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-rw-r--r--qemu/tests/tcg/lm32/test_sextb.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/qemu/tests/tcg/lm32/test_sextb.S b/qemu/tests/tcg/lm32/test_sextb.S
new file mode 100644
index 000000000..58db8ee8b
--- /dev/null
+++ b/qemu/tests/tcg/lm32/test_sextb.S
@@ -0,0 +1,20 @@
+.include "macros.inc"
+
+start
+
+test_name SEXTB_1
+mvi r1, 0
+sextb r3, r1
+check_r3 0
+
+test_name SEXTB_2
+mvi r1, 0x7f
+sextb r3, r1
+check_r3 0x0000007f
+
+test_name SEXTB_3
+mvi r1, 0x80
+sextb r3, r1
+check_r3 0xffffff80
+
+end