https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113042
--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Andrew Pinski <pins...@gcc.gnu.org>: https://gcc.gnu.org/g:4a5d6118c10dfa4f1ed28ab4875bb80f2b2dca9d commit r15-3072-g4a5d6118c10dfa4f1ed28ab4875bb80f2b2dca9d Author: Andrew Pinski <quic_apin...@quicinc.com> Date: Fri Aug 16 11:18:31 2024 -0700 aarch64: Implement popcountti2 pattern [PR113042] When CSSC is not enabled, 128bit popcount can be implemented just via the vector (v16qi) cnt instruction followed by a reduction, like how the 64bit one is currently implemented instead of splitting into 2 64bit popcount. Changes since v1: * v2: Make operand 0 be DImode instead of TImode and simplify. Build and tested for aarch64-linux-gnu. PR target/113042 gcc/ChangeLog: * config/aarch64/aarch64.md (popcountti2): New define_expand. gcc/testsuite/ChangeLog: * gcc.target/aarch64/popcnt10.c: New test. * gcc.target/aarch64/popcnt9.c: New test. Signed-off-by: Andrew Pinski <quic_apin...@quicinc.com>
