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-rw-r--r--test/armv8/a64.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/armv8/a64.rs b/test/armv8/a64.rs
index feb878a..c251d4a 100644
--- a/test/armv8/a64.rs
+++ b/test/armv8/a64.rs
@@ -314,6 +314,29 @@ fn test_decode_data_processing_one_source() {
}
#[test]
+fn test_decode_data_processing_three_source() {
+ const TESTS: &[([u8; 4], &'static str)] = &[
+ ([0x11, 0x01, 0x0f, 0x1b], "madd w17, w8, w15, w0"),
+ ([0x11, 0x81, 0x0f, 0x1b], "msub w17, w8, w15, w0"),
+ ([0x11, 0x81, 0x0f, 0x9b], "msub x17, x8, x15, x0"),
+ ([0x11, 0x89, 0x0f, 0x9b], "msub x17, x8, x15, x2"),
+
+ ([0x11, 0x09, 0x2f, 0x9b], "smaddl x17, w8, w15, x2"),
+ ([0x11, 0x89, 0x2f, 0x9b], "smsubl x17, w8, w15, x2"),
+ ([0x11, 0x09, 0x4f, 0x9b], "smulh x17, w8, w15, x2"),
+ ([0x11, 0x09, 0xaf, 0x9b], "umaddl x17, w8, w15, x2"),
+ ([0x11, 0x89, 0xaf, 0x9b], "umsubl x17, w8, w15, x2"),
+ ([0x11, 0x09, 0xcf, 0x9b], "umulh x17, x8, x15"),
+ ];
+
+ for (bytes, instr) in TESTS {
+ test_display(*bytes, instr);
+ }
+
+ test_err([0x11, 0x81, 0x0f, 0x3b], DecodeError::InvalidOpcode);
+}
+
+#[test]
fn test_decode_chrome_entrypoint() {
// 1400 instructions from the entrypoint of a chrome binary, sorted by
// instruction word for no good reason.