From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 15 Nov 2018 08:31:16 +0000 (+0000)
Subject: use CSRRWI for CLR SV CSRs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1d33b31d424056d16ba258af11a9920868935b7b;p=riscv-tests.git

use CSRRWI for CLR SV CSRs
---

diff --git a/isa/macros/simplev/sv_test_macros.h b/isa/macros/simplev/sv_test_macros.h
index e5ab753..07c4e3d 100644
--- a/isa/macros/simplev/sv_test_macros.h
+++ b/isa/macros/simplev/sv_test_macros.h
@@ -56,7 +56,7 @@
         csrrw  x0, 0x4c8, x1
 
 // clears the 2 CSRs set above
-#define CLR_SV_CSRS( ) csrrw   x0, 0x4c0, 0; csrrw   x0, 0x4c0, 0; csrrw   x0, 0x4c0, 0;
+#define CLR_SV_CSRS( ) csrrwi   x0, 0x4c0, 0xf;
 #define CLR_SV_PRED_CSRS( ) csrrw   x0, 0x4c8, 0
 
 // set maximum vector length.