[Bug target/114861] New: LoongArch: Fail to build the kernel with -Os

["xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114861

            Bug ID: 114861
           Summary: LoongArch: Fail to build the kernel with -Os
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: xry111 at gcc dot gnu.org
  Target Milestone: ---

drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c: In function ‘gfx_v6_0_hw_init’:
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c:3144:1: error: could not split insn
(insn:TI 1764 67 1745 (set (mem/c:DI (reg/f:DI 3 $r3) [707 %sfp+-80 S8 A64])
        (and:DI (reg/v:DI 28 $r28 [orig:422 raster_config ] [422])
            (const_int -50331649 [0xfffffffffcffffff])))
"drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c":1386:21 111 {*bstrins_di_for_mask}
     (nil))
during RTL pass: final
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c:3144:1: internal compiler error: in
final_scan_insn_1, at final.cc:2807
0x6fdffe _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        ../../gcc/gcc/rtl-error.cc:108
0x68dc4b final_scan_insn_1
        ../../gcc/gcc/final.cc:2807
0xb38398 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        ../../gcc/gcc/final.cc:2886
0xb3858f final_1
        ../../gcc/gcc/final.cc:1977
0xb39096 rest_of_handle_final
        ../../gcc/gcc/final.cc:4239
0xb39096 execute
        ../../gcc/gcc/final.cc:4317
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