[Bug rtl-optimization/59942] pdp11-aout-gcc: PDP-11/10 code generation crashes when trying to do multiple shifts.

[cptjustice at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59942

Patrick Conlon <cptjustice at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cptjustice at gmail dot com

--- Comment #1 from Patrick Conlon <cptjustice at gmail dot com> ---
gcc version 9.0.0 20180808 (experimental) (GCC) no longer produces this
compiler error.

Output of pdp11-aout-gcc -m10... :

        .text
        .even
        .globl  _main
_main:
        mov     r5,-(sp)
        mov     sp,r5
        add     $-04,sp
        jsr     pc,___main
        mov     $023420,-02(r5)
        mov     -02(r5),r0
        mov     $011,r1
        mov     -02(r5),r0
L_5:
        asr     r0
        dec     r1
        bne     L_5
        mov     r0,-04(r5)
        clr     r0
        mov     r5,sp
        mov     (sp)+,r5
        rts     pc


Output of -m40 option:

        .text
        .even
        .globl  _main
_main:
        mov     r5,-(sp)
        mov     sp,r5
        add     $-04,sp
        jsr     pc,___main
        mov     $023420,-02(r5)
        mov     -02(r5),r0
        ash     $-011,r0
        mov     r0,-04(r5)
        clr     r0
        mov     r5,sp
        mov     (sp)+,r5
        rts     pc