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use CSRRWI for CLR SV CSRs
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Thu, 15 Nov 2018 08:31:16 +0000 (08:31 +0000)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Thu, 15 Nov 2018 08:31:16 +0000 (08:31 +0000)
isa/macros/simplev/sv_test_macros.h patch | blob | history

diff --git a/isa/macros/simplev/sv_test_macros.h b/isa/macros/simplev/sv_test_macros.h
index e5ab75305d39901a7e10295438a203131c132eb3..07c4e3dea00a8186688219f6b92bb5da7d7d4870 100644 (file)
--- 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.