[Bug target/123023] RISC-V zbb: Missed optimization: constant fold __riscv_orc_b_32

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123023

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |riscv
   Last reconfirmed|                            |2025-12-05
           Severity|normal                      |enhancement
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |missed-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(insn 10 9 11 2 (set (reg:SI 138)
        (const_int 0 [0])) "riscv_bitmanip.h":61:10 -1
     (nil))
(insn 11 10 12 2 (set (reg:SI 137)
        (unspec:SI [
                (reg:SI 138)
            ] UNSPEC_ORC_B)) "riscv_bitmanip.h":61:10 -1
     (nil))


  _4 = __builtin_riscv_orc_b_32 (0);