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1 2 mballance
# See LICENSE for license details.
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#*****************************************************************************
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# ld.S
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#-----------------------------------------------------------------------------
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#
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# Test ld 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_RV64U
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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, ld, 0x00ff00ff00ff00ff, 0,  tdat );
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  TEST_LD_OP( 3, ld, 0xff00ff00ff00ff00, 8,  tdat );
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  TEST_LD_OP( 4, ld, 0x0ff00ff00ff00ff0, 16, tdat );
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  TEST_LD_OP( 5, ld, 0xf00ff00ff00ff00f, 24, tdat );
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  # Test with negative offset
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  TEST_LD_OP( 6, ld, 0x00ff00ff00ff00ff, -24, tdat4 );
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  TEST_LD_OP( 7, ld, 0xff00ff00ff00ff00, -16, tdat4 );
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  TEST_LD_OP( 8, ld, 0x0ff00ff00ff00ff0, -8,  tdat4 );
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  TEST_LD_OP( 9, ld, 0xf00ff00ff00ff00f, 0,   tdat4 );
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  # Test with a negative base
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  TEST_CASE( 10, x5, 0x00ff00ff00ff00ff, \
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    la  x1, tdat; \
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    addi x1, x1, -32; \
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    ld x5, 32(x1); \
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  )
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  # Test with unaligned base
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  TEST_CASE( 11, x5, 0xff00ff00ff00ff00, \
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    la  x1, tdat; \
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    addi x1, x1, -3; \
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    ld x5, 11(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, ld, 0x0ff00ff00ff00ff0, 8, tdat2 );
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  TEST_LD_DEST_BYPASS( 13, 1, ld, 0xf00ff00ff00ff00f, 8, tdat3 );
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  TEST_LD_DEST_BYPASS( 14, 2, ld, 0xff00ff00ff00ff00, 8, tdat1 );
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  TEST_LD_SRC1_BYPASS( 15, 0, ld, 0x0ff00ff00ff00ff0, 8, tdat2 );
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  TEST_LD_SRC1_BYPASS( 16, 1, ld, 0xf00ff00ff00ff00f, 8, tdat3 );
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  TEST_LD_SRC1_BYPASS( 17, 2, ld, 0xff00ff00ff00ff00, 8, 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  x5, tdat; \
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    ld  x2, 0(x5); \
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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  x5, tdat; \
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    ld  x2, 0(x5); \
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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:  .dword 0x00ff00ff00ff00ff
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tdat2:  .dword 0xff00ff00ff00ff00
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tdat3:  .dword 0x0ff00ff00ff00ff0
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tdat4:  .dword 0xf00ff00ff00ff00f
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RVTEST_DATA_END

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