Implements sub: passing tests

2025-11-09 18:33:12 +01:00
parent 441f665d34
commit 03e315903e
3 changed files with 42 additions and 4 deletions
--- a/bench/tests/op/sub.s
+++ b/bench/tests/op/sub.s
@@ -0,0 +1,22 @@
+# expected: 00000000, 00000001, FFFFFFFF, 00000008
+    .text
+_start:
+    # Sub equal numbers
+    addi x1, x0, (-1)
+    addi x2, x0, (-1)
+    sub x31, x1, x2
+
+    # Positive result sub
+    addi x1, x0, 13
+    addi x2, x0, 12
+    sub x31, x1, x2
+
+    # Negative result sub
+    addi x1, x0, 12
+    addi x2, x0, 13
+    sub x31, x1, x2
+
+    # Negative result sub
+    addi x1, x0, 4
+    addi x2, x0, (-4)
+    sub x31, x1, x2