Tests for mips r5900 instructions
This commit is contained in:
Andrew Cagney
parent
192fcb4e11
commit
ccc034af67
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@ -39,6 +39,7 @@ Things-to-lose:
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common
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tic80-coff
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mips64vr5900el-elf
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Do-last:
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@ -0,0 +1,6 @@
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.text
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.align 2
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.globl _start
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.ent _start
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_start:
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jal _start
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@ -0,0 +1,107 @@
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# NB: In the below, the 64bit values are embeded into the
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# machine code. The address of which being determined
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# by a jal (after a jump to an aligned address).
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.macro load reg hi lo
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j 1f
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nop
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.align 3
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1: jal 2f
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nop
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.quad \hi
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.quad \lo
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2:
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ld \reg, 0($31)
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pcpyld \reg, \reg, $0
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ld \reg, 8($31)
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.endm
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.macro check10 hi lo
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j 1f
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nop
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.align 3
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1: jal 2f
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nop
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.quad \hi
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.quad \lo
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2: pcpyud $11, $10, $0
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ld $5, 0($31)
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beq $11, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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ld $5, 8($31)
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beq $10, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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.endm
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.macro checkHI hi lo
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j 1f
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nop
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.align 3
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1: jal 2f
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nop
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.quad \hi
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.quad \lo
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2: mfhi1 $11
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ld $5, 0($31)
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beq $11, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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mfhi $11
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ld $5, 8($31)
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beq $11, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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.endm
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.macro checkLO hi lo
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j 1f
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nop
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.align 3
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1: jal 2f
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nop
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.quad \hi
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.quad \lo
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2: mflo1 $11
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ld $5, 0($31)
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beq $11, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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mflo $11
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ld $5, 8($31)
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beq $11, $5, 3f
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nop
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li $4, 47
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break 1023
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nop
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3: nop
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.endm
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.macro start
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.globl _start
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.set noreorder
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_start:
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.endm
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.macro exit0
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li $4, 0
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break 1023
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nop
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.endm
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@ -0,0 +1,11 @@
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.include "t-macros.i"
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start
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test_paddb:
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load $8 0x0007210642056304 0x8403a502c601e701
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load $9 0x01f902fa03fb04fc 0x05fd06fe07ff08ff
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paddb $10,$9,$8
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check10 0x0100230045006700 0x8900ab00cd00ef00
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exit0
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.include "t-macros.i"
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start
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test_paddsb:
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load $8 0x0087218642856384 0x8403a502c601e701
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load $9 0x01f902fa03fb04fc 0x057d067e077f087f
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paddsb $10,$9,$8
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check10 0x0180238045806780 0x897fab7fcd7fef7f
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exit0
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.include "t-macros.i"
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start
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test_paddsh:
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load $8 0x0122800745658006 0x89a80005cdeb0004
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load $9 0x0001fff90002fffa 0x00037ffb00047ffc
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paddsh $10,$9,$8
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check10 0x0123800045678000 0x89ab7fffcdef7fff
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exit0
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.include "t-macros.i"
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start
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test_paddsw:
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load $8 0x0123456680000007 0x89abcded00000006
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load $9 0x00000001fffffff9 0x000000027ffffffa
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paddsw $10,$9,$8
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check10 0x0123456780000000 0x89abcdef7fffffff
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exit0
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.include "t-macros.i"
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start
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test_paddub:
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load $8 0x0007210642056304 0x8403a502c601e701
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load $9 0x01f902fa03fb04fc 0x05fd06fe07ff08ff
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paddub $10,$9,$8
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check10 0x01ff23ff45ff67ff 0x89ffabffcdffefff
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exit0
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.include "t-macros.i"
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start
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test_padduh:
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load $8 0x0122000745650006 0x89a80005cdeb0004
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load $9 0x0001fff90002fffa 0x0003fffb0004fffc
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padduh $10,$9,$8
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check10 0x0123ffff4567ffff 0x89abffffcdefffff
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exit0
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.include "t-macros.i"
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start
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test_padduw:
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load $8 0x0123456600000007 0x89abcded00000006
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load $9 0x00000001fffffff9 0x00000002fffffffa
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padduw $10,$9,$8
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check10 0x01234567ffffffff 0x89abcdefffffffff
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exit0
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@ -0,0 +1,10 @@
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.include "t-macros.i"
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start
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test_pcpyh:
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load $7 0x0000000000001111 0x000000000000ffff
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pcpyh $10,$7 #Expectation:
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check10 0x1111111111111111 0xffffffffffffffff
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exit0
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@ -0,0 +1,18 @@
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.include "t-macros.i"
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start
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test_pdivbw:
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load $7 0x7fffffff80000000 0x0000000100000001
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load $8 0x0000000000000000 0x000000000000ffff
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pdivbw $7,$8 #Expectation:
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checkHI 0x0000000000000000 0x0000000000000000
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checkLO 0x8000000180000000 0xffffffffffffffff
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test_pdivbw_0:
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load $7 0x7fffffff80000000 0x0000000100000001
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load $8 0x0000000000000000 0x0000000000000000
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pdivbw $7,$8 #Expectation:
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# don't crash!
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exit0
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.include "t-macros.i"
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start
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test_pdivuw:
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load $7 0x000000007fffffff 0xffffffff80000000
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load $8 0xffffffffffffffff 0xffffffffffffffff
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pdivuw $7,$8 #Expectation:
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checkHI 0x000000007fffffff 0xffffffff80000000
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checkLO 0x0000000000000000 0x0000000000000000
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test_pdivuw_0:
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load $7 0x000000007fffffff 0xffffffff80000000
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load $8 0x0000000000000000 0x0000000000000000
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pdivuw $7,$8 #Expectation:
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# don't crash!
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exit0
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.include "t-macros.i"
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start
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test_pdivw:
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load $7 0x000000007fffffff 0xffffffff80000000
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load $8 0xffffffffffffffff 0xffffffffffffffff
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pdivw $7,$8 #Expectation:
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checkHI 0x0000000000000000 0x0000000000000000
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checkLO 0xffffffff80000001 0xffffffff80000000
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test_pdivw_0:
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load $7 0x000000007fffffff 0xffffffff80000000
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load $8 0x0000000000000000 0x0000000000000000
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pdivw $7,$8 #Expectation:
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# don't crash!
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exit0
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.include "t-macros.i"
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start
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test_pexcw:
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load $8 0x1111111133333333 0x2222222244444444
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pexcw $10,$8 #Expectation:
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check10 0x1111111122222222 0x3333333344444444
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exit0
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.include "t-macros.i"
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start
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test_pexoh:
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load $8 0x1111444433332222 0x5555888877776666
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pexoh $10,$8 #Expectation:
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check10 0x1111222233334444 0x5555666677778888
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exit0
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.include "t-macros.i"
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start
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test_pext5:
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load $8 0x0000D6B50000D6B5 0x0000D6B50000D6B5
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pext5 $10, $8
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check10 0x80a8a8a880a8a8a8 0x80a8a8a880a8a8a8
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exit0
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.include "t-macros.i"
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start
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test_pextlb:
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load $8 0x0000000000000000 0x0807060504030201
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load $9 0x0000000000000000 0x100F0E0D0C0B0A09
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pextlb $10, $8, $9
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check10 0x0810070F060E050D 0x040C030B020A0109
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exit0
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.include "t-macros.i"
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start
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test_pextlh:
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load $8 0x0000000000000000 0x0807060504030201
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load $9 0x0000000000000000 0x100F0E0D0C0B0A09
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pextlh $10, $8, $9
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check10 0x0807100F06050E0D 0x04030C0B02010A09
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exit0
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.include "t-macros.i"
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start
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test_pextlw:
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load $8 0x0000000000000000 0x0807060504030201
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load $9 0x0000000000000000 0x100F0E0D0C0B0A09
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pextlw $10, $8, $9
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check10 0x08070605100F0E0D 0x040302010C0B0A09
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exit0
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.include "t-macros.i"
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start
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test_pextub:
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load $8 0x0807060504030201 0x0000000000000000
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load $9 0x100F0E0D0C0B0A09 0x0000000000000000
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pextub $10, $8, $9
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check10 0x0810070F060E050D 0x040C030B020A0109
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exit0
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.include "t-macros.i"
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start
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test_pextuh:
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load $8 0x0807060504030201 0x0000000000000000
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load $9 0x100F0E0D0C0B0A09 0x0000000000000000
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pextuh $10, $8, $9
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check10 0x0807100F06050E0D 0x04030C0B02010A09
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exit0
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@ -0,0 +1,11 @@
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.include "t-macros.i"
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start
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test_pextuw:
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load $8 0x0807060504030201 0x0000000000000000
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load $9 0x100F0E0D0C0B0A09 0x0000000000000000
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pextuw $10, $8, $9
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check10 0x08070605100F0E0D 0x040302010C0B0A09
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exit0
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.include "t-macros.i"
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start
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test_phmaddh:
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load $7 0x8000800080007fff 0x800080007fff8000
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load $8 0x8000800080007fff 0x80007fff80007fff
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phmaddh $10,$7,$8 #Expectation:
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check10 0x800000007fff0001 0x0000800080010000
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#checkHI xxxxxxxxxx80000000 0xxxxxxxxx00008000
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#checkLO xxxxxxxxxx7fff0001 0xxxxxxxxx80010000
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pmfhl.lw $10
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check10 0x800000007fff0001 0x0000800080010000
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exit0
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.include "t-macros.i"
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start
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test_phmsubh:
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load $7 0x8000800080007fff 0x800080007fff8000
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load $8 0x8000800080007fff 0x80007fff80007fff
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phmsubh $10,$7,$8 #Expectation:
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check10 0x000000000000ffff 0x7fff800000000000
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#checkHI 0xxxxxxxxx00000000 0xxxxxxxxx7fff8000
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#checkLO 0xxxxxxxxx0000ffff 0xxxxxxxxx00000000
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pmfhl.lw $10
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check10 0x000000000000ffff 0x7fff800000000000
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exit0
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.include "t-macros.i"
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start
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test_pinth:
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load $8 0x1111333355557777 0xffffffffffffffff
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load $9 0xffffffffffffffff 0x2222444466668888
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pinth $10,$8,$9 #Expectation:
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check10 0x1111222233334444 0x5555666677778888
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exit0
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.include "t-macros.i"
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start
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test_pintoh:
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load $8 0xffff1111ffff3333 0xffff5555ffff7777
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load $9 0xffff2222ffff4444 0xffff6666ffff8888
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pintoh $10,$8,$9 #Expectation:
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check10 0x1111222233334444 0x5555666677778888
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exit0
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.include "t-macros.i"
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start
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test_pmaddh:
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load $6 0x01237fff45677fff 0x89ab8000cdef8000
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load $7 0x00017fff00017fff 0x00017fff00018000
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load $8 0x0000000000007fff 0x00000000ffff8000
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load $9 0x00000000ffff8000 0x0000000000007fff
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pmthi $8
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pmtlo $9
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nop
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nop
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pmaddh $10,$6,$7 #Expectation:
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check10 0x3fff80003ffe8001 0xc000000040007fff
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checkHI 0x000001233fff8000 0xffff89abc0000000
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checkLO 0x000045673ffe8001 0xffffcdef40007fff
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exit0
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.include "t-macros.i"
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start
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test_pmadduw:
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load $6 0x0123456780000000 0x89abcdef7fffffff
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load $7 0x0123456780000000 0x89abcdef7fffffff
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load $8 0x0123456700000000 0x89abcdefffffffff
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load $9 0x012345677fffffff 0x89abcdef80000000
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pmthi $8
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pmtlo $9
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nop
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nop
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pmadduw $10,$6,$7 #Expectation:
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check10 0x400000007fffffff 0x3ffffffe80000001
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checkHI 0x0000000040000000 0x000000003ffffffe
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checkLO 0x000000007fffffff 0xffffffff80000001
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test_pmadduw2:
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load $6 0x0123456780000000 0x89abcdef7fffffff
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load $7 0x0123456780000000 0x89abcdef7fffffff
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load $8 0x01234567ffffffff 0x89abcdef00000000
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load $9 0x0123456780000000 0x89abcdef7fffffff
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pmthi $8
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pmtlo $9
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nop
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nop
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pmadduw $10,$6,$7 #Expectation:
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check10 0x3fffffff80000000 0x3fffffff80000000
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checkHI 0x000000003fffffff 0x000000003fffffff
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checkLO 0xffffffff80000000 0xffffffff80000000
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exit0
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@ -0,0 +1,33 @@
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.include "t-macros.i"
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start
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test_pmaddw:
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load $6 0x0123456780000000 0X89ABCDEF7FFFFFFF
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load $7 0x0123456780000000 0X89ABCDEF7FFFFFFF
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load $8 0x0123456700000000 0X89ABCDEFFFFFFFFF
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load $9 0X012345677FFFFFFF 0X89ABCDEF80000000
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pmthi $8
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pmtlo $9
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nop
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nop
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pmaddw $10,$6,$7 #Expectation:
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check10 0x400000007fffffff 0x3ffffffe80000001
|
||||
checkHI 0x0000000040000000 0x000000003FFFFFFE
|
||||
checkLO 0x000000007fffffff 0xffffffff80000001
|
||||
|
||||
test_pmaddw2:
|
||||
load $6 0x0123456780000000 0x89abcdef7fffffff
|
||||
load $7 0x0123456780000000 0x89abcdef7fffffff
|
||||
load $8 0x01234567ffffffff 0x89abcdef00000000
|
||||
load $9 0x0123456780000000 0x89abcdef7fffffff
|
||||
pmthi $8
|
||||
pmtlo $9
|
||||
nop
|
||||
nop
|
||||
pmaddw $10,$6,$7 #Expectation:
|
||||
check10 0x3fffffff80000000 0x3fffffff80000000
|
||||
checkHI 0x000000003fffffff 0x000000003fffffff
|
||||
checkLO 0xffffffff80000000 0xffffffff80000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmfhl_lh:
|
||||
load $7 0xffff1111ffff2222 0xffff5555ffff6666
|
||||
load $8 0xffff3333ffff4444 0xffff7777ffff8888
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.lh $10 #Expectation:
|
||||
check10 0x1111222233334444 0x5555666677778888
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmfhl_lw:
|
||||
load $7 0xffffffff11111111 0xffffffff33333333
|
||||
load $8 0xffffffff22222222 0xffffffff44444444
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.lw $10 #Expectation:
|
||||
check10 0x1111111122222222 0x3333333344444444
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmfhl_sh:
|
||||
load $7 0x7fffffffffff0000 0xffffffff00007fff
|
||||
load $8 0x0007ffffffffffff 0xffff00007fffffff
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.sh $10 #Expectation:
|
||||
check10 0x7fff80007fffffff 0xffff7fff80007fff
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmfhl_slw_ok:
|
||||
load $7 0xffffffffffffffff 0xffffffff7fffffff
|
||||
load $8 0xffffffffffffffff 0xffffffffffffffff
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.slw $10 #Expectation:
|
||||
check10 0xffffffffffffffff 0x000000007fffffff
|
||||
|
||||
test_pmfhl_slw:
|
||||
load $7 0xffffffffffffffff 0xffffffff7fffffff
|
||||
load $8 0xffffffff00000000 0xffffffffffffffff
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.slw $10 #Expectation:
|
||||
check10 0xffffffff80000000 0x000000007fffffff
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmfhl_uw:
|
||||
load $7 0x11111111ffffffff 0x33333333ffffffff
|
||||
load $8 0x22222222ffffffff 0x44444444ffffffff
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
pmfhl.uw $10 #Expectation:
|
||||
check10 0x1111111122222222 0x3333333344444444
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmsubh:
|
||||
load $6 0x01237fff45677fff 0x89ab8000cdef8000
|
||||
load $7 0x00017fff00017fff 0x00017fff00018000
|
||||
load $8 0x000001237fffffff 0xffff89ab7fffffff
|
||||
load $9 0x0000456780000000 0xffffcdef80000000
|
||||
pmthi $8
|
||||
pmtlo $9
|
||||
nop
|
||||
nop
|
||||
pmsubh $10,$6,$7 #Expectation:
|
||||
check10 0x4000fffe4000ffff 0xbfff7fff40000000
|
||||
checkHI 0x000000004000fffe 0x00000000bfff7fff
|
||||
checkLO 0x000000004000ffff 0x0000000040000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmthl_lw:
|
||||
load $7 0x11111111ffffffff 0x33333333ffffffff
|
||||
load $8 0x55555555ffffffff 0x77777777ffffffff
|
||||
pmthi $7
|
||||
pmtlo $8
|
||||
nop
|
||||
nop
|
||||
load $7 0x2222222266666666 0x4444444488888888
|
||||
pmthl.lw $7
|
||||
checkHI 0x1111111122222222 0x3333333344444444
|
||||
checkLO 0x5555555566666666 0x7777777788888888
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmulth:
|
||||
load $8 0x1234ffff2b3c8000 0x33947fff37bc7fff
|
||||
load $9 0x0001ffff00028000 0x00037fff00048000
|
||||
pmulth $10,$8,$9 #Expectation:
|
||||
check10 0x0000000140000000 0x3fff0001c0008000
|
||||
checkHI 0x0000123400000001 0x00009abc3fff0001
|
||||
checkLO 0x0000567840000000 0x0000def0c0008000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_multuw:
|
||||
load $8 0xffffffff7fffffff 0x0000000080000000
|
||||
load $9 0x00000000ffffffff 0x00000000ffffffff
|
||||
pmultuw $10,$8,$9
|
||||
check10 0x7ffffffe80000001 0x7fffffff80000000
|
||||
checkHI 0x000000007ffffffe 0x000000007fffffff
|
||||
checkLO 0xffffffff80000001 0xffffffff80000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_multw:
|
||||
load $8 0xffffffff7fffffff 0x0000000080000000
|
||||
load $9 0x10000000ffffffff 0x00000000ffffffff
|
||||
pmultw $10, $8, $9
|
||||
check10 0xffffffff80000001 0x0000000080000000
|
||||
checkHI 0xffffffffffffffff 0x0000000000000000
|
||||
checkLO 0xffffffff80000001 0xffffffff80000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_ppac5:
|
||||
load $8 0x80a8a8a880a8a8a8 0x80a8a8a880a8a8a8
|
||||
ppac5 $10, $8
|
||||
check10 0x0000D6B50000D6B5 0x0000D6B50000D6B5
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_ppacb:
|
||||
load $8 0x0010000F000E000D 0x000C000B000A0009
|
||||
load $9 0x0008000700060005 0x0004000300020001
|
||||
ppacb $10, $8, $9
|
||||
check10 0x100F0E0D0C0B0A09 0x0807060504030201
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_ppach:
|
||||
load $8 0x0010000F000E000D 0x000C000B000A0009
|
||||
load $9 0x0008000700060005 0x0004000300020001
|
||||
ppach $10, $8, $9
|
||||
check10 0x000F000D000B0009 0x0007000500030001
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_ppacw:
|
||||
load $8 0x0010000F000E000D 0x000C000B000A0009
|
||||
load $9 0x0008000700060005 0x0004000300020001
|
||||
ppacw $10, $8, $9
|
||||
check10 0x000E000D000A0009 0x0006000500020001
|
||||
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_prot3w:
|
||||
load $8 0x3333333311111111 0x2222222244444444
|
||||
prot3w $10,$8 #Expectation:
|
||||
check10 0x1111111122222222 0x3333333344444444
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psllvw:
|
||||
load $8 0x00000000ffffffff 0x00000000ffffffff
|
||||
load $9 0x000000000000001f 0x000000000000001f
|
||||
psllvw $10,$8,$9 #Expectation:
|
||||
check10 0xffffffff80000000 0xffffffff80000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psravw:
|
||||
load $8 0x000000007fffffff 0x0000000080000000
|
||||
load $9 0x0000000000000008 0x0000000000000008
|
||||
psravw $10,$8,$9 #Expectation:
|
||||
check10 0x00000000007fffff 0xffffffffff800000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubsb:
|
||||
load $8 0x0200250148026b03 0x8efcb1fdd4fef780
|
||||
load $9 0x0180028003810482 0x057c067d077e087f
|
||||
psubsb $10,$8,$9
|
||||
check10 0x017f237f457f677f 0x8980ab80cd80ef80
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubsh:
|
||||
load $8 0x0124000045690001 0x89aefffecdf3ffff
|
||||
load $9 0x0001800000028000 0x00037ffe00047fff
|
||||
psubsh $10,$8,$9
|
||||
check10 0x01237fff45677fff 0x89ab8000cdef8000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubsw:
|
||||
load $8 0x0123456800000000 0x89abcdf1ffffffff
|
||||
load $9 0x0000000180000000 0x000000027fffffff
|
||||
psubsw $10,$8,$9
|
||||
check10 0x012345677fffffff 0x89abcdef80000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubub:
|
||||
load $8 0x0200250148026b03 0x8e04b105d406f77f
|
||||
load $9 0x0101020203030404 0x0505060607070880
|
||||
psubub $10,$8,$9
|
||||
check10 0x0100230045006700 0x8900ab00cd00ef00
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubuh:
|
||||
load $8 0x0124000045690001 0x89ae0002cdf30003
|
||||
load $9 0x0001000100020002 0x0003000300040004
|
||||
psubuh $10,$8,$9
|
||||
check10 0x0123000045670000 0x89ab0000cdef0000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_psubuw:
|
||||
load $8 0x0123456800000000 0x89abcdf100000001
|
||||
load $9 0x0000000100000001 0x0000000200000002
|
||||
psubuw $10,$8,$9
|
||||
check10 0x0123456700000000 0x89abcdef00000000
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_pmsubw:
|
||||
load $6 0x0123456780000000 0x89abcdef7fffffff
|
||||
load $7 0x0123456780000000 0x89abcdef7fffffff
|
||||
load $8 0x0123456780000000 0x89abcdef7fffffff
|
||||
load $9 0x0123456700000000 0x89abcdefffffffff
|
||||
pmthi $8
|
||||
pmtlo $9
|
||||
nop
|
||||
nop
|
||||
pmsubw $10,$6,$7 #Expectation:
|
||||
check10 0x4000000000000000 0x40000000fffffffe
|
||||
checkHI 0x0000000040000000 0x0000000040000000
|
||||
checkLO 0x0000000000000000 0xfffffffffffffffe
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
.include "t-macros.i"
|
||||
|
||||
start
|
||||
|
||||
test_qfsrv:
|
||||
mtsab $0,4
|
||||
load $8 0x0000000000000000 0x0000000000000000
|
||||
load $9 0xffffffffffffffff 0xffffffffffffffff
|
||||
qfsrv $10,$8,$9 #Expectation:
|
||||
check10 0x00000000ffffffff 0xffffffffffffffff
|
||||
|
||||
exit0
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
# The main body of code loops on the variable FLAG, waiting
|
||||
# for it to be set. When set, the message `Tick' is displayed
|
||||
# and the flag cleared.
|
||||
|
||||
# The interrupt handler, sets the global FLAG variable and
|
||||
# then resumes normal execution.
|
||||
|
||||
.globl _start
|
||||
.ent _start
|
||||
.set noreorder
|
||||
_start:
|
||||
|
||||
# Patch the interrupt handler, setting it to an instruction
|
||||
# sequence that jumps to this programs interrupt code.
|
||||
la $4, handler
|
||||
la $5, +0xffffffffBFC00200 + 0x180
|
||||
lw $6, 0($4) # BR $8
|
||||
sw $6, 0($5)
|
||||
lw $6, 4($4) # NOP
|
||||
sw $6, 4($5)
|
||||
|
||||
# establish two global pointer registers:
|
||||
la $8, flag # r8 contains the address of FLAG
|
||||
la $9, real_handler # r9 contains the address of the
|
||||
# real handler
|
||||
|
||||
# enable interrupt delivery
|
||||
mfc0 $4, $12
|
||||
nop ; nop ; nop
|
||||
or $4, $4, 1
|
||||
or $4, $4, 4 ; xor $4, $4, 4 # clear error level
|
||||
mtc0 $4, $12
|
||||
nop ; nop ; nop
|
||||
|
||||
loop:
|
||||
lw $5, 0($8)
|
||||
beq $5, $0, loop
|
||||
nop
|
||||
|
||||
# FLAG set, print the message Tick by calling
|
||||
# write (1, str, 6)
|
||||
sw $0, 0($8)
|
||||
li $4, 1
|
||||
la $5, str
|
||||
li $6, 6
|
||||
la $2,+0xffffffffbfc00504
|
||||
lw $2, 0($2)
|
||||
jal $2
|
||||
nop
|
||||
j loop
|
||||
nop
|
||||
|
||||
|
||||
# Instruction sequence that jumps to
|
||||
# the real handler (address in r9).
|
||||
handler: j $9
|
||||
nop
|
||||
|
||||
# local interrupt handler, set FLAG and return
|
||||
real_handler:
|
||||
li $10, 1
|
||||
sw $10, 0($8) # flag = 1
|
||||
eret
|
||||
nop
|
||||
|
||||
|
||||
.end _start
|
||||
|
||||
flag:
|
||||
.word 0
|
||||
str: .asciiz "Tick\r\n"
|
||||
Loading…
Reference in New Issue