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backend/x64: Move cycles_remaining and cycles_to_run from JitState to stack

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MerryMage
2021-05-04 14:39:09 +01:00
parent d6592c7142
commit 3b2c6afdc2
8 changed files with 25 additions and 29 deletions
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24
src/backend/x64/block_of_code.cpp
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@@ -162,8 +162,8 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
mov(rbx, ABI_PARAM2); // save temporarily in non-volatile register
cb.GetTicksRemaining->EmitCall(*this);
mov(qword[r15 + jsi.offsetof_cycles_to_run], ABI_RETURN);
mov(qword[r15 + jsi.offsetof_cycles_remaining], ABI_RETURN);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)], ABI_RETURN);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], ABI_RETURN);
rcp(*this);
@@ -177,8 +177,8 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
mov(r15, ABI_PARAM1);
mov(qword[r15 + jsi.offsetof_cycles_to_run], 1);
mov(qword[r15 + jsi.offsetof_cycles_remaining], 1);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)], 1);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], 1);
rcp(*this);
@@ -194,7 +194,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
align();
return_from_run_code[0] = getCurr<const void*>();
cmp(qword[r15 + jsi.offsetof_cycles_remaining], 0);
cmp(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], 0);
jng(return_to_caller);
cb.LookupBlock->EmitCall(*this);
jmp(ABI_RETURN);
@@ -202,7 +202,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
align();
return_from_run_code[MXCSR_ALREADY_EXITED] = getCurr<const void*>();
cmp(qword[r15 + jsi.offsetof_cycles_remaining], 0);
cmp(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], 0);
jng(return_to_caller_mxcsr_already_exited);
SwitchMxcsrOnEntry();
cb.LookupBlock->EmitCall(*this);
@@ -219,8 +219,8 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
L(return_to_caller_mxcsr_already_exited);
cb.AddTicks->EmitCall(*this, [this](RegList param) {
mov(param[0], qword[r15 + jsi.offsetof_cycles_to_run]);
sub(param[0], qword[r15 + jsi.offsetof_cycles_remaining]);
mov(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)]);
sub(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)]);
});
ABI_PopCalleeSaveRegistersAndAdjustStack(*this, sizeof(StackLayout));
@@ -251,13 +251,13 @@ void BlockOfCode::LeaveStandardASIMD() {
void BlockOfCode::UpdateTicks() {
cb.AddTicks->EmitCall(*this, [this](RegList param) {
mov(param[0], qword[r15 + jsi.offsetof_cycles_to_run]);
sub(param[0], qword[r15 + jsi.offsetof_cycles_remaining]);
mov(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)]);
sub(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)]);
});
cb.GetTicksRemaining->EmitCall(*this);
mov(qword[r15 + jsi.offsetof_cycles_to_run], ABI_RETURN);
mov(qword[r15 + jsi.offsetof_cycles_remaining], ABI_RETURN);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)], ABI_RETURN);
mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], ABI_RETURN);
}
void BlockOfCode::LookupBlock() {