mirror of https://github.com/YosysHQ/picorv32.git
93 lines
2.1 KiB
ArmAsm
93 lines
2.1 KiB
ArmAsm
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# See LICENSE for license details.
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#*****************************************************************************
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# lhu.S
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#-----------------------------------------------------------------------------
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#
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# Test lhu instruction.
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#
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#include "riscv_test.h"
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#include "test_macros.h"
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RVTEST_RV32U
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RVTEST_CODE_BEGIN
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#-------------------------------------------------------------
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# Basic tests
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#-------------------------------------------------------------
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TEST_LD_OP( 2, lhu, 0x000000ff, 0, tdat );
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TEST_LD_OP( 3, lhu, 0x0000ff00, 2, tdat );
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TEST_LD_OP( 4, lhu, 0x00000ff0, 4, tdat );
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TEST_LD_OP( 5, lhu, 0x0000f00f, 6, tdat );
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# Test with negative offset
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TEST_LD_OP( 6, lhu, 0x000000ff, -6, tdat4 );
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TEST_LD_OP( 7, lhu, 0x0000ff00, -4, tdat4 );
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TEST_LD_OP( 8, lhu, 0x00000ff0, -2, tdat4 );
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TEST_LD_OP( 9, lhu, 0x0000f00f, 0, tdat4 );
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# Test with a negative base
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TEST_CASE( 10, x3, 0x000000ff, \
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la x1, tdat; \
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addi x1, x1, -32; \
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lhu x3, 32(x1); \
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)
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# Test with unaligned base
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TEST_CASE( 11, x3, 0x0000ff00, \
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la x1, tdat; \
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addi x1, x1, -5; \
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lhu x3, 7(x1); \
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)
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#-------------------------------------------------------------
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# Bypassing tests
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#-------------------------------------------------------------
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TEST_LD_DEST_BYPASS( 12, 0, lhu, 0x00000ff0, 2, tdat2 );
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TEST_LD_DEST_BYPASS( 13, 1, lhu, 0x0000f00f, 2, tdat3 );
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TEST_LD_DEST_BYPASS( 14, 2, lhu, 0x0000ff00, 2, tdat1 );
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TEST_LD_SRC1_BYPASS( 15, 0, lhu, 0x00000ff0, 2, tdat2 );
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TEST_LD_SRC1_BYPASS( 16, 1, lhu, 0x0000f00f, 2, tdat3 );
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TEST_LD_SRC1_BYPASS( 17, 2, lhu, 0x0000ff00, 2, tdat1 );
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#-------------------------------------------------------------
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# Test write-after-write hazard
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#-------------------------------------------------------------
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TEST_CASE( 18, x2, 2, \
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la x3, tdat; \
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lhu x2, 0(x3); \
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li x2, 2; \
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)
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TEST_CASE( 19, x2, 2, \
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la x3, tdat; \
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lhu x2, 0(x3); \
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nop; \
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li x2, 2; \
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)
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TEST_PASSFAIL
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RVTEST_CODE_END
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.data
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RVTEST_DATA_BEGIN
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TEST_DATA
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tdat:
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tdat1: .half 0x00ff
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tdat2: .half 0xff00
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tdat3: .half 0x0ff0
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tdat4: .half 0xf00f
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RVTEST_DATA_END
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