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# frv testcase for umul $GRi,$GRj,$GRk
# mach: all

        .include "testutils.inc"

        start

        .global umul
umul:
        set_gr_immed    3,gr7           ; multiply small numbers
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_immed   6,gr9

        set_gr_immed    1,gr7           ; multiply by 1
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_immed   2,gr9

        set_gr_immed    2,gr7           ; multiply by 1
        set_gr_immed    1,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_immed   2,gr9

        set_gr_immed    0,gr7           ; multiply by 0
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_immed   0,gr9

        set_gr_immed    2,gr7           ; multiply by 0
        set_gr_immed    0,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_immed   0,gr9

        set_gr_limmed   0x3fff,0xffff,gr7       ; 31 bit result
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_limmed  0x7fff,0xfffe,gr9

        set_gr_limmed   0x4000,0x0000,gr7       ; 32 bit result
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   0,gr8
        test_gr_limmed  0x8000,0x0000,gr9

        set_gr_limmed   0x8000,0x0000,gr7       ; 33 bit result
        set_gr_immed    2,gr8
        umul            gr7,gr8,gr8
        test_gr_immed   1,gr8
        test_gr_immed   0x00000000,gr9

        set_gr_limmed   0x7fff,0xffff,gr7       ; max positive result
        set_gr_limmed   0x7fff,0xffff,gr8
        umul            gr7,gr8,gr8
        test_gr_limmed  0x3fff,0xffff,gr8
        test_gr_immed   0x00000001,gr9

        set_gr_limmed   0x8000,0x0000,gr7       ; max positive result
        set_gr_limmed   0x8000,0x0000,gr8
        umul            gr7,gr8,gr8
        test_gr_limmed  0x4000,0x0000,gr8
        test_gr_immed   0,gr9

        set_gr_limmed   0xffff,0xffff,gr7       ; max positive result
        set_gr_limmed   0xffff,0xffff,gr8
        umul            gr7,gr8,gr8
        test_gr_limmed  0xffff,0xfffe,gr8
        test_gr_immed   1,gr9

        pass