[Bug target/56121] New: [SH] ICE in libgcc/unwind-dw2.c

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56121



             Bug #: 56121

           Summary: [SH] ICE in libgcc/unwind-dw2.c

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: target

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: olege...@gcc.gnu.org

            Target: sh*-*-*





When building an SH cross compiler the following error occurs:



../../../../gcc-trunk2/libgcc/unwind-dw2.c: In function 'execute_stack_op':

../../../../gcc-trunk2/libgcc/unwind-dw2.c:902:1: error: unable to generate

reloads for:

 }

 ^

(insn 747 746 748 61 (set (reg:SI 147 t)

        (zero_extract:SI (reg:SI 621 [ MEM[(struct _Unwind_Context

*)context_25(D) + 640B] ])

            (const_int 1 [0x1])

            (const_int 30 [0x1e])))

../../../../gcc-trunk2/libgcc/unwind-dw2.c:211 496 {bld_reg}

     (expr_list:REG_DEAD (reg:SI 621 [ MEM[(struct _Unwind_Context

*)context_25(D) + 640B] ])

        (nil)))

../../../../gcc-trunk2/libgcc/unwind-dw2.c:902:1: internal compiler error: in

find_reloads, at reload.c:3877

0x85338c7 _fatal_insn(char const*, rtx_def const*, char const*, int, char

const*)

    ../../gcc-trunk2/gcc/rtl-error.c:109

0x851b374 find_reloads(rtx_def*, int, int, int, short*)

    ../../gcc-trunk2/gcc/reload.c:3877

0x8524668 calculate_needs_all_insns

    ../../gcc-trunk2/gcc/reload1.c:1520

0x8529038 reload(rtx_def*, int)

    ../../gcc-trunk2/gcc/reload1.c:941

0x8444925 do_reload

    ../../gcc-trunk2/gcc/ira.c:4635

0x8444925 rest_of_handle_reload

    ../../gcc-trunk2/gcc/ira.c:4736

Please submit a full bug report,



It seems this happens when compiling libgcc for SH2A.