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Agner |
/************************** tests_bool_bit.as *******************************
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* Author: Agner Fog
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* date created: 2021-06-27
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* last modified: 2021-07-20
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* Version: 1.11
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* Project: ForwardCom Test suite, assembly code
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* Description: Test boolean and bit manipulation instructions with general
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* purpose registers
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*
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* This test program will test boolean and bit manipulation instructions and
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* output a list of which instructions are working for int8, int16, int32,
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* and int64 operands.
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*
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* Copyright 2021 GNU General Public License v. 3 http://www.gnu.org/licenses
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******************************************************************************/
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// Library functions in libc_light.li
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extern _puts: function reguse=3,0 // write string + linefeed to stdout
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extern _printf: function reguse=0xF,0 // write formatted string to stdout
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const section read ip // read-only data section
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// Text strings:
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text1: int8 "\nForwardCom test suite\nTest general purpose register bit manipulation instructions" // intro text,
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int8 "\nPress Run to continue"
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int8 "\n int8 int16 int32 int64", 0 // and heading
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newline: int8 "\n", 0 // newline
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press_run: int8 "\nPress Run to continue", 0
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format1: int8 "\n%-22s%3c%7c%7c%7c", 0 // format string for printing results
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// text strings for each instruction:
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text_and: int8 "and", 0
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text_or: int8 "or", 0
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text_xor: int8 "xor", 0
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text_shift_left: int8 "shift left", 0
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text_shift_right_signed: int8 "shift right signed", 0
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text_shift_right_unsigned: int8 "shift right unsigned", 0
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text_funnel_shift: int8 "funnel shift", 0
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text_rotate: int8 "rotate", 0
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text_clear_bit: int8 "clear_bit", 0
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text_set_bit: int8 "set_bit", 0
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text_toggle_bit: int8 "toggle_bit", 0
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text_test_bit: int8 "test_bit", 0
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text_test_bits_and: int8 "test_bits_and", 0
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text_test_bits_or: int8 "test_bits_or", 0
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text_compare: int8 "compare", 0
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text_bitscan: int8 "bitscan", 0
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text_roundp2: int8 "roundp2", 0
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text_popcount: int8 "popcount", 0
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text_truthtab3: int8 "truth_tab3", 0
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text_move_high: int8 "move high", 0
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text_insert_high: int8 "insert high", 0
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text_move_bits: int8 "move_bits", 0
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const end
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code section execute // code section
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__entry_point function public
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_main function public
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/* register use:
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r0: bits indicating success for int8, int16, int32, int64
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r1: operand
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r2: operand
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r3: result
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r4: scratch
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r6: int64 supported
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*/
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// print intro text and heading
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int64 r0 = address [text1] // calculate address of string
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call _puts // call puts. parameter is in r0
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breakpoint // debug breakpoint
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int r1 = 1
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int capab2 = write_capabilities(r1, 0) // disable error trap for unknown instructions
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// arbitrary test data
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% A = 0x12345555
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% B = 0x5678CEFC
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% C = 0xABCDF0F0
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// Test and
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int32 r1 = A
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int32 r2 = B
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int8 r3 = r1 & r2 // int8 and
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int32 r0 = r3 == (A & B & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 & r2 // int16 and
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int32 r4 = r3 == (A & B & 0xFFFF) // check result
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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int32 r3 = r1 & r2 // int32 and
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int32 r4 = r3 == (A & B) // check result
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r1 <<= 32
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int64 r2 <<= 32
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int64 r1 |= 0x12345
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int64 r2 |= C
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int64 r3 = r1 & r2 // 64 bit and
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int32 r4 = r3 == (0x12345 & C) // check lower half of result
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uint64 r3 >>= 32 // shift down upper half
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int64 r6 = r3 == (A & B) && r4 // check upper half of result
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int32 r0 |= 8, mask = r6 // set bit 2 if success
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int64 r1 = address [text_and]
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call print_result
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// Test or
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int32 r1 = A
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int32 r2 = B
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int8 r3 = r1 | r2 // int8 or
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int32 r0 = r3 == ((A | B) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 | r2 // int16 or
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int32 r4 = r3 == ((A | B) & 0xFFFF) // check result
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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int32 r3 = r1 | r2 // int32 or
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int32 r4 = r3 == (A | B) // check result
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r1 <<= 32
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int64 r2 <<= 32
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int64 r1 |= 0x12345
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int64 r2 |= C
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int64 r3 = r1 | r2 // 64 bit or
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int32 r4 = r3 == (0x12345 | C) // check lower half of result
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uint64 r3 >>= 32 // shift down upper half
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int64 r6 = r3 == (A | B) && r4 // check upper half of result
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int32 r0 |= 8, mask = r6 // set bit 2 if success
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int64 r1 = address [text_or]
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call print_result
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// Test xor
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int32 r1 = A
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int32 r2 = B
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int8 r3 = r1 ^ r2 // int8 xor
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int32 r0 = r3 == ((A ^ B) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 ^ r2 // int16 xor
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int32 r4 = r3 == ((A ^ B) & 0xFFFF) // check result
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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int32 r3 = r1 ^ r2 // int32 xor
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int32 r4 = r3 == (A ^ B) // check result
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r1 <<= 32
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int64 r2 <<= 32
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int64 r1 |= 0x12345
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int64 r2 |= C
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int64 r3 = r1 ^ r2 // 64 bit xor
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int32 r4 = r3 == (0x12345 ^ C) // check lower half of result
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uint64 r3 >>= 32 // shift down upper half
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int64 r6 = r3 == (A ^ B) && r4 // check upper half of result
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int32 r0 |= 8, mask = r6 // set bit 2 if success
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int64 r1 = address [text_xor]
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call print_result
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// Test shift left
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int32 r1 = A
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int8 r3 = r1 << 3 // int8 shift
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int32 r0 = r3 == (A << 3 & 0xFF) // check result, set bit 0 if success
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int8 r3 = r1 << 0 // int8 shift
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int r0 = r3 == (A & 0xFF) && r0
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int16 r3 = r1 << 12 // int16 shift
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int32 r4 = r3 == (A << 12 & 0xFFFF) // check result, set bit 0 if success
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int16 r3 = r1 << -1 // int16 shift overflow
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int r4 = (r3 == 0) && r4
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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int r2 = 18
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int32 r3 = r1 << r2 // int32 shift
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int32 r4 = r3 == (A << 18 & 0xFFFFFFFF) // check result, set bit 0 if success
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int32 r3 = r1 << 1 // int32 shift
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int32 r4 = (r3 == (A << 1 & 0xFFFFFFFF)) && r4
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r3 = r1 << 36 // int64 shift
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int64 r4 = A << 36
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int64 r4 = r3 == r4
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uint64 r3 >>= 36
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int32 r4 = r3 == (A & 0x0FFFFFFF) && r4
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int32 r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [text_shift_left]
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call print_result
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// Test shift right signed
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shiftrightsigned:
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int32 r1 = A
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%A1 = 0xA3
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int8 r3 = r1 >> 3 // int8 shift
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int32 r0 = r3 == (A & 0xFF) >> 3 // check result, set bit 0 if success
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int8 r3 = r1 >> 0 // int8 shift
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int r0 = r3 == (A & 0xFF) && r0
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int r2 = A1 // negative number
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int8 r3 = r2 >> 3 // int8 shift
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int32 r0 = r3 == (A1 >> 3 | 0xE0) && r0 // check result, set bit 0 if success
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%A2 = 0xBC62
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int16 r3 = r1 >> 9 // int16 shift
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int32 r4 = r3 == (A & 0xFFFF) >> 9 // check result, set bit 0 if success
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int16 r3 = r1 >> 70 // int16 shift overflow
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int r4 = (r3 == 0) && r4
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int r2 = A2
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int16 r3 = r2 >> 3
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int32 r4 = r3 == (A2 >> 3 | 0xE000) && r4 // check result, set bit 0 if success
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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%A3 = 0x81ABCD25
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int32 r1 = A3
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int r2 = 18
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int32 r3 = r1 >> r2 // int32 shift
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uint32 r4 = r3 == (A3 >> 18 & 0xFFFFFFFF | 0xFFFFC000) // check result, set bit 0 if success
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int32 r3 = r1 >> 33 // overflow of signed shift
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int32 r4 = (r3 == -1) && r4
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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%A4 = 0x81ABCD2512345678
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int64 r1 = A4
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int64 r3 = r1 >> 35 // int64 shift
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int64 r4 = A4 >> 35
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int64 r4 = r3 == r4
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int32 r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [text_shift_right_signed]
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call print_result
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// Test shift right unsigned
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int32 r1 = A
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%A1 = 0xA3
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uint8 r3 = r1 >> 3 // int8 shift
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int32 r0 = r3 == (A & 0xFF) >> 3 // check result, set bit 0 if success
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uint8 r3 = r1 >> 0 // int8 shift
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int r0 = r3 == (A & 0xFF) && r0
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int r2 = A1 // negative number
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uint8 r3 = r2 >> 3 // int8 shift
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int32 r0 = r3 == A1 >> 3 && r0 // check result, set bit 0 if success
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%A2 = 0xBC62
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uint16 r3 = r1 >> 9 // int16 shift
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int32 r4 = r3 == (A & 0xFFFF) >> 9 // check result, set bit 0 if success
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uint16 r3 = r1 >> 70 // int16 shift overflow
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int r4 = (r3 == 0) && r4
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int r2 = A2
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uint16 r3 = r2 >> 3
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int32 r4 = r3 == A2 >> 3 && r4 // check result, set bit 0 if success
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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%A3 = 0x81ABCD25
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int32 r1 = A3
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int r2 = 18
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uint32 r3 = r1 >> r2 // int32 shift
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uint32 r4 = r3 == (A3 >> 18 & 0xFFFFFFFF) // check result, set bit 0 if success
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uint32 r3 = r1 >> 33 // overflow of unsigned shift
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int32 r4 = (r3 == 0) && r4
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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%A4 = 0x81ABCD2512345678
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int64 r1 = A4
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uint64 r3 = r1 >> 35 // int64 shift
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int64 r4 = A4 >>> 35
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int64 r4 = r3 == r4
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int32 r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [text_shift_right_unsigned]
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call print_result
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// Test funnel shift
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int r1 = A
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int r2 = B
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int8 r3 = funnel_shift(r1, r2, 5) // int8 shift
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int r0 = r3 == ((A & 0xFF) >> 5 | (B << 3 & 0xFF)) // check result, set bit 0 if success
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int8 r3 = funnel_shift(r1, r2, 0) // int8 shift
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int r0 = r3 == (A & 0xFF) && r0
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int8 r3 = funnel_shift(r1, r2, 8) // int8 shift
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int r0 = r3 == 0 && r0
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int16 r3 = funnel_shift(r1, r2, 10) // int16 shift
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int r4 = r3 == ((A & 0xFFFF) >> 10 | (B << 6 & 0xFFFF)) // check result, set bit 0 if success
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int32 r0 |= 2, mask = r4 // set bit 1 if success
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int32 r3 = funnel_shift(r1, r2, 21) // int32 shift
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int64 r4 = r3 == ((A & 0xFFFFFFFF) >> 21 | (B << 11 & 0xFFFFFFFF)) // check result, set bit 0 if success
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r3 = funnel_shift(r1, r2, 50) // int64 shift
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int64 r4 = r3 == (A >> 50 | B << 14) // check result, set bit 0 if success
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int32 r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [text_funnel_shift]
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call print_result
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// Test rotate
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int r1 = B
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int8 r3 = rotate(r1, 2) // int8 rotate
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336 |
|
|
int r0 = r3 == ((B << 2 & 0xFF) | (B & 0xFF) >> 6)
|
337 |
|
|
int8 r3 = rotate(r1, 0) // int8 rotate
|
338 |
|
|
int r0 = r3 == (B & 0xFF) && r0
|
339 |
|
|
int r2 = 0x1234
|
340 |
|
|
int8 r3 = rotate(r1, r2) // int8 rotate
|
341 |
|
|
int r0 = r3 == ((B << 4 & 0xFF) | (B & 0xFF) >> 4) && r0
|
342 |
|
|
|
343 |
|
|
int16 r3 = rotate(r1, 0xabcd) // int16 rotate
|
344 |
|
|
int r4 = r3 == ((B << 13 & 0xFFFF) | (B & 0xFFFF) >> 3)
|
345 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
346 |
|
|
|
347 |
|
|
int32 r3 = rotate(r1, -21) // int32 rotate
|
348 |
|
|
int64 r4 = r3 == ((B << 11 & 0xFFFFFFFF) | (B & 0xFFFFFFFF) >> 21)
|
349 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
350 |
|
|
|
351 |
|
|
int64 r3 = rotate(r1, 34) // int64 rotate
|
352 |
|
|
int64 r4 = r3 == ((B << 34) | (B >> 30))
|
353 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
354 |
|
|
|
355 |
|
|
int64 r1 = address [text_rotate]
|
356 |
|
|
call print_result
|
357 |
|
|
|
358 |
|
|
|
359 |
|
|
// Test clear bit
|
360 |
|
|
int64 r1 = -1
|
361 |
|
|
int8 r3 = clear_bit(r1, 2) // int8 clear_bit
|
362 |
|
|
int r0 = r3 == 0xFB
|
363 |
|
|
|
364 |
|
|
int16 r3 = clear_bit(r1, 8) // int16 clear_bit
|
365 |
|
|
int r4 = r3 == 0xFEFF
|
366 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
367 |
|
|
|
368 |
|
|
int32 r3 = r1 & ~ (1 << 30)
|
369 |
|
|
int32 r3 = clear_bit(r3, 31) // int32 clear_bit
|
370 |
|
|
int32 r4 = r3 == 0x3FFFFFFF
|
371 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
372 |
|
|
|
373 |
|
|
int64 r3 = clear_bit(r1, 41) // int64 clear_bit
|
374 |
|
|
int64 r3 = clear_bit(r3, 41) // int64 clear_bit
|
375 |
|
|
uint64 r3 >>= 32
|
376 |
|
|
int32 r4 = r3 == 0xFFFFFDFF
|
377 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
378 |
|
|
|
379 |
|
|
int64 r1 = address [text_clear_bit]
|
380 |
|
|
call print_result
|
381 |
|
|
|
382 |
|
|
|
383 |
|
|
// Test set bit
|
384 |
|
|
int64 r1 = 0
|
385 |
|
|
int8 r3 = set_bit(r1, 2) // int8 set_bit
|
386 |
|
|
int r0 = r3 == 4
|
387 |
|
|
|
388 |
|
|
int16 r3 = set_bit(r1, 8) // int16 set_bit
|
389 |
|
|
int r4 = r3 == 0x100
|
390 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
391 |
|
|
|
392 |
|
|
int32 r3 = set_bit(r1, 31) // int32 set_bit
|
393 |
|
|
int32 r3 = set_bit(r3, 31) // int32 set_bit
|
394 |
|
|
int32 r4 = r3 == 0x80000000
|
395 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
396 |
|
|
|
397 |
|
|
int64 r3 = set_bit(r1, 41) // int64 set_bit
|
398 |
|
|
uint64 r3 >>= 32
|
399 |
|
|
int32 r4 = r3 == 0x200
|
400 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
401 |
|
|
|
402 |
|
|
int64 r1 = address [text_set_bit]
|
403 |
|
|
call print_result
|
404 |
|
|
|
405 |
|
|
|
406 |
|
|
// Test toggle bit
|
407 |
|
|
int64 r1 = 0
|
408 |
|
|
int8 r3 = toggle_bit(r1, 2) // int8 toggle_bit
|
409 |
|
|
int r0 = r3 == 4
|
410 |
|
|
|
411 |
|
|
int16 r3 = toggle_bit(r1, 8) // int16 toggle_bit
|
412 |
|
|
int r4 = r3 == 0x100
|
413 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
414 |
|
|
|
415 |
|
|
int32 r3 = toggle_bit(r1, 31) // int32 toggle_bit
|
416 |
|
|
int32 r3 = toggle_bit(r3, 31) // int32 toggle_bit
|
417 |
|
|
int32 r4 = r3 == 0
|
418 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
419 |
|
|
|
420 |
|
|
int64 r3 = toggle_bit(r1, 41) // int64 toggle_bit
|
421 |
|
|
uint64 r3 >>= 32
|
422 |
|
|
int32 r4 = r3 == 0x200
|
423 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
424 |
|
|
|
425 |
|
|
int64 r1 = address [text_toggle_bit]
|
426 |
|
|
call print_result
|
427 |
|
|
|
428 |
|
|
|
429 |
|
|
int64 r0 = address [press_run] // press run to continue
|
430 |
|
|
call _printf // print string
|
431 |
|
|
|
432 |
|
|
breakpoint
|
433 |
|
|
|
434 |
|
|
|
435 |
|
|
// Test test_bit
|
436 |
|
|
Test_test_bit:
|
437 |
|
|
int32 r1 = 0x12345678
|
438 |
|
|
int8 r3 = test_bit(r1, 4) // int8 test_bit
|
439 |
|
|
int r0 = r3 == 1
|
440 |
|
|
int8 r2 = test_bit(r1, 2)
|
441 |
|
|
int r0 = r2 == 0 && r0
|
442 |
|
|
|
443 |
|
|
int16 r3 = test_bit(r1, 9) // int16 test_bit
|
444 |
|
|
int r4 = r3 == 1
|
445 |
|
|
int16 r3 = test_bit(r1, 9), fallback = r2, options = 1
|
446 |
|
|
int r4 = r3 == 0 && r4
|
447 |
|
|
int16 r3 = test_bit(r1, 9), fallback = r2, options = 9
|
448 |
|
|
int r4 = r3 == 1 && r4
|
449 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
450 |
|
|
|
451 |
|
|
int32 r3 = test_bit(r1, 17) // int32 test_bit
|
452 |
|
|
int r4 = r3 == 0
|
453 |
|
|
int32 r2 = 0xF0
|
454 |
|
|
int32 r3 = test_bit(r1, 18), mask = r2, options = 0x20
|
455 |
|
|
int r4 = r3 == r2 && r4
|
456 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
457 |
|
|
|
458 |
|
|
int64 r1 <<= 32
|
459 |
|
|
int64 r3 = test_bit(r1, 38) // int64 test_bit
|
460 |
|
|
int r4 = r3 == 1
|
461 |
|
|
int32 r2 = 0x71
|
462 |
|
|
int32 r3 = test_bit(r1, 75), mask = r2, fallback = r2, options = 0x20
|
463 |
|
|
int r4 = r3 == 0x70 && r4
|
464 |
|
|
int32 r3 = test_bit(r1, 75), mask = r2, fallback = r2, options = 0x24
|
465 |
|
|
int r4 = r3 == 0x71 && r4
|
466 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
467 |
|
|
|
468 |
|
|
int64 r1 = address [text_test_bit]
|
469 |
|
|
call print_result
|
470 |
|
|
|
471 |
|
|
|
472 |
|
|
// Test test_bits_and
|
473 |
|
|
Test_test_bits_and:
|
474 |
|
|
int32 r1 = 0x12345678
|
475 |
|
|
int8 r3 = test_bits_and(r1, 0x58) // int8 test_bits_and
|
476 |
|
|
int r0 = r3 == 1
|
477 |
|
|
|
478 |
|
|
int16 r2 = test_bits_and(r1, 0x688) // int16 test_bits_and
|
479 |
|
|
int r4 = r2 == 0
|
480 |
|
|
int16 r3 = test_bits_and(r1, 0x688), fallback = r4, options = 2
|
481 |
|
|
int r4 = r3 == 1 && r4
|
482 |
|
|
int16 r3 = test_bits_and(r1, 0x688), fallback = r4, options = 7
|
483 |
|
|
int r4 = r3 == 0 && r4
|
484 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
485 |
|
|
|
486 |
|
|
int32 r3 = test_bits_and(r1, 0x12340678) // int32 test_bits_and
|
487 |
|
|
int r4 = r3 == 1
|
488 |
|
|
int32 r3 = test_bits_and(r1, 0x12346678)
|
489 |
|
|
int r4 = r3 == 0 && r4
|
490 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
491 |
|
|
|
492 |
|
|
int64 r1 <<= 32
|
493 |
|
|
int64 r3 = test_bits_and(r1, 0x67 << 36) // int64 test_bits_and
|
494 |
|
|
int r4 = r3 == 1
|
495 |
|
|
int64 r3 = test_bits_and(r1, 0x6F << 36)
|
496 |
|
|
int r4 = r3 == 0 && r4
|
497 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
498 |
|
|
|
499 |
|
|
int64 r1 = address [text_test_bits_and]
|
500 |
|
|
call print_result
|
501 |
|
|
|
502 |
|
|
|
503 |
|
|
// Test test_bits_or
|
504 |
|
|
Test_test_bits_or:
|
505 |
|
|
int32 r1 = 0x12345678
|
506 |
|
|
int8 r3 = test_bits_or(r1, 0xF0) // int8 test_bits_or
|
507 |
|
|
int r0 = r3 == 1
|
508 |
|
|
|
509 |
|
|
int16 r2 = test_bits_or(r1, 0x982) // int16 test_bits_or
|
510 |
|
|
int r4 = r2 == 0
|
511 |
|
|
|
512 |
|
|
int16 r3 = test_bits_or(r1, 0x982), fallback = r4, options = 3
|
513 |
|
|
int r4 = r3 == 1 && r4
|
514 |
|
|
int16 r3 = test_bits_or(r1, 0x688), fallback = r4, options = 3
|
515 |
|
|
int r4 = r3 == 0 && r4
|
516 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
517 |
|
|
|
518 |
|
|
int32 r3 = test_bits_or(r1, 0x10000000) // int32 test_bits_or
|
519 |
|
|
int r4 = r3 == 1
|
520 |
|
|
int32 r3 = test_bits_or(r1, 0)
|
521 |
|
|
int r4 = r3 == 0 && r4
|
522 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
523 |
|
|
|
524 |
|
|
int64 r1 <<= 32
|
525 |
|
|
int64 r3 = test_bits_or(r1, 0xF << 36) // int64 test_bits_or
|
526 |
|
|
int r4 = r3 == 1
|
527 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
528 |
|
|
|
529 |
|
|
int64 r1 = address [text_test_bits_or]
|
530 |
|
|
call print_result
|
531 |
|
|
|
532 |
|
|
|
533 |
|
|
// test compare with mask and fallback
|
534 |
|
|
test_compare:
|
535 |
|
|
int32 r1 = 5
|
536 |
|
|
int32 r2 = 0x56
|
537 |
|
|
int8 r3 = compare(r1, r2), options=0, mask = r1// int8 compare
|
538 |
|
|
int r0 = r3 == 4
|
539 |
|
|
|
540 |
|
|
int16 r3 = compare(r1, r2), options=2, mask = r1, fallback = r1 // int16 compare
|
541 |
|
|
int r4 = r3 == r1
|
542 |
|
|
int16 r3 = compare(r1, r2), options=0x12, mask = r2, fallback = r1
|
543 |
|
|
int r4 = r3 == r2 && r4
|
544 |
|
|
int16 r3 = compare(r1, r2), options=0x20, mask = r1, fallback = r1
|
545 |
|
|
int r4 = r3 == r1 && r4
|
546 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
547 |
|
|
|
548 |
|
|
int32 r3 = compare(r1, r2), options=0x31, fallback = r1 // int32 compare
|
549 |
|
|
int r4 = r3 == 0
|
550 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
551 |
|
|
|
552 |
|
|
int64 r3 = compare(r1, r2), options=0x21, fallback = r1 // int64 compare
|
553 |
|
|
int r4 = r3 == 1
|
554 |
|
|
int64 r2 = r1 | 1 << 60
|
555 |
|
|
int64 r3 = r1 == r2
|
556 |
|
|
int r4 = r3 == 0 && r4
|
557 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
558 |
|
|
|
559 |
|
|
int64 r1 = address [text_compare]
|
560 |
|
|
call print_result
|
561 |
|
|
|
562 |
|
|
|
563 |
|
|
// test bitscan
|
564 |
|
|
int r1 = 0x23412345
|
565 |
|
|
int8 r3 = bitscan(r1, 0) // int8 bitscan
|
566 |
|
|
int r0 = r3 == 0
|
567 |
|
|
int8 r3 = bitscan(r1, 1)
|
568 |
|
|
int r0 = r3 == 6 && r0
|
569 |
|
|
|
570 |
|
|
int r2 = 0
|
571 |
|
|
int16 r3 = bitscan(r1, 1) // int16 bitscan
|
572 |
|
|
int r4 = r3 == 13
|
573 |
|
|
int16 r3 = bitscan(r2, 1) // zero input
|
574 |
|
|
int r4 = r3 == 0 && r4
|
575 |
|
|
int16 r3 = bitscan(r2, 0x11)
|
576 |
|
|
int r4 = r3 == 0xFFFF && r4
|
577 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
578 |
|
|
|
579 |
|
|
int32 r3 = bitscan(r1, 1) // int32 bitscan
|
580 |
|
|
int r4 = r3 == 29
|
581 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
582 |
|
|
|
583 |
|
|
int64 r1 <<= 10
|
584 |
|
|
int64 r3 = bitscan(r1, 1) // int64 bitscan
|
585 |
|
|
int r4 = r3 == 29 + 10
|
586 |
|
|
int64 r3 = bitscan(r2, 0x10) // zero input
|
587 |
|
|
int64 r4 = r3 == -1 && r4
|
588 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
589 |
|
|
|
590 |
|
|
int64 r1 = address [text_bitscan]
|
591 |
|
|
call print_result
|
592 |
|
|
|
593 |
|
|
|
594 |
|
|
// test roundp2
|
595 |
|
|
int r1 = 0x23412345
|
596 |
|
|
int8 r3 = roundp2(r1, 0) // int8 roundp2
|
597 |
|
|
int r0 = r3 == 0x40
|
598 |
|
|
int8 r3 = roundp2(r1, 1)
|
599 |
|
|
int r0 = r3 == 0x80
|
600 |
|
|
|
601 |
|
|
int16 r3 = roundp2(r1, 0) // int16 roundp2
|
602 |
|
|
int r4 = r3 == 0x2000
|
603 |
|
|
int r2 = 0
|
604 |
|
|
int16 r3 = roundp2(r2, 0) // zero input
|
605 |
|
|
int r4 = r3 == 0 && r4
|
606 |
|
|
int16 r3 = roundp2(r2, 0x10) // zero input
|
607 |
|
|
int r4 = r3 == 0xFFFF && r4
|
608 |
|
|
int r2 = 0x8001
|
609 |
|
|
int16 r3 = roundp2(r2, 0)
|
610 |
|
|
int r4 = r3 == 0x8000 && r4
|
611 |
|
|
int16 r3 = roundp2(r2, 1) // overflow
|
612 |
|
|
int r4 = r3 == 0 && r4
|
613 |
|
|
int16 r3 = roundp2(r2, 0x21)
|
614 |
|
|
int r4 = r3 == 0xFFFF && r4
|
615 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
616 |
|
|
|
617 |
|
|
int32 r3 = roundp2(r1, 0) // int32 roundp2
|
618 |
|
|
int32 r4 = r3 == 0x20000000
|
619 |
|
|
int32 r3 = roundp2(r1, 1)
|
620 |
|
|
int32 r4 = r3 == 0x40000000 && r4
|
621 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
622 |
|
|
|
623 |
|
|
int64 r1 |= 1 << 40
|
624 |
|
|
int64 r3 = roundp2(r1, 0) // int64 roundp2
|
625 |
|
|
int64 r4 = r3 == 1 << 40
|
626 |
|
|
int64 r3 = roundp2(r1, 1)
|
627 |
|
|
int64 r4 = r3 == 1 << 41
|
628 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
629 |
|
|
|
630 |
|
|
int64 r1 = address [text_roundp2]
|
631 |
|
|
call print_result
|
632 |
|
|
|
633 |
|
|
|
634 |
|
|
// Test popcount
|
635 |
|
|
int r1 = 0x23412345
|
636 |
|
|
int8 r3 = popcount(r1) // int8 popcount
|
637 |
|
|
int r0 = r3 == 3
|
638 |
|
|
|
639 |
|
|
int16 r3 = popcount(r1) // int16 popcount
|
640 |
|
|
int r4 = r3 == 6
|
641 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
642 |
|
|
|
643 |
|
|
int64 r1 |= 1 << 40
|
644 |
|
|
int32 r3 = popcount(r1) // int32 popcount
|
645 |
|
|
int r4 = r3 == 11
|
646 |
|
|
int r0 |= 4, mask = r4 // set bit 2 if success
|
647 |
|
|
|
648 |
|
|
int64 r3 = popcount(r1) // int64 popcount
|
649 |
|
|
int r4 = r3 == 12
|
650 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
651 |
|
|
|
652 |
|
|
int64 r1 = address [text_popcount]
|
653 |
|
|
call print_result
|
654 |
|
|
|
655 |
|
|
|
656 |
|
|
// Test truth_tab3
|
657 |
|
|
int32 r1 = 0xAAAAAAAA
|
658 |
|
|
int32 r2 = 0xCCCCCCCC
|
659 |
|
|
int32 r3 = 0xF0F0F0F0
|
660 |
|
|
int8 r4 = truth_tab3(r1, r2, r3, 0xF2) // A & ~ B | C
|
661 |
|
|
int r0 = r4 == 0xF2
|
662 |
|
|
|
663 |
|
|
int16 r4 = truth_tab3(r1, r2, r3, 0xD8) // A ? B : C
|
664 |
|
|
int r5 = r4 == 0xD8D8
|
665 |
|
|
int r6 = 0x12345
|
666 |
|
|
int16 r4 = truth_tab3(r1, r2, r3, 0xD8), options = 1, mask = r6
|
667 |
|
|
int r5 = r4 == 0 && r5
|
668 |
|
|
int16 r4 = truth_tab3(r1, r2, r3, 0xD8), options = 2, mask = r6
|
669 |
|
|
int r5 = r4 == 0x2344 && r5
|
670 |
|
|
int r0 |= 2, mask = r5 // set bit 1 if success
|
671 |
|
|
|
672 |
|
|
int32 r4 = truth_tab3(r1, r2, r3, 0x72) // A ? ~B : C
|
673 |
|
|
int32 r5 = r4 == 0x72727272
|
674 |
|
|
int r0 |= 4, mask = r5 // set bit 2 if success
|
675 |
|
|
|
676 |
|
|
int64 r3 |= 1 << 63
|
677 |
|
|
int64 r4 = truth_tab3(r1, r2, r3, 0xFE) // A | B | C
|
678 |
|
|
int64 r5 = r4 == 0x80000000FEFEFEFE
|
679 |
|
|
int64 r5 = test_bit(r4, 63), options = 1, fallback = r5
|
680 |
|
|
int r0 |= 8, mask = r5 // set bit 3 if success
|
681 |
|
|
|
682 |
|
|
|
683 |
|
|
int64 r1 = address [text_truthtab3]
|
684 |
|
|
call print_result
|
685 |
|
|
|
686 |
|
|
|
687 |
|
|
// Test move_bits
|
688 |
|
|
int32 r1 = 0
|
689 |
|
|
int32 r2 = 0x12345678
|
690 |
|
|
int8 r3 = move_bits(r1, r2, 2, 4, 3) // int8 move_bits
|
691 |
|
|
int r0 = r3 == 0x60
|
692 |
|
|
|
693 |
|
|
int16 r3 = move_bits(r1, r2, 8, 0, 6) // int16 move_bits
|
694 |
|
|
int r4 = r3 == 0x16
|
695 |
|
|
int r0 |= 2, mask = r4 // set bit 1 if success
|
696 |
|
|
|
697 |
|
|
int32 r3 = move_bits(r1, r2, 0, 20, 12) // int32 move_bits
|
698 |
|
|
int32 r3 = move_bits(r3, r2, 16, 0, 8)
|
699 |
|
|
int r4 = r3 == 0x67800034
|
700 |
|
|
int r0 |= 4, mask = r4 // set bit 1 if success
|
701 |
|
|
|
702 |
|
|
int64 r3 = move_bits(r1, r2, 20, 48, 8) // int64 move_bits
|
703 |
|
|
int64 r4 = r3 == 0x23000000000000
|
704 |
|
|
int64 r3 = move_bits(r1, r3, 48, 0, 8)
|
705 |
|
|
int64 r4 = r3 == 0x23 && r4
|
706 |
|
|
int r0 |= 8, mask = r4 // set bit 3 if success
|
707 |
|
|
|
708 |
|
|
int64 r1 = address [text_move_bits]
|
709 |
|
|
call print_result
|
710 |
|
|
|
711 |
|
|
|
712 |
|
|
// Test move high
|
713 |
|
|
int64 r1 = 0xabcd1234 << 32
|
714 |
|
|
int32 r4 = r1 == 0
|
715 |
|
|
uint64 r1 >>= 32
|
716 |
|
|
int32 r4 = r1 == 0xabcd1234 && r0
|
717 |
|
|
int r0 = 0x70
|
718 |
|
|
int r0 |= 8, mask = r4
|
719 |
|
|
int64 r1 = address [text_move_high]
|
720 |
|
|
call print_result
|
721 |
|
|
|
722 |
|
|
|
723 |
|
|
// Test insert high
|
724 |
|
|
int64 r1 = 0x12345678
|
725 |
|
|
int64 r1 = insert_hi(r1, 0xabcdef98)
|
726 |
|
|
int64 r4 = r1 == 0xabcdef9812345678
|
727 |
|
|
int64 r1 >>= 32
|
728 |
|
|
int32 r4 = (r1 == 0xabcdef98) && r4
|
729 |
|
|
int r0 = 0x70
|
730 |
|
|
int r0 |= 8, mask = r4
|
731 |
|
|
int64 r1 = address [text_insert_high]
|
732 |
|
|
call print_result
|
733 |
|
|
|
734 |
|
|
|
735 |
|
|
int64 r0 = address [newline]
|
736 |
|
|
call _puts
|
737 |
|
|
|
738 |
|
|
breakpoint
|
739 |
|
|
|
740 |
|
|
int r0 = 0 // program return value
|
741 |
|
|
return // return from main
|
742 |
|
|
|
743 |
|
|
_main end
|
744 |
|
|
|
745 |
|
|
|
746 |
|
|
print_result function
|
747 |
|
|
// Print the result of a single test. Parameters:
|
748 |
|
|
// r0: 4 bits indicating success for for int8, int16, int32, int64. 4 additional bits for printing space (instruction not supported)
|
749 |
|
|
// r1: pointer to text string
|
750 |
|
|
|
751 |
|
|
// set up parameter list for printf
|
752 |
|
|
int64 sp -= 5*8 // allocate space on stack
|
753 |
|
|
int64 [sp] = r1 // text
|
754 |
|
|
int r4 = 'N'
|
755 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
756 |
|
|
int r5 = test_bit(r0, 4)
|
757 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
758 |
|
|
int64 [sp+0x08] = r2 // result for int8
|
759 |
|
|
int r0 >>= 1
|
760 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
761 |
|
|
int r5 = test_bit(r0, 4)
|
762 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
763 |
|
|
int64 [sp+0x10] = r2 // result for int16
|
764 |
|
|
int r0 >>= 1
|
765 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
766 |
|
|
int r5 = test_bit(r0, 4)
|
767 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
768 |
|
|
int64 [sp+0x18] = r2 // result for int32
|
769 |
|
|
int r0 >>= 1
|
770 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
771 |
|
|
int r5 = test_bit(r0, 4)
|
772 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
773 |
|
|
int64 [sp+0x20] = r2 // result for int64
|
774 |
|
|
|
775 |
|
|
int64 r0 = address [format1]
|
776 |
|
|
int64 r1 = sp
|
777 |
|
|
call _printf
|
778 |
|
|
int64 sp += 5*8 // release parameter list
|
779 |
|
|
return
|
780 |
|
|
|
781 |
|
|
print_result end
|
782 |
|
|
|
783 |
|
|
|
784 |
|
|
code end
|