OrdinaryMagician/vkdoom_m
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- clean up assembly output slightly by only generating labels for the opcodes jumped to

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This commit is contained in:
Magnus Norddahl 2018-10-12 06:14:27 +02:00
commit 44294a051a
3 changed files with 45 additions and 11 deletions
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25
src/scripting/vm/jit.cpp
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@ -148,13 +148,15 @@ void JitCompiler::Codegen()
cc.comment("", 0);
cc.comment(lineinfo.GetChars(), lineinfo.Len());
cc.bind(labels[i]);
labels[i].cursor = cc.getCursor();
ResetTemp();
EmitOpcode();
pc++;
}
BindLabels();
cc.endFunc();
cc.finalize();
}
@ -173,6 +175,22 @@ void JitCompiler::EmitOpcode()
}
}
void JitCompiler::BindLabels()
{
asmjit::CBNode *cursor = cc.getCursor();
unsigned int size = labels.Size();
for (unsigned int i = 0; i < size; i++)
{
const OpcodeLabel &label = labels[i];
if (label.inUse)
{
cc.setCursor(label.cursor);
cc.bind(label.label);
}
}
cc.setCursor(cursor);
}
void JitCompiler::Setup()
{
using namespace asmjit;
@ -245,10 +263,7 @@ void JitCompiler::Setup()
regA[i] = cc.newIntPtr(regname.GetChars());
}
int size = sfunc->CodeSize;
labels.Resize(size);
for (int i = 0; i < size; i++)
labels[i] = cc.newLabel();
labels.Resize(sfunc->CodeSize);
// VMCalls[0]++
auto vmcallsptr = newTempIntPtr();