1 files changed, 75 insertions, 0 deletions
diff --git a/isa/rv32uzbb/rev8.S b/isa/rv32uzbb/rev8.S
new file mode 100644
index 0000000..2828f27
--- /dev/null
+++ b/isa/rv32uzbb/rev8.S
@@ -0,0 +1,75 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# rev8.S
+#-----------------------------------------------------------------------------
+#
+# Test rev8 instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+  #-------------------------------------------------------------
+  # Arithmetic tests
+  #-------------------------------------------------------------
+
+  TEST_R_OP( 2,  rev8, 0x00000000, 0x00000000);
+  TEST_R_OP( 3,  rev8, 0x01000000, 0x00000001);
+  TEST_R_OP( 4,  rev8, 0x03000000, 0x00000003);
+
+  TEST_R_OP( 5,  rev8, 0x0080ffff, 0xffff8000 );
+  TEST_R_OP( 6,  rev8, 0x00008000, 0x00800000 );
+  TEST_R_OP( 7,  rev8, 0x0080ffff, 0xffff8000 );
+
+  TEST_R_OP( 8,  rev8, 0xff7f0000, 0x00007fff);
+  TEST_R_OP( 9,  rev8, 0xffffff7f, 0x7fffffff);
+  TEST_R_OP( 10, rev8, 0xffff0700, 0x0007ffff );
+
+  TEST_R_OP( 11, rev8, 0x00000080, 0x80000000);
+  TEST_R_OP( 12, rev8, 0x00501f12, 0x121f5000);
+
+  TEST_R_OP( 13, rev8, 0x00000000, 0x00000000);
+  TEST_R_OP( 14, rev8, 0x0e000000, 0x0000000e);
+  TEST_R_OP( 15, rev8, 0x41134020, 0x20401341);
+
+  #-------------------------------------------------------------
+  # Source/Destination tests
+  #-------------------------------------------------------------
+
+  TEST_R_SRC1_EQ_DEST( 16, rev8, 0x0d000000, 13);
+  TEST_R_SRC1_EQ_DEST( 17, rev8, 0x0b000000, 11);
+
+  #-------------------------------------------------------------
+  # Bypassing tests
+  #-------------------------------------------------------------
+
+  TEST_R_DEST_BYPASS( 18, 0, rev8, 0x0d000000, 13);
+  TEST_R_DEST_BYPASS( 29, 1, rev8, 0x13000000, 19);
+  TEST_R_DEST_BYPASS( 20, 2, rev8, 0x22000000, 34);
+
+  #-------------------------------------------------------------
+  # Other tests
+  #-------------------------------------------------------------
+
+  TEST_R_OP( 21,  rev8, 0x00807f00, 0x007f8000 );
+  TEST_R_OP( 22,  rev8, 0x00808000, 0x00808000 );
+  TEST_R_OP( 23,  rev8, 0x00808001, 0x01808000 );
+
+  TEST_R_OP( 24,  rev8, 0xff7f0000, 0x00007fff);
+  TEST_R_OP( 25,  rev8, 0xffffff7f, 0x7fffffff);
+  TEST_R_OP( 26,  rev8, 0xffff0700, 0x0007ffff);
+
+  TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END