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s390x: Reland "Reland "[wasm][liftoff] Respect CallDescriptor linkage""

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Port c2a1d633a2

Change-Id: I2062ce41260b3e55fdcfff7e47de3aab5132d391
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2739247
Reviewed-by: Milad Fa <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73269}
This commit is contained in:
Junliang Yan 2021-03-08 09:11:09 -05:00 committed by Commit Bot
parent 174f0e9515
commit 8167cf9031
2 changed files with 23 additions and 2 deletions
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6
src/codegen/s390/macro-assembler-s390.h
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@ -977,6 +977,12 @@ class V8_EXPORT_PRIVATE TurboAssembler : public TurboAssemblerBase {
// Returns the pc offset at which the frame ends.
int LeaveFrame(StackFrame::Type type, int stack_adjustment = 0);
void AllocateStackSpace(int bytes) {
DCHECK_GE(bytes, 0);
if (bytes == 0) return;
lay(sp, MemOperand(sp, -bytes));
}
void CheckPageFlag(Register object, Register scratch, int mask, Condition cc,
Label* condition_met);

19
src/wasm/baseline/s390/liftoff-assembler-s390.h
View File

@ -2855,8 +2855,15 @@ void LiftoffAssembler::DeallocateStackSlot(uint32_t size) {
bailout(kUnsupportedArchitecture, "DeallocateStackSlot");
}
void LiftoffStackSlots::Construct() {
void LiftoffStackSlots::Construct(int param_slots) {
DCHECK_LT(0, slots_.size());
SortInPushOrder();
int last_stack_slot = param_slots;
for (auto& slot : slots_) {
const int stack_slot = slot.dst_slot_;
int stack_decrement = (last_stack_slot - stack_slot) * kSystemPointerSize;
DCHECK_LT(0, stack_decrement);
last_stack_slot = stack_slot;
const LiftoffAssembler::VarState& src = slot.src_;
switch (src.loc()) {
case LiftoffAssembler::VarState::kStack: {
@ -2867,6 +2874,7 @@ void LiftoffStackSlots::Construct() {
case kRtt:
case kRttWithDepth:
case kI64: {
asm_->AllocateStackSpace(stack_decrement - kSystemPointerSize);
UseScratchRegisterScope temps(asm_);
Register scratch = temps.Acquire();
asm_->LoadU64(scratch, liftoff::GetStackSlot(slot.src_offset_));
@ -2874,6 +2882,7 @@ void LiftoffStackSlots::Construct() {
break;
}
case kF32: {
asm_->AllocateStackSpace(stack_decrement - kSystemPointerSize);
asm_->LoadF32(kScratchDoubleReg,
liftoff::GetStackSlot(slot.src_offset_));
asm_->lay(sp, MemOperand(sp, -kSystemPointerSize));
@ -2881,12 +2890,14 @@ void LiftoffStackSlots::Construct() {
break;
}
case kF64: {
asm_->AllocateStackSpace(stack_decrement - kDoubleSize);
asm_->LoadF64(kScratchDoubleReg,
liftoff::GetStackSlot(slot.src_offset_));
asm_->push(kScratchDoubleReg);
break;
}
case kS128: {
asm_->AllocateStackSpace(stack_decrement - kSimd128Size);
UseScratchRegisterScope temps(asm_);
Register scratch = temps.Acquire();
asm_->LoadV128(kScratchDoubleReg,
@ -2900,7 +2911,9 @@ void LiftoffStackSlots::Construct() {
}
break;
}
case LiftoffAssembler::VarState::kRegister:
case LiftoffAssembler::VarState::kRegister: {
int pushed_bytes = SlotSizeInBytes(slot);
asm_->AllocateStackSpace(stack_decrement - pushed_bytes);
switch (src.kind()) {
case kI64:
case kI32:
@ -2928,7 +2941,9 @@ void LiftoffStackSlots::Construct() {
UNREACHABLE();
}
break;
}
case LiftoffAssembler::VarState::kIntConst: {
asm_->AllocateStackSpace(stack_decrement - kSystemPointerSize);
DCHECK(src.kind() == kI32 || src.kind() == kI64);
UseScratchRegisterScope temps(asm_);
Register scratch = temps.Acquire();