mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-20 11:21:43 +02:00
Improve accuracy of FPU emulation slightly - still no F-Zero improvements :(
Generic code cleanup. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3458 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
parent
dcae21f692
commit
4dba267775
16 changed files with 355 additions and 383 deletions
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@ -32,7 +32,7 @@ static const u32 default_sse_state = _mm_getcsr();
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namespace MathUtil
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{
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int ClassifyFP(double dvalue)
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int ClassifyDouble(double dvalue)
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{
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// TODO: Optimize the below to be as fast as possible.
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IntDouble value;
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@ -79,6 +79,53 @@ int ClassifyFP(double dvalue)
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return 0x4;
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}
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int ClassifyFloat(float fvalue)
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{
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// TODO: Optimize the below to be as fast as possible.
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IntFloat value;
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value.f = fvalue;
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// 5 bits (C, <, >, =, ?)
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// easy cases first
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if (value.i == 0) {
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// positive zero
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return 0x2;
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} else if (value.i == 0x80000000) {
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// negative zero
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return 0x12;
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} else if (value.i == 0x7F800000) {
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// positive inf
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return 0x5;
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} else if (value.i == 0xFF800000) {
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// negative inf
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return 0x9;
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} else {
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// OK let's dissect this thing.
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int sign = value.i >> 31;
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int exp = (int)((value.i >> 23) & 0xFF);
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if (exp >= 1 && exp <= 254) {
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// Nice normalized number.
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if (sign) {
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return 0x8; // negative
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} else {
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return 0x4; // positive
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}
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}
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u64 mantissa = value.i & 0x007FFFFF;
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if (exp == 0 && mantissa) {
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// Denormalized number.
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if (sign) {
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return 0x18;
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} else {
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return 0x14;
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}
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} else if (exp == 0xFF && mantissa /* && mantissa_top*/) {
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return 0x11; // Quiet NAN
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}
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}
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return 0x4;
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}
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} // namespace
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void LoadDefaultSSEState()
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@ -98,12 +98,9 @@ enum PPCFpClass
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// Uses PowerPC conventions for the return value, so it can be easily
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// used directly in CPU emulation.
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int ClassifyFP(double dvalue);
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// TODO: More efficient float version.
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inline int ClassifyFP(float fvalue) {
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ClassifyFP((double)fvalue);
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}
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int ClassifyDouble(double dvalue);
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// More efficient float version.
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int ClassifyFloat(float fvalue);
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} // namespace MathUtil
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@ -745,16 +745,16 @@ void Callback_VideoCopiedToXFB()
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*/
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/**/
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if (FPS_To_VPS_Rate > 0 && FPS_To_VPS_Rate < ((1.0/3.0 + 1.0/2.0)/2)) FPS_To_VPS_Rate = 1.0/3.0;
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else if (FPS_To_VPS_Rate > ((1.0/3.0 + 1.0/2.0)/2) && FPS_To_VPS_Rate < ((1.0/2.0 + 1.0/1.0)/2)) FPS_To_VPS_Rate = 1.0/2.0;
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if (FPS_To_VPS_Rate > 0 && FPS_To_VPS_Rate < ((1.0f/3.0f + 1.0f/2.0f)/2)) FPS_To_VPS_Rate = 1.0f/3.0f;
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else if (FPS_To_VPS_Rate > ((1.0f/3.0f + 1.0f/2.0f)/2) && FPS_To_VPS_Rate < ((1.0f/2.0f + 1.0f/1.0f)/2)) FPS_To_VPS_Rate = 1.0/2.0;
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else FPS_To_VPS_Rate = 1.0;
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// PAL patch adjustment
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if (VideoInterface::TargetRefreshRate == 50) FPS_To_VPS_Rate = FPS_To_VPS_Rate * 1.2;
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if (VideoInterface::TargetRefreshRate == 50) FPS_To_VPS_Rate = FPS_To_VPS_Rate * 1.2f;
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float TargetFPS = FPS_To_VPS_Rate * (float)VideoInterface::TargetRefreshRate;
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float FPSPercentage = (FPS / TargetFPS) * 100.0;
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float VPSPercentage = (VideoInterface::ActualRefreshRate / (float)VideoInterface::TargetRefreshRate) * 100.0;
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float FPSPercentage = (FPS / TargetFPS) * 100.0f;
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float VPSPercentage = (VideoInterface::ActualRefreshRate / (float)VideoInterface::TargetRefreshRate) * 100.0f;
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// Settings are shown the same for both extended and summary info
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std::string SSettings = StringFromFormat(" | Core: %s %s",
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@ -338,7 +338,9 @@ static u32 LineCount = 0;
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static u32 LinesPerField = 0;
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static u64 LastTime = 0;
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static u32 NextXFBRender = 0;
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int TargetRefreshRate = 0, SyncTicksProgress = 0; float ActualRefreshRate = 0.0;
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int TargetRefreshRate = 0;
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s64 SyncTicksProgress = 0;
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float ActualRefreshRate = 0.0;
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void DoState(PointerWrap &p)
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{
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@ -1042,23 +1044,24 @@ void UpdateTiming()
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// Run when: This is run 7200 times per second on full speed
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void Update()
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{
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// Update the target refresh rate
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TargetRefreshRate = (m_DisplayControlRegister.FMT == 0 || m_DisplayControlRegister.FMT == 2)
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? 60 : 50;
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// Calculate actual refresh rate
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static u64 LastTick = 0;
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static int UpdateCheck = timeGetTime() + 1000, TickProgress = 0;
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static s64 UpdateCheck = timeGetTime() + 1000, TickProgress = 0;
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if (UpdateCheck < (int)timeGetTime())
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{
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UpdateCheck = timeGetTime() + 1000;
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TickProgress = CoreTiming::GetTicks() - LastTick;
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// Calculated CPU-GPU synced ticks for the dual core mode too
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NOTICE_LOG(VIDEO, "Removed: %s Mhz", ThS(SyncTicksProgress / 1000000, false).c_str());
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// NOTICE_LOG(VIDEO, "Removed: %s Mhz", ThS(SyncTicksProgress / 1000000, false).c_str());
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SyncTicksProgress += TickProgress;
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// Multipled by two because of the way TicksPerFrame is calculated (divided by 25 and 30
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// rather than 50 and 60)
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// TODO : Feed the FPS estimate into Iulius' framelimiter.
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ActualRefreshRate = ((float)SyncTicksProgress / (float)TicksPerFrame) * 2.0;
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LastTick = CoreTiming::GetTicks();
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SyncTicksProgress = 0;
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@ -52,7 +52,11 @@ namespace VideoInterface
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// Update and draw framebuffer(s)
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void Update();
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extern float ActualRefreshRate; extern int TargetRefreshRate, SyncTicksProgress;
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// urgh, ugly externs.
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extern float ActualRefreshRate;
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extern int TargetRefreshRate;
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extern s64 SyncTicksProgress;
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// UpdateInterrupts: check if we have to generate a new VI Interrupt
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void UpdateInterrupts();
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@ -311,7 +311,6 @@ namespace Interpreter
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// other helper
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u32 Helper_Mask(int mb, int me);
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inline bool IsNAN(double _dValue);
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extern _interpreterInstruction m_opTable[64];
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extern _interpreterInstruction m_opTable4[1024];
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@ -34,36 +34,16 @@
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#include "../../Core.h"
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#include "Interpreter.h"
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#include "MathUtil.h"
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// SUPER MONKEY BALL IS BEING A ROYAL PAIN
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// We are missing the caller of 800070ec
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// F-ZERO IS BEING A ROYAL PAIN
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// POSSIBLE APPROACHES:
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// * Full SW FPU. Urgh.
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// * Partial SW FPU, emulate just as much as necessary for monkey ball. Feasible but a lot of work.
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// * HLE hacking. Figure out what all the evil functions really do and fake them. DONE (well, works okay-ish)
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// * Partial SW FPU, emulate just as much as necessary for f-zero. Feasible, I guess.
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// * HLE hacking. Figure out what all the evil functions really do and fake them.
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// This worked well for Monkey Ball, not so much for F-Zero.
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// Interesting places in Super Monkey Ball:
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// 80036654: fctwixz stuff
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// 80007e08:
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// -98: Various entry points that loads various odd fp values into f1
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// 800070b0: Estimate inverse square root.
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// 800070ec: Examine f1. Reads a value out of locked cache into f2 (fixed address). Some cases causes us to call the above thing.
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// If all goes well, jump to 70b0, which estimates the inverse square root.
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// Then multiply the loaded variable with the original value of f1. Result should be the square root. (1 / sqrt(x)) * x = x / sqrt(x) = sqrt(x)
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// 8000712c: Similar, but does not do the multiply at the end, just an frspx.
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// 8000716c: Sort of similar, but has extra junk at the end.
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//
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//
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// 800072a4 - nightmare of nightmares
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// Fun stuff used:
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// bso+
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// mcrfs (ARGH pulls stuff out of .. FPSCR). it uses this to check the result of frsp mostly (!!!!)
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// crclr
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// crset
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// crxor
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// fnabs
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// Super Monkey Ball reads FPRF & friends after fmadds, fmuls, frspx
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// WHY do the FR & FI flags affect it so much?
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using namespace MathUtil;
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namespace Interpreter
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{
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@ -71,112 +51,68 @@ namespace Interpreter
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void UpdateFPSCR(UReg_FPSCR fp);
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void UpdateSSEState();
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// start of unit test - Dolphin needs more of these!
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/*
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void TestFPRF()
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{
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UpdateFPRF(1.0);
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if (FPSCR.FPRF != 0x4)
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PanicAlert("Error 1");
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UpdateFPRF(-1.0);
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if (FPSCR.FPRF != 0x8)
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PanicAlert("Error 2");
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PanicAlert("Test done");
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}*/
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// extremely rare
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// Extremely rare - actually, never seen.
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void Helper_UpdateCR1(double _fValue)
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{
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// Should just update exception flags, not do any compares.
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PanicAlert("CR1");
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}
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inline bool IsNAN(double _dValue)
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{
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return _dValue != _dValue;
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}
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inline bool _IsNAN(float x) {
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//return ((*(u32*)&x) & 0x7f800000UL) == 0x7f800000UL && ((*(u32*)&x) & 0x007fffffUL);
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return x != x;
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}
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void fcmpo(UGeckoInstruction _inst)
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{
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/*
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float fa = static_cast<float>(rPS0(_inst.FA));
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float fb = static_cast<float>(rPS0(_inst.FB));
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// normalize
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if (((*(u32*)&fa) & 0x7f800000UL) == 0) (*(u32*)&fa) &= 0x80000000UL;
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if (((*(u32*)&fb) & 0x7f800000UL) == 0) (*(u32*)&fb) &= 0x80000000UL;
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*/
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// Use FlushToZeroAsFloat() to fix a couple of games - but seriously,
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// the real problem should be fixed instead.
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double fa = rPS0(_inst.FA);
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double fb = rPS0(_inst.FB);
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// normalize if conversion to float gives denormalized number
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if ((riPS0(_inst.FA) & 0x7ff0000000000000ULL) < 0x3800000000000000ULL)
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riPS0(_inst.FA) &= 0x8000000000000000ULL;
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if ((riPS0(_inst.FB) & 0x7ff0000000000000ULL) < 0x3800000000000000ULL)
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riPS0(_inst.FB) &= 0x8000000000000000ULL;
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double fa = rPS0(_inst.FA);
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double fb = rPS0(_inst.FB);
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u32 compareResult;
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if (IsNAN(fa) || IsNAN(fb)) compareResult = 1;
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else if (fa < fb) compareResult = 8;
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else if (fa > fb) compareResult = 4;
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else compareResult = 2;
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int compareResult;
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if (IsNAN(fa) || IsNAN(fb))
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{
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FPSCR.FX = 1;
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compareResult = 1;
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if (IsSNAN(fa) || IsSNAN(fb))
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{
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FPSCR.VXSNAN = 1;
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if (!FPSCR.FEX || IsQNAN(fa) || IsQNAN(fb))
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FPSCR.VXVC = 1;
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}
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}
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else if (fa < fb) compareResult = 8;
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else if (fa > fb) compareResult = 4;
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else compareResult = 2;
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FPSCR.FPRF = compareResult;
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SetCRField(_inst.CRFD, compareResult);
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/* missing part
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if ((frA) is an SNaN or (frB) is an SNaN )
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then VXSNAN ¬ 1
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if VE = 0
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then VXVC ¬ 1
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else if ((frA) is a QNaN or (frB) is a QNaN )
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then VXVC ¬ 1 */
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}
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void fcmpu(UGeckoInstruction _inst)
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{
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// Use FlushToZeroAsFloat() to fix a couple of games - but seriously,
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// the real problem should be fixed instead.
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double fa = rPS0(_inst.FA);
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double fb = rPS0(_inst.FB);
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/*
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float fa = static_cast<float>(rPS0(_inst.FA));
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float fb = static_cast<float>(rPS0(_inst.FB));
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// normalize
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if (((*(u32*)&fa) & 0x7f800000UL) == 0) (*(u32*)&fa) &= 0x80000000UL;
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if (((*(u32*)&fb) & 0x7f800000UL) == 0) (*(u32*)&fb) &= 0x80000000UL;
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*/
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// normalize if conversion to float gives denormalized number
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if ((riPS0(_inst.FA) & 0x7ff0000000000000ULL) < 0x3800000000000000ULL)
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riPS0(_inst.FA) &= 0x8000000000000000ULL;
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if ((riPS0(_inst.FB) & 0x7ff0000000000000ULL) < 0x3800000000000000ULL)
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riPS0(_inst.FB) &= 0x8000000000000000ULL;
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double fa = rPS0(_inst.FA);
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double fb = rPS0(_inst.FB);
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u32 compareResult;
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if (IsNAN(fa) || IsNAN(fb)) compareResult = 1;
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int compareResult;
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if (IsNAN(fa) || IsNAN(fb))
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{
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FPSCR.FX = 1;
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compareResult = 1;
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if (IsSNAN(fa) || IsSNAN(fb))
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{
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FPSCR.VXSNAN = 1;
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}
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}
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else if (fa < fb) compareResult = 8;
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else if (fa > fb) compareResult = 4;
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else compareResult = 2;
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FPSCR.FPRF = compareResult;
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SetCRField(_inst.CRFD, compareResult);
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/* missing part
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if ((frA) is an SNaN or (frB) is an SNaN)
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then VXSNAN ¬ 1 */
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}
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// Apply current rounding mode
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void fctiwx(UGeckoInstruction _inst)
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{
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//UpdateSSEState();
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const double b = rPS0(_inst.FB);
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u32 value;
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if (b > (double)0x7fffffff)
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@ -215,7 +151,6 @@ largest representable int on PowerPC. */
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// Always round toward zero
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void fctiwzx(UGeckoInstruction _inst)
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{
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//UpdateSSEState();
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const double b = rPS0(_inst.FB);
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u32 value;
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if (b > (double)0x7fffffff)
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@ -282,76 +217,14 @@ void fselx(UGeckoInstruction _inst)
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// !!! warning !!!
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// PS1 must be set to the value of PS0 or DragonballZ will be f**ked up
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// PS1 is said to be undefined
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// Super Monkey Ball is using this to do wacky tricks so we need 100% correct emulation.
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void frspx(UGeckoInstruction _inst) // round to single
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{
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if (true || FPSCR.RN != 0)
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{
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// Not used in Super Monkey Ball
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// UpdateSSEState();
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double b = rPS0(_inst.FB);
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double rounded = (double)(float)b;
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//FPSCR.FI = b != rounded; // changing both of these affect Super Monkey Ball behaviour greatly.
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if (Core::g_CoreStartupParameter.bEnableFPRF)
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UpdateFPRF(rounded);
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rPS0(_inst.FD) = rPS1(_inst.FD) = rounded;
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return;
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// PanicAlert("frspx: FPSCR.RN=%i", FPSCR.RN);
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}
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// OK, let's try it in 100% software! Not yet working right.
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union {
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double d;
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u64 i;
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} in, out;
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in.d = rPS0(_inst.FB);
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out = in;
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int sign = (int)(in.i >> 63);
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int exp = (int)((in.i >> 52) & 0x7FF);
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u64 mantissa = in.i & 0x000FFFFFFFFFFFFFULL;
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u64 mantissa_single = mantissa & 0x000FFFFFE0000000ULL;
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u64 leftover_single = mantissa & 0x000000001FFFFFFFULL;
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// OK. First make sure that we have a "normal" number.
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if (exp >= 1 && exp <= 2046) {
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// OK. Check for overflow. TODO
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FPSCR.FI = leftover_single != 0; // Inexact
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if (leftover_single >= 0x10000000ULL) {
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//PanicAlert("rounding up");
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FPSCR.FR = 1;
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mantissa_single += 0x20000000;
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if (mantissa_single & 0x0010000000000000ULL) {
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// PanicAlert("renormalizing");
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mantissa_single >>= 1;
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exp += 1;
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// if (exp > 2046) { OVERFLOW }
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}
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}
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out.i = ((u64)sign << 63) | ((u64)exp << 52) | mantissa_single;
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} else {
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if (!exp && !mantissa) {
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// Positive or negative Zero. All is well.
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FPSCR.FI = 0;
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FPSCR.FR = 0;
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} else if (exp == 0 && mantissa) {
|
||||
// Denormalized number.
|
||||
PanicAlert("denorm");
|
||||
} else if (exp == 2047 && !mantissa) {
|
||||
// Infinite.
|
||||
//PanicAlert("infinite");
|
||||
FPSCR.FI = 1;
|
||||
FPSCR.FR = 1;
|
||||
// FPSCR.OX = 1;
|
||||
} else {
|
||||
//PanicAlert("NAN %08x %08x", in.i >> 32, in.i);
|
||||
}
|
||||
}
|
||||
|
||||
UpdateFPRF(out.d);
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = out.d;
|
||||
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
double b = rPS0(_inst.FB);
|
||||
double rounded = (double)(float)b;
|
||||
//FPSCR.FI = b != rounded;
|
||||
UpdateFPRF(rounded);
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = rounded;
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -394,11 +267,13 @@ void fmaddsx(UGeckoInstruction _inst)
|
|||
void faddx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS0(_inst.FA) + rPS0(_inst.FB);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void faddsx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = static_cast<float>(rPS0(_inst.FA) + rPS0(_inst.FB));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
@ -407,51 +282,79 @@ void fdivx(UGeckoInstruction _inst)
|
|||
{
|
||||
double a = rPS0(_inst.FA);
|
||||
double b = rPS0(_inst.FB);
|
||||
if (a == 0.0f && b == 0.0f)
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = 0.0; // NAN?
|
||||
else
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = a / b;
|
||||
if (fabs(rPS0(_inst.FB)) == 0.0) {
|
||||
if (!FPSCR.ZX)
|
||||
FPSCR.FX = 1;
|
||||
FPSCR.ZX = 1;
|
||||
FPSCR.XX = 1;
|
||||
}
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void fdivsx(UGeckoInstruction _inst)
|
||||
{
|
||||
float a = rPS0(_inst.FA);
|
||||
float b = rPS0(_inst.FB);
|
||||
if (a != a || b != b)
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = 0.0; // NAN?
|
||||
else
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = a / b;
|
||||
rPS0(_inst.FD) = a / b;
|
||||
if (b == 0.0) {
|
||||
if (!FPSCR.ZX)
|
||||
FPSCR.FX = 1;
|
||||
FPSCR.ZX = 1;
|
||||
FPSCR.XX = 1;
|
||||
}
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void fresx(UGeckoInstruction _inst)
|
||||
void fdivsx(UGeckoInstruction _inst)
|
||||
{
|
||||
double b = rPS0(_inst.FB);
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = 1.0 / b;
|
||||
if (fabs(rPS0(_inst.FB)) == 0.0) {
|
||||
float a = (float)rPS0(_inst.FA);
|
||||
float b = (float)rPS0(_inst.FB);
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = a / b;
|
||||
if (b == 0.0)
|
||||
{
|
||||
if (!FPSCR.ZX)
|
||||
FPSCR.FX = 1;
|
||||
FPSCR.ZX = 1;
|
||||
FPSCR.XX = 1;
|
||||
}
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
// Single precision only.
|
||||
void fresx(UGeckoInstruction _inst)
|
||||
{
|
||||
float b = (float)rPS0(_inst.FB);
|
||||
float one_over = 1.0f / b;
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = one_over;
|
||||
if (b == 0.0)
|
||||
{
|
||||
if (!FPSCR.ZX)
|
||||
FPSCR.FX = 1;
|
||||
FPSCR.ZX = 1;
|
||||
FPSCR.XX = 1;
|
||||
}
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void frsqrtex(UGeckoInstruction _inst)
|
||||
{
|
||||
float b = (float)rPS0(_inst.FB);
|
||||
if (b < 0.0) {
|
||||
FPSCR.VXSQRT = 1;
|
||||
} else if (b == 0) {
|
||||
FPSCR.ZX = 1;
|
||||
}
|
||||
rPS0(_inst.FD) = 1.0f / sqrtf(b);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void fsqrtx(UGeckoInstruction _inst)
|
||||
{
|
||||
// GEKKO is not supposed to support this instruction.
|
||||
// PanicAlert("fsqrtx");
|
||||
double b = rPS0(_inst.FB);
|
||||
if (b < 0.0) {
|
||||
FPSCR.VXSQRT = 1;
|
||||
}
|
||||
rPS0(_inst.FD) = sqrt(b);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void fmsubx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = (rPS0(_inst.FA) * rPS0(_inst.FC)) - rPS0(_inst.FB);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
@ -459,6 +362,7 @@ void fmsubsx(UGeckoInstruction _inst)
|
|||
{
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) =
|
||||
static_cast<float>((rPS0(_inst.FA) * rPS0(_inst.FC)) - rPS0(_inst.FB));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
@ -466,12 +370,14 @@ void fmsubsx(UGeckoInstruction _inst)
|
|||
void fnmaddx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = -((rPS0(_inst.FA) * rPS0(_inst.FC)) + rPS0(_inst.FB));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void fnmaddsx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) =
|
||||
static_cast<float>(-((rPS0(_inst.FA) * rPS0(_inst.FC)) + rPS0(_inst.FB)));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
@ -479,12 +385,14 @@ void fnmaddsx(UGeckoInstruction _inst)
|
|||
void fnmsubx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = -((rPS0(_inst.FA) * rPS0(_inst.FC)) - rPS0(_inst.FB));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void fnmsubsx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) =
|
||||
static_cast<float>(-((rPS0(_inst.FA) * rPS0(_inst.FC)) - rPS0(_inst.FB)));
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
@ -492,32 +400,13 @@ void fnmsubsx(UGeckoInstruction _inst)
|
|||
void fsubx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS0(_inst.FA) - rPS0(_inst.FB);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
void fsubsx(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS1(_inst.FD) = static_cast<float>(rPS0(_inst.FA) - rPS0(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void frsqrtex(UGeckoInstruction _inst)
|
||||
{
|
||||
double b = rPS0(_inst.FB);
|
||||
if (b <= 0.0)
|
||||
rPS0(_inst.FD) = 0.0;
|
||||
else
|
||||
rPS0(_inst.FD) = 1.0f / (sqrt(b));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void fsqrtx(UGeckoInstruction _inst)
|
||||
{
|
||||
double b = rPS0(_inst.FB);
|
||||
if (b < 0.0)
|
||||
{
|
||||
FPSCR.VXSQRT = 1;
|
||||
}
|
||||
rPS0(_inst.FD) = sqrt(b);
|
||||
UpdateFPRF(rPS0(_inst.FD));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -493,7 +493,7 @@ void divwux(UGeckoInstruction _inst)
|
|||
u32 a = m_GPR[_inst.RA];
|
||||
u32 b = m_GPR[_inst.RB];
|
||||
|
||||
if (b == 0 || (a == 0x80000000 && b == 0xFFFFFFFF))
|
||||
if (b == 0) // || (a == 0x80000000 && b == 0xFFFFFFFF))
|
||||
{
|
||||
if (_inst.OE)
|
||||
PanicAlert("OE: divwux");
|
||||
|
|
|
|||
|
|
@ -15,6 +15,9 @@
|
|||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include "Common.h"
|
||||
#include "MathUtil.h"
|
||||
|
||||
#include "../../HW/Memmap.h"
|
||||
#include "../../HW/CommandProcessor.h"
|
||||
#include "../../HW/PixelEngine.h"
|
||||
|
|
@ -92,16 +95,18 @@ void lfdx(UGeckoInstruction _inst)
|
|||
void lfs(UGeckoInstruction _inst)
|
||||
{
|
||||
u32 uTemp = Memory::Read_U32(Helper_Get_EA(_inst));
|
||||
rPS0(_inst.FD) = *(float*)&uTemp;
|
||||
rPS1(_inst.FD) = rPS0(_inst.FD);
|
||||
double value = *(float*)&uTemp;
|
||||
rPS0(_inst.FD) = value;
|
||||
rPS1(_inst.FD) = value;
|
||||
}
|
||||
|
||||
void lfsu(UGeckoInstruction _inst)
|
||||
{
|
||||
u32 uAddress = Helper_Get_EA_U(_inst);
|
||||
u32 uTemp = Memory::Read_U32(uAddress);
|
||||
rPS0(_inst.FD) = *(float*)&uTemp;
|
||||
rPS1(_inst.FD) = rPS0(_inst.FD);
|
||||
double value = *(float*)&uTemp;
|
||||
rPS0(_inst.FD) = value;
|
||||
rPS1(_inst.FD) = value;
|
||||
m_GPR[_inst.RA] = uAddress;
|
||||
}
|
||||
|
||||
|
|
@ -109,16 +114,18 @@ void lfsux(UGeckoInstruction _inst)
|
|||
{
|
||||
u32 uAddress = Helper_Get_EA_UX(_inst);
|
||||
u32 uTemp = Memory::Read_U32(uAddress);
|
||||
rPS0(_inst.FD) = *(float*)&uTemp;
|
||||
rPS1(_inst.FD) = rPS0(_inst.FD);
|
||||
double value = *(float*)&uTemp;
|
||||
rPS0(_inst.FD) = value;
|
||||
rPS1(_inst.FD) = value;
|
||||
m_GPR[_inst.RA] = uAddress;
|
||||
}
|
||||
|
||||
void lfsx(UGeckoInstruction _inst)
|
||||
{
|
||||
u32 uTemp = Memory::Read_U32(Helper_Get_EA_X(_inst));
|
||||
rPS0(_inst.FD) = *(float*)&uTemp;
|
||||
rPS1(_inst.FD) = rPS0(_inst.FD);
|
||||
double value = *(float*)&uTemp;
|
||||
rPS0(_inst.FD) = value;
|
||||
rPS1(_inst.FD) = value;
|
||||
}
|
||||
|
||||
void lha(UGeckoInstruction _inst)
|
||||
|
|
@ -227,7 +234,8 @@ void stfdu(UGeckoInstruction _inst)
|
|||
|
||||
void stfs(UGeckoInstruction _inst)
|
||||
{
|
||||
float fTemp = (float)rPS0(_inst.FS);
|
||||
double value = rPS0(_inst.FS);
|
||||
float fTemp = (float)value;
|
||||
Memory::Write_U32(*(u32*)&fTemp, Helper_Get_EA(_inst));
|
||||
}
|
||||
|
||||
|
|
@ -453,27 +461,20 @@ void stfiwx(UGeckoInstruction _inst)
|
|||
Memory::Write_U32((u32)riPS0(_inst.FS), uAddress);
|
||||
}
|
||||
|
||||
// __________________________________________________________________________________________________
|
||||
// stfsux
|
||||
//
|
||||
// no paired ??
|
||||
//
|
||||
|
||||
void stfsux(UGeckoInstruction _inst)
|
||||
{
|
||||
float fTemp = (float)rPS0(_inst.FS);
|
||||
double value = rPS0(_inst.FS);
|
||||
float fTemp = (float)value;
|
||||
u32 uAddress = Helper_Get_EA_UX(_inst);
|
||||
Memory::Write_U32(*(u32*)&fTemp, uAddress);
|
||||
m_GPR[_inst.RA] = uAddress;
|
||||
}
|
||||
|
||||
// __________________________________________________________________________________________________
|
||||
// stfsx
|
||||
//
|
||||
// no paired ??
|
||||
//
|
||||
void stfsx(UGeckoInstruction _inst)
|
||||
{
|
||||
float fTemp = (float)rPS0(_inst.FS);
|
||||
double value = rPS0(_inst.FS);
|
||||
float fTemp = (float)value;
|
||||
Memory::Write_U32(*(u32 *)&fTemp, Helper_Get_EA_X(_inst));
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -16,41 +16,52 @@
|
|||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include <math.h>
|
||||
#include "Common.h"
|
||||
#include "MathUtil.h"
|
||||
#include "Interpreter.h"
|
||||
#include "../../HW/Memmap.h"
|
||||
|
||||
using namespace MathUtil;
|
||||
|
||||
namespace Interpreter
|
||||
{
|
||||
|
||||
// These "binary instructions" do not alter FPSCR.
|
||||
void ps_sel(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>((rPS0(_inst.FA) >= -0.0) ? rPS0(_inst.FC) : rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>((rPS1(_inst.FA) >= -0.0) ? rPS1(_inst.FC) : rPS1(_inst.FB));
|
||||
rPS0(_inst.FD) = !IsNAN(rPS0(_inst.FA)) && rPS0(_inst.FA) >= -0.0 ?
|
||||
rPS0(_inst.FC) : rPS0(_inst.FB);
|
||||
rPS1(_inst.FD) = !IsNAN(rPS1(_inst.FA)) && rPS1(_inst.FA) >= -0.0 ?
|
||||
rPS1(_inst.FC) : rPS1(_inst.FB);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_neg(UGeckoInstruction _inst)
|
||||
{
|
||||
riPS0(_inst.FD) = riPS0(_inst.FB) ^ (1ULL << 63);
|
||||
riPS1(_inst.FD) = riPS1(_inst.FB) ^ (1ULL << 63);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_mr(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = rPS0(_inst.FB);
|
||||
rPS1(_inst.FD) = rPS1(_inst.FB);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_nabs(UGeckoInstruction _inst)
|
||||
{
|
||||
riPS0(_inst.FD) = riPS0(_inst.FB) | (1ULL << 63);
|
||||
riPS1(_inst.FD) = riPS1(_inst.FB) | (1ULL << 63);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_abs(UGeckoInstruction _inst)
|
||||
{
|
||||
riPS0(_inst.FD) = riPS0(_inst.FB) &~ (1ULL << 63);
|
||||
riPS1(_inst.FD) = riPS1(_inst.FB) &~ (1ULL << 63);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
// These are just moves, double is OK.
|
||||
|
|
@ -60,6 +71,7 @@ void ps_merge00(UGeckoInstruction _inst)
|
|||
double p1 = rPS0(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_merge01(UGeckoInstruction _inst)
|
||||
|
|
@ -68,6 +80,7 @@ void ps_merge01(UGeckoInstruction _inst)
|
|||
double p1 = rPS1(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_merge10(UGeckoInstruction _inst)
|
||||
|
|
@ -76,6 +89,7 @@ void ps_merge10(UGeckoInstruction _inst)
|
|||
double p1 = rPS0(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_merge11(UGeckoInstruction _inst)
|
||||
|
|
@ -84,6 +98,7 @@ void ps_merge11(UGeckoInstruction _inst)
|
|||
double p1 = rPS1(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -97,63 +112,75 @@ void ps_div(UGeckoInstruction _inst)
|
|||
if (fabs(rPS0(_inst.FB)) == 0.0) {
|
||||
FPSCR.ZX = 1;
|
||||
}
|
||||
}
|
||||
|
||||
void ps_sub(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) - rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) - rPS1(_inst.FB));
|
||||
}
|
||||
|
||||
void ps_add(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) + rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) + rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_res(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = 1.0f / static_cast<float>(rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = 1.0f / static_cast<float>(rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_rsqrte(UGeckoInstruction _inst)
|
||||
{
|
||||
// PanicAlert("ps_rsqrte");
|
||||
rPS0(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS0(_inst.FB)));
|
||||
rPS1(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS1(_inst.FB)));
|
||||
if (fabs(rPS0(_inst.FB)) == 0.0) {
|
||||
FPSCR.ZX = 1;
|
||||
}
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_sub(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) - rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) - rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_add(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) + rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) + rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_mul(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(rPS0(_inst.FA) * rPS0(_inst.FC));
|
||||
rPS1(_inst.FD) = static_cast<float>(rPS1(_inst.FA) * rPS1(_inst.FC));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_rsqrte(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS0(_inst.FB)));
|
||||
rPS1(_inst.FD) = static_cast<double>(1.0f / sqrtf((float)rPS1(_inst.FB)));
|
||||
if (fabs(rPS0(_inst.FB)) == 0.0) {
|
||||
FPSCR.ZX = 1;
|
||||
}
|
||||
}
|
||||
|
||||
void ps_msub(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>((rPS0(_inst.FA) * rPS0(_inst.FC)) - rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>((rPS1(_inst.FA) * rPS1(_inst.FC)) - rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_madd(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>((rPS0(_inst.FA) * rPS0(_inst.FC)) + rPS0(_inst.FB));
|
||||
rPS1(_inst.FD) = static_cast<float>((rPS1(_inst.FA) * rPS1(_inst.FC)) + rPS1(_inst.FB));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_nmsub(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(-(rPS0(_inst.FA) * rPS0(_inst.FC) - rPS0(_inst.FB)));
|
||||
rPS1(_inst.FD) = static_cast<float>(-(rPS1(_inst.FA) * rPS1(_inst.FC) - rPS1(_inst.FB)));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_nmadd(UGeckoInstruction _inst)
|
||||
{
|
||||
rPS0(_inst.FD) = static_cast<float>(-(rPS0(_inst.FA) * rPS0(_inst.FC) + rPS0(_inst.FB)));
|
||||
rPS1(_inst.FD) = static_cast<float>(-(rPS1(_inst.FA) * rPS1(_inst.FC) + rPS1(_inst.FB)));
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_sum0(UGeckoInstruction _inst)
|
||||
|
|
@ -162,6 +189,7 @@ void ps_sum0(UGeckoInstruction _inst)
|
|||
double p1 = (float)(rPS1(_inst.FC));
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_sum1(UGeckoInstruction _inst)
|
||||
|
|
@ -170,6 +198,7 @@ void ps_sum1(UGeckoInstruction _inst)
|
|||
double p1 = rPS0(_inst.FA) + rPS1(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_muls0(UGeckoInstruction _inst)
|
||||
|
|
@ -178,6 +207,7 @@ void ps_muls0(UGeckoInstruction _inst)
|
|||
double p1 = rPS1(_inst.FA) * rPS0(_inst.FC);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_muls1(UGeckoInstruction _inst)
|
||||
|
|
@ -186,6 +216,7 @@ void ps_muls1(UGeckoInstruction _inst)
|
|||
double p1 = rPS1(_inst.FA) * rPS1(_inst.FC);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_madds0(UGeckoInstruction _inst)
|
||||
|
|
@ -194,6 +225,7 @@ void ps_madds0(UGeckoInstruction _inst)
|
|||
double p1 = (rPS1(_inst.FA) * rPS0(_inst.FC)) + rPS1(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_madds1(UGeckoInstruction _inst)
|
||||
|
|
@ -202,6 +234,7 @@ void ps_madds1(UGeckoInstruction _inst)
|
|||
double p1 = (rPS1(_inst.FA) * rPS1(_inst.FC)) + rPS1(_inst.FB);
|
||||
rPS0(_inst.FD) = p0;
|
||||
rPS1(_inst.FD) = p1;
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_cmpu0(UGeckoInstruction _inst)
|
||||
|
|
@ -209,10 +242,12 @@ void ps_cmpu0(UGeckoInstruction _inst)
|
|||
double fa = rPS0(_inst.FA);
|
||||
double fb = rPS0(_inst.FB);
|
||||
int compareResult;
|
||||
if (fa < fb) compareResult = 8;
|
||||
else if (fa > fb) compareResult = 4;
|
||||
else compareResult = 2;
|
||||
if (IsNAN(fa) || IsNAN(fb)) compareResult = 1;
|
||||
else if (fa < fb) compareResult = 8;
|
||||
else if (fa > fb) compareResult = 4;
|
||||
else compareResult = 2;
|
||||
SetCRField(_inst.CRFD, compareResult);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_cmpo0(UGeckoInstruction _inst)
|
||||
|
|
@ -226,10 +261,12 @@ void ps_cmpu1(UGeckoInstruction _inst)
|
|||
double fa = rPS1(_inst.FA);
|
||||
double fb = rPS1(_inst.FB);
|
||||
int compareResult;
|
||||
if (fa < fb) compareResult = 8;
|
||||
else if (fa > fb) compareResult = 4;
|
||||
else compareResult = 2;
|
||||
if (IsNAN(fa) || IsNAN(fb)) compareResult = 1;
|
||||
else if (fa < fb) compareResult = 8;
|
||||
else if (fa > fb) compareResult = 4;
|
||||
else compareResult = 2;
|
||||
SetCRField(_inst.CRFD, compareResult);
|
||||
if (_inst.Rc) Helper_UpdateCR1(rPS0(_inst.FD));
|
||||
}
|
||||
|
||||
void ps_cmpo1(UGeckoInstruction _inst)
|
||||
|
|
|
|||
|
|
@ -35,6 +35,7 @@ static const unsigned short FPU_ROUND_MASK = 3 << 10;
|
|||
#include <xmmintrin.h>
|
||||
#endif
|
||||
|
||||
#include "CPUDetect.h"
|
||||
#include "../../CoreTiming.h"
|
||||
#include "../../HW/Memmap.h"
|
||||
#include "../../HW/GPFifo.h"
|
||||
|
|
@ -60,37 +61,11 @@ mffsx: 80036650 (huh?)
|
|||
namespace Interpreter
|
||||
{
|
||||
|
||||
void UpdateSSEState()
|
||||
{
|
||||
u32 csr = _mm_getcsr();
|
||||
|
||||
const int ssetable[4] =
|
||||
{
|
||||
0,
|
||||
3,
|
||||
2,
|
||||
1,
|
||||
};
|
||||
csr = csr & 0x9FFF;
|
||||
csr |= ssetable[FPSCR.RN] << 13;
|
||||
const u32 MASKS = 0x1F80; // mask away the interrupts.
|
||||
const u32 DAZ = 0x40;
|
||||
const u32 FTZ = 0x8000;
|
||||
|
||||
// Also handle denormals as zero (FZ + DAZ)
|
||||
csr &= ~0x8020;
|
||||
|
||||
// SETTING FTZ+DAZ KILLS BEYOND GOOD AND EVIL
|
||||
//if (daz)
|
||||
// csr |= 0x20; // Only set DAZ //0x8020;
|
||||
|
||||
_mm_setcsr(csr);
|
||||
}
|
||||
|
||||
void RestoreSSEState()
|
||||
{
|
||||
// A reasonable default
|
||||
_mm_setcsr(0x1fa0);
|
||||
}
|
||||
|
||||
void UpdateFPSCR(UReg_FPSCR fp)
|
||||
void FPSCRtoFPUSettings(UReg_FPSCR fp)
|
||||
{
|
||||
// Set FPU rounding mode to mimic the PowerPC's
|
||||
#ifdef _M_IX86
|
||||
|
|
@ -120,12 +95,28 @@ void UpdateFPSCR(UReg_FPSCR fp)
|
|||
#endif
|
||||
if (fp.VE || fp.OE || fp.UE || fp.ZE || fp.XE)
|
||||
{
|
||||
// PanicAlert("FPSCR - exceptions enabled. Please report.");
|
||||
//PanicAlert("FPSCR - exceptions enabled. Please report. VE=%i OE=%i UE=%i ZE=%i XE=%i",
|
||||
// fp.VE, fp.OE, fp.UE, fp.ZE, fp.XE);
|
||||
// Pokemon Colosseum does this. Gah.
|
||||
}
|
||||
|
||||
// Also corresponding SSE rounding mode setting
|
||||
UpdateSSEState();
|
||||
static const u32 ssetable[4] =
|
||||
{
|
||||
(0 << 13) | MASKS,
|
||||
(3 << 13) | MASKS,
|
||||
(2 << 13) | MASKS,
|
||||
(1 << 13) | MASKS,
|
||||
};
|
||||
u32 csr = ssetable[FPSCR.RN];
|
||||
if (FPSCR.NI)
|
||||
{
|
||||
// Either one of these two breaks Beyond Good & Evil.
|
||||
// if (cpu_info.bSSSE3)
|
||||
// csr |= DAZ;
|
||||
// csr |= FTZ;
|
||||
}
|
||||
_mm_setcsr(csr);
|
||||
}
|
||||
|
||||
void mcrfs(UGeckoInstruction _inst)
|
||||
|
|
@ -158,25 +149,9 @@ void mcrfs(UGeckoInstruction _inst)
|
|||
break;
|
||||
}
|
||||
SetCRField(_inst.CRFD, fpflags);
|
||||
UpdateFPSCR(FPSCR);
|
||||
FPSCRtoFPUSettings(FPSCR);
|
||||
}
|
||||
|
||||
#define MXCSR_IE 1
|
||||
#define MXCSR_DE 2 // denormal
|
||||
#define MXCSR_ZE 4 // divide by zero, sticky
|
||||
#define MXCSR_OE 8 // overflow
|
||||
#define MXCSR_UE 16 // underflow
|
||||
#define MXCSR_PE 32 // precision
|
||||
#define MXCSR_DAZ 64
|
||||
#define MXCSR_IM 128
|
||||
#define MXCSR_DM 256
|
||||
#define MXCSR_ZM 512
|
||||
#define MXCSR_OM 1024
|
||||
#define MXCSR_UM 2048
|
||||
#define MXCSR_PM 4096
|
||||
#define MXCSR_ROUND (16384|8192)
|
||||
#define MXCSR_FLUSH 32768
|
||||
|
||||
void mffsx(UGeckoInstruction _inst)
|
||||
{
|
||||
// load from FPSCR
|
||||
|
|
@ -190,14 +165,14 @@ void mffsx(UGeckoInstruction _inst)
|
|||
void mtfsb0x(UGeckoInstruction _inst)
|
||||
{
|
||||
FPSCR.Hex &= (~(0x80000000 >> _inst.CRBD));
|
||||
UpdateFPSCR(FPSCR);
|
||||
FPSCRtoFPUSettings(FPSCR);
|
||||
if (_inst.Rc) PanicAlert("mtfsb0x: inst_.Rc");
|
||||
}
|
||||
|
||||
void mtfsb1x(UGeckoInstruction _inst)
|
||||
{
|
||||
FPSCR.Hex |= 0x80000000 >> _inst.CRBD;
|
||||
UpdateFPSCR(FPSCR);
|
||||
FPSCRtoFPUSettings(FPSCR);
|
||||
if (_inst.Rc) PanicAlert("mtfsb1x: inst_.Rc");
|
||||
}
|
||||
|
||||
|
|
@ -206,7 +181,7 @@ void mtfsfix(UGeckoInstruction _inst)
|
|||
u32 mask = (0xF0000000 >> (4 * _inst.CRFD));
|
||||
u32 imm = (_inst.hex << 16) & 0xF0000000;
|
||||
FPSCR.Hex = (FPSCR.Hex & ~mask) | (imm >> (4 * _inst.CRFD));
|
||||
UpdateFPSCR(FPSCR);
|
||||
FPSCRtoFPUSettings(FPSCR);
|
||||
if (_inst.Rc) PanicAlert("mtfsfix: inst_.Rc");
|
||||
}
|
||||
|
||||
|
|
@ -214,13 +189,14 @@ void mtfsfx(UGeckoInstruction _inst)
|
|||
{
|
||||
u32 fm = _inst.FM;
|
||||
u32 m = 0;
|
||||
for (int i = 0; i < 8; i++) { //7?? todo check
|
||||
for (int i = 0; i < 8; i++) //7?? todo check
|
||||
{
|
||||
if (fm & (1 << i))
|
||||
m |= (0xF << (i*4));
|
||||
m |= (0xF << (i * 4));
|
||||
}
|
||||
|
||||
FPSCR.Hex = (FPSCR.Hex & ~m) | ((u32)(riPS0(_inst.FB)) & m);
|
||||
UpdateFPSCR(FPSCR);
|
||||
FPSCRtoFPUSettings(FPSCR);
|
||||
if (_inst.Rc) PanicAlert("mtfsfx: inst_.Rc");
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -363,7 +363,7 @@ void OnIdleIL()
|
|||
|
||||
void UpdateFPRF(double dvalue)
|
||||
{
|
||||
FPSCR.FPRF = MathUtil::ClassifyFP(dvalue);
|
||||
FPSCR.FPRF = MathUtil::ClassifyDouble(dvalue);
|
||||
//if (FPSCR.FPRF == 0x11)
|
||||
// PanicAlert("QNAN alert");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -122,6 +122,10 @@
|
|||
RelativePath=".\ConsoleHelper.h"
|
||||
>
|
||||
</File>
|
||||
<File
|
||||
RelativePath=".\tests\dsp_base.inc"
|
||||
>
|
||||
</File>
|
||||
<File
|
||||
RelativePath=".\dsp_interface.cpp"
|
||||
>
|
||||
|
|
|
|||
|
|
@ -13,30 +13,30 @@
|
|||
// If not, see http://www.gnu.org/licenses/
|
||||
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include "Config.h" // Local
|
||||
#include "Globals.h"
|
||||
#include "DSPHandler.h"
|
||||
#include "HLEMixer.h"
|
||||
|
||||
void HLEMixer::MixUCode(short *samples, int numSamples) {
|
||||
// if this was called directly from the HLE, and not by timeout
|
||||
if (g_Config.m_EnableHLEAudio && IsHLEReady()) {
|
||||
IUCode* pUCode = CDSPHandler::GetInstance().GetUCode();
|
||||
if (pUCode != NULL)
|
||||
pUCode->MixAdd(samples, numSamples);
|
||||
}
|
||||
}
|
||||
|
||||
void HLEMixer::Premix(short *samples, int numSamples) {
|
||||
|
||||
// first get the DTK Music
|
||||
// if (g_Config.m_EnableDTKMusic) {
|
||||
// g_dspInitialize.pGetAudioStreaming(samples, numSamples);
|
||||
// }
|
||||
|
||||
MixUCode(samples, numSamples);
|
||||
}
|
||||
|
||||
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include "Config.h" // Local
|
||||
#include "Globals.h"
|
||||
#include "DSPHandler.h"
|
||||
#include "HLEMixer.h"
|
||||
|
||||
void HLEMixer::MixUCode(short *samples, int numSamples) {
|
||||
// if this was called directly from the HLE, and not by timeout
|
||||
if (g_Config.m_EnableHLEAudio && IsHLEReady()) {
|
||||
IUCode* pUCode = CDSPHandler::GetInstance().GetUCode();
|
||||
if (pUCode != NULL)
|
||||
pUCode->MixAdd(samples, numSamples);
|
||||
}
|
||||
}
|
||||
|
||||
void HLEMixer::Premix(short *samples, int numSamples) {
|
||||
|
||||
// first get the DTK Music
|
||||
// if (g_Config.m_EnableDTKMusic) {
|
||||
// g_dspInitialize.pGetAudioStreaming(samples, numSamples);
|
||||
// }
|
||||
|
||||
MixUCode(samples, numSamples);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -285,8 +285,8 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
|
|||
size, address, (address & 0xffff), Tmp.c_str());*/
|
||||
break;
|
||||
default:
|
||||
ERROR_LOG(WII_IPC_WIIMOTE, "WmWriteData: bad register block!");
|
||||
PanicAlert("WmWriteData: bad register block!");
|
||||
ERROR_LOG(WII_IPC_WIIMOTE, "WmReadData: bad register block!");
|
||||
PanicAlert("WmReadData: bad register block!");
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -340,6 +340,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
|
|||
|
||||
INFO_LOG(WII_IPC_WIIMOTE, "===========================================================");
|
||||
}
|
||||
|
||||
// ===================================================
|
||||
/* Here we produce the actual 0x21 Input report that we send to the Wii. The message
|
||||
is divided into 16 bytes pieces and sent piece by piece. There will be five formatting
|
||||
|
|
|
|||
|
|
@ -55,21 +55,35 @@ void CoreTests()
|
|||
void MathTests()
|
||||
{
|
||||
// Tests that our fp classifier is correct.
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(1.0), MathUtil::PPC_FPCLASS_PN);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(-1.0), 0x8);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(1235223.0), 0x4);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(-126323521.0), 0x8);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(1.0E-308), 0x14);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(-1.0E-308), 0x18);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(0.0), 0x2);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(-0.0), 0x12);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(HUGE_VAL), 0x5); // weird #define for infinity
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(-HUGE_VAL), 0x9);
|
||||
EXPECT_EQ(MathUtil::ClassifyFP(sqrt(-1.0)), 0x11); // SNAN
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(1.0), MathUtil::PPC_FPCLASS_PN);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(-1.0), MathUtil::PPC_FPCLASS_NN);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(1235223.0), MathUtil::PPC_FPCLASS_PN);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(-1263221.0), MathUtil::PPC_FPCLASS_NN);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(1.0E-308), MathUtil::PPC_FPCLASS_PD);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(-1.0E-308), MathUtil::PPC_FPCLASS_ND);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(0.0), MathUtil::PPC_FPCLASS_PZ);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(-0.0), MathUtil::PPC_FPCLASS_NZ);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(HUGE_VAL), MathUtil::PPC_FPCLASS_PINF); // weird #define for infinity
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(-HUGE_VAL), MathUtil::PPC_FPCLASS_NINF);
|
||||
EXPECT_EQ(MathUtil::ClassifyDouble(sqrt(-1.0)), MathUtil::PPC_FPCLASS_QNAN);
|
||||
|
||||
// Float version
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(1.0f), MathUtil::PPC_FPCLASS_PN);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(-1.0f), MathUtil::PPC_FPCLASS_NN);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(1235223.0f), MathUtil::PPC_FPCLASS_PN);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(-1263221.0f), MathUtil::PPC_FPCLASS_NN);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(1.0E-43f), MathUtil::PPC_FPCLASS_PD);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(-1.0E-43f), MathUtil::PPC_FPCLASS_ND);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(0.0f), MathUtil::PPC_FPCLASS_PZ);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(-0.0f), MathUtil::PPC_FPCLASS_NZ);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat((float)HUGE_VAL), MathUtil::PPC_FPCLASS_PINF); // weird #define for infinity
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat((float)-HUGE_VAL), MathUtil::PPC_FPCLASS_NINF);
|
||||
EXPECT_EQ(MathUtil::ClassifyFloat(sqrtf(-1.0f)), MathUtil::PPC_FPCLASS_QNAN);
|
||||
|
||||
EXPECT_FALSE(MathUtil::IsNAN(1.0));
|
||||
EXPECT_TRUE(MathUtil::IsNAN(sqrt(-1.0)));
|
||||
EXPECT_FALSE(MathUtil::IsSNAN(sqrt(-1.0)));
|
||||
|
||||
// EXPECT_TRUE(MathUtil::IsQNAN(sqrt(-1.0))); // Hmm...
|
||||
EXPECT_EQ(pow2(2.0), 4.0);
|
||||
EXPECT_EQ(pow2(-2.0), 4.0);
|
||||
|
|
|
|||
Loading…
Reference in a new issue