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mballance |
# See LICENSE for license details.
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#*****************************************************************************
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# srlw.S
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#-----------------------------------------------------------------------------
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#
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# Test srlw 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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# Arithmetic tests
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#-------------------------------------------------------------
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TEST_RR_OP( 2, srlw, 0xffffffff80000000, 0xffffffff80000000, 0 );
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TEST_RR_OP( 3, srlw, 0x0000000040000000, 0xffffffff80000000, 1 );
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TEST_RR_OP( 4, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_OP( 5, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_OP( 6, srlw, 0x0000000000000001, 0xffffffff80000001, 31 );
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TEST_RR_OP( 7, srlw, 0xffffffffffffffff, 0xffffffffffffffff, 0 );
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TEST_RR_OP( 8, srlw, 0x000000007fffffff, 0xffffffffffffffff, 1 );
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TEST_RR_OP( 9, srlw, 0x0000000001ffffff, 0xffffffffffffffff, 7 );
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TEST_RR_OP( 10, srlw, 0x000000000003ffff, 0xffffffffffffffff, 14 );
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TEST_RR_OP( 11, srlw, 0x0000000000000001, 0xffffffffffffffff, 31 );
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TEST_RR_OP( 12, srlw, 0x0000000021212121, 0x0000000021212121, 0 );
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TEST_RR_OP( 13, srlw, 0x0000000010909090, 0x0000000021212121, 1 );
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TEST_RR_OP( 14, srlw, 0x0000000000424242, 0x0000000021212121, 7 );
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TEST_RR_OP( 15, srlw, 0x0000000000008484, 0x0000000021212121, 14 );
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TEST_RR_OP( 16, srlw, 0x0000000000000000, 0x0000000021212121, 31 );
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# Verify that shifts only use bottom five bits
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TEST_RR_OP( 17, srlw, 0x0000000021212121, 0x0000000021212121, 0xffffffffffffffe0 );
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TEST_RR_OP( 18, srlw, 0x0000000010909090, 0x0000000021212121, 0xffffffffffffffe1 );
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TEST_RR_OP( 19, srlw, 0x0000000000424242, 0x0000000021212121, 0xffffffffffffffe7 );
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TEST_RR_OP( 20, srlw, 0x0000000000008484, 0x0000000021212121, 0xffffffffffffffee );
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TEST_RR_OP( 21, srlw, 0x0000000000000000, 0x0000000021212121, 0xffffffffffffffff );
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# Verify that shifts ignore top 32 (using true 64-bit values)
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TEST_RR_OP( 44, srlw, 0x0000000012345678, 0xffffffff12345678, 0 );
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TEST_RR_OP( 45, srlw, 0x0000000001234567, 0xffffffff12345678, 4 );
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TEST_RR_OP( 46, srlw, 0xffffffff92345678, 0x0000000092345678, 0 );
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TEST_RR_OP( 47, srlw, 0x0000000009234567, 0x0000000092345678, 4 );
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#-------------------------------------------------------------
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# Source/Destination tests
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#-------------------------------------------------------------
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TEST_RR_SRC1_EQ_DEST( 22, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_SRC2_EQ_DEST( 23, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_SRC12_EQ_DEST( 24, srlw, 0, 7 );
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#-------------------------------------------------------------
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# Bypassing tests
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#-------------------------------------------------------------
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TEST_RR_DEST_BYPASS( 25, 0, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_DEST_BYPASS( 26, 1, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_DEST_BYPASS( 27, 2, srlw, 0x0000000000000001, 0xffffffff80000000, 31 );
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TEST_RR_SRC12_BYPASS( 28, 0, 0, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_SRC12_BYPASS( 29, 0, 1, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_SRC12_BYPASS( 30, 0, 2, srlw, 0x0000000000000001, 0xffffffff80000000, 31 );
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TEST_RR_SRC12_BYPASS( 31, 1, 0, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_SRC12_BYPASS( 32, 1, 1, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_SRC12_BYPASS( 33, 2, 0, srlw, 0x0000000000000001, 0xffffffff80000000, 31 );
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TEST_RR_SRC21_BYPASS( 34, 0, 0, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_SRC21_BYPASS( 35, 0, 1, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_SRC21_BYPASS( 36, 0, 2, srlw, 0x0000000000000001, 0xffffffff80000000, 31 );
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TEST_RR_SRC21_BYPASS( 37, 1, 0, srlw, 0x0000000001000000, 0xffffffff80000000, 7 );
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TEST_RR_SRC21_BYPASS( 38, 1, 1, srlw, 0x0000000000020000, 0xffffffff80000000, 14 );
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TEST_RR_SRC21_BYPASS( 39, 2, 0, srlw, 0x0000000000000001, 0xffffffff80000000, 31 );
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TEST_RR_ZEROSRC1( 40, srlw, 0, 15 );
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TEST_RR_ZEROSRC2( 41, srlw, 32, 32 );
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TEST_RR_ZEROSRC12( 42, srlw, 0 );
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TEST_RR_ZERODEST( 43, srlw, 1024, 2048 );
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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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RVTEST_DATA_END
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