Subversion Repositories openrisc_2011-10-31

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

        .include "testutils.inc"

        start

        .global mmulhu
mmulhu:
        set_fr_iimmed   3,2,fr7         ; multiply small numbers
        set_fr_iimmed   2,3,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  6,acc0
        test_accg_immed         0,accg1
        test_acc_immed  6,acc1

        set_fr_iimmed   1,2,fr7         ; multiply by 1
        set_fr_iimmed   2,1,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  2,acc0
        test_accg_immed         0,accg1
        test_acc_immed  2,acc1

        set_fr_iimmed   0,2,fr7         ; multiply by 0
        set_fr_iimmed   2,0,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  0,acc0
        test_accg_immed         0,accg1
        test_acc_immed  0,acc1

        set_fr_iimmed   0x3fff,2,fr7    ; 15 bit result
        set_fr_iimmed   2,0x3fff,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x0000,0x7ffe,acc0
        test_accg_immed         0,accg1
        test_acc_limmed 0x0000,0x7ffe,acc1

        set_fr_iimmed   0x4000,2,fr7    ; 16 bit result
        set_fr_iimmed   2,0x4000,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x0000,0x8000,acc0
        test_accg_immed         0,accg1
        test_acc_limmed 0x0000,0x8000,acc1

        set_fr_iimmed   0x8000,2,fr7    ; 17 bit result
        set_fr_iimmed   2,0x8000,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  0x00010000,acc0
        test_accg_immed         0,accg1
        test_acc_immed  0x00010000,acc1

        set_fr_iimmed   0x7fff,0x7fff,fr7       ; max positive result
        set_fr_iimmed   0x7fff,0x7fff,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_immed  0x3fff0001,acc0
        test_accg_immed         0,accg1
        test_acc_immed  0x3fff0001,acc1

        set_fr_iimmed   0x8000,0x8000,fr7       ; max positive result
        set_fr_iimmed   0x8000,0x8000,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0x4000,0x0000,acc0
        test_accg_immed         0,accg1
        test_acc_limmed 0x4000,0x0000,acc1

        set_fr_iimmed   0xffff,0xffff,fr7       ; max positive result
        set_fr_iimmed   0xffff,0xffff,fr8
        mmulhu          fr7,fr8,acc0
        test_accg_immed         0,accg0
        test_acc_limmed 0xfffe,0x0001,acc0
        test_accg_immed         0,accg1
        test_acc_limmed 0xfffe,0x0001,acc1

        pass