From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 9 Aug 2020 14:01:23 +0000 (+0100)
Subject: add extra divwo regression test
X-Git-Tag: semi_working_ecp5~419
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dd401512a1c1f1e2bf340235544d29db0ab7426a;p=soc.git

add extra divwo regression test
---

diff --git a/src/soc/fu/div/test/test_pipe_caller.py b/src/soc/fu/div/test/test_pipe_caller.py
index 55180261..558e576b 100644
--- a/src/soc/fu/div/test/test_pipe_caller.py
+++ b/src/soc/fu/div/test/test_pipe_caller.py
@@ -101,6 +101,14 @@ class DivTestCases(TestAccumulatorBase):
         with Program(lst, bigendian) as prog:
             self.add_case(prog, initial_regs)
 
+    def case_10_regression(self):  # overflow fails
+        lst = ["divwo 3, 1, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0xbc716835f32ac00c
+        initial_regs[2] = 0xcdf69a7f7042db66
+        with Program(lst, bigendian) as prog:
+            self.add_case(prog, initial_regs)
+
     def case_divw_by_zero_1(self):
         lst = ["divw. 3, 1, 2"]
         initial_regs = [0] * 32