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-rw-r--r--isa/rv64ui/sllw.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/isa/rv64ui/sllw.S b/isa/rv64ui/sllw.S
index 59770ee..62b4db6 100644
--- a/isa/rv64ui/sllw.S
+++ b/isa/rv64ui/sllw.S
@@ -43,6 +43,13 @@ RVTEST_CODE_BEGIN
TEST_RR_OP( 20, sllw, 0x0000000048484000, 0x0000000021212121, 0xffffffffffffffee );
TEST_RR_OP( 21, sllw, 0xffffffff80000000, 0x0000000021212121, 0xffffffffffffffff );
+ # Verify that shifts ignore top 32 (using true 64-bit values)
+
+ TEST_RR_OP( 44, sllw, 0x0000000012345678, 0xffffffff12345678, 0 );
+ TEST_RR_OP( 45, sllw, 0x0000000023456780, 0xffffffff12345678, 4 );
+ TEST_RR_OP( 46, sllw, 0xffffffff92345678, 0x0000000092345678, 0 );
+ TEST_RR_OP( 47, sllw, 0xffffffff93456780, 0x0000000099345678, 4 );
+
#-------------------------------------------------------------
# Source/Destination tests
#-------------------------------------------------------------