From 81ad66f25ce4c15180e558696961bd8eaf967fea Mon Sep 17 00:00:00 2001 From: Yunsup Lee Date: Mon, 22 Apr 2013 14:56:59 -0700 Subject: initial commit --- isa/rv64ui/lhu.S | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 isa/rv64ui/lhu.S (limited to 'isa/rv64ui/lhu.S') diff --git a/isa/rv64ui/lhu.S b/isa/rv64ui/lhu.S new file mode 100644 index 0000000..57661fa --- /dev/null +++ b/isa/rv64ui/lhu.S @@ -0,0 +1,90 @@ +#***************************************************************************** +# lhu.S +#----------------------------------------------------------------------------- +# +# Test lhu instruction. +# + +#include "riscv_test.h" +#include "test_macros.h" + +RVTEST_RV64U +RVTEST_CODE_BEGIN + + #------------------------------------------------------------- + # Basic tests + #------------------------------------------------------------- + + TEST_LD_OP( 2, lhu, 0x00000000000000ff, 0, tdat ); + TEST_LD_OP( 3, lhu, 0x000000000000ff00, 2, tdat ); + TEST_LD_OP( 4, lhu, 0x0000000000000ff0, 4, tdat ); + TEST_LD_OP( 5, lhu, 0x000000000000f00f, 6, tdat ); + + # Test with negative offset + + TEST_LD_OP( 6, lhu, 0x00000000000000ff, -6, tdat4 ); + TEST_LD_OP( 7, lhu, 0x000000000000ff00, -4, tdat4 ); + TEST_LD_OP( 8, lhu, 0x0000000000000ff0, -2, tdat4 ); + TEST_LD_OP( 9, lhu, 0x000000000000f00f, 0, tdat4 ); + + # Test with a negative base + + TEST_CASE( 10, x3, 0x00000000000000ff, \ + la x1, tdat; \ + addi x1, x1, -32; \ + lhu x3, 32(x1); \ + ) + + # Test with unaligned base + + TEST_CASE( 11, x3, 0x000000000000ff00, \ + la x1, tdat; \ + addi x1, x1, -5; \ + lhu x3, 7(x1); \ + ) + + #------------------------------------------------------------- + # Bypassing tests + #------------------------------------------------------------- + + TEST_LD_DEST_BYPASS( 12, 0, lhu, 0x0000000000000ff0, 2, tdat2 ); + TEST_LD_DEST_BYPASS( 13, 1, lhu, 0x000000000000f00f, 2, tdat3 ); + TEST_LD_DEST_BYPASS( 14, 2, lhu, 0x000000000000ff00, 2, tdat1 ); + + TEST_LD_SRC1_BYPASS( 15, 0, lhu, 0x0000000000000ff0, 2, tdat2 ); + TEST_LD_SRC1_BYPASS( 16, 1, lhu, 0x000000000000f00f, 2, tdat3 ); + TEST_LD_SRC1_BYPASS( 17, 2, lhu, 0x000000000000ff00, 2, tdat1 ); + + #------------------------------------------------------------- + # Test write-after-write hazard + #------------------------------------------------------------- + + TEST_CASE( 18, x2, 2, \ + la x3, tdat; \ + lhu x2, 0(x3); \ + li x2, 2; \ + ) + + TEST_CASE( 19, x2, 2, \ + la x3, tdat; \ + lhu x2, 0(x3); \ + nop; \ + li x2, 2; \ + ) + + TEST_PASSFAIL + +RVTEST_CODE_END + + .data +RVTEST_DATA_BEGIN + + TEST_DATA + +tdat: +tdat1: .half 0x00ff +tdat2: .half 0xff00 +tdat3: .half 0x0ff0 +tdat4: .half 0xf00f + +RVTEST_DATA_END -- cgit v1.1