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/************************** tests_arithmetics.as ****************************
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* Author: Agner Fog
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* date created: 2021-06-06
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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 arithmetic instructions with general purpose registers
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*
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* This test program will test arithmetic instructions and output a list of
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* which instructions are working for int8, int16, int32, 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 arithmetic 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%-18s%3c%7c%7c%7c", 0 // format string for printing results
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textadd: int8 "add", 0 // text strings for each instruction
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textsub: int8 "sub", 0
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textmul: int8 "mul", 0
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textmulhisigned: int8 "mul_hi signed", 0
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textmulhiunsigned: int8 "mul_hi unsigned", 0
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textdivsigned: int8 "div signed", 0
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textdivunsigned: int8 "div unsigned", 0
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textremsigned: int8 "rem signed", 0
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textremunsigned: int8 "rem unsigned", 0
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textmaxsigned: int8 "max signed", 0
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textmaxunsigned: int8 "max unsigned", 0
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textminsigned: int8 "min signed", 0
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textminunsigned: int8 "min unsigned", 0
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textcompsigned: int8 "compare signed", 0
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textcompunsigned: int8 "compare unsigned", 0
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textabs: int8 "abs", 0
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textsignx: int8 "sign_extend", 0
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textroundp2: int8 "roundp2", 0
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textaddadd: int8 "add_add", 0
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textmuladd: int8 "mul_add", 0
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textsignexadd: int8 "sign_extend_add", 0
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const end
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code section execute // code section
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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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// Test addition
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int32 r1 = 0x12345678
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int32 r2 = 0x9abcdef0
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int8 r3 = r1 + r2 // int8 addition
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int32 r0 = r3 == ((0x78 + 0xf0) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 + r2 // int16 addition
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int32 r4 = r3 == ((0x5678 + 0xdef0) & 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 addition
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int32 r4 = r3 == (0x12345678 + 0x9abcdef0) // 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 r3 = r1 + r2 // 64 bit addition
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int32 r4 = r3 == 0x12345 // check lower half of result
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uint64 r3 >>= 32 // shift down upper half
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int64 r6 = (r3 == (0x12345678 + 0x9abcdef0)) && 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 [textadd]
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call print_result
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// Test subtraction
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int32 r1 = 0x12345678
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int32 r2 = 0x9abcdef0
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int8 r3 = r1 - r2 // int8 addition
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int32 r0 = r3 == ((0x78 - 0xf0) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 - r2 // int16 addition
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int32 r4 = r3 == ((0x5678 - 0xdef0) & 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 addition
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int32 r4 = r3 == ((0x12345678 - 0x9abcdef0) & 0xFFFFFFFF) // 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 r3 = r1 - r2 // 64 bit addition
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int64 r4 = ((0x12345678 - 0x9abcdef0) << 32) + 0x12345
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int64 r5 = r3 == r4 && r6
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int32 r0 |= 8, mask = r5 // set bit 2 if success
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int64 r1 = address [textsub]
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call print_result
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// Test multiplication
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int32 r1 = 0x12345678
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int32 r2 = 0x9abcdef0
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int8 r3 = r1 * r2 // int8 multiplication
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int32 r0 = r3 == ((0x78 * 0xf0) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 * r2 // int16 multiplication
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int32 r4 = r3 == ((0x5678 * 0xdef0) & 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 multiplication
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int32 r4 = r3 == ((0x12345678 * 0x9abcdef0) & 0xFFFFFFFF) // check result
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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if (int r6 & 1) { // try only if 64 bits supported
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int64 r1 <<= 32
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int64 r2 <<= 32
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int64 r1 += 0x00012345
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int64 r2 += 0x6edc4321
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int64 r3 = r1 * r2 // 64 bit multiplication
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int64 r4 = (0x1234567800012345 * 0x9abcdef06edc4321) // expected result
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int64 r5 = (r3 == r4)
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int32 r0 |= 8, mask = r5 // set bit 2 if success
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}
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int64 r1 = address [textmul]
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call print_result
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// Test mul_hi: high part of product, signed
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int32 r1 = 0xa1b2c3d4
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int32 r2 = 0xe5f60718
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int8 r3 = mul_hi(r1, r2)
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int32 r0 = r3 == ((0xffd4 * 0x18) >> 8 & 0xFF) // check result, set bit 0 if success
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int16 r3 = mul_hi(r1, r2)
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int32 r4 = r3 == ((0xffffc3d4 * 0x0718) >> 16 & 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 = mul_hi(r1, r2)
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int32 r4 = r3 == ((0xffffffffa1b2c3d4 * 0xffffffffe5f60718) >> 32 & 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 r1 = 0x21b2c3d4e5f60718
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int64 r2 = 0x46352958adbecef8
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%prodhi = (((0xe5f60718 * 0xadbecef8 >>> 32) + 0x21b2c3d4 * 0xadbecef8 + 0x46352958 * 0xe5f60718) >>> 32) + 0x21b2c3d4 * 0x46352958
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int64 r3 = mul_hi(r1, r2)
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int64 r4 = r3 == prodhi // 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 [textmulhisigned]
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call print_result
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// Test mul_hi: high part of product, unsigned
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int32 r1 = 0xa1b2c3d4
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int32 r2 = 0xe5f60718
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int8 r3 = mul_hi_u(r1, r2)
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int32 r0 = r3 == ((0xd4 * 0x18) >> 8 & 0xFF) // check result, set bit 0 if success
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int16 r3 = mul_hi_u(r1, r2)
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int32 r4 = r3 == ((0xc3d4 * 0x0718) >> 16 & 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 = mul_hi_u(r1, r2)
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int32 r4 = r3 == ((0xa1b2c3d4 * 0xe5f60718) >> 32 & 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 r1 = 0x21b2c3d4e5f60718
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int64 r2 = 0x46352958adbecef8
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%prodhi = (((0xe5f60718 * 0xadbecef8 >>> 32) + 0x21b2c3d4 * 0xadbecef8 + 0x46352958 * 0xe5f60718) >>> 32) + 0x21b2c3d4 * 0x46352958
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int64 r3 = mul_hi_u(r1, r2)
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int64 r4 = r3 == prodhi // 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 [textmulhiunsigned]
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call print_result
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// Test signed division
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int32 r1 = 0x12345678
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int32 r2 = 0xab1d2f
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int8 r3 = r1 / r2 // int8 division
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int32 r0 = r3 == ((0x78 / 0x2f) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 / r2 // int16 division
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int32 r4 = r3 == ((0x5678 / 0x1d2f) & 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 division
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int32 r4 = r3 == ((0x12345678 / 0xab1d2f) & 0xFFFFFFFF) // check result
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int32 r6 = -r2
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int32 r3 = r1 / r6 // int32 division negative
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int32 r5 = r3 == (-(0x12345678 / 0xab1d2f) & 0xFFFFFFFF) // check result
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int r4 &= r5
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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 |= 0x22334455
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int64 r2 |= 0x66778899
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int64 r3 = r1 / r2
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int32 r4 = r3 == 0x1234567822334455 / 0xab1d2f66778899 // check result
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int32 r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [textdivsigned]
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call print_result
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// Test unsigned division
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int32 r1 = 0x12345678
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int32 r2 = 0xffabf2f3
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uint8 r3 = r1 / r2 // int8 unsigned division
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int r0 = r3 == 0 // check result, set bit 0 if success
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uint8 r3 = r2 / r1 // int8 unsigned division
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int r0 = r3 == 2 && r0 // check result, set bit 0 if success
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uint16 r3 = r1 / r2 // int16 unsigned division
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int32 r5 = r3 == 0 // check result, set bit 0 if success
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uint16 r3 = r2 / r1 // int16 unsigned division
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int32 r4 = r3 == 2 && r5
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int r0 |= 2, mask = r4 // set bit 1 if success
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uint32 r3 = r1 / r2 // int32 unsigned division
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int32 r5 = r3 == 0 // check result, set bit 0 if success
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uint32 r3 = r2 / r1 // int32 unsigned division
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int32 r4 = r3 == 0xE // check result, set bit 0 if success
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int r4 &= r5
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int 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 |= 0x22334455
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int64 r2 |= 0x66778899
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uint64 r3 = r2 / r1
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int64 r4 = r3 == 0xffabf2f3 / 0x12345678
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int r0 |= 8, mask = r4 // set bit 3 if success
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int64 r1 = address [textdivunsigned]
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call print_result
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// Test rem, signed
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%A = 0xcc5d8e9f
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%B = 0x1c1d1e18
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int32 r1 = A
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int32 r2 = B
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int8 r3 = r1 % r2 // int8 modulo
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int32 r0 = r3 == (-((-A & 0xFF) % (B & 0xFF)) & 0xFF) // check result, set bit 0 if success
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int16 r3 = r1 % r2 // int16 modulo
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int32 r4 = r3 == (-((-A & 0xFFFF) % (B & 0xFFFF)) & 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 modulo
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int32 r4 = r3 ==(-((-A & 0xFFFFFFFF) % (B & 0xFFFFFFFF)) & 0xFFFFFFFF) // check result
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int32 r0 |= 4, mask = r4 // set bit 2 if success
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int64 r1 <<= 32
|
| 314 |
|
|
int64 r1 |= r2
|
| 315 |
|
|
int64 r2 <<= 32
|
| 316 |
|
|
|
| 317 |
|
|
%A1 = (A << 32) + A
|
| 318 |
|
|
int64 r1 = A1
|
| 319 |
|
|
int64 r2 = B
|
| 320 |
|
|
int64 r3 = r1 % r2 // int64 modulo
|
| 321 |
|
|
%modulo1 = -(-A1 % B)
|
| 322 |
|
|
int64 r4 = r3 == modulo1 // check result
|
| 323 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 324 |
|
|
|
| 325 |
|
|
int64 r1 = address [textremsigned]
|
| 326 |
|
|
call print_result
|
| 327 |
|
|
|
| 328 |
|
|
|
| 329 |
|
|
// Test rem, unsigned
|
| 330 |
|
|
int32 r1 = A
|
| 331 |
|
|
int32 r2 = B
|
| 332 |
|
|
|
| 333 |
|
|
uint8 r3 = r1 % r2 // int8 modulo
|
| 334 |
|
|
int32 r0 = r3 == (A & 0xFF) % (B & 0xFF) // check result, set bit 0 if success
|
| 335 |
|
|
|
| 336 |
|
|
uint16 r3 = r1 % r2 // int16 modulo
|
| 337 |
|
|
int32 r4 = r3 == (A & 0xFFFF) % (B & 0xFFFF) // check result
|
| 338 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
| 339 |
|
|
|
| 340 |
|
|
uint32 r3 = r1 % r2 // int32 modulo
|
| 341 |
|
|
int32 r4 = r3 == (A & 0xFFFFFFFF) % (B & 0xFFFFFFFF) // check result
|
| 342 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
| 343 |
|
|
|
| 344 |
|
|
int64 r1 = A1
|
| 345 |
|
|
uint64 r3 = r1 % r2 // int64 modulo
|
| 346 |
|
|
%modulo1 = 0x177FFA97
|
| 347 |
|
|
int64 r4 = r3 == modulo1 // check result
|
| 348 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 349 |
|
|
|
| 350 |
|
|
int64 r1 = address [textremunsigned]
|
| 351 |
|
|
call print_result
|
| 352 |
|
|
|
| 353 |
|
|
|
| 354 |
|
|
int64 r0 = address [press_run] // press run to continue
|
| 355 |
|
|
call _printf // print string
|
| 356 |
|
|
|
| 357 |
|
|
breakpoint
|
| 358 |
|
|
|
| 359 |
|
|
|
| 360 |
|
|
// Test max signed
|
| 361 |
|
|
int32 r1 = A
|
| 362 |
|
|
int32 r2 = B
|
| 363 |
|
|
|
| 364 |
|
|
int8 r3 = max(r1, r2) // int8 max
|
| 365 |
|
|
int32 r0 = r3 == (B & 0xFF) // check result, set bit 0 if success
|
| 366 |
|
|
|
| 367 |
|
|
int16 r3 = max(r1, r2) // int16 max
|
| 368 |
|
|
int32 r4 = r3 == (B & 0xFFFF) // check result
|
| 369 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
| 370 |
|
|
|
| 371 |
|
|
int32 r3 = max(r2, r1) // int32 max
|
| 372 |
|
|
int32 r4 = r3 == (B & 0xFFFFFFFF) // check result
|
| 373 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
| 374 |
|
|
|
| 375 |
|
|
int64 r1 <<= 32
|
| 376 |
|
|
int64 r2 <<= 32
|
| 377 |
|
|
int64 r3 = max(r1, r2) // int64 max
|
| 378 |
|
|
int64 r3 >>= 32
|
| 379 |
|
|
int64 r4 = r3 == B // check result
|
| 380 |
|
|
|
| 381 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 382 |
|
|
|
| 383 |
|
|
int64 r1 = address [textmaxsigned]
|
| 384 |
|
|
call print_result
|
| 385 |
|
|
|
| 386 |
|
|
|
| 387 |
|
|
// Test max unsigned
|
| 388 |
|
|
int32 r1 = A
|
| 389 |
|
|
int32 r2 = B
|
| 390 |
|
|
|
| 391 |
|
|
uint8 r3 = max(r1, r2) // int8 max
|
| 392 |
|
|
int32 r0 = r3 == (A & 0xFF) // check result, set bit 0 if success
|
| 393 |
|
|
|
| 394 |
|
|
uint16 r3 = max(r1, r2) // int16 max
|
| 395 |
|
|
int32 r4 = r3 == (A & 0xFFFF) // check result
|
| 396 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
| 397 |
|
|
|
| 398 |
|
|
uint32 r3 = max(r2, r1) // int32 max
|
| 399 |
|
|
int32 r4 = r3 == (A & 0xFFFFFFFF) // check result
|
| 400 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
| 401 |
|
|
|
| 402 |
|
|
int64 r1 <<= 32
|
| 403 |
|
|
int64 r2 <<= 32
|
| 404 |
|
|
uint64 r3 = max(r1, r2) // int64 max
|
| 405 |
|
|
uint64 r3 >>= 32
|
| 406 |
|
|
int64 r4 = r3 == A // check result
|
| 407 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 408 |
|
|
|
| 409 |
|
|
int64 r1 = address [textmaxunsigned]
|
| 410 |
|
|
call print_result
|
| 411 |
|
|
|
| 412 |
|
|
|
| 413 |
|
|
// Test min signed
|
| 414 |
|
|
int32 r1 = A
|
| 415 |
|
|
int32 r2 = B
|
| 416 |
|
|
|
| 417 |
|
|
int8 r3 = min(r1, r2) // int8 max
|
| 418 |
|
|
int32 r0 = r3 == (A & 0xFF) // check result, set bit 0 if success
|
| 419 |
|
|
|
| 420 |
|
|
int16 r3 = min(r1, r2) // int16 max
|
| 421 |
|
|
int32 r4 = r3 == (A & 0xFFFF) // check result
|
| 422 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
| 423 |
|
|
|
| 424 |
|
|
int32 r3 = min(r2, r1) // int32 max
|
| 425 |
|
|
int32 r4 = r3 == (A & 0xFFFFFFFF) // check result
|
| 426 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
| 427 |
|
|
|
| 428 |
|
|
int64 r1 <<= 32
|
| 429 |
|
|
int64 r2 <<= 32
|
| 430 |
|
|
int64 r3 = min(r1, r2) // int64 max
|
| 431 |
|
|
int64 r3 >>= 32
|
| 432 |
|
|
int64 r4 = r3 == A - (1 << 32) // check result
|
| 433 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 434 |
|
|
|
| 435 |
|
|
int64 r1 = address [textminsigned]
|
| 436 |
|
|
call print_result
|
| 437 |
|
|
|
| 438 |
|
|
|
| 439 |
|
|
// Test min unsigned
|
| 440 |
|
|
int32 r1 = A
|
| 441 |
|
|
int32 r2 = B
|
| 442 |
|
|
|
| 443 |
|
|
uint8 r3 = min(r1, r2) // int8 max
|
| 444 |
|
|
int32 r0 = r3 == (B & 0xFF) // check result, set bit 0 if success
|
| 445 |
|
|
|
| 446 |
|
|
uint16 r3 = min(r1, r2) // int16 max
|
| 447 |
|
|
int32 r4 = r3 == (B & 0xFFFF) // check result
|
| 448 |
|
|
int32 r0 |= 2, mask = r4 // set bit 1 if success
|
| 449 |
|
|
|
| 450 |
|
|
uint32 r3 = min(r2, r1) // int32 max
|
| 451 |
|
|
int32 r4 = r3 == (B & 0xFFFFFFFF) // check result
|
| 452 |
|
|
int32 r0 |= 4, mask = r4 // set bit 2 if success
|
| 453 |
|
|
|
| 454 |
|
|
int64 r1 <<= 32
|
| 455 |
|
|
int64 r2 <<= 32
|
| 456 |
|
|
uint64 r3 = min(r1, r2) // int64 max
|
| 457 |
|
|
uint64 r3 >>= 32
|
| 458 |
|
|
int64 r4 = r3 == B // check result
|
| 459 |
|
|
int32 r0 |= 8, mask = r4 // set bit 3 if success
|
| 460 |
|
|
|
| 461 |
|
|
int64 r1 = address [textminunsigned]
|
| 462 |
|
|
call print_result
|
| 463 |
|
|
|
| 464 |
|
|
|
| 465 |
|
|
// Test compare signed
|
| 466 |
|
|
int32 r1 = A
|
| 467 |
|
|
int32 r2 = B
|
| 468 |
|
|
|
| 469 |
|
|
int8 r0 = r1 < r2 // int8 compare
|
| 470 |
|
|
int8 r0 = r2 > r1 && r0 // int8 compare && last result
|
| 471 |
|
|
|
| 472 |
|
|
int16 r3 = r1 <= r2 // int16 compare
|
| 473 |
|
|
int16 r3 = r1 != r2 && r3 // int16 compare
|
| 474 |
|
|
int r0 |= 2, mask = r3 // set bit 1 if success
|
| 475 |
|
|
|
| 476 |
|
|
int32 r3 = r1 <= r2 // int32 compare
|
| 477 |
|
|
int32 r3 = r2 >= r1 && r3 // int32 compare
|
| 478 |
|
|
int32 r0 |= 4, mask = r3 // set bit 2 if success
|
| 479 |
|
|
|
| 480 |
|
|
int64 r1 <<= 32
|
| 481 |
|
|
int64 r2 <<= 32
|
| 482 |
|
|
int64 r3 = r1 < r2 // int64 compare
|
| 483 |
|
|
int64 r3 = r2 > r1 && r3 // int64 compare
|
| 484 |
|
|
int64 r3 = r2 == r2 && r3 // int64 compare
|
| 485 |
|
|
int64 r0 |= 8, mask = r3 // set bit 3 if success
|
| 486 |
|
|
|
| 487 |
|
|
int64 r1 = address [textcompsigned]
|
| 488 |
|
|
call print_result
|
| 489 |
|
|
|
| 490 |
|
|
|
| 491 |
|
|
// Test compare unsigned
|
| 492 |
|
|
int32 r1 = A
|
| 493 |
|
|
int32 r2 = B
|
| 494 |
|
|
|
| 495 |
|
|
uint8 r0 = r1 > r2 // int8 compare
|
| 496 |
|
|
uint8 r0 = r2 < r1 && r0 // int8 compare && last result
|
| 497 |
|
|
|
| 498 |
|
|
uint16 r3 = r1 >= r2 // int16 compare
|
| 499 |
|
|
uint16 r3 = r1 != r2 && r3 // int16 compare
|
| 500 |
|
|
int r0 |= 2, mask = r3 // set bit 1 if success
|
| 501 |
|
|
|
| 502 |
|
|
uint32 r3 = r1 >= r2 // int32 compare
|
| 503 |
|
|
uint32 r3 = r2 <= r1 && r3 // int32 compare
|
| 504 |
|
|
int32 r0 |= 4, mask = r3 // set bit 2 if success
|
| 505 |
|
|
|
| 506 |
|
|
int64 r1 <<= 32
|
| 507 |
|
|
int64 r2 <<= 32
|
| 508 |
|
|
uint64 r3 = r1 > r2 // int64 compare
|
| 509 |
|
|
uint64 r3 = r2 < r1 && r3 // int64 compare
|
| 510 |
|
|
uint64 r3 = r2 == r2 && r3 // int64 compare
|
| 511 |
|
|
int64 r0 |= 8, mask = r3 // set bit 3 if success
|
| 512 |
|
|
|
| 513 |
|
|
int64 r1 = address [textcompunsigned]
|
| 514 |
|
|
call print_result
|
| 515 |
|
|
|
| 516 |
|
|
|
| 517 |
|
|
// Test abs
|
| 518 |
|
|
int8 r1 = -20
|
| 519 |
|
|
int8 r3 = abs(r1, 0) // int8 abs
|
| 520 |
|
|
int r0 = r3 == 20
|
| 521 |
|
|
int8 r1 = 0x80
|
| 522 |
|
|
int8 r3 = abs(r1, 0) // overflow wrap around
|
| 523 |
|
|
int r0 = r3 == r1 && r0
|
| 524 |
|
|
int8 r3 = abs(r1, 1) // overflow saturates
|
| 525 |
|
|
int r0 = r3 == 0x7F && r0
|
| 526 |
|
|
int8 r3 = abs(r1, 2) // overflow gives zero
|
| 527 |
|
|
int r0 = r3 == 0 && r0
|
| 528 |
|
|
|
| 529 |
|
|
int16 r1 = 0x7fff
|
| 530 |
|
|
int16 r2 = abs(r1,0) // int16 abs
|
| 531 |
|
|
int r3 = r2 == r1
|
| 532 |
|
|
int16 r2 = r1 + 1 // 0x8000
|
| 533 |
|
|
int16 r2 = abs(r2, 1) // overflow saturates
|
| 534 |
|
|
int r3 = r2 == r1 && r3
|
| 535 |
|
|
int r0 |= 2, mask = r3 // set bit 1 if success
|
| 536 |
|
|
|
| 537 |
|
|
int32 r1 = 0x7fffffff
|
| 538 |
|
|
int32 r2 = abs(r1, 0) // int32 abs
|
| 539 |
|
|
int r3 = r2 == r1
|
| 540 |
|
|
int32 r2 = r1 + 1 // 0x80000000
|
| 541 |
|
|
int32 r2 = abs(r2, 1) // overflow saturates
|
| 542 |
|
|
int r3 = r2 == r1 && r3
|
| 543 |
|
|
int r0 |= 4, mask = r3 // set bit 2 if success
|
| 544 |
|
|
|
| 545 |
|
|
int64 r1 = -12345 - (1 << 40)
|
| 546 |
|
|
int64 r2 = abs(r1, 0) // int64 abs
|
| 547 |
|
|
int64 r3 = r2 == 12345 + (1 << 40)
|
| 548 |
|
|
int64 r2 >>= 32
|
| 549 |
|
|
int32 r3 = r2 == 1 << 8 && r3
|
| 550 |
|
|
int r0 |= 8, mask = r3 // set bit 3 if success
|
| 551 |
|
|
|
| 552 |
|
|
int64 r1 = address [textabs]
|
| 553 |
|
|
call print_result
|
| 554 |
|
|
|
| 555 |
|
|
|
| 556 |
|
|
// Test sign_extend
|
| 557 |
|
|
int32 r1 = 0x1234fe
|
| 558 |
|
|
int8 r2 = sign_extend(r1) // sign extend from 8 bits to 64 bits
|
| 559 |
|
|
int64 r0 = r2 == -2
|
| 560 |
|
|
int16 r2 = sign_extend(r1) // sign extend from 16 bits to 64 bits
|
| 561 |
|
|
int64 r3 = r2 == 0x34fe
|
| 562 |
|
|
int16 r2 = sign_extend(-20) // sign extend from 16 bits to 64 bits
|
| 563 |
|
|
int64 r3 = (r2 == -20) && r3
|
| 564 |
|
|
int r0 |= 2, mask = r3 // set bit 1 if success
|
| 565 |
|
|
int32 r1 = -r1
|
| 566 |
|
|
int32 r2 = sign_extend(r1) // sign extend from 32 bits to 64 bits
|
| 567 |
|
|
int64 r3 = r2 == -0x1234fe
|
| 568 |
|
|
int r0 |= 4, mask = r3 // set bit 2 if success
|
| 569 |
|
|
int r0 |= 1 << 7 // suppress 'N' for 64 bits
|
| 570 |
|
|
|
| 571 |
|
|
int64 r1 = address [textsignx]
|
| 572 |
|
|
call print_result
|
| 573 |
|
|
|
| 574 |
|
|
|
| 575 |
|
|
// Test roundp2
|
| 576 |
|
|
int32 r1 = 0x1234fe
|
| 577 |
|
|
int8 r2 = roundp2(r1, 0) // 8 bit round down to power of 2
|
| 578 |
|
|
int r0 = r2 == 0x80
|
| 579 |
|
|
int8 r2 = roundp2(r1, 0x21) // 8 bit round up to power of 2
|
| 580 |
|
|
int8 r0 = (r2 == -1) && r0 // overflow
|
| 581 |
|
|
|
| 582 |
|
|
int16 r2 = roundp2(r1, 0) // 16 bit round down to power of 2
|
| 583 |
|
|
int r3 = r2 == 0x2000
|
| 584 |
|
|
int16 r2 = roundp2(r1, 1) // 16 bit round up to power of 2
|
| 585 |
|
|
int r3 = (r2 == 0x4000) && r3
|
| 586 |
|
|
int r0 |= 2, mask = r3 // set bit 1 if success
|
| 587 |
|
|
|
| 588 |
|
|
int32 r2 = roundp2(r1, 0) // 32 bit round down to power of 2
|
| 589 |
|
|
int32 r3 = r2 == 0x100000
|
| 590 |
|
|
int32 r2 = roundp2(r1, 1) // 32 bit round up to power of 2
|
| 591 |
|
|
int32 r3 = (r2 == 0x200000) && r3
|
| 592 |
|
|
int32 r1 <<= 11
|
| 593 |
|
|
int32 r2 = roundp2(r1, 1) // 32 bit round up overflow
|
| 594 |
|
|
int32 r3 = (r2 == 0) && r3
|
| 595 |
|
|
int32 r2 = roundp2(r2, 0x10) // 32 bit down zero
|
| 596 |
|
|
int32 r3 = (r2 == -1) && r3
|
| 597 |
|
|
int r0 |= 4, mask = r3 // set bit 2 if success
|
| 598 |
|
|
|
| 599 |
|
|
int64 r2 = roundp2(r1, 0) // 64 bit round down to power of 2
|
| 600 |
|
|
uint64 r3 = r2 == 0x80000000
|
| 601 |
|
|
int64 r2 = roundp2(r1, 1) // 64 bit round up to power of 2
|
| 602 |
|
|
int64 r2 >>= 32
|
| 603 |
|
|
int64 r3 = r2 == 1 && r3
|
| 604 |
|
|
int r0 |= 8, mask = r3 // set bit 3 if success
|
| 605 |
|
|
|
| 606 |
|
|
int64 r1 = address [textroundp2]
|
| 607 |
|
|
call print_result
|
| 608 |
|
|
|
| 609 |
|
|
|
| 610 |
|
|
// Test add_add
|
| 611 |
|
|
%A = 0xcc5d8e9f
|
| 612 |
|
|
%B = 0x1c1d1e18
|
| 613 |
|
|
%C = 0x538e0c17
|
| 614 |
|
|
|
| 615 |
|
|
int r1 = A
|
| 616 |
|
|
int r2 = B
|
| 617 |
|
|
int r3 = C
|
| 618 |
|
|
|
| 619 |
|
|
int8 r4 = r1 + r2 + r3 // int8 add_add
|
| 620 |
|
|
int r0 = r4 == (A + B + C & 0xFF)
|
| 621 |
|
|
|
| 622 |
|
|
int16 r4 = -r1 + r2 + r3 // int16 add_add
|
| 623 |
|
|
int r5 = r4 == (- A + B + C & 0xFFFF)
|
| 624 |
|
|
int r0 |= 2, mask = r5 // set bit 1 if success
|
| 625 |
|
|
|
| 626 |
|
|
int32 r4 = r1 - r2 + r3 // int32 add_add
|
| 627 |
|
|
int r5 = r4 == (A - B + C & 0xFFFFFFFF)
|
| 628 |
|
|
int r0 |= 4, mask = r5 // set bit 2 if success
|
| 629 |
|
|
|
| 630 |
|
|
int64 r2 <<= 32
|
| 631 |
|
|
int64 r4 = r1 + r2 - r3 // int64 add_add
|
| 632 |
|
|
int64 r5 = r4 == A + (B << 32) - C
|
| 633 |
|
|
int64 r4 >>= 32
|
| 634 |
|
|
int32 r5 = r4 == (A - C >> 32) + B && r5
|
| 635 |
|
|
int r0 |= 8, mask = r5 // set bit 3 if success
|
| 636 |
|
|
|
| 637 |
|
|
int64 r1 = address [textaddadd]
|
| 638 |
|
|
call print_result
|
| 639 |
|
|
|
| 640 |
|
|
|
| 641 |
|
|
// Test mul_add
|
| 642 |
|
|
int r1 = A
|
| 643 |
|
|
int r2 = B
|
| 644 |
|
|
int r3 = C
|
| 645 |
|
|
|
| 646 |
|
|
int8 r4 = r1 * r2 + r3 // int8 mul_add
|
| 647 |
|
|
int r0 = r4 == ((A * B + C) & 0xFF)
|
| 648 |
|
|
|
| 649 |
|
|
int16 r4 = -r1 * r2 + r3 // int16 mul_add
|
| 650 |
|
|
int r5 = r4 == (-A * B + C & 0xFFFF)
|
| 651 |
|
|
int r0 |= 2, mask = r5 // set bit 1 if success
|
| 652 |
|
|
|
| 653 |
|
|
int32 r4 = r1 * 1234 - r3 // int32 mul_add2
|
| 654 |
|
|
int r5 = r4 == (A * 1234 - C & 0xFFFFFFFF )
|
| 655 |
|
|
int r0 |= 4, mask = r5 // set bit 2 if success
|
| 656 |
|
|
|
| 657 |
|
|
int64 r4 = r1 * r2 - (123 << 4) // int64 mul_add
|
| 658 |
|
|
int64 r5 = r4 == A * B - (123 << 4)
|
| 659 |
|
|
|
| 660 |
|
|
int r0 |= 8, mask = r5 // set bit 3 if success
|
| 661 |
|
|
|
| 662 |
|
|
int64 r1 = address [textmuladd]
|
| 663 |
|
|
call print_result
|
| 664 |
|
|
|
| 665 |
|
|
|
| 666 |
|
|
// Test sign_extend_add
|
| 667 |
|
|
int r1 = A
|
| 668 |
|
|
int r2 = B
|
| 669 |
|
|
|
| 670 |
|
|
int8 r4 = sign_extend_add(r2, r1)
|
| 671 |
|
|
int64 r0 = r4 == B + (A & 0xFF) - 0x100
|
| 672 |
|
|
|
| 673 |
|
|
int16 r4 = sign_extend_add(r2, r1), options = 2
|
| 674 |
|
|
int64 r5 = r4 == B + ((A & 0xFFFF) << 2) - (0x10000 << 2)
|
| 675 |
|
|
int r0 |= 2, mask = r5 // set bit 1 if success
|
| 676 |
|
|
|
| 677 |
|
|
int32 r4 = sign_extend_add(r1, r2), options = 3
|
| 678 |
|
|
int64 r5 = r4 == A + ((B & 0xFFFFFFFF) << 3) // - (0x100000000 << 3)
|
| 679 |
|
|
int r0 |= 4, mask = r5 // set bit 2 if success
|
| 680 |
|
|
|
| 681 |
|
|
int64 r4 = sign_extend_add(r2, r1), options = 3
|
| 682 |
|
|
int64 r5 = r4 == B + (A << 3)
|
| 683 |
|
|
uint64 r4 >>= 3
|
| 684 |
|
|
int32 r5 = r4 == (B >> 3) + A && r5
|
| 685 |
|
|
int r0 |= 8, mask = r5 // set bit 3 if success
|
| 686 |
|
|
|
| 687 |
|
|
|
| 688 |
|
|
int64 r1 = address [textsignexadd]
|
| 689 |
|
|
call print_result
|
| 690 |
|
|
|
| 691 |
|
|
|
| 692 |
|
|
int64 r0 = address [newline]
|
| 693 |
|
|
call _puts
|
| 694 |
|
|
|
| 695 |
|
|
breakpoint
|
| 696 |
|
|
|
| 697 |
|
|
int r0 = 0 // program return value
|
| 698 |
|
|
return // return from main
|
| 699 |
|
|
|
| 700 |
|
|
_main end
|
| 701 |
|
|
|
| 702 |
|
|
|
| 703 |
|
|
print_result function
|
| 704 |
|
|
// Print the result of a single test. Parameters:
|
| 705 |
|
|
// r0: 4 bits indicating success for for int8, int16, int32, int64. 4 additional bits for printing space (instruction not supported)
|
| 706 |
|
|
// r1: pointer to text string
|
| 707 |
|
|
|
| 708 |
|
|
// set up parameter list for printf
|
| 709 |
|
|
int64 sp -= 5*8 // allocate space on stack
|
| 710 |
|
|
int64 [sp] = r1 // text
|
| 711 |
|
|
int r4 = 'N'
|
| 712 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 713 |
|
|
int r5 = test_bit(r0, 4)
|
| 714 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 715 |
|
|
int64 [sp+0x08] = r2 // result for int8
|
| 716 |
|
|
int r0 >>= 1
|
| 717 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 718 |
|
|
int r5 = test_bit(r0, 4)
|
| 719 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 720 |
|
|
int64 [sp+0x10] = r2 // result for int16
|
| 721 |
|
|
int r0 >>= 1
|
| 722 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 723 |
|
|
int r5 = test_bit(r0, 4)
|
| 724 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 725 |
|
|
int64 [sp+0x18] = r2 // result for int32
|
| 726 |
|
|
int r0 >>= 1
|
| 727 |
|
|
int r2 = r0 ? 'Y' : r4 // Y or N
|
| 728 |
|
|
int r5 = test_bit(r0, 4)
|
| 729 |
|
|
int r2 = r5 ? ' ' : r2 // Y/N or space
|
| 730 |
|
|
int64 [sp+0x20] = r2 // result for int64
|
| 731 |
|
|
|
| 732 |
|
|
int64 r0 = address [format1]
|
| 733 |
|
|
int64 r1 = sp
|
| 734 |
|
|
call _printf
|
| 735 |
|
|
int64 sp += 5*8 // release parameter list
|
| 736 |
|
|
return
|
| 737 |
|
|
|
| 738 |
|
|
print_result end
|
| 739 |
|
|
|
| 740 |
|
|
code end
|
