From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 30 Oct 2018 06:23:27 +0000 (+0000)
Subject: add comment string
X-Git-Url: https://git.libre-soc.org/?p=riscv-tests.git;a=commitdiff_plain;h=03f51ad496365ebc1fa869d5c080431961080a70

add comment string
---

diff --git a/isa/rv64ui/sv_addw_elwidth.S b/isa/rv64ui/sv_addw_elwidth.S
index 2a6c408..f616794 100644
--- a/isa/rv64ui/sv_addw_elwidth.S
+++ b/isa/rv64ui/sv_addw_elwidth.S
@@ -62,6 +62,9 @@ RVTEST_CODE_BEGIN   # Start of test code.
                 0xa5a5006bffabff8b,  0xa5a5a5a5a5a5a5a5,  0xa5a5a5a5a5a5a5a5 )
         SV_ELWIDTH_TEST(  3, 1, 1, 1, 1, 1, 1,
                 0xa5a5a5a5a56bab8b,  0xa5a5a5a5a5a5a5a5,  0xa5a5a5a5a5a5a5a5 )
+
+        # these test a scalar destination, for sign-extension on different
+        # widths of source/dest.
         SV_ELWIDTH_TEST(  3, 0, 0, 0, 1, 1, 0,
                 0xffffffff8b6bab8b,  0xa5a5a5a5a5a5a5a5,  0xa5a5a5a5a5a5a5a5 )
         SV_ELWIDTH_TEST(  3, 3, 3, 3, 1, 1, 0,