https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111927
Bug ID: 111927 Summary: RISC-V: internal compiler error: in merge, at config/riscv/riscv-vsetvl.cc:1997 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: fanghuaqi at vip dot qq.com Target Milestone: --- Created attachment 56173 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56173&action=edit bug file compiled by risc-v rvv compiler Hi, I met an issue when compile code attached using risc-v gcc compiler(-march=rv64imafc_zve64f -mabi=lp64f -O2) from master branch, and it throw issue like below: during RTL pass: vsetvl <source>: In function 'riscv_lms_f32': <source>:240:1: internal compiler error: in merge, at config/riscv/riscv-vsetvl.cc:1997 240 | } | ^ 0x7ff32c9c0082 __libc_start_main ???:0 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Compiler returned: 1 Checked with gcc 13.2.0 and clang truck it both works well. You can also check it in https://godbolt.org/z/4drnazzaf