From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 11 Jul 2020 11:02:29 +0000 (+0100)
Subject: add random mulhd and mulld tests
X-Git-Tag: div_pipeline~97
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a23189e462181f53c2c73f0812a8ae1e8fa67982;p=soc.git

add random mulhd and mulld tests
---

diff --git a/src/soc/fu/mul/test/test_pipe_caller.py b/src/soc/fu/mul/test/test_pipe_caller.py
index a6bd51ef..fe668674 100644
--- a/src/soc/fu/mul/test/test_pipe_caller.py
+++ b/src/soc/fu/mul/test/test_pipe_caller.py
@@ -159,6 +159,26 @@ class MulTestCase(FHDLTestCase):
             initial_regs[2] = random.randint(0, (1<<64)-1)
             self.run_tst_program(Program(lst), initial_regs)
 
+    def test_rand_mulld(self):
+        insns = ["mulld", "mulld.", "mulldo", "mulldo."]
+        for i in range(40):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1, 2"]
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1<<64)-1)
+            initial_regs[2] = random.randint(0, (1<<64)-1)
+            self.run_tst_program(Program(lst), initial_regs)
+
+    def test_rand_mulhd(self):
+        insns = ["mulhd", "mulhd."]
+        for i in range(40):
+            choice = random.choice(insns)
+            lst = [f"{choice} 3, 1, 2"]
+            initial_regs = [0] * 32
+            initial_regs[1] = random.randint(0, (1<<64)-1)
+            initial_regs[2] = random.randint(0, (1<<64)-1)
+            self.run_tst_program(Program(lst), initial_regs)
+
     def test_ilang(self):
         pspec = MulPipeSpec(id_wid=2)
         alu = MulBasePipe(pspec)