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Agner |
/************************** tests_branch.as *******************************
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* Author: Agner Fog
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* date created: 2021-07-07
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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 jump, call, and branch instructions with general
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* purpose registers
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*
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* This test program will test jump, call, and branch 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 jump, call, and branch 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%-26s%3c%7c%7c%7c", 0 // format string for printing results
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// text strings for each instruction:
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text_sub_jz: int8 "sub/jump_zero", 0
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text_sub_jneg: int8 "sub/jump_neg", 0
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text_sub_jpos: int8 "sub/jump_pos", 0
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text_sub_joverfl: int8 "sub/jump_overfl", 0
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text_sub_jborrow: int8 "sub/jump_borrow", 0
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text_add_jz: int8 "add/jump_zero", 0
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text_add_jneg: int8 "add/jump_neg", 0
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text_add_jpos: int8 "add/jump_pos", 0
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text_add_joverfl: int8 "add/jump_overfl", 0
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text_add_jcarry: int8 "add/jump_carry", 0
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text_and_jz: int8 "and/jump_zero", 0
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text_or_jz: int8 "or /jump_zero", 0
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text_xor_jz: int8 "xor/jump_zero", 0
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text_test_bit_jtrue: int8 "test_bit/jump_true", 0
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text_test_bits_and_jtrue: int8 "test_bits_and/jump_true", 0
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text_test_bits_or_jtrue: int8 "test_bits_or/jump_true", 0
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text_compare_jequal: int8 "compare/jump_equal", 0
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text_compare_jsbelow: int8 "compare/jump_sbelow", 0
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text_compare_jsabove: int8 "compare/jump_sabove", 0
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text_compare_jubelow: int8 "compare/jump_ubelow", 0
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text_compare_juabove: int8 "compare/jump_uabove", 0
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text_inc_compare_jbelow: int8 "increment_compare/j_below", 0
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text_inc_compare_jabove: int8 "increment_compare/j_above", 0
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text_sub_maxlen_jpos: int8 "sub_maxlen/jump_pos", 0
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text_jump_relative: int8 "jump_relative pointer", 0
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text_call_relative: int8 "call_relative pointer", 0
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text_jump_relative_table: int8 "jump_relative table", 0
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text_call_relative_table: int8 "call_relative table", 0
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text_jump_absolute: int8 "jump absolute pointer", 0
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text_call_absolute: int8 "call absolute pointer", 0
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text_jump_register: int8 "jump to register", 0
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text_call_register: int8 "call to register", 0
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text_jump_32: int8 "jump 32 bit offset", 0
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text_call_32: int8 "call 32 bit offset", 0
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// not supported:
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//text_jump_64: int8 "jump 64 bit absolute", 0
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//text_call_64: int8 "call 64 bit absolute", 0
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// relative jump tables
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jumptab8: int8 (TARGET1-TARGET3)/4, (TARGET2-TARGET3)/4, 0, (TARGET4-TARGET3)/4, (TARGET5-TARGET3)/4, 0
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jumptab16: int16 (TARGET1-TARGET3)/4, (TARGET2-TARGET3)/4, 0, (TARGET4-TARGET3)/4, (TARGET5-TARGET3)/4, 0
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jumptab32: int32 (TARGET1-TARGET3)/4, (TARGET2-TARGET3)/4, 0, (TARGET4-TARGET3)/4, (TARGET5-TARGET3)/4, 0
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jumptab64: int64 (TARGET1-TARGET3)/4, (TARGET2-TARGET3)/4, 0, (TARGET4-TARGET3)/4, (TARGET5-TARGET3)/4, 0
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const end
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code1 section execute // code section
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__entry_point function public // skip startup code
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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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r20: return address when testing jump
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*/
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// print intro text and heading
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int64 r0 = address [text1] // address of string
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//call _puts // print string and linefeed
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call _printf // print string without linefeed
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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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// Test of each instruction:
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// Test sub/jump_zero
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int r1 = 1
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int r0 = 1
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int8 r2 = sub(r1,1), jump_zero A1
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int r0 = 0
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A1:
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int16 r3 = sub(r2,1), jump_zero A2
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int32 r4 = r3 == 0xFFFF
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int r0 |= 2, mask = r4
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jump A3
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A2: int r0 = 0
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A3:
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int32 r3 = sub(r3,0xFFFF), jump_zero A4
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jump A5
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A4: int r0 |= 4
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A5:
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int64 r4 = sub(r0,7), jump_nzero A8
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int64 r1 = r0 | 1 << 60
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int64 r4 = sub(r1,7), jump_zero A8
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int r0 |= 8
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A8:
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int64 r1 = address [text_sub_jz]
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call print_result
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// Test sub/jump_neg
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int r1 = 0x100
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int8 r3 = sub(r1,1), jump_neg A10
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int r0 = 0
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jump A11
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A10: int r0 = 1
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A11:
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int16 r3 = sub(r3,r3), jump_neg A12
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int r0 |= 2
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jump A13
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A12: int r0 = 0
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A13:
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int32 r2 = -8 // sub(r3,-8) would be converted to add(r3,8)
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int32 r3 = sub(r3, r2), jump_nneg A14
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jump A15
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A14: int r4 = r3 == 8
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int r0 |= 4, mask = r4
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A15:
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int64 r2 = 9
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int64 r4 = sub(r3,r2), jump_nneg A16
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int64 r5 = r4 == -1
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int64 r3 |= 1 << 62
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int64 r4 = sub(r3,r2), jump_neg A16
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int r0 |= 8, mask = r5
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A16:
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int64 r1 = address [text_sub_jneg]
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call print_result
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// Test sub/jump_pos
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int r1 = 1
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int r2 = 0x100
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int8 r3 = sub(r2,r1), jump_pos A30
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int r0 = r3 == 0xFF
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jump A31
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A30: int r0 = 0
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A31:
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int16 r3 = sub(r1,r3), jump_pos A32
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int r4 = r3 == 0xFF02
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int r0 |= 2, mask = r4
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jump A33
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A32: int r0 = 0
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A33:
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int32 r3 = sub(r2,r2), jump_npos A34
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int r0 = 0
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jump A35
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A34: int r4 = r3 == 0
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int r0 |= 4, mask = r4
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A35:
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int64 r1 |= 1 << 62
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int64 r3 = sub(r1,r2), jump_npos A36
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int r0 |= 8
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A36:
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int64 r1 = address [text_sub_jpos]
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call print_result
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// Test sub/jump_overflow
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int r1 = 0xA0
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int r2 = 0x21
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int8 r3 = sub(r1,r2), jump_overfl A40
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int r0 = 0
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jump A41
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A40: int r0 = 1
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A41:
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int r1 = 0xA000
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int r2 = 0x2000
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int16 r3 = sub(r1,r2), jump_overfl A42
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int r0 |= 2
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jump A43
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A42: int r0 = 0
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A43:
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int32 r1 = 0x50000000
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int32 r2 = 0xD0000000
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int32 r3 = sub(r1,r2), jump_overfl A44
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int r0 = 0
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jump A45
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A44: int r0 |= 4
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A45:
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int64 r3 = sub(r1,r2), jump_noverfl A46
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jump A47
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A46: int64 r4 = r3 == 0xFFFFFFFF80000000
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int r0 |= 8, mask = r4
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A47:
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int64 r1 = address [text_sub_joverfl]
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call print_result
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// Test sub/jump_borrow
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int r1 = 0x1280
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int r2 = 0x1281
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int8 r3 = sub(r1,r2), jump_borrow A50
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int r0 = 0
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jump A51
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A50: int r0 = 1
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A51:
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int16 r3 = sub(r1,r2), jump_nborrow A52
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int32 r4 = r3 == 0x0000FFFF
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int r0 |= 2, mask = r4
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A52:
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int32 r3 = sub(r1,r2), jump_nborrow A54
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int64 r4 = r3 == 0x0000FFFFFFFF
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int r0 |= 4, mask = r4
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A54:
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int64 r1 |= 1 << 60
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int64 r3 = sub(r2,r1), jump_nborrow A56
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int r0 |= 8
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A56:
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int64 r1 = address [text_sub_jborrow]
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call print_result
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// Test add/jump_zero
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int r1 = 0x1271
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int r2 = 0x128F
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int8 r3 = add(r1,r2), jump_zero B0
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int r0 = 0
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jump B1
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B0: int r0 = 1
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B1:
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int16 r3 = add(r1,r2), jump_zero B2
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int r0 |= 2
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B2:
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int32 r2 = -0x1271
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int32 r3 = add(r1,r2), jump_nzero B4
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int r0 |= 4
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B4:
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int64 r3 = add(r1,r2), jump_zero B6
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int r0 |= 8
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B6:
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int64 r1 = address [text_add_jz]
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call print_result
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// Test add/jump_neg
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int r1 = 0x1261
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int r2 = 0x1220
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int8 r3 = add(r1,r2), jump_neg B10
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int r0 = 0
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jump B11
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B10: int r0 = 1
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B11:
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int16 r3 = add(r1,r2), jump_neg B12
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int r0 |= 2
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B12:
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int32 r2 = -0x1262
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int32 r3 = add(r1,r2), jump_nneg B14
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int r0 |= 4
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B14:
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int64 r3 = add(r1,r2), jump_neg B16
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int r0 |= 8
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B16:
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int64 r1 = address [text_add_jneg]
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call print_result
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// Test add/jump_pos
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int r1 = 0x1261
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int r2 = 0x1220
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int8 r3 = add(r1,r2), jump_npos B20
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int r0 = 0
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jump B21
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B20: int r0 = r3 == 0x81
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B21:
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int32 r2 = -r1
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int16 r3 = add(r1,r2), jump_pos B22
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int32 r4 = r3 == 0
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int r0 |= 2, mask = r4
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B22:
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int32 r3 = add(r2,0), jump_pos B24
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int r0 |= 4
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B24:
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int64 r3 = add(r1,r2), jump_npos B26
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int64 r4 = r3 == 1 << 32
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int r0 |= 8, mask = r4
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B26:
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int64 r1 = address [text_add_jpos]
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call print_result
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// Test add/jump_overfl
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int32 r1 = 0x1261
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int32 r2 = 0x1220
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int8 r3 = add(r1,r2), jump_overfl B30
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int r0 = 0
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jump B31
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B30: int r0 = 1
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B31:
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|
|
int16 r3 = add(r1,r2), jump_overfl B32
|
| 329 |
|
|
int r0 |= 2
|
| 330 |
|
|
B32:
|
| 331 |
|
|
int32 r2 = 0x7FFFF000
|
| 332 |
|
|
int32 r3 = add(r1,r2), jump_noverfl B34
|
| 333 |
|
|
int r0 |= 4
|
| 334 |
|
|
B34:
|
| 335 |
|
|
int64 r3 = add(r1,r2), jump_overfl B36
|
| 336 |
|
|
int r0 |= 8
|
| 337 |
|
|
B36:
|
| 338 |
|
|
int64 r1 = address [text_add_joverfl]
|
| 339 |
|
|
call print_result
|
| 340 |
|
|
|
| 341 |
|
|
|
| 342 |
|
|
// Test add/jump_carry
|
| 343 |
|
|
int32 r1 = 0x1261
|
| 344 |
|
|
int32 r2 = 0x1220
|
| 345 |
|
|
int8 r3 = add(r1,r2), jump_ncarry B40
|
| 346 |
|
|
int r0 = 0
|
| 347 |
|
|
jump B41
|
| 348 |
|
|
B40: int r0 = 1
|
| 349 |
|
|
B41:
|
| 350 |
|
|
int16 r3 = add(r1,r2), jump_carry B42
|
| 351 |
|
|
int r0 |= 2
|
| 352 |
|
|
B42:
|
| 353 |
|
|
int32 r2 = -r1
|
| 354 |
|
|
int32 r3 = add(r1,r2), jump_ncarry B44
|
| 355 |
|
|
int r0 |= 4
|
| 356 |
|
|
B44:
|
| 357 |
|
|
int64 r2 <<= 32
|
| 358 |
|
|
int64 r3 = add(r2,r2), jump_ncarry B46
|
| 359 |
|
|
int r0 |= 8
|
| 360 |
|
|
B46:
|
| 361 |
|
|
int64 r1 = address [text_add_jcarry]
|
| 362 |
|
|
call print_result
|
| 363 |
|
|
|
| 364 |
|
|
|
| 365 |
|
|
// Test and/jump_zero
|
| 366 |
|
|
int32 r1 = 0x0100F055
|
| 367 |
|
|
int32 r2 = 0x10AA
|
| 368 |
|
|
int8 r3 = and(r1,r2), jump_zero C0
|
| 369 |
|
|
int r0 = 0
|
| 370 |
|
|
jump C1
|
| 371 |
|
|
C0: int r0 = 1
|
| 372 |
|
|
C1:
|
| 373 |
|
|
int16 r3 = and(r1,r2), jump_zero C2
|
| 374 |
|
|
int r4 = r3 == 0x1000
|
| 375 |
|
|
int r0 |= 2, mask = r4
|
| 376 |
|
|
C2:
|
| 377 |
|
|
int32 r2 = 0x02220FAA
|
| 378 |
|
|
int32 r3 = and(r1,r2), jump_nzero C4
|
| 379 |
|
|
int r0 |= 4
|
| 380 |
|
|
C4:
|
| 381 |
|
|
int64 r1 |= 1 << 60
|
| 382 |
|
|
int64 r2 |= 1 << 60
|
| 383 |
|
|
int64 r3 = and(r1,r2), jump_zero C6
|
| 384 |
|
|
int64 r4 = r3 == 1 << 60
|
| 385 |
|
|
int r0 |= 8, mask = r4
|
| 386 |
|
|
C6:
|
| 387 |
|
|
int64 r1 = address [text_and_jz]
|
| 388 |
|
|
call print_result
|
| 389 |
|
|
|
| 390 |
|
|
|
| 391 |
|
|
// Test or/jump_zero
|
| 392 |
|
|
int32 r1 = 0xF055
|
| 393 |
|
|
int32 r2 = 0x0FAA
|
| 394 |
|
|
int8 r3 = or(r1,r2), jump_zero C10
|
| 395 |
|
|
int r0 = r3 == 0xFF
|
| 396 |
|
|
jump C11
|
| 397 |
|
|
C10: int r0 = 0
|
| 398 |
|
|
C11:
|
| 399 |
|
|
int r1 = 0
|
| 400 |
|
|
int r2 = 0
|
| 401 |
|
|
int16 r3 = or(r1,r2), jump_nzero C12
|
| 402 |
|
|
int r0 |= 2
|
| 403 |
|
|
C12:
|
| 404 |
|
|
int32 r1 = 1 << 31
|
| 405 |
|
|
int32 r3 = or(r1,r2), jump_zero C14
|
| 406 |
|
|
int32 r4 = r3 == 1 << 31
|
| 407 |
|
|
int r0 |= 4, mask = r4
|
| 408 |
|
|
C14:
|
| 409 |
|
|
int64 r1 = 1 << 32
|
| 410 |
|
|
int64 r3 = or(r1,r2), jump_zero C16
|
| 411 |
|
|
int64 r4 = r3 == 1 << 32
|
| 412 |
|
|
int r0 |= 8, mask = r4
|
| 413 |
|
|
C16:
|
| 414 |
|
|
int64 r1 = address [text_or_jz]
|
| 415 |
|
|
call print_result
|
| 416 |
|
|
|
| 417 |
|
|
|
| 418 |
|
|
// Test xor/jump_zero
|
| 419 |
|
|
int32 r1 = 0xF055
|
| 420 |
|
|
int32 r2 = r1
|
| 421 |
|
|
int8 r3 = xor(r1,r2), jump_zero C20
|
| 422 |
|
|
int r0 = 0
|
| 423 |
|
|
jump C21
|
| 424 |
|
|
C20: int r0 = 1
|
| 425 |
|
|
C21:
|
| 426 |
|
|
int r2 = 0
|
| 427 |
|
|
int16 r3 = xor(r1,r2), jump_zero C22
|
| 428 |
|
|
int32 r4 = r3 == r1
|
| 429 |
|
|
int r0 |= 2, mask = r4
|
| 430 |
|
|
C22:
|
| 431 |
|
|
int32 r1 = -r1
|
| 432 |
|
|
int32 r2 = r1
|
| 433 |
|
|
int32 r3 = xor(r1,r2), jump_nzero C24
|
| 434 |
|
|
int r0 |= 4
|
| 435 |
|
|
C24:
|
| 436 |
|
|
int64 r1 |= 1 << 63
|
| 437 |
|
|
int64 r3 = xor(r1,r2), jump_zero C26
|
| 438 |
|
|
int r0 |= 8
|
| 439 |
|
|
C26:
|
| 440 |
|
|
int64 r1 = address [text_xor_jz]
|
| 441 |
|
|
call print_result
|
| 442 |
|
|
|
| 443 |
|
|
|
| 444 |
|
|
// Test test_bit/jump_true
|
| 445 |
|
|
int32 r1 = 0x12345678
|
| 446 |
|
|
int8 test_bit(r1,4), jump_true E0
|
| 447 |
|
|
int r0 = 0
|
| 448 |
|
|
jump E1
|
| 449 |
|
|
E0: int r0 = 1
|
| 450 |
|
|
E1:
|
| 451 |
|
|
int16 test_bit(r1,8), jump_true E2
|
| 452 |
|
|
int r0 |= 2
|
| 453 |
|
|
E2:
|
| 454 |
|
|
int32 test_bit(r1,21), jump_false E4
|
| 455 |
|
|
int r0 |= 4
|
| 456 |
|
|
E4:
|
| 457 |
|
|
int64 test_bit(r1,33), jump_true E6
|
| 458 |
|
|
int64 r1 |= 1 << 33
|
| 459 |
|
|
int64 test_bit(r1,33), jump_false E6
|
| 460 |
|
|
int r0 |= 8
|
| 461 |
|
|
E6:
|
| 462 |
|
|
int64 r1 = address [text_test_bit_jtrue]
|
| 463 |
|
|
call print_result
|
| 464 |
|
|
|
| 465 |
|
|
|
| 466 |
|
|
// Test test_bits_and/jump_true
|
| 467 |
|
|
int32 r1 = 0x12345678
|
| 468 |
|
|
int32 r2 = 0x2670
|
| 469 |
|
|
int8 test_bits_and(r1,r2), jump_true E10
|
| 470 |
|
|
int r0 = 0
|
| 471 |
|
|
jump E11
|
| 472 |
|
|
E10: int r0 = 1
|
| 473 |
|
|
E11:
|
| 474 |
|
|
int16 test_bits_and(r1,r2), jump_true E12
|
| 475 |
|
|
int r0 |= 2
|
| 476 |
|
|
E12:
|
| 477 |
|
|
int32 test_bits_and(r1,r1), jump_false E14
|
| 478 |
|
|
int r0 |= 4
|
| 479 |
|
|
E14:
|
| 480 |
|
|
int64 r2 = r1 | 1 << 50
|
| 481 |
|
|
int64 test_bits_and(r1,r2), jump_true E16
|
| 482 |
|
|
int r0 |= 8
|
| 483 |
|
|
E16:
|
| 484 |
|
|
int64 r1 = address [text_test_bits_and_jtrue]
|
| 485 |
|
|
call print_result
|
| 486 |
|
|
|
| 487 |
|
|
|
| 488 |
|
|
// Test test_bits_or/jump_true
|
| 489 |
|
|
int32 r1 = 0x12345678
|
| 490 |
|
|
int32 r2 = 0xC0
|
| 491 |
|
|
int8 test_bits_or(r1,r2), jump_false E20
|
| 492 |
|
|
int r0 = 1
|
| 493 |
|
|
jump E21
|
| 494 |
|
|
E20: int r0 = 0
|
| 495 |
|
|
E21:
|
| 496 |
|
|
int16 test_bits_or(r1,0x1001), jump_false E22
|
| 497 |
|
|
int r0 |= 2
|
| 498 |
|
|
E22:
|
| 499 |
|
|
int32 test_bits_or(r2,0x1001), jump_true E24
|
| 500 |
|
|
int r0 |= 4
|
| 501 |
|
|
E24:
|
| 502 |
|
|
int32 r2 = r1 ^ -1
|
| 503 |
|
|
int64 test_bits_or(r2,r1), jump_false E26
|
| 504 |
|
|
int r0 &= ~ 4
|
| 505 |
|
|
E26:
|
| 506 |
|
|
int64 r1 |= 1 << 60
|
| 507 |
|
|
int64 r2 |= 1 << 60
|
| 508 |
|
|
int64 test_bits_or(r2,r1), jump_false E28
|
| 509 |
|
|
int r0 |= 8
|
| 510 |
|
|
E28:
|
| 511 |
|
|
int64 r1 = address [text_test_bits_or_jtrue]
|
| 512 |
|
|
call print_result
|
| 513 |
|
|
|
| 514 |
|
|
|
| 515 |
|
|
int64 r0 = address [press_run] // press run to continue
|
| 516 |
|
|
call _printf // print string
|
| 517 |
|
|
|
| 518 |
|
|
breakpoint
|
| 519 |
|
|
|
| 520 |
|
|
|
| 521 |
|
|
// Test compare/jump_equal
|
| 522 |
|
|
int32 r1 = 0x222212AB
|
| 523 |
|
|
int32 r2 = 0x222213AB
|
| 524 |
|
|
int8 compare(r1,r2), jump_equal F0
|
| 525 |
|
|
int r0 = 0
|
| 526 |
|
|
jump F1
|
| 527 |
|
|
F0: int r0 = 1
|
| 528 |
|
|
F1:
|
| 529 |
|
|
int16 compare(r1,r2), jump_equal F2
|
| 530 |
|
|
int r0 |= 2
|
| 531 |
|
|
F2:
|
| 532 |
|
|
int32 r2 &= ~0x100
|
| 533 |
|
|
int32 compare(r1,r2), jump_nequal F4
|
| 534 |
|
|
int r0 |= 4
|
| 535 |
|
|
F4:
|
| 536 |
|
|
int64 r1 ^= 1 << 60
|
| 537 |
|
|
int64 compare(r1,r2), jump_equal F6
|
| 538 |
|
|
int r0 |= 8
|
| 539 |
|
|
F6:
|
| 540 |
|
|
int64 r1 = address [text_compare_jequal]
|
| 541 |
|
|
call print_result
|
| 542 |
|
|
|
| 543 |
|
|
|
| 544 |
|
|
// Test compare/jump_sbelow
|
| 545 |
|
|
int r1 = 0x1111997F
|
| 546 |
|
|
int r2 = 0x22228880
|
| 547 |
|
|
int8 compare(r1,r2), jump_sbelow F10
|
| 548 |
|
|
int r0 = 1
|
| 549 |
|
|
jump F11
|
| 550 |
|
|
F10: int r0 = 0
|
| 551 |
|
|
F11:
|
| 552 |
|
|
int16 compare(r1,r2), jump_sbelow F12
|
| 553 |
|
|
int r0 |= 2
|
| 554 |
|
|
F12:
|
| 555 |
|
|
int32 compare(r1,r2), jump_saboveeq F14
|
| 556 |
|
|
int r0 |= 4
|
| 557 |
|
|
F14:
|
| 558 |
|
|
int64 r2 |= 1 << 63
|
| 559 |
|
|
int64 compare(r1,r2), jump_sbelow F16
|
| 560 |
|
|
int r0 |= 8
|
| 561 |
|
|
F16:
|
| 562 |
|
|
int64 r1 = address [text_compare_jsbelow]
|
| 563 |
|
|
call print_result
|
| 564 |
|
|
|
| 565 |
|
|
|
| 566 |
|
|
// Test compare/jump_sabove
|
| 567 |
|
|
int r1 = 0x1111997F
|
| 568 |
|
|
int r2 = 0x22228880
|
| 569 |
|
|
int8 compare(r1,r2), jump_sbeloweq F20
|
| 570 |
|
|
int r0 = 1
|
| 571 |
|
|
jump F21
|
| 572 |
|
|
F20: int r0 = 0
|
| 573 |
|
|
F21:
|
| 574 |
|
|
int16 compare(r1,r2), jump_sbeloweq F22
|
| 575 |
|
|
int r0 |= 2
|
| 576 |
|
|
F22:
|
| 577 |
|
|
int32 compare(r1,r2), jump_sabove F24
|
| 578 |
|
|
int r0 |= 4
|
| 579 |
|
|
F24:
|
| 580 |
|
|
int32 compare(r1,r1), jump_sbeloweq F25
|
| 581 |
|
|
int r0 &= ~ 4
|
| 582 |
|
|
F25:
|
| 583 |
|
|
int64 r2 |= 1 << 63
|
| 584 |
|
|
int64 compare(r1,r2), jump_sbeloweq F26
|
| 585 |
|
|
int r0 |= 8
|
| 586 |
|
|
F26:
|
| 587 |
|
|
int64 r1 = address [text_compare_jsabove]
|
| 588 |
|
|
call print_result
|
| 589 |
|
|
|
| 590 |
|
|
|
| 591 |
|
|
// Test compare/jump_ubelow
|
| 592 |
|
|
int r1 = 0x1111997F
|
| 593 |
|
|
int r2 = 0x22228880
|
| 594 |
|
|
int8 compare(r1,r2), jump_ubelow F30
|
| 595 |
|
|
int r0 = 0
|
| 596 |
|
|
jump F31
|
| 597 |
|
|
F30: int r0 = 1
|
| 598 |
|
|
F31:
|
| 599 |
|
|
int16 compare(r1,r2), jump_ubelow F32
|
| 600 |
|
|
int r0 |= 2
|
| 601 |
|
|
F32:
|
| 602 |
|
|
int32 compare(r1,r2), jump_uaboveeq F34
|
| 603 |
|
|
int r0 |= 4
|
| 604 |
|
|
F34:
|
| 605 |
|
|
int32 compare(r1,r1), jump_uaboveeq F35
|
| 606 |
|
|
int r0 &= ~ 4
|
| 607 |
|
|
F35:
|
| 608 |
|
|
int64 compare(r1,r2), jump_uaboveeq F36
|
| 609 |
|
|
int64 r1 |= 1 << 63
|
| 610 |
|
|
int64 compare(r1,r2), jump_ubelow F36
|
| 611 |
|
|
int r0 |= 8
|
| 612 |
|
|
F36:
|
| 613 |
|
|
int64 r1 = address [text_compare_jubelow]
|
| 614 |
|
|
call print_result
|
| 615 |
|
|
|
| 616 |
|
|
|
| 617 |
|
|
// Test compare/jump_uabove
|
| 618 |
|
|
int r1 = 0x1111997F
|
| 619 |
|
|
int r2 = 0x22228880
|
| 620 |
|
|
int8 compare(r1,r2), jump_ubeloweq F40
|
| 621 |
|
|
int r0 = 0
|
| 622 |
|
|
jump F41
|
| 623 |
|
|
F40: int r0 = 1
|
| 624 |
|
|
F41:
|
| 625 |
|
|
int16 compare(r1,r2), jump_ubeloweq F42
|
| 626 |
|
|
int r0 |= 2
|
| 627 |
|
|
F42:
|
| 628 |
|
|
int32 compare(r1,r2), jump_uabove F44
|
| 629 |
|
|
int r0 |= 4
|
| 630 |
|
|
F44:
|
| 631 |
|
|
int32 compare(r1,r1), jump_ubeloweq F45
|
| 632 |
|
|
int r0 &= ~ 4
|
| 633 |
|
|
F45:
|
| 634 |
|
|
int64 compare(r1,r2), jump_uabove F46
|
| 635 |
|
|
int64 r1 |= 1 << 63
|
| 636 |
|
|
int64 compare(r1,r2), jump_ubeloweq F46
|
| 637 |
|
|
int r0 |= 8
|
| 638 |
|
|
F46:
|
| 639 |
|
|
int64 r1 = address [text_compare_juabove]
|
| 640 |
|
|
call print_result
|
| 641 |
|
|
|
| 642 |
|
|
|
| 643 |
|
|
// Test inc_compare/jump_below
|
| 644 |
|
|
int r2 = 0
|
| 645 |
|
|
for (int8 r1 = 0; r1 < 5; r1++) {
|
| 646 |
|
|
int r2++
|
| 647 |
|
|
}
|
| 648 |
|
|
int r0 = r2 == 5
|
| 649 |
|
|
for (int16 r1 = 0x7000; r1 < 0x7005; r1++) {
|
| 650 |
|
|
int r2++
|
| 651 |
|
|
}
|
| 652 |
|
|
int r4 = r2 == 10
|
| 653 |
|
|
int r0 |= 2, mask = r4
|
| 654 |
|
|
|
| 655 |
|
|
for (int32 r1 = -2; r1 < 3; r1++) {
|
| 656 |
|
|
int r2++
|
| 657 |
|
|
}
|
| 658 |
|
|
int32 r4 = r2 == 15
|
| 659 |
|
|
int r0 |= 4, mask = r4
|
| 660 |
|
|
int32 r1 = 0x7FFFFFFE
|
| 661 |
|
|
int64 r3 = r1 + 5
|
| 662 |
|
|
for (int64 ; r1 < r3; r1++) {
|
| 663 |
|
|
int r2++
|
| 664 |
|
|
}
|
| 665 |
|
|
int32 r4 = r2 == 20
|
| 666 |
|
|
int r0 |= 8, mask = r4
|
| 667 |
|
|
int64 r1 = address [text_inc_compare_jbelow]
|
| 668 |
|
|
call print_result
|
| 669 |
|
|
|
| 670 |
|
|
|
| 671 |
|
|
// Test inc_compare/jump_above
|
| 672 |
|
|
int r2 = 0
|
| 673 |
|
|
for (int8 r1 = 0; r1 <= 5; r1++) {
|
| 674 |
|
|
int r2++
|
| 675 |
|
|
}
|
| 676 |
|
|
int r0 = r2 == 6
|
| 677 |
|
|
int r3 = 0x7005
|
| 678 |
|
|
for (int16 r1 = 0x7000; r1 <= r3; r1++) {
|
| 679 |
|
|
int r2++
|
| 680 |
|
|
}
|
| 681 |
|
|
int r4 = r2 == 12
|
| 682 |
|
|
int r0 |= 2, mask = r4
|
| 683 |
|
|
|
| 684 |
|
|
for (int32 r1 = -2; r1 <= 3; r1++) {
|
| 685 |
|
|
int r2++
|
| 686 |
|
|
}
|
| 687 |
|
|
int32 r4 = r2 == 18
|
| 688 |
|
|
int r0 |= 4, mask = r4
|
| 689 |
|
|
int32 r1 = 0x7FFFFFFE
|
| 690 |
|
|
int64 r3 = r1 + 5
|
| 691 |
|
|
for (int64 ; r1 <= r3; r1++) {
|
| 692 |
|
|
int r2++
|
| 693 |
|
|
}
|
| 694 |
|
|
int32 r4 = r2 == 24
|
| 695 |
|
|
int r0 |= 8, mask = r4
|
| 696 |
|
|
int64 r1 = address [text_inc_compare_jabove]
|
| 697 |
|
|
call print_result
|
| 698 |
|
|
|
| 699 |
|
|
|
| 700 |
|
|
// Test sub_maxlen/jump_pos
|
| 701 |
|
|
// get max vector length without using vectors:
|
| 702 |
|
|
int r6 = 0
|
| 703 |
|
|
int64 r6 = sub_maxlen(r6, 3), jump_pos H1
|
| 704 |
|
|
int r6 = - r6 // max vector length
|
| 705 |
|
|
int r2 = 0
|
| 706 |
|
|
H1: int r0 = 0
|
| 707 |
|
|
if (int r6 > 0) { // avoid infinite loops if maxlen = 0
|
| 708 |
|
|
// test all operand sizes for completeness, even though only int64 is used. int8 is likely to overflow
|
| 709 |
|
|
int r1 = 4
|
| 710 |
|
|
H10: int r2++
|
| 711 |
|
|
int8 r1 = sub_maxlen(r1, 3), jump_pos H10
|
| 712 |
|
|
int r0 = r2 == 1
|
| 713 |
|
|
|
| 714 |
|
|
int r1 = r6 << 2
|
| 715 |
|
|
int r2 = 0
|
| 716 |
|
|
H20: int r2++
|
| 717 |
|
|
int16 r1 = sub_maxlen(r1, 3), jump_pos H20
|
| 718 |
|
|
int r4 = r2 == 4
|
| 719 |
|
|
int r0 |= 2, mask = r4
|
| 720 |
|
|
|
| 721 |
|
|
int r1 = r6 << 2
|
| 722 |
|
|
int r1 += 4
|
| 723 |
|
|
int r2 = 0
|
| 724 |
|
|
H30: int r2++
|
| 725 |
|
|
int32 r1 = sub_maxlen(r1, 3), jump_pos H30
|
| 726 |
|
|
int r4 = r2 == 5
|
| 727 |
|
|
int r0 |= 4, mask = r4
|
| 728 |
|
|
|
| 729 |
|
|
int64 r3 = 1 << 60
|
| 730 |
|
|
int64 r1 = sub_maxlen(r1, 3), jump_npos H42
|
| 731 |
|
|
int r1 = r6 << 2
|
| 732 |
|
|
int r1 += 4
|
| 733 |
|
|
int r2 = 0
|
| 734 |
|
|
H40: int r2++
|
| 735 |
|
|
int64 r1 = sub_maxlen(r1, 3), jump_pos H40
|
| 736 |
|
|
int r4 = r2 == 5
|
| 737 |
|
|
int r0 |= 8, mask = r4
|
| 738 |
|
|
H42:
|
| 739 |
|
|
}
|
| 740 |
|
|
int64 r1 = address [text_sub_maxlen_jpos]
|
| 741 |
|
|
call print_result
|
| 742 |
|
|
|
| 743 |
|
|
|
| 744 |
|
|
// Test jump to relative pointer in memory
|
| 745 |
|
|
int r1 = 0
|
| 746 |
|
|
int64 r10 = address [TARGET3]
|
| 747 |
|
|
int64 r11 = address [jumptab8]
|
| 748 |
|
|
int64 r20 = address [K00]
|
| 749 |
|
|
int8 jump_relative(r10,[r11])
|
| 750 |
|
|
K00: int r0 = r3 == 1
|
| 751 |
|
|
|
| 752 |
|
|
int64 r20 = address [K10]
|
| 753 |
|
|
int16 jump_relative(r10,[jumptab16+4])
|
| 754 |
|
|
K10: int r4 = r3 == 3
|
| 755 |
|
|
int r0 |= 2, mask = r4
|
| 756 |
|
|
|
| 757 |
|
|
int64 r20 = address [K20]
|
| 758 |
|
|
int32 jump_relative(r10,[jumptab32+4])
|
| 759 |
|
|
K20: int r4 = r3 == 2
|
| 760 |
|
|
int r0 |= 4, mask = r4
|
| 761 |
|
|
|
| 762 |
|
|
int64 r20 = address [K30]
|
| 763 |
|
|
int64 r11 = address [jumptab64]
|
| 764 |
|
|
int64 jump_relative(r10,[r11+24])
|
| 765 |
|
|
K30: int r4 = r3 == 4
|
| 766 |
|
|
int r0 |= 8, mask = r4
|
| 767 |
|
|
|
| 768 |
|
|
int64 r1 = address [text_jump_relative]
|
| 769 |
|
|
call print_result
|
| 770 |
|
|
|
| 771 |
|
|
|
| 772 |
|
|
// Test call to relative pointer in memory
|
| 773 |
|
|
int r1 = 0
|
| 774 |
|
|
int64 r20 = address [TARGETRETURN]
|
| 775 |
|
|
int64 r11 = address [jumptab8]
|
| 776 |
|
|
int8 call_relative(r10,[r11])
|
| 777 |
|
|
int r0 = r3 == 1
|
| 778 |
|
|
|
| 779 |
|
|
int16 call_relative(r10,[jumptab16+4])
|
| 780 |
|
|
int r4 = r3 == 3
|
| 781 |
|
|
int r0 |= 2, mask = r4
|
| 782 |
|
|
|
| 783 |
|
|
int32 call_relative(r10,[jumptab32+4])
|
| 784 |
|
|
int r4 = r3 == 2
|
| 785 |
|
|
int r0 |= 4, mask = r4
|
| 786 |
|
|
|
| 787 |
|
|
int64 r11 = address [jumptab64]
|
| 788 |
|
|
int64 call_relative(r10,[r11+24])
|
| 789 |
|
|
int r4 = r3 == 4
|
| 790 |
|
|
int r0 |= 8, mask = r4
|
| 791 |
|
|
|
| 792 |
|
|
int64 r1 = address [text_call_relative]
|
| 793 |
|
|
call print_result
|
| 794 |
|
|
|
| 795 |
|
|
|
| 796 |
|
|
// Test jump to relative table in memory
|
| 797 |
|
|
int r1 = 0
|
| 798 |
|
|
int64 r10 = address [TARGET3]
|
| 799 |
|
|
int64 r11 = address [jumptab8]
|
| 800 |
|
|
int64 r20 = address [L00]
|
| 801 |
|
|
int8 jump_relative(r10,[r11+r1])
|
| 802 |
|
|
L00: int r4 = r3
|
| 803 |
|
|
int r1 = 1
|
| 804 |
|
|
int64 r20 = address [L01]
|
| 805 |
|
|
int8 jump_relative(r10,[r11+r1])
|
| 806 |
|
|
L01: int r4 <<= 4
|
| 807 |
|
|
int r4 |= r3
|
| 808 |
|
|
int r1 = 4
|
| 809 |
|
|
int64 r20 = address [L02]
|
| 810 |
|
|
int8 jump_relative(r10,[r11+r1])
|
| 811 |
|
|
L02: int r4 <<= 4
|
| 812 |
|
|
int r4 |= r3
|
| 813 |
|
|
int r0 = r4 == 0x125
|
| 814 |
|
|
|
| 815 |
|
|
int r1 = 2
|
| 816 |
|
|
int64 r11 = address [jumptab16]
|
| 817 |
|
|
int64 r20 = address [L10]
|
| 818 |
|
|
int16 jump_relative(r10,[r11+r1*2])
|
| 819 |
|
|
L10: int r4 = r3
|
| 820 |
|
|
int r1 = 1
|
| 821 |
|
|
int64 r20 = address [L11]
|
| 822 |
|
|
int16 jump_relative(r10,[r11+r1*2])
|
| 823 |
|
|
L11: int r4 <<= 4
|
| 824 |
|
|
int r4 |= r3
|
| 825 |
|
|
int r1 = 3
|
| 826 |
|
|
int64 r20 = address [L12]
|
| 827 |
|
|
int16 jump_relative(r10,[r11+r1*2])
|
| 828 |
|
|
L12: int r4 <<= 4
|
| 829 |
|
|
int r4 |= r3
|
| 830 |
|
|
int r4 = r4 == 0x324
|
| 831 |
|
|
int r0 |= 2, mask = r4
|
| 832 |
|
|
|
| 833 |
|
|
int r1 = 4
|
| 834 |
|
|
int64 r11 = address [jumptab32]
|
| 835 |
|
|
int64 r20 = address [L20]
|
| 836 |
|
|
int32 jump_relative(r10,[r11+r1*4])
|
| 837 |
|
|
L20: int r4 = r3
|
| 838 |
|
|
int r1 = 2
|
| 839 |
|
|
int64 r20 = address [L21]
|
| 840 |
|
|
int32 jump_relative(r10,[r11+r1*4])
|
| 841 |
|
|
L21: int r4 <<= 4
|
| 842 |
|
|
int r4 |= r3
|
| 843 |
|
|
int r1 = 3
|
| 844 |
|
|
int64 r20 = address [L22]
|
| 845 |
|
|
int32 jump_relative(r10,[r11+r1*4])
|
| 846 |
|
|
L22: int r4 <<= 4
|
| 847 |
|
|
int r4 |= r3
|
| 848 |
|
|
int r4 = r4 == 0x534
|
| 849 |
|
|
int r0 |= 4, mask = r4
|
| 850 |
|
|
|
| 851 |
|
|
int r1 = 0
|
| 852 |
|
|
int64 r11 = address [jumptab64]
|
| 853 |
|
|
int64 r20 = address [L30]
|
| 854 |
|
|
int64 jump_relative(r10,[r11+r1*8])
|
| 855 |
|
|
L30: int r4 = r3
|
| 856 |
|
|
int r1 = 4
|
| 857 |
|
|
int64 r20 = address [L31]
|
| 858 |
|
|
int64 jump_relative(r10,[r11+r1*8])
|
| 859 |
|
|
L31: int r4 <<= 4
|
| 860 |
|
|
int r4 |= r3
|
| 861 |
|
|
int r1 = 2
|
| 862 |
|
|
int64 r20 = address [L32]
|
| 863 |
|
|
int64 jump_relative(r10,[r11+r1*8])
|
| 864 |
|
|
L32: int r4 <<= 4
|
| 865 |
|
|
int r4 |= r3
|
| 866 |
|
|
int r4 = r4 == 0x153
|
| 867 |
|
|
int r0 |= 8, mask = r4
|
| 868 |
|
|
|
| 869 |
|
|
int64 r1 = address [text_jump_relative_table]
|
| 870 |
|
|
call print_result
|
| 871 |
|
|
|
| 872 |
|
|
|
| 873 |
|
|
// Test call to relative table in memory
|
| 874 |
|
|
int r1 = 2
|
| 875 |
|
|
int64 r10 = address [TARGET3]
|
| 876 |
|
|
int64 r11 = address [jumptab8]
|
| 877 |
|
|
int64 r20 = address [TARGETRETURN]
|
| 878 |
|
|
int8 call_relative(r10,[r11+r1])
|
| 879 |
|
|
int r4 = r3
|
| 880 |
|
|
int r1 = 4
|
| 881 |
|
|
int8 call_relative(r10,[r11+r1])
|
| 882 |
|
|
int r4 <<= 4
|
| 883 |
|
|
int r4 |= r3
|
| 884 |
|
|
int r1 = 3
|
| 885 |
|
|
int8 call_relative(r10,[r11+r1])
|
| 886 |
|
|
int r4 <<= 4
|
| 887 |
|
|
int r4 |= r3
|
| 888 |
|
|
int r0 = r4 == 0x354
|
| 889 |
|
|
|
| 890 |
|
|
int64 r11 = address [jumptab16]
|
| 891 |
|
|
int r1 = 2
|
| 892 |
|
|
int16 call_relative(r10,[r11+r1*2])
|
| 893 |
|
|
int r4 = r3
|
| 894 |
|
|
int r1 = 0
|
| 895 |
|
|
int16 call_relative(r10,[r11+r1*2])
|
| 896 |
|
|
int r4 <<= 4
|
| 897 |
|
|
int r4 |= r3
|
| 898 |
|
|
int r1 = 4
|
| 899 |
|
|
int16 call_relative(r10,[r11+r1*2])
|
| 900 |
|
|
int r4 <<= 4
|
| 901 |
|
|
int r4 |= r3
|
| 902 |
|
|
int r4 = r4 == 0x315
|
| 903 |
|
|
int r0 |= 2, mask = r4
|
| 904 |
|
|
|
| 905 |
|
|
int64 r11 = address [jumptab32]
|
| 906 |
|
|
int r1 = 4
|
| 907 |
|
|
int32 call_relative(r10,[r11+r1*4])
|
| 908 |
|
|
int r4 = r3
|
| 909 |
|
|
int r1 = 1
|
| 910 |
|
|
int32 call_relative(r10,[r11+r1*4])
|
| 911 |
|
|
int r4 <<= 4
|
| 912 |
|
|
int r4 |= r3
|
| 913 |
|
|
int r1 = 2
|
| 914 |
|
|
int32 call_relative(r10,[r11+r1*4])
|
| 915 |
|
|
int r4 <<= 4
|
| 916 |
|
|
int r4 |= r3
|
| 917 |
|
|
int r4 = r4 == 0x523
|
| 918 |
|
|
int r0 |= 4, mask = r4
|
| 919 |
|
|
|
| 920 |
|
|
int64 r11 = address [jumptab64]
|
| 921 |
|
|
int r1 = 3
|
| 922 |
|
|
int64 call_relative(r10,[r11+r1*8])
|
| 923 |
|
|
int r4 = r3
|
| 924 |
|
|
int r1 = 4
|
| 925 |
|
|
int64 call_relative(r10,[r11+r1*8])
|
| 926 |
|
|
int r4 <<= 4
|
| 927 |
|
|
int r4 |= r3
|
| 928 |
|
|
int r1 = 0
|
| 929 |
|
|
int64 call_relative(r10,[r11+r1*8])
|
| 930 |
|
|
int r4 <<= 4
|
| 931 |
|
|
int r4 |= r3
|
| 932 |
|
|
int r4 = r4 == 0x451
|
| 933 |
|
|
int r0 |= 8, mask = r4
|
| 934 |
|
|
|
| 935 |
|
|
int64 r1 = address [text_call_relative_table]
|
| 936 |
|
|
call print_result
|
| 937 |
|
|
|
| 938 |
|
|
|
| 939 |
|
|
// jump/call 24 bit relative need not be tested because we would not have got here if they didn't work
|
| 940 |
|
|
// jump/call to register value need not be tested because we would not have got here if they didn't work
|
| 941 |
|
|
int r0 = 0x78
|
| 942 |
|
|
int64 r1 = address [text_jump_register]
|
| 943 |
|
|
call print_result
|
| 944 |
|
|
int r0 = 0x78
|
| 945 |
|
|
int64 r1 = address [text_call_register]
|
| 946 |
|
|
call print_result
|
| 947 |
|
|
|
| 948 |
|
|
|
| 949 |
|
|
int64 sp -= 32 // allocate space on stack
|
| 950 |
|
|
|
| 951 |
|
|
// test jump absolute address in memory
|
| 952 |
|
|
int64 r2 = address [TARGET2]
|
| 953 |
|
|
int64 r3 = address [TARGET3]
|
| 954 |
|
|
int64 [sp] = r2 // put jump target address on stack
|
| 955 |
|
|
int64 [sp+8] = r3 // put jump target address on stack
|
| 956 |
|
|
int64 r20 = address [M10] // destination for jump back
|
| 957 |
|
|
int64 jump ([sp+8]) // 8 bit offset, format 1.6.1B
|
| 958 |
|
|
nop
|
| 959 |
|
|
M10: int r4 = r3 == 3
|
| 960 |
|
|
int64 r1 = sp + 0x1000
|
| 961 |
|
|
int64 r20 = address [M11] // destination for jump back
|
| 962 |
|
|
int64 jump ([r1-0x1000]) // 32 bit offset, format 2.5.2B
|
| 963 |
|
|
nop
|
| 964 |
|
|
M11: int r4 = r3 == 2 && r4
|
| 965 |
|
|
int r0 = r4 ? 0x78 : 0
|
| 966 |
|
|
|
| 967 |
|
|
int64 r1 = address [text_jump_absolute]
|
| 968 |
|
|
call print_result
|
| 969 |
|
|
|
| 970 |
|
|
|
| 971 |
|
|
// test call absolute address in memory
|
| 972 |
|
|
int64 r20 = address [TARGETRETURN]
|
| 973 |
|
|
int r3 = 0
|
| 974 |
|
|
int64 call ([sp]) // 8 bit offset, format 1.6.1B
|
| 975 |
|
|
int r4 = r3 == 2
|
| 976 |
|
|
int r0 = r4 ? 0x78 : 0
|
| 977 |
|
|
int64 r1 = address [text_call_absolute]
|
| 978 |
|
|
call print_result
|
| 979 |
|
|
|
| 980 |
|
|
|
| 981 |
|
|
// test jump 32 bit relative
|
| 982 |
|
|
options codesize = 1 << 30 // make sure to use 32-bit jump address
|
| 983 |
|
|
int64 r20 = address [M20]
|
| 984 |
|
|
int r3 = 0
|
| 985 |
|
|
jump TARGET4
|
| 986 |
|
|
nop
|
| 987 |
|
|
M20:
|
| 988 |
|
|
int r4 = r3 == 4
|
| 989 |
|
|
int r0 = r4 ? 0x78 : 0
|
| 990 |
|
|
int64 r1 = address [text_jump_32]
|
| 991 |
|
|
call print_result
|
| 992 |
|
|
|
| 993 |
|
|
|
| 994 |
|
|
// test call 32 bit relative
|
| 995 |
|
|
int64 r20 = address [TARGETRETURN]
|
| 996 |
|
|
int r3 = 0
|
| 997 |
|
|
call TARGET3
|
| 998 |
|
|
nop
|
| 999 |
|
|
int r4 = r3 == 3
|
| 1000 |
|
|
int r0 = r4 ? 0x78 : 0
|
| 1001 |
|
|
int64 r1 = address [text_call_32]
|
| 1002 |
|
|
call print_result
|
| 1003 |
|
|
options codesize = 0 // return to default codesize
|
| 1004 |
|
|
|
| 1005 |
|
|
int64 sp += 32 // free allocated space on stack
|
| 1006 |
|
|
|
| 1007 |
|
|
|
| 1008 |
|
|
int64 r0 = address [newline]
|
| 1009 |
|
|
call _printf // print string
|
| 1010 |
|
|
|
| 1011 |
|
|
|
| 1012 |
|
|
breakpoint
|
| 1013 |
|
|
|
| 1014 |
|
|
int r0 = 0 // program return value
|
| 1015 |
|
|
return // return from main
|
| 1016 |
|
|
|
| 1017 |
|
|
_main end
|
| 1018 |
|
|
|
| 1019 |
|
|
|
| 1020 |
|
|
print_result function
|
| 1021 |
|
|
// Print the result of a single test. Parameters:
|
| 1022 |
|
|
// r0: 4 bits indicating success for for int8, int16, int32, int64. 4 additional bits for printing space (instruction not supported)
|
| 1023 |
|
|
// r1: pointer to text string
|
| 1024 |
|
|
|
| 1025 |
|
|
// set up parameter list for printf
|
| 1026 |
|
|
int64 sp -= 5*8 // allocate space on stack
|
| 1027 |
|
|
int64 [sp] = r1 // text
|
| 1028 |
|
|
int r4 = 'N'
|
| 1029 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 1030 |
|
|
int r5 = test_bit(r0, 4)
|
| 1031 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 1032 |
|
|
int64 [sp+0x08] = r2 // result for int8
|
| 1033 |
|
|
int r0 >>= 1
|
| 1034 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 1035 |
|
|
int r5 = test_bit(r0, 4)
|
| 1036 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 1037 |
|
|
int64 [sp+0x10] = r2 // result for int16
|
| 1038 |
|
|
int r0 >>= 1
|
| 1039 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 1040 |
|
|
int r5 = test_bit(r0, 4)
|
| 1041 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 1042 |
|
|
int64 [sp+0x18] = r2 // result for int32
|
| 1043 |
|
|
int r0 >>= 1
|
| 1044 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 1045 |
|
|
int r5 = test_bit(r0, 4)
|
| 1046 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 1047 |
|
|
int64 [sp+0x20] = r2 // result for int64
|
| 1048 |
|
|
|
| 1049 |
|
|
int64 r0 = address [format1]
|
| 1050 |
|
|
int64 r1 = sp
|
| 1051 |
|
|
call _printf
|
| 1052 |
|
|
int64 sp += 5*8 // release parameter list
|
| 1053 |
|
|
return
|
| 1054 |
|
|
|
| 1055 |
|
|
print_result end
|
| 1056 |
|
|
|
| 1057 |
|
|
/*
|
| 1058 |
|
|
(If you add more test outputs here, you need another breakpoint because
|
| 1059 |
|
|
the output buffer is close to full and the screen on RealTerm will be
|
| 1060 |
|
|
full as well.)
|
| 1061 |
|
|
*/
|
| 1062 |
|
|
|
| 1063 |
|
|
code1 end
|
| 1064 |
|
|
|
| 1065 |
|
|
|
| 1066 |
|
|
code2 section execute
|
| 1067 |
|
|
// jump targets in a separate section for possible longer jump distance
|
| 1068 |
|
|
|
| 1069 |
|
|
TARGET1: int r3 = 1
|
| 1070 |
|
|
jump r20 // jump back
|
| 1071 |
|
|
|
| 1072 |
|
|
TARGET2: int r3 = 2
|
| 1073 |
|
|
jump r20 // jump back
|
| 1074 |
|
|
|
| 1075 |
|
|
TARGET3: int r3 = 3
|
| 1076 |
|
|
jump r20 // jump back
|
| 1077 |
|
|
|
| 1078 |
|
|
TARGET4: int r3 = 4
|
| 1079 |
|
|
jump r20 // jump back
|
| 1080 |
|
|
|
| 1081 |
|
|
TARGET5: int r3 = 5
|
| 1082 |
|
|
jump r20 // jump back
|
| 1083 |
|
|
|
| 1084 |
|
|
TARGETRETURN: nop // for call/return
|
| 1085 |
|
|
return
|
| 1086 |
|
|
|
| 1087 |
|
|
code2 end
|
