sim/testsuite/bpf/mov.s

# mach: bpf
# output: pass\nexit 0 (0x0)\n
;; mov.s
;; Tests for mov and mov32 instructions

    .include "testutils.inc"

    .text
    .global main
    .type main, @function
main:
    ;; some basic sanity checks
    mov32       %r1, 5
    fail_ne     %r1, 5

    mov32       %r2, %r1
    fail_ne     %r2, 5

    mov         %r2, %r1
    fail_ne     %r2, 5

    mov         %r1, -666
    fail_ne     %r1, -666

    ;; should NOT sign extend
    mov32       %r1, -1
    fail_ne     %r1, 0x00000000ffffffff

    ;; should sign extend
    mov         %r2, -1
    fail_ne     %r2, 0xffffffffffffffff

    mov         %r3, 0x80000000

    ;; should NOT sign extend
    mov32       %r4, %r3
    fail_ne     %r4, 0x0000000080000000

    ;; should sign extend
    mov         %r5, %r3
    fail_ne     %r5, 0xffffffff80000000

    mov32       %r1, -2147483648
    mov32       %r1, %r1
    fail_ne32   %r1, -2147483648

    ;; casting shenanigans
    mov         %r1, %r1
    fail_ne     %r1, +2147483648
    mov32       %r2, -1
    mov         %r2, %r2
    fail_ne     %r2, +4294967295

    pass