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UserspaceEmulator+LibX86: Turn on -O3 optimization for emulation code

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Since this code is performance-sensitive, let's have the compiler do
whatever it can to help us with the most important files.

This yields a ~8% speedup.
This commit is contained in:
Andreas Kling 2020-07-13 20:23:00 +02:00
parent 8656835935
commit a27473cbc2
3 changed files with 14 additions and 1 deletions
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7
DevTools/UserspaceEmulator/Emulator.cpp
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@ -38,6 +38,10 @@
#include <sys/stat.h>
#include <unistd.h>
#if defined(__GNUC__) && !defined(__clang__)
# pragma GCC optimize("O3")
#endif
//#define DEBUG_SPAM
namespace UserspaceEmulator {
@ -171,7 +175,8 @@ void Emulator::dump_backtrace()
if (!ret_ptr)
return;
symbol = m_elf->symbolicate(ret_ptr, &offset);
printf("> %#08x %s +%#x\n", ret_ptr, symbol.characters(), offset);
if (!symbol.is_null())
printf("> %#08x %s +%#x\n", ret_ptr, symbol.characters(), offset);
frame_ptr = m_mmu.read32({ 0x20, frame_ptr });
}