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# See LICENSE for license details.
#*****************************************************************************
# lhu.S
#-----------------------------------------------------------------------------
#
# Test lhu instruction.
#
#include "riscv_test.h"
#include "test_macros.h"
RVTEST_RV32U
RVTEST_CODE_BEGIN
#-------------------------------------------------------------
# Basic tests
#-------------------------------------------------------------
TEST_LD_OP( 2, lhu, 0x000000ff, 0, tdat );
TEST_LD_OP( 3, lhu, 0x0000ff00, 2, tdat );
TEST_LD_OP( 4, lhu, 0x00000ff0, 4, tdat );
TEST_LD_OP( 5, lhu, 0x0000f00f, 6, tdat );
# Test with negative offset
TEST_LD_OP( 6, lhu, 0x000000ff, -6, tdat4 );
TEST_LD_OP( 7, lhu, 0x0000ff00, -4, tdat4 );
TEST_LD_OP( 8, lhu, 0x00000ff0, -2, tdat4 );
TEST_LD_OP( 9, lhu, 0x0000f00f, 0, tdat4 );
# Test with a negative base
TEST_CASE( 10, x3, 0x000000ff, \
la x1, tdat; \
addi x1, x1, -32; \
lhu x3, 32(x1); \
)
# Test with unaligned base
TEST_CASE( 11, x3, 0x0000ff00, \
la x1, tdat; \
addi x1, x1, -5; \
lhu x3, 7(x1); \
)
#-------------------------------------------------------------
# Bypassing tests
#-------------------------------------------------------------
TEST_LD_DEST_BYPASS( 12, 0, lhu, 0x00000ff0, 2, tdat2 );
TEST_LD_DEST_BYPASS( 13, 1, lhu, 0x0000f00f, 2, tdat3 );
TEST_LD_DEST_BYPASS( 14, 2, lhu, 0x0000ff00, 2, tdat1 );
TEST_LD_SRC1_BYPASS( 15, 0, lhu, 0x00000ff0, 2, tdat2 );
TEST_LD_SRC1_BYPASS( 16, 1, lhu, 0x0000f00f, 2, tdat3 );
TEST_LD_SRC1_BYPASS( 17, 2, lhu, 0x0000ff00, 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
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