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no-sse2 patch: More V8 x87 fixes (2)

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epel9
Kevin Kofler 7 years ago
parent 5b79f2f0a6
commit c5173657c0
1 changed files with 16 additions and 221 deletions
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qtwebengine-everywhere-src-5.10.0-no-sse2.patch
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@ -14256,7 +14256,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/regexp/
+chunyang.dai@intel.com
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/regexp/x87/regexp-macro-assembler-x87.cc qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/regexp/x87/regexp-macro-assembler-x87.cc
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/regexp/x87/regexp-macro-assembler-x87.cc 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/regexp/x87/regexp-macro-assembler-x87.cc 2017-12-25 17:42:57.217465617 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/regexp/x87/regexp-macro-assembler-x87.cc 2017-12-28 04:38:12.986938239 +0100
@@ -0,0 +1,1273 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
@ -15191,7 +15191,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/regexp/
+ }
+
+ CodeDesc code_desc;
+ masm_->GetCode(&code_desc);
+ masm_->GetCode(masm_->isolate(), &code_desc);
+ Handle<Code> code =
+ isolate()->factory()->NewCode(code_desc,
+ Code::ComputeFlags(Code::REGEXP),
@ -15880,7 +15880,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/v8.gyp
'mips/assembler-mips.cc',
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/assembler-x87.cc qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/assembler-x87.cc
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/assembler-x87.cc 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/assembler-x87.cc 2017-12-28 04:12:06.797019766 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/assembler-x87.cc 2017-12-28 04:40:51.665451092 +0100
@@ -0,0 +1,2258 @@
+// Copyright (c) 1994-2006 Sun Microsystems Inc.
+// All Rights Reserved.
@ -18132,7 +18132,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/ass
+ !serializer_enabled() && !emit_debug_code()) {
+ return;
+ }
+ RelocInfo rinfo(isolate(), pc_, rmode, data, NULL);
+ RelocInfo rinfo(pc_, rmode, data, NULL);
+ reloc_info_writer.Write(&rinfo);
+}
+
@ -19818,7 +19818,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/ass
+#endif // V8_X87_ASSEMBLER_X87_INL_H_
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/codegen-x87.cc qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/codegen-x87.cc
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/codegen-x87.cc 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/codegen-x87.cc 2017-12-27 22:01:35.070961553 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/codegen-x87.cc 2017-12-28 04:52:57.450203610 +0100
@@ -0,0 +1,381 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
@ -20017,7 +20017,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/cod
+ MemMoveEmitPopAndReturn(&masm);
+
+ CodeDesc desc;
+ masm.GetCode(&desc);
+ masm.GetCode(isolate, &desc);
+ DCHECK(!RelocInfo::RequiresRelocation(isolate, desc));
+ Assembler::FlushICache(isolate, buffer, actual_size);
+ base::OS::ProtectCode(buffer, actual_size);
@ -20240,8 +20240,8 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/cod
+#endif // V8_X87_CODEGEN_X87_H_
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/code-stubs-x87.cc qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/code-stubs-x87.cc
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/code-stubs-x87.cc 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/code-stubs-x87.cc 2017-12-28 03:38:01.563307104 +0100
@@ -0,0 +1,2873 @@
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/code-stubs-x87.cc 2017-12-28 04:50:57.144052671 +0100
@@ -0,0 +1,2668 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
@ -20993,204 +20993,6 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/cod
+ __ Jump(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
+}
+
+static void IncrementCallCount(MacroAssembler* masm, Register feedback_vector,
+ Register slot) {
+ __ add(FieldOperand(feedback_vector, slot, times_half_pointer_size,
+ FixedArray::kHeaderSize + kPointerSize),
+ Immediate(Smi::FromInt(1)));
+}
+
+void CallICStub::HandleArrayCase(MacroAssembler* masm, Label* miss) {
+ // eax - number of arguments
+ // edi - function
+ // edx - slot id
+ // ebx - vector
+ __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx);
+ __ cmp(edi, ecx);
+ __ j(not_equal, miss);
+
+ // Reload ecx.
+ __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size,
+ FixedArray::kHeaderSize));
+
+ // Increment the call count for monomorphic function calls.
+ IncrementCallCount(masm, ebx, edx);
+
+ __ mov(ebx, ecx);
+ __ mov(edx, edi);
+ ArrayConstructorStub stub(masm->isolate());
+ __ TailCallStub(&stub);
+
+ // Unreachable.
+}
+
+
+void CallICStub::Generate(MacroAssembler* masm) {
+ // edi - number of arguments
+ // edi - function
+ // edx - slot id
+ // ebx - vector
+ Isolate* isolate = masm->isolate();
+ Label extra_checks_or_miss, call, call_function, call_count_incremented;
+
+ // The checks. First, does edi match the recorded monomorphic target?
+ __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size,
+ FixedArray::kHeaderSize));
+
+ // We don't know that we have a weak cell. We might have a private symbol
+ // or an AllocationSite, but the memory is safe to examine.
+ // AllocationSite::kTransitionInfoOrBoilerplateOffset - contains a Smi or
+ // pointer to FixedArray. WeakCell::kValueOffset - contains a JSFunction or
+ // Smi(0) Symbol::kHashFieldSlot - if the low bit is 1, then the hash is not
+ // computed, meaning that it can't appear to be a pointer. If the low bit is
+ // 0, then hash is computed, but the 0 bit prevents the field from appearing
+ // to be a pointer.
+ STATIC_ASSERT(WeakCell::kSize >= kPointerSize);
+ STATIC_ASSERT(AllocationSite::kTransitionInfoOrBoilerplateOffset ==
+ WeakCell::kValueOffset &&
+ WeakCell::kValueOffset == Symbol::kHashFieldSlot);
+
+ __ cmp(edi, FieldOperand(ecx, WeakCell::kValueOffset));
+ __ j(not_equal, &extra_checks_or_miss);
+
+ // The compare above could have been a SMI/SMI comparison. Guard against this
+ // convincing us that we have a monomorphic JSFunction.
+ __ JumpIfSmi(edi, &extra_checks_or_miss);
+
+ __ bind(&call_function);
+
+ // Increment the call count for monomorphic function calls.
+ IncrementCallCount(masm, ebx, edx);
+
+ __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode(),
+ tail_call_mode()),
+ RelocInfo::CODE_TARGET);
+
+ __ bind(&extra_checks_or_miss);
+ Label uninitialized, miss, not_allocation_site;
+
+ __ cmp(ecx, Immediate(FeedbackVector::MegamorphicSentinel(isolate)));
+ __ j(equal, &call);
+
+ // Check if we have an allocation site.
+ __ CompareRoot(FieldOperand(ecx, HeapObject::kMapOffset),
+ Heap::kAllocationSiteMapRootIndex);
+ __ j(not_equal, &not_allocation_site);
+
+ // We have an allocation site.
+ HandleArrayCase(masm, &miss);
+
+ __ bind(&not_allocation_site);
+
+ // The following cases attempt to handle MISS cases without going to the
+ // runtime.
+ if (FLAG_trace_ic) {
+ __ jmp(&miss);
+ }
+
+ __ cmp(ecx, Immediate(FeedbackVector::UninitializedSentinel(isolate)));
+ __ j(equal, &uninitialized);
+
+ // We are going megamorphic. If the feedback is a JSFunction, it is fine
+ // to handle it here. More complex cases are dealt with in the runtime.
+ __ AssertNotSmi(ecx);
+ __ CmpObjectType(ecx, JS_FUNCTION_TYPE, ecx);
+ __ j(not_equal, &miss);
+ __ mov(
+ FieldOperand(ebx, edx, times_half_pointer_size, FixedArray::kHeaderSize),
+ Immediate(FeedbackVector::MegamorphicSentinel(isolate)));
+
+ __ bind(&call);
+
+ // Increment the call count for megamorphic function calls.
+ IncrementCallCount(masm, ebx, edx);
+
+ __ bind(&call_count_incremented);
+
+ __ Jump(masm->isolate()->builtins()->Call(convert_mode(), tail_call_mode()),
+ RelocInfo::CODE_TARGET);
+
+ __ bind(&uninitialized);
+
+ // We are going monomorphic, provided we actually have a JSFunction.
+ __ JumpIfSmi(edi, &miss);
+
+ // Goto miss case if we do not have a function.
+ __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
+ __ j(not_equal, &miss);
+
+ // Make sure the function is not the Array() function, which requires special
+ // behavior on MISS.
+ __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx);
+ __ cmp(edi, ecx);
+ __ j(equal, &miss);
+
+ // Make sure the function belongs to the same native context.
+ __ mov(ecx, FieldOperand(edi, JSFunction::kContextOffset));
+ __ mov(ecx, ContextOperand(ecx, Context::NATIVE_CONTEXT_INDEX));
+ __ cmp(ecx, NativeContextOperand());
+ __ j(not_equal, &miss);
+
+ // Store the function. Use a stub since we need a frame for allocation.
+ // eax - number of arguments
+ // ebx - vector
+ // edx - slot
+ // edi - function
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+ CreateWeakCellStub create_stub(isolate);
+ __ SmiTag(eax);
+ __ push(eax);
+ __ push(ebx);
+ __ push(edx);
+ __ push(edi);
+ __ push(esi);
+ __ CallStub(&create_stub);
+ __ pop(esi);
+ __ pop(edi);
+ __ pop(edx);
+ __ pop(ebx);
+ __ pop(eax);
+ __ SmiUntag(eax);
+ }
+
+ __ jmp(&call_function);
+
+ // We are here because tracing is on or we encountered a MISS case we can't
+ // handle here.
+ __ bind(&miss);
+ GenerateMiss(masm);
+
+ __ jmp(&call_count_incremented);
+
+ // Unreachable
+ __ int3();
+}
+
+
+void CallICStub::GenerateMiss(MacroAssembler* masm) {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+
+ // Preserve the number of arguments.
+ __ SmiTag(eax);
+ __ push(eax);
+
+ // Push the function and feedback info.
+ __ push(edi);
+ __ push(ebx);
+ __ push(edx);
+
+ // Call the entry.
+ __ CallRuntime(Runtime::kCallIC_Miss);
+
+ // Move result to edi and exit the internal frame.
+ __ mov(edi, eax);
+
+ // Restore number of arguments.
+ __ pop(eax);
+ __ SmiUntag(eax);
+}
+
+
+bool CEntryStub::NeedsImmovableCode() {
+ return false;
@ -22962,23 +22764,16 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/cod
+ // call data
+ __ push(call_data);
+
+ Register scratch = call_data;
+ if (!call_data_undefined()) {
+ // return value
+ __ push(Immediate(masm->isolate()->factory()->undefined_value()));
+ // return value default
+ __ push(Immediate(masm->isolate()->factory()->undefined_value()));
+ } else {
+ // return value
+ __ push(scratch);
+ // return value default
+ __ push(scratch);
+ }
+ // return value
+ __ push(Immediate(masm->isolate()->factory()->undefined_value()));
+ // return value default
+ __ push(Immediate(masm->isolate()->factory()->undefined_value()));
+ // isolate
+ __ push(Immediate(reinterpret_cast<int>(masm->isolate())));
+ // holder
+ __ push(holder);
+
+ Register scratch = call_data;
+ __ mov(scratch, esp);
+
+ // push return address
@ -23519,7 +23314,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/cpu
+#endif // V8_TARGET_ARCH_X87
diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/deoptimizer-x87.cc qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/deoptimizer-x87.cc
--- qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/deoptimizer-x87.cc 1970-01-01 01:00:00.000000000 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/deoptimizer-x87.cc 2017-12-25 17:42:57.222465544 +0100
+++ qtwebengine-everywhere-src-5.10.0-no-sse2/src/3rdparty/chromium/v8/src/x87/deoptimizer-x87.cc 2017-12-28 04:55:52.791508679 +0100
@@ -0,0 +1,412 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
@ -23599,7 +23394,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/deo
+ new_reloc->GetDataStartAddress() + padding, 0);
+ intptr_t comment_string
+ = reinterpret_cast<intptr_t>(RelocInfo::kFillerCommentString);
+ RelocInfo rinfo(isolate, 0, RelocInfo::COMMENT, comment_string, NULL);
+ RelocInfo rinfo(0, RelocInfo::COMMENT, comment_string, NULL);
+ for (int i = 0; i < additional_comments; ++i) {
+#ifdef DEBUG
+ byte* pos_before = reloc_info_writer.pos();
@ -23663,7 +23458,7 @@ diff -Nur qtwebengine-everywhere-src-5.10.0/src/3rdparty/chromium/v8/src/x87/deo
+ Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY);
+ patcher.masm()->call(deopt_entry, RelocInfo::NONE32);
+ // We use RUNTIME_ENTRY for deoptimization bailouts.
+ RelocInfo rinfo(isolate, call_address + 1, // 1 after the call opcode.
+ RelocInfo rinfo(call_address + 1, // 1 after the call opcode.
+ RelocInfo::RUNTIME_ENTRY,
+ reinterpret_cast<intptr_t>(deopt_entry), NULL);
+ reloc_info_writer.Write(&rinfo);

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