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authorMax Filippov <jcmvbkbc@gmail.com>2012-04-10 02:48:19 +0400
committerBlue Swirl <blauwirbel@gmail.com>2012-04-14 15:25:39 +0000
commitec9fe93efe3a1211caa182771725833bbca733e0 (patch)
treef3de0c263a50d15c189366a603031fec309ec3e4 /tests/tcg
parent3d0be8a5c135dadcfbd68ed354007a8cece98849 (diff)
target-xtensa: add tests for LBEG/LEND invalidation
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tests/tcg')
-rw-r--r--tests/tcg/xtensa/test_loop.S50
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_loop.S b/tests/tcg/xtensa/test_loop.S
index a5ea933913..5cead47a27 100644
--- a/tests/tcg/xtensa/test_loop.S
+++ b/tests/tcg/xtensa/test_loop.S
@@ -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