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# frv testcase for mcpxrs $GRi,$GRj,$ACCk
# mach: all

        .include "testutils.inc"

        start

        .global mcpxrs
mcpxrs:
        ; Positive operands
        set_fr_iimmed   2,4,fr7         ; multiply small numbers
        set_fr_iimmed   3,5,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_immed  -14,acc0

        set_fr_iimmed   3,1,fr7         ; multiply by 0
        set_fr_iimmed   2,0,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  6,acc0

        set_fr_iimmed   2,1,fr7         ; multiply by 1
        set_fr_iimmed   1,1,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  1,acc0

        set_fr_iimmed   0x3fff,2,fr7    ; 15 bit result
        set_fr_iimmed   2,0x0007,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0,0x7ff0,acc0

        set_fr_iimmed   0x4000,2,fr7    ; 16 bit result
        set_fr_iimmed   2,0x2000,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x0000,0x4000,acc0

        set_fr_iimmed   0x7fff,0x0000,fr7       ; max positive result
        set_fr_iimmed   0x7fff,0x7fff,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x3fff,0x0001,acc0

        ; Mixed operands
        set_fr_iimmed   2,0xfffd,fr7            ; multiply small numbers
        set_fr_iimmed   0xfffd,1,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_immed  -3,acc0

        set_fr_iimmed   0xfffe,2,fr7            ; multiply by 1
        set_fr_iimmed   1,0xfffe,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  2,acc0

        set_fr_iimmed   0xfffe,0,fr7            ; multiply by 0
        set_fr_iimmed   1,0xfffe,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_immed  -2,acc0

        set_fr_iimmed   0x2001,0xfffe,fr7       ; 15 bit result
        set_fr_iimmed   0xfffe,0xfff9,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_limmed 0xffff,0xbff0,acc0

        set_fr_iimmed   0x4000,0xfffe,fr7       ; 16 bit result
        set_fr_iimmed   0xfffe,0x0003,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_limmed 0xffff,0x8006,acc0

        set_fr_iimmed   0x7fff,0x8000,fr7       ; max negative result
        set_fr_iimmed   0x8000,0x8000,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_limmed 0x8000,0x8000,acc0

        set_fr_iimmed   0x8000,0x7fff,fr7       ; max positive result
        set_fr_iimmed   0x8000,0x8000,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x7fff,0x8000,acc0

        ; Negative operands
        set_fr_iimmed   0xfffe,0xfffc,fr7               ; multiply small numbers
        set_fr_iimmed   0xfffd,0xfffb,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0xff,accg0
        test_acc_immed  -14,acc0

        set_fr_iimmed   0xffff,0xffff,fr7               ; multiply by -1
        set_fr_iimmed   0xfffe,0xffff,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  1,acc0

        set_fr_iimmed   0x7fff,0x0000,fr7       ; almost max positive result
        set_fr_iimmed   0x7fff,0x8001,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  0x3fff0001,acc0

        set_fr_iimmed   0x8000,0x0000,fr7       ; max positive result
        set_fr_iimmed   0x8000,0x8000,fr8
        mcpxrs          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  0x40000000,acc0

        pass