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Diffstat (limited to 'deps/v8/src/codegen/mips/macro-assembler-mips.cc')
-rw-r--r--deps/v8/src/codegen/mips/macro-assembler-mips.cc103
1 files changed, 49 insertions, 54 deletions
diff --git a/deps/v8/src/codegen/mips/macro-assembler-mips.cc b/deps/v8/src/codegen/mips/macro-assembler-mips.cc
index 8bbdbca662..d48b441c7b 100644
--- a/deps/v8/src/codegen/mips/macro-assembler-mips.cc
+++ b/deps/v8/src/codegen/mips/macro-assembler-mips.cc
@@ -12,6 +12,7 @@
#include "src/codegen/callable.h"
#include "src/codegen/code-factory.h"
#include "src/codegen/external-reference-table.h"
+#include "src/codegen/interface-descriptors-inl.h"
#include "src/codegen/macro-assembler.h"
#include "src/codegen/register-configuration.h"
#include "src/debug/debug.h"
@@ -64,7 +65,7 @@ int TurboAssembler::RequiredStackSizeForCallerSaved(SaveFPRegsMode fp_mode,
RegList list = kJSCallerSaved & ~exclusions;
bytes += NumRegs(list) * kPointerSize;
- if (fp_mode == kSaveFPRegs) {
+ if (fp_mode == SaveFPRegsMode::kSave) {
bytes += NumRegs(kCallerSavedFPU) * kDoubleSize;
}
@@ -89,7 +90,7 @@ int TurboAssembler::PushCallerSaved(SaveFPRegsMode fp_mode, Register exclusion1,
MultiPush(list);
bytes += NumRegs(list) * kPointerSize;
- if (fp_mode == kSaveFPRegs) {
+ if (fp_mode == SaveFPRegsMode::kSave) {
MultiPushFPU(kCallerSavedFPU);
bytes += NumRegs(kCallerSavedFPU) * kDoubleSize;
}
@@ -100,7 +101,7 @@ int TurboAssembler::PushCallerSaved(SaveFPRegsMode fp_mode, Register exclusion1,
int TurboAssembler::PopCallerSaved(SaveFPRegsMode fp_mode, Register exclusion1,
Register exclusion2, Register exclusion3) {
int bytes = 0;
- if (fp_mode == kSaveFPRegs) {
+ if (fp_mode == SaveFPRegsMode::kSave) {
MultiPopFPU(kCallerSavedFPU);
bytes += NumRegs(kCallerSavedFPU) * kDoubleSize;
}
@@ -179,7 +180,7 @@ void MacroAssembler::RecordWriteField(Register object, int offset,
Label done;
// Skip barrier if writing a smi.
- if (smi_check == INLINE_SMI_CHECK) {
+ if (smi_check == SmiCheck::kInline) {
JumpIfSmi(value, &done);
}
@@ -188,7 +189,7 @@ void MacroAssembler::RecordWriteField(Register object, int offset,
DCHECK(IsAligned(offset, kPointerSize));
Addu(dst, object, Operand(offset - kHeapObjectTag));
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
BlockTrampolinePoolScope block_trampoline_pool(this);
Label ok;
And(t8, dst, Operand(kPointerSize - 1));
@@ -198,13 +199,13 @@ void MacroAssembler::RecordWriteField(Register object, int offset,
}
RecordWrite(object, dst, value, ra_status, save_fp, remembered_set_action,
- OMIT_SMI_CHECK);
+ SmiCheck::kOmit);
bind(&done);
// Clobber clobbered input registers when running with the debug-code flag
// turned on to provoke errors.
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
li(value, Operand(bit_cast<int32_t>(kZapValue + 4)));
li(dst, Operand(bit_cast<int32_t>(kZapValue + 8)));
}
@@ -336,7 +337,7 @@ void MacroAssembler::RecordWrite(Register object, Register address,
DCHECK(!AreAliased(object, address, value, t8));
DCHECK(!AreAliased(object, address, value, t9));
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
lw(scratch, MemOperand(address));
@@ -344,7 +345,7 @@ void MacroAssembler::RecordWrite(Register object, Register address,
Operand(value));
}
- if ((remembered_set_action == OMIT_REMEMBERED_SET &&
+ if ((remembered_set_action == RememberedSetAction::kOmit &&
!FLAG_incremental_marking) ||
FLAG_disable_write_barriers) {
return;
@@ -354,7 +355,7 @@ void MacroAssembler::RecordWrite(Register object, Register address,
// catch stores of smis and stores into the young generation.
Label done;
- if (smi_check == INLINE_SMI_CHECK) {
+ if (smi_check == SmiCheck::kInline) {
DCHECK_EQ(0, kSmiTag);
JumpIfSmi(value, &done);
}
@@ -379,7 +380,7 @@ void MacroAssembler::RecordWrite(Register object, Register address,
// Clobber clobbered registers when running with the debug-code flag
// turned on to provoke errors.
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
li(address, Operand(bit_cast<int32_t>(kZapValue + 12)));
li(value, Operand(bit_cast<int32_t>(kZapValue + 16)));
}
@@ -4176,14 +4177,6 @@ void TurboAssembler::PushArray(Register array, Register size, Register scratch,
}
}
-void MacroAssembler::MaybeDropFrames() {
- // Check whether we need to drop frames to restart a function on the stack.
- li(a1, ExternalReference::debug_restart_fp_address(isolate()));
- lw(a1, MemOperand(a1));
- Jump(BUILTIN_CODE(isolate(), FrameDropperTrampoline), RelocInfo::CODE_TARGET,
- ne, a1, Operand(zero_reg));
-}
-
// ---------------------------------------------------------------------------
// Exception handling.
@@ -4373,7 +4366,7 @@ void MacroAssembler::StackOverflowCheck(Register num_args, Register scratch1,
void MacroAssembler::InvokePrologue(Register expected_parameter_count,
Register actual_parameter_count,
- Label* done, InvokeFlag flag) {
+ Label* done, InvokeType type) {
Label regular_invoke;
// a0: actual arguments count
@@ -4484,9 +4477,9 @@ void MacroAssembler::CheckDebugHook(Register fun, Register new_target,
void MacroAssembler::InvokeFunctionCode(Register function, Register new_target,
Register expected_parameter_count,
Register actual_parameter_count,
- InvokeFlag flag) {
+ InvokeType type) {
// You can't call a function without a valid frame.
- DCHECK_IMPLIES(flag == CALL_FUNCTION, has_frame());
+ DCHECK_IMPLIES(type == InvokeType::kCall, has_frame());
DCHECK_EQ(function, a1);
DCHECK_IMPLIES(new_target.is_valid(), new_target == a3);
@@ -4500,19 +4493,21 @@ void MacroAssembler::InvokeFunctionCode(Register function, Register new_target,
}
Label done;
- InvokePrologue(expected_parameter_count, actual_parameter_count, &done, flag);
+ InvokePrologue(expected_parameter_count, actual_parameter_count, &done, type);
// We call indirectly through the code field in the function to
// allow recompilation to take effect without changing any of the
// call sites.
Register code = kJavaScriptCallCodeStartRegister;
lw(code, FieldMemOperand(function, JSFunction::kCodeOffset));
- if (flag == CALL_FUNCTION) {
- Addu(code, code, Code::kHeaderSize - kHeapObjectTag);
- Call(code);
- } else {
- DCHECK(flag == JUMP_FUNCTION);
- Addu(code, code, Code::kHeaderSize - kHeapObjectTag);
- Jump(code);
+ switch (type) {
+ case InvokeType::kCall:
+ Addu(code, code, Code::kHeaderSize - kHeapObjectTag);
+ Call(code);
+ break;
+ case InvokeType::kJump:
+ Addu(code, code, Code::kHeaderSize - kHeapObjectTag);
+ Jump(code);
+ break;
}
// Continue here if InvokePrologue does handle the invocation due to
@@ -4522,9 +4517,9 @@ void MacroAssembler::InvokeFunctionCode(Register function, Register new_target,
void MacroAssembler::InvokeFunctionWithNewTarget(
Register function, Register new_target, Register actual_parameter_count,
- InvokeFlag flag) {
+ InvokeType type) {
// You can't call a function without a valid frame.
- DCHECK_IMPLIES(flag == CALL_FUNCTION, has_frame());
+ DCHECK_IMPLIES(type == InvokeType::kCall, has_frame());
// Contract with called JS functions requires that function is passed in a1.
DCHECK_EQ(function, a1);
@@ -4538,15 +4533,15 @@ void MacroAssembler::InvokeFunctionWithNewTarget(
SharedFunctionInfo::kFormalParameterCountOffset));
InvokeFunctionCode(function, new_target, expected_reg, actual_parameter_count,
- flag);
+ type);
}
void MacroAssembler::InvokeFunction(Register function,
Register expected_parameter_count,
Register actual_parameter_count,
- InvokeFlag flag) {
+ InvokeType type) {
// You can't call a function without a valid frame.
- DCHECK_IMPLIES(flag == CALL_FUNCTION, has_frame());
+ DCHECK_IMPLIES(type == InvokeType::kCall, has_frame());
// Contract with called JS functions requires that function is passed in a1.
DCHECK_EQ(function, a1);
@@ -4555,7 +4550,7 @@ void MacroAssembler::InvokeFunction(Register function,
lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
InvokeFunctionCode(a1, no_reg, expected_parameter_count,
- actual_parameter_count, flag);
+ actual_parameter_count, type);
}
// ---------------------------------------------------------------------------
@@ -4699,8 +4694,8 @@ void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin,
BranchDelaySlot bd,
bool builtin_exit_frame) {
PrepareCEntryFunction(builtin);
- Handle<Code> code = CodeFactory::CEntry(isolate(), 1, kDontSaveFPRegs,
- kArgvOnStack, builtin_exit_frame);
+ Handle<Code> code = CodeFactory::CEntry(isolate(), 1, SaveFPRegsMode::kIgnore,
+ ArgvMode::kStack, builtin_exit_frame);
Jump(code, RelocInfo::CODE_TARGET, al, zero_reg, Operand(zero_reg), bd);
}
@@ -4746,7 +4741,7 @@ void TurboAssembler::DebugBreak() { stop(); }
void TurboAssembler::Assert(Condition cc, AbortReason reason, Register rs,
Operand rt) {
- if (emit_debug_code()) Check(cc, reason, rs, rt);
+ if (FLAG_debug_code) Check(cc, reason, rs, rt);
}
void TurboAssembler::Check(Condition cc, AbortReason reason, Register rs,
@@ -4761,11 +4756,11 @@ void TurboAssembler::Check(Condition cc, AbortReason reason, Register rs,
void TurboAssembler::Abort(AbortReason reason) {
Label abort_start;
bind(&abort_start);
-#ifdef DEBUG
- const char* msg = GetAbortReason(reason);
- RecordComment("Abort message: ");
- RecordComment(msg);
-#endif
+ if (FLAG_code_comments) {
+ const char* msg = GetAbortReason(reason);
+ RecordComment("Abort message: ");
+ RecordComment(msg);
+ }
// Avoid emitting call to builtin if requested.
if (trap_on_abort()) {
@@ -4885,7 +4880,7 @@ void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space,
// Set up new frame pointer.
addiu(fp, sp, ExitFrameConstants::kFixedFrameSizeFromFp);
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
sw(zero_reg, MemOperand(fp, ExitFrameConstants::kSPOffset));
}
@@ -4999,7 +4994,7 @@ int TurboAssembler::ActivationFrameAlignment() {
}
void MacroAssembler::AssertStackIsAligned() {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
const int frame_alignment = ActivationFrameAlignment();
const int frame_alignment_mask = frame_alignment - 1;
@@ -5032,7 +5027,7 @@ void MacroAssembler::JumpIfNotSmi(Register value, Label* not_smi_label,
}
void MacroAssembler::AssertNotSmi(Register object) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
STATIC_ASSERT(kSmiTag == 0);
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
@@ -5042,7 +5037,7 @@ void MacroAssembler::AssertNotSmi(Register object) {
}
void MacroAssembler::AssertSmi(Register object) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
STATIC_ASSERT(kSmiTag == 0);
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
@@ -5052,7 +5047,7 @@ void MacroAssembler::AssertSmi(Register object) {
}
void MacroAssembler::AssertConstructor(Register object) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
BlockTrampolinePoolScope block_trampoline_pool(this);
STATIC_ASSERT(kSmiTag == 0);
SmiTst(object, t8);
@@ -5067,7 +5062,7 @@ void MacroAssembler::AssertConstructor(Register object) {
}
void MacroAssembler::AssertFunction(Register object) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
BlockTrampolinePoolScope block_trampoline_pool(this);
STATIC_ASSERT(kSmiTag == 0);
SmiTst(object, t8);
@@ -5083,7 +5078,7 @@ void MacroAssembler::AssertFunction(Register object) {
}
void MacroAssembler::AssertBoundFunction(Register object) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
BlockTrampolinePoolScope block_trampoline_pool(this);
STATIC_ASSERT(kSmiTag == 0);
SmiTst(object, t8);
@@ -5096,7 +5091,7 @@ void MacroAssembler::AssertBoundFunction(Register object) {
}
void MacroAssembler::AssertGeneratorObject(Register object) {
- if (!emit_debug_code()) return;
+ if (!FLAG_debug_code) return;
BlockTrampolinePoolScope block_trampoline_pool(this);
STATIC_ASSERT(kSmiTag == 0);
SmiTst(object, t8);
@@ -5123,7 +5118,7 @@ void MacroAssembler::AssertGeneratorObject(Register object) {
void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
Register scratch) {
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
Label done_checking;
AssertNotSmi(object);
LoadRoot(scratch, RootIndex::kUndefinedValue);
@@ -5416,7 +5411,7 @@ void TurboAssembler::CallCFunctionHelper(Register function_base,
// PrepareCallCFunction. The C function must be called via t9, for mips ABI.
#if V8_HOST_ARCH_MIPS
- if (emit_debug_code()) {
+ if (FLAG_debug_code) {
int frame_alignment = base::OS::ActivationFrameAlignment();
int frame_alignment_mask = frame_alignment - 1;
if (frame_alignment > kPointerSize) {
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