1 files changed, 70 insertions, 0 deletions
diff --git a/isa/rv32ui/mulw.S b/isa/rv32ui/mulw.S
new file mode 100644
index 0000000..fdd0690
--- /dev/null
+++ b/isa/rv32ui/mulw.S
@@ -0,0 +1,70 @@
+#*****************************************************************************
+# mulw.S
+#-----------------------------------------------------------------------------
+#
+# Test mulw instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP( 2,  mulw, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mulw, 0x00000001, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mulw, 0x00000015, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mulw, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mulw, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mulw, 0x00000000, 0x80000000, 0xffff8000 );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mulw, 143, 13, 11 );
+  TEST_RR_SRC2_EQ_DEST( 9, mulw, 154, 14, 11 );
+  TEST_RR_SRC12_EQ_DEST( 10, mulw, 169, 13 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mulw, 143, 13, 11 );
+  TEST_RR_DEST_BYPASS( 12, 1, mulw, 154, 14, 11 );
+  TEST_RR_DEST_BYPASS( 13, 2, mulw, 165, 15, 11 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mulw, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mulw, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mulw, 165, 15, 11 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mulw, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mulw, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mulw, 165, 15, 11 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mulw, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mulw, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mulw, 165, 15, 11 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mulw, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mulw, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mulw, 165, 15, 11 );
+
+  TEST_RR_ZEROSRC1( 26, mulw, 0, 31 );
+  TEST_RR_ZEROSRC2( 27, mulw, 0, 32 );
+  TEST_RR_ZEROSRC12( 28, mulw, 0 );
+  TEST_RR_ZERODEST( 29, mulw, 33, 34 );
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END