi2): New expand. (popcountsi2): New expand. (clzhi2): New expand. (clzsi2): New expand. (ctzhi2): New expand. (ctzsi2): New expand. (ffshi2): New expand. (ffssi2): New expand. (copysignsf3): New insn. (bswapsi2): New expand. (*parityhi2.libgcc): New insn. (*parityqihi2.libgcc): New insn. (*paritysihi2.libgcc): New insn. (*popcounthi2.libgcc): New insn. (*popcountsi2.libgcc): New insn. (*popcountqi2.libgcc): New insn. (*popcountqihi2.libgcc): New insn-and-split. (*clzhi2.libgcc): New insn. (*clzsihi2.libgcc): New insn. (*ctzhi2.libgcc): New insn. (*ctzsihi2.libgcc): New insn. (*ffshi2.libgcc): New insn. (*ffssihi2.libgcc): New insn. (*bswapsi2.libgcc): New insn. Modified: trunk/gcc/ChangeLog trunk/gcc/config/avr/avr.md trunk/gcc/config/avr/libgcc.S