From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 23 Dec 2021 12:40:56 +0000 (+0000)
Subject: add load-store byte-reverse 64-bit unit test
X-Git-Tag: sv_maxu_works-initial~608
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d86fe3062c3df4d7a833bd008025f714b4761d4;p=openpower-isa.git

add load-store byte-reverse 64-bit unit test
(ldbrx/stdbrx)
---

diff --git a/src/openpower/test/ldst/ldst_cases.py b/src/openpower/test/ldst/ldst_cases.py
index afa16e1d..136c53e0 100644
--- a/src/openpower/test/ldst/ldst_cases.py
+++ b/src/openpower/test/ldst/ldst_cases.py
@@ -212,3 +212,17 @@ class LDSTTestCase(TestAccumulatorBase):
         self.add_case(Program(lst, bigendian), initial_regs,
                              initial_mem=initial_mem)
 
+    def case_11_load_store_dword_rev_ext(self):
+        lst = ["stdbrx 1, 4, 2",
+               "ldbrx 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x0010
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+