1 files changed, 84 insertions, 0 deletions
diff --git a/tests/mul.S b/tests/mul.S
new file mode 100644
index 0000000..0368629
--- /dev/null
+++ b/tests/mul.S
@@ -0,0 +1,84 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# mul.S
+#-----------------------------------------------------------------------------
+#
+# Test mul instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_RR_OP(32,  mul, 0x00001200, 0x00007e00, 0xb6db6db7 );
+  TEST_RR_OP(33,  mul, 0x00001240, 0x00007fc0, 0xb6db6db7 );
+
+  TEST_RR_OP( 2,  mul, 0x00000000, 0x00000000, 0x00000000 );
+  TEST_RR_OP( 3,  mul, 0x00000001, 0x00000001, 0x00000001 );
+  TEST_RR_OP( 4,  mul, 0x00000015, 0x00000003, 0x00000007 );
+
+  TEST_RR_OP( 5,  mul, 0x00000000, 0x00000000, 0xffff8000 );
+  TEST_RR_OP( 6,  mul, 0x00000000, 0x80000000, 0x00000000 );
+  TEST_RR_OP( 7,  mul, 0x00000000, 0x80000000, 0xffff8000 );
+
+  TEST_RR_OP(30,  mul, 0x0000ff7f, 0xaaaaaaab, 0x0002fe7d );
+  TEST_RR_OP(31,  mul, 0x0000ff7f, 0x0002fe7d, 0xaaaaaaab );
+
+  TEST_RR_OP(34,  mul, 0x00000000, 0xff000000, 0xff000000 );
+
+  TEST_RR_OP(35,  mul, 0x00000001, 0xffffffff, 0xffffffff );
+  TEST_RR_OP(36,  mul, 0xffffffff, 0xffffffff, 0x00000001 );
+  TEST_RR_OP(37,  mul, 0xffffffff, 0x00000001, 0xffffffff );
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_RR_SRC1_EQ_DEST( 8, mul, 143, 13, 11 );
+  TEST_RR_SRC2_EQ_DEST( 9, mul, 154, 14, 11 );
+  TEST_RR_SRC12_EQ_DEST( 10, mul, 169, 13 );
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_RR_DEST_BYPASS( 11, 0, mul, 143, 13, 11 );
+  TEST_RR_DEST_BYPASS( 12, 1, mul, 154, 14, 11 );
+  TEST_RR_DEST_BYPASS( 13, 2, mul, 165, 15, 11 );
+
+  TEST_RR_SRC12_BYPASS( 14, 0, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 15, 0, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 16, 0, 2, mul, 165, 15, 11 );
+  TEST_RR_SRC12_BYPASS( 17, 1, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC12_BYPASS( 18, 1, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC12_BYPASS( 19, 2, 0, mul, 165, 15, 11 );
+
+  TEST_RR_SRC21_BYPASS( 20, 0, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 21, 0, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 22, 0, 2, mul, 165, 15, 11 );
+  TEST_RR_SRC21_BYPASS( 23, 1, 0, mul, 143, 13, 11 );
+  TEST_RR_SRC21_BYPASS( 24, 1, 1, mul, 154, 14, 11 );
+  TEST_RR_SRC21_BYPASS( 25, 2, 0, mul, 165, 15, 11 );
+
+  TEST_RR_ZEROSRC1( 26, mul, 0, 31 );
+  TEST_RR_ZEROSRC2( 27, mul, 0, 32 );
+  TEST_RR_ZEROSRC12( 28, mul, 0 );
+  TEST_RR_ZERODEST( 29, mul, 33, 34 );
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END