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ppc64: [baseline] replace GetSharedFunctionInfoBytecode

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Change-Id: I933301cf9b81ef6a5cc5ec891611464a1e0a1e48
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3645029
Commit-Queue: Junliang Yan <junyan@redhat.com>
Reviewed-by: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80499}
This commit is contained in:
Junliang Yan 2022-05-12 12:34:08 -04:00 committed by V8 LUCI CQ
parent f00727d2d0
commit 26d0ca4112
1 changed files with 42 additions and 16 deletions
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58
src/builtins/ppc/builtins-ppc.cc
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@ -65,7 +65,7 @@ static void GetSharedFunctionInfoBytecodeOrBaseline(MacroAssembler* masm,
__ bne(&done);
__ LoadTaggedPointerField(
sfi_data,
FieldMemOperand(sfi_data, InterpreterData::kBytecodeArrayOffset));
FieldMemOperand(sfi_data, InterpreterData::kBytecodeArrayOffset), r0);
__ bind(&done);
}
@ -661,19 +661,6 @@ void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) {
Generate_JSBuiltinsConstructStubHelper(masm);
}
static void GetSharedFunctionInfoBytecode(MacroAssembler* masm,
Register sfi_data,
Register scratch1) {
Label done;
__ CompareObjectType(sfi_data, scratch1, scratch1, INTERPRETER_DATA_TYPE);
__ bne(&done);
__ LoadTaggedPointerField(
sfi_data,
FieldMemOperand(sfi_data, InterpreterData::kBytecodeArrayOffset), r0);
__ bind(&done);
}
// static
void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
// ----------- S t a t e -------------
@ -763,13 +750,15 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
// Underlying function needs to have bytecode available.
if (FLAG_debug_code) {
Label is_baseline;
__ LoadTaggedPointerField(
r6, FieldMemOperand(r7, JSFunction::kSharedFunctionInfoOffset), r0);
__ LoadTaggedPointerField(
r6, FieldMemOperand(r6, SharedFunctionInfo::kFunctionDataOffset), r0);
GetSharedFunctionInfoBytecode(masm, r6, r3);
GetSharedFunctionInfoBytecodeOrBaseline(masm, r6, ip, &is_baseline);
__ CompareObjectType(r6, r6, r6, BYTECODE_ARRAY_TYPE);
__ Assert(eq, AbortReason::kMissingBytecodeArray);
__ bind(&is_baseline);
}
// Resume (Ignition/TurboFan) generator object.
@ -1527,7 +1516,10 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
__ LoadTaggedPointerField(
kInterpreterBytecodeArrayRegister,
FieldMemOperand(r7, SharedFunctionInfo::kFunctionDataOffset), r0);
GetSharedFunctionInfoBytecode(masm, kInterpreterBytecodeArrayRegister, ip);
Label is_baseline;
GetSharedFunctionInfoBytecodeOrBaseline(
masm, kInterpreterBytecodeArrayRegister, ip, &is_baseline);
// The bytecode array could have been flushed from the shared function info,
// if so, call into CompileLazy.
@ -1715,6 +1707,40 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
MaybeOptimizeCodeOrTailCallOptimizedCodeSlot(masm, optimization_state,
feedback_vector);
__ bind(&is_baseline);
{
// Load the feedback vector from the closure.
__ LoadTaggedPointerField(
feedback_vector,
FieldMemOperand(closure, JSFunction::kFeedbackCellOffset), r0);
__ LoadTaggedPointerField(
feedback_vector, FieldMemOperand(feedback_vector, Cell::kValueOffset),
r0);
Label install_baseline_code;
// Check if feedback vector is valid. If not, call prepare for baseline to
// allocate it.
__ LoadTaggedPointerField(
ip, FieldMemOperand(feedback_vector, HeapObject::kMapOffset), r0);
__ LoadU16(ip, FieldMemOperand(ip, Map::kInstanceTypeOffset));
__ CmpS32(ip, Operand(FEEDBACK_VECTOR_TYPE), r0);
__ b(ne, &install_baseline_code);
// Check for an tiering state.
LoadTieringStateAndJumpIfNeedsProcessing(masm, optimization_state,
feedback_vector,
&has_optimized_code_or_state);
// Load the baseline code into the closure.
__ mr(r5, kInterpreterBytecodeArrayRegister);
static_assert(kJavaScriptCallCodeStartRegister == r5, "ABI mismatch");
ReplaceClosureCodeWithOptimizedCode(masm, r5, closure, ip, r6);
__ JumpCodeObject(r5);
__ bind(&install_baseline_code);
GenerateTailCallToReturnedCode(masm, Runtime::kInstallBaselineCode);
}
__ bind(&compile_lazy);
GenerateTailCallToReturnedCode(masm, Runtime::kCompileLazy);