https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115840
--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by YunQiang Su <s...@gcc.gnu.org>: https://gcc.gnu.org/g:c6f38e5e6d900b8ed6a4f5c126d3197946cad4dd commit r15-1995-gc6f38e5e6d900b8ed6a4f5c126d3197946cad4dd Author: YunQiang Su <yunqi...@isrc.iscas.ac.cn> Date: Thu Jul 11 20:43:54 2024 +0800 RISC-V: NO_WARNING preferred else value for RVV PR target/115840. In riscv_preferred_else_value, we create an uninitialized tmp var for else value, instead of the 0 (as default_preferred_else_value) or the pre-exists VAR (as aarch64 does), so that we can use agnostic policy. The problem is that `warn_uninit` will emit a warning: '({anonymous})' may be used uninitialized Let's mark this tmp var as NO_WARNING. This problem is found when I try to build glibc with V extension. gcc PR target/115840 * config/riscv/riscv.cc(riscv_preferred_else_value): Mark tmp_var as NO_WARNING. gcc/testsuite * gcc.dg/vect/pr115840.c: New testcase.
