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-rw-r--r--qemu/tests/tcg/xtensa/test_loop.S163
1 files changed, 163 insertions, 0 deletions
diff --git a/qemu/tests/tcg/xtensa/test_loop.S b/qemu/tests/tcg/xtensa/test_loop.S
new file mode 100644
index 000000000..5755578d0
--- /dev/null
+++ b/qemu/tests/tcg/xtensa/test_loop.S
@@ -0,0 +1,163 @@
+#include "macros.inc"
+
+test_suite loop
+
+test loop
+ movi a2, 0
+ movi a3, 5
+ loop a3, 1f
+ addi a2, a2, 1
+1:
+ assert eqi, a2, 5
+test_end
+
+test loop0
+ movi a2, 0
+ loop a2, 1f
+ rsr a2, lcount
+ assert eqi, a2, -1
+ j 1f
+1:
+test_end
+
+test loop_jump
+ movi a2, 0
+ movi a3, 5
+ loop a3, 1f
+ addi a2, a2, 1
+ j 1f
+1:
+ assert eqi, a2, 1
+test_end
+
+test loop_branch
+ movi a2, 0
+ movi a3, 5
+ loop a3, 1f
+ addi a2, a2, 1
+ beqi a2, 3, 1f
+1:
+ assert eqi, a2, 3
+test_end
+
+test loop_manual
+ 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:
+ assert eqi, a2, 6
+test_end
+
+test loop_excm
+ movi a2, 0
+ movi a3, 5
+ rsr a4, ps
+ movi a5, 0x10
+ or a4, a4, a5
+ wsr a4, ps
+ isync
+ loop a3, 1f
+ addi a2, a2, 1
+1:
+ xor a4, a4, a5
+ isync
+ wsr a4, ps
+ 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 loopnez
+ movi a2, 0
+ movi a3, 5
+ loopnez a3, 1f
+ addi a2, a2, 1
+1:
+ assert eqi, a2, 5
+
+ movi a2, 0
+ movi a3, 0
+ loopnez a3, 1f
+ test_fail
+1:
+test_end
+
+test loopgtz
+ movi a2, 0
+ movi a3, 5
+ loopgtz a3, 1f
+ addi a2, a2, 1
+1:
+ assert eqi, a2, 5
+
+ movi a2, 0
+ movi a3, 0
+ loopgtz a3, 1f
+ test_fail
+1:
+
+ movi a2, 0
+ movi a3, 0x80000000
+ loopgtz a3, 1f
+ test_fail
+1:
+test_end
+
+test_suite_end