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[compiler] Turn InstructionBlock bool members into bitfield

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Change-Id: I19b06e8590e7555e64b3ad59b2f0defe504f87ce
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2933502
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75202}
This commit is contained in:
Camillo Bruni 2021-06-02 16:29:35 +02:00 committed by V8 LUCI CQ
parent 60dfa4de6b
commit a117f6657a
2 changed files with 13 additions and 8 deletions
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7
src/compiler/backend/instruction.cc
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@ -607,7 +607,12 @@ InstructionBlock::InstructionBlock(Zone* zone, RpoNumber rpo_number,
loop_end_(loop_end),
dominator_(dominator),
deferred_(deferred),
handler_(handler) {}
handler_(handler),
switch_target_(false),
alignment_(false),
needs_frame_(false),
must_construct_frame_(false),
must_deconstruct_frame_(false) {}
size_t InstructionBlock::PredecessorIndexOf(RpoNumber rpo_number) const {
size_t j = 0;

14
src/compiler/backend/instruction.h
View File

@ -1585,13 +1585,13 @@ class V8_EXPORT_PRIVATE InstructionBlock final
RpoNumber dominator_;
int32_t code_start_; // start index of arch-specific code.
int32_t code_end_ = -1; // end index of arch-specific code.
const bool deferred_; // Block contains deferred code.
bool handler_; // Block is a handler entry point.
bool switch_target_ = false;
bool alignment_ = false; // insert alignment before this block
bool needs_frame_ = false;
bool must_construct_frame_ = false;
bool must_deconstruct_frame_ = false;
const bool deferred_ : 1; // Block contains deferred code.
bool handler_ : 1; // Block is a handler entry point.
bool switch_target_ : 1;
bool alignment_ : 1; // insert alignment before this block
bool needs_frame_ : 1;
bool must_construct_frame_ : 1;
bool must_deconstruct_frame_ : 1;
};
class InstructionSequence;