fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

A lot of progress on altivec instructions.

Browse Source 
Some bad results, still, and some instructions are not decoding right.
This commit is contained in:
Ben Vanik
2013-09-29 21:05:48 -07:00
parent 3662118246
commit 26ec76ef35
8 changed files with 655 additions and 331 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/xenia/cpu/x64/x64_jit.cc
View File

@@ -100,8 +100,29 @@ static const BitDescription x86Features[] = {
int X64JIT::CheckProcessor() {
const CpuInfo* cpu = CpuInfo::getGlobal();
const X86CpuInfo* x86Cpu = static_cast<const X86CpuInfo*>(cpu);
const uint32_t mask = cpu->getFeatures();
// TODO(benvanik): ensure features we want are supported.
// TODO(benvanik): check for SSE modes we use.
if (!(mask & kX86FeatureSse3)) {
XELOGE("CPU does not support SSE3+ instructions!");
DumpCPUInfo();
return 1;
}
if (!(mask & kX86FeatureSse41)) {
XELOGW("CPU does not support SSE4.1+ instructions, performance degraded!");
DumpCPUInfo();
}
return 0;
}
void X64JIT::DumpCPUInfo() {
const CpuInfo* cpu = CpuInfo::getGlobal();
const X86CpuInfo* x86Cpu = static_cast<const X86CpuInfo*>(cpu);
const uint32_t mask = cpu->getFeatures();
#if 0
XELOGCPU("Processor Info:");
XELOGCPU(" Vendor string : %s", cpu->getVendorString());
XELOGCPU(" Brand string : %s", cpu->getBrandString());
@@ -117,17 +138,11 @@ int X64JIT::CheckProcessor() {
XELOGCPU(" Max logical Processors: %u", x86Cpu->getMaxLogicalProcessors());
XELOGCPU(" APIC Physical ID : %u", x86Cpu->getApicPhysicalId());
XELOGCPU(" Features:");
uint32_t mask = cpu->getFeatures();
for (const BitDescription* d = x86Features; d->mask; d++) {
if (mask & d->mask) {
XELOGCPU(" %s", d->description);
}
}
#endif
// TODO(benvanik): ensure features we want are supported.
return 0;
}
int X64JIT::InitModule(ExecModule* module) {