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A64: Backend framework

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This commit is contained in:
MerryMage 2018-01-06 21:15:25 +00:00
parent e161cf16f5
commit d1eb757f93
48 changed files with 1183 additions and 90 deletions
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16
src/backend_x64/block_of_code.cpp
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@ -36,7 +36,7 @@ constexpr size_t FAR_CODE_OFFSET = 100 * 1024 * 1024;
BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi)
: Xbyak::CodeGenerator(TOTAL_CODE_SIZE)
, cb(cb)
, cb(std::move(cb))
, jsi(jsi)
, constant_pool(this, 256)
{
@ -112,7 +112,7 @@ void BlockOfCode::GenRunCode() {
mov(r15, ABI_PARAM1);
mov(r14, ABI_PARAM2); // save temporarily in non-volatile register
CallFunction(cb.GetTicksRemaining);
cb.GetTicksRemaining->EmitCall(this);
mov(qword[r15 + jsi.offsetof_cycles_to_run], ABI_RETURN);
mov(qword[r15 + jsi.offsetof_cycles_remaining], ABI_RETURN);
@ -130,15 +130,14 @@ void BlockOfCode::GenRunCode() {
mov(r15, ABI_PARAM1);
CallFunction(cb.GetTicksRemaining);
cb.GetTicksRemaining->EmitCall(this);
mov(qword[r15 + jsi.offsetof_cycles_to_run], ABI_RETURN);
mov(qword[r15 + jsi.offsetof_cycles_remaining], ABI_RETURN);
L(enter_mxcsr_then_loop);
SwitchMxcsrOnEntry();
L(loop);
mov(ABI_PARAM1, u64(cb.lookup_block_arg));
CallFunction(cb.LookupBlock);
cb.LookupBlock->EmitCall(this);
jmp(ABI_RETURN);
@ -153,9 +152,10 @@ void BlockOfCode::GenRunCode() {
SwitchMxcsrOnExit();
}
mov(ABI_PARAM1, qword[r15 + jsi.offsetof_cycles_to_run]);
sub(ABI_PARAM1, qword[r15 + jsi.offsetof_cycles_remaining]);
CallFunction(cb.AddTicks);
cb.AddTicks->EmitCall(this, [this](Xbyak::Reg64 param1) {
mov(param1, qword[r15 + jsi.offsetof_cycles_to_run]);
sub(param1, qword[r15 + jsi.offsetof_cycles_remaining]);
});
ABI_PopCalleeSaveRegistersAndAdjustStack(this);
ret();