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-rw-r--r--tests/lm32/test_lbu.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/lm32/test_lbu.S b/tests/lm32/test_lbu.S
new file mode 100644
index 0000000000..4c1786ad71
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+++ b/tests/lm32/test_lbu.S
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+.include "macros.inc"
+
+start
+
+test_name LBU_1
+load r1 data
+lbu r3, (r1+0)
+check_r3 0x7e
+
+test_name LBU_2
+lbu r3, (r1+1)
+check_r3 0x7f
+
+test_name LBU_3
+lbu r3, (r1+-1)
+check_r3 0x7d
+
+test_name LBU_4
+load r1 data_msb
+lbu r3, (r1+0)
+check_r3 0xfe
+
+test_name LBU_5
+lbu r3, (r1+1)
+check_r3 0xff
+
+test_name LBU_6
+lbu r3, (r1+-1)
+check_r3 0xfd
+
+test_name LBU_7
+load r3 data
+lbu r3, (r3+0)
+check_r3 0x7e
+
+end
+
+.data
+ .align 4
+ .byte 0x7a, 0x7b, 0x7c, 0x7d
+data:
+ .byte 0x7e, 0x7f, 0x70, 0x71
+ .byte 0xfa, 0xfb, 0xfc, 0xfd
+data_msb:
+ .byte 0xfe, 0xff, 0xf0, 0xf1