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externals/xbyak: Update xbyak to 5.77

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Merge commit '080b4b3affbdc1d56f2f8230663725413ab03d21' into HEAD
This commit is contained in:
MerryMage
2020-04-22 20:59:14 +01:00
parent 3a0b9e8883 080b4b3aff
commit b941cbbcfb
17 changed files with 994 additions and 489 deletions
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32
externals/xbyak/sample/bf.cpp vendored
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@@ -10,12 +10,6 @@
#endif
class Brainfuck : public Xbyak::CodeGenerator {
private:
enum Direction { B, F };
std::string toStr(int labelNo, Direction dir)
{
return Xbyak::Label::toStr(labelNo) + (dir == B ? 'B' : 'F');
}
public:
int getContinuousChar(std::istream& is, char c)
{
@@ -67,8 +61,7 @@ public:
mov(pGetchar, rsi); // getchar
mov(stack, rdx); // stack
#endif
int labelNo = 0;
std::stack<int> keepLabelNo;
std::stack<Label> labelF, labelB;
char c;
while (is >> c) {
switch (c) {
@@ -116,17 +109,22 @@ public:
mov(cur, eax);
break;
case '[':
L(toStr(labelNo, B));
mov(eax, cur);
test(eax, eax);
jz(toStr(labelNo, F), T_NEAR);
keepLabelNo.push(labelNo++);
{
Label B = L();
labelB.push(B);
mov(eax, cur);
test(eax, eax);
Label F;
jz(F, T_NEAR);
labelF.push(F);
}
break;
case ']':
{
int no = keepLabelNo.top(); keepLabelNo.pop();
jmp(toStr(no, B));
L(toStr(no, F));
Label B = labelB.top(); labelB.pop();
jmp(B);
Label F = labelF.top(); labelF.pop();
L(F);
}
break;
default:
@@ -200,7 +198,7 @@ int main(int argc, char *argv[])
Brainfuck bf(ifs);
if (mode == 0) {
static int stack[128 * 1024];
bf.getCode<void (*)(void*, void*, int *)>()(Xbyak::CastTo<void*>(putchar), Xbyak::CastTo<void*>(getchar), stack);
bf.getCode<void (*)(const void*, const void*, int *)>()(reinterpret_cast<const void*>(putchar), reinterpret_cast<const void*>(getchar), stack);
} else {
dump(bf.getCode(), bf.getSize());
}