foot/emulator/tests/mult-instruction.cpp
shylie 80d83f2062
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Add SIMD instruction variants
2025-08-17 11:18:08 -04:00

76 lines
1.5 KiB
C++

#include "test-common.h"
int main(int argc, char** argv)
{
// CNST
// dst - 0, Direct
// imm - 0x0003
//
// MULT
// dst - 0, Direct
// a - 0, Direct
// b - 2, Immediate
{
foot::Emulator emu = run_instructions({ 0x00200003, 0x0B200220 });
if (!check(0x0006, emu.register_at(0))) { return 1; }
}
// CNST
// dst - 0, Direct
// imm - 0x0007
//
// ARNG
// dst - 1, Direct
// a - 7, Immediate
//
// MULT
// dst - 0, Direct
// a - 0, Direct
// b - 1, Direct
{
foot::Emulator emu = run_instructions({ 0x00200007, 0x01210207, 0x0B202120 });
if (!check(0xFFFFFFCF, emu.register_at(0))) { return 1; }
}
// ARNG
// dst - 0, Direct
// a - 7, Immediate
//
// ARNG
// dst - 1, Direct
// a - 7, Immediate
//
// MULT
// dst - 0, Direct
// a - 0, Direct
// b - 1, Direct
{
foot::Emulator emu = run_instructions({ 0x01200207, 0x01210207, 0x0B202120 });
if (!check(0x31, emu.register_at(0))) { return 1; }
}
// CNST
// dst - 0, Direct
// imm - 0x0007 (3.5)
//
// CNST
// dst - 1, Direct
// imm - 0x0007 (3.5)
//
// CONF
// dst - X, Immediate
// a - 1, Immediate
//
// MULT
// dst - 0, Direct
// a - 0, Direct
// b - 1, Direct
{
foot::Emulator emu = run_instructions({ 0x00200007, 0x00210007, 0x01000401, 0x0B202120 });
// 3.5 * 3.5 = 12.25 -- truncated to 12 with 31.1 fixed-point format
if (!check(12 << 1 /* shift 1 for 31.1 fixed-point format */, emu.register_at(0))) { return 1; }
}
return 0;
}