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passes quick test: beq, blt, bltu

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Brendan Haines
2020-11-09 20:01:25 -07:00
parent 06d0e07c61
commit 6e0d9c96a1
3 changed files with 100 additions and 35 deletions
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69
test/test.S
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@ -137,26 +137,49 @@ _start:
# jal
jal x1, test_jalr
# test1:
# # TODO: redo these tests because my nop test messed it up
# # beq
# addi x30, x0, 1 # x30 = 1
# addi x9, x8, 0 # x9 == x8
# bne x0, x0, fail # 0 == 0
# bne x9, x8, fail # x9 == x8
# bne x7, x8, test2 # x7 != x8
# j fail
test1:
# beq
addi x30, x0, 1 # x30 = 1
addi x9, x8, 0 # x9 = 0xffffff00
bne x0, x0, fail # 0 == 0
bne x9, x8, fail # x9 == x8
bne x7, x8, test2 # x7 != x8
j fail
# test2:
# # beq
# addi x30, x0, 2 # x30 = 2
# beq x0, x8, fail # 0 != x8
# beq x7, x8, fail # x7 != x8
# beq x8, x9, test3 # x8 == x9
# j fail
test2:
# beq
addi x30, x0, 2 # x30 = 2
beq x0, x8, fail # 0 != x8
beq x7, x8, fail # x7 != x8
beq x8, x9, test3 # x8 == x9
j fail
# test3:
test3:
#blt
addi x30, x0, 3 # x30 = 3
blt x8, x9, fail # x8 == x9
blt x7, x8, fail # x7 > x8
blt x30, x8, fail # x30 > x8
blt x8, x7, test4 # x8 < x7
j fail
test4:
#bltu
addi x30, x0, 4 # x30 = 4
bltu x8, x9, fail # x8 == x9
bltu x8, x7, fail # x8 < x7
bltu x30, x8, test5 # x30 < x8 unsigned
test5:
addi x30, x0, 5 # x30 = 5
# set registers to known values before loop
addi x2, x0, 1 # x1 = 1
addi x3, x0, 1 # x1 = 1
addi x4, x0, 1 # x1 = 1
addi x5, x0, 1 # x1 = 1
addi x6, x0, 1 # x1 = 1
# counter and infinite loop
addi x31, x0, 1 # x1 = 1
@ -182,7 +205,17 @@ test_jalr:
jalr x0, x1, 0 # return
fail:
jal x0, fail # loop forever
# set some registers to make it blatantly obvious an error occurred
addi x1, x0, 0x7ff # x1 = 0x1111
addi x2, x0, 0x7ff # x1 = 0x1111
addi x3, x0, 0x7ff # x1 = 0x1111
addi x4, x0, 0x7ff # x1 = 0x1111
addi x5, x0, 0x7ff # x1 = 0x1111
addi x6, x0, 0x7ff # x1 = 0x1111
addi x7, x0, 0x7ff # x1 = 0x1111
addi x8, x0, 0x7ff # x1 = 0x1111
addi x9, x0, 0x7ff # x1 = 0x1111
j fail # loop forever
nop
nop
nop