1 files changed, 74 insertions, 0 deletions
diff --git a/isa/rv32ui/mulhu.S b/isa/rv32ui/mulhu.S
new file mode 100644
index 0000000..288029b
--- /dev/null
+++ b/isa/rv32ui/mulhu.S
@@ -0,0 +1,74 @@
+#*****************************************************************************
+# mulhu.S
+#-----------------------------------------------------------------------------
+#
+# Test mulhu instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP( 2,  mulhu, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mulhu, 0x00000000, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mulhu, 0x00000000, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mulhu, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mulhu, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mulhu, 0x7fffc000, 0x80000000, 0xffff8000 );
+
+  TEST_RR_OP(30,  mulhu, 0x0001fefe, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mulhu, 0x0001fefe, 0x0002fe7d, 0xaaaaaaab );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC2_EQ_DEST( 9, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_EQ_DEST( 10, mulhu, 43264, 13<<20 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 12, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_DEST_BYPASS( 13, 2, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mulhu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mulhu, 42240, 15<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mulhu, 36608, 13<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mulhu, 39424, 14<<20, 11<<20 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mulhu, 42240, 15<<20, 11<<20 );
+
+  TEST_RR_ZEROSRC1( 26, mulhu, 0, 31<<26 );
+  TEST_RR_ZEROSRC2( 27, mulhu, 0, 32<<26 );
+  TEST_RR_ZEROSRC12( 28, mulhu, 0 );
+  TEST_RR_ZERODEST( 29, mulhu, 33<<20, 34<<20 );
+
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END