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target-xtensa: add tests for LBEG/LEND invalidation 

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Max Filippov 2012-04-10 02:48:19 +04:00 committed by Blue Swirl
parent 3d0be8a5c1
commit ec9fe93efe
1 changed files with 50 additions and 0 deletions
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50
tests/tcg/xtensa/test_loop.S
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@ -74,4 +74,54 @@ test loop_excm
assert eqi, a2, 1
test_end
test lbeg_invalidation
movi a2, 0
movi a3, 1
movi a4, 1f
movi a5, 3f
wsr a3, lcount
wsr a4, lbeg
wsr a5, lend
isync
j 1f
.align 4
1:
addi a2, a2, 1
j 2f
.align 4
2:
addi a2, a2, 2
movi a3, 2b
wsr a3, lbeg
isync
nop
3:
assert eqi, a2, 5
test_end
test lend_invalidation
movi a2, 0
movi a3, 5
movi a4, 1f
movi a5, 2f
wsr a3, lcount
wsr a4, lbeg
wsr a5, lend
isync
j 1f
.align 4
1:
addi a2, a2, 1
2:
beqi a3, 3, 1f
assert eqi, a2, 6
movi a3, 3
wsr a3, lcount
wsr a4, lend
isync
j 1b
1:
assert eqi, a2, 7
test_end
test_suite_end