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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
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