Adds addiw instruction, all tests passing

2025-11-10 22:07:15 +01:00
parent 9daa296892
commit 297562766c
5 changed files with 113 additions and 15 deletions
--- a/bench/tests/op/addiw.s
+++ b/bench/tests/op/addiw.s
@@ -0,0 +1,14 @@
+# expected: 0000000000000000, FFFFFFFFFFFFFFFF, 0000000000000010
+    .text
+_start:
+    # This test CANNOT use li as it uses addiw under the hood
+
+    # 0 addition
+    addiw x31, x0, 0
+
+    # all bits addition + sign extension to 32 bits then 64 bits
+    addiw x31, x0, (-1)
+
+    # simple addition
+    addi x1, x0, 8
+    addiw x31, x1, 8