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Alexander Markov f4e61eacfd [vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters 
PushArgument instructions are removed from IL while it is constructed and
optimized. Before allocating registers, PushArgument instructions are
inserted immediately before call instructions. On ARM/ARM64 subsequent
PushArgument instructions are generated using store multiple (STM) / store
pair (STP) instructions which reduces size.

Flutter gallery in release mode after this CL and https://dart-review.googlesource.com/c/sdk/+/129324:
arm: instructions size -1.4%, total size -0.83%
arm64: instructions size -1.43%, total size -0.83%

Closes https://github.com/dart-lang/sdk/issues/39788
Closes https://github.com/dart-lang/sdk/issues/38354

Change-Id: I61493c72306c3ade4d9850e0dfc17e7e943a14c4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128481
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-01-09 01:37:27 +00:00
..
aot
[vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters
2020-01-09 01:37:27 +00:00
assembler
[vm] Enable multiple entry-points on IA32.
2020-01-07 17:05:44 +00:00
backend
[vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters
2020-01-09 01:37:27 +00:00
frontend
[vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters
2020-01-09 01:37:27 +00:00
jit
[vm/compiler] Refactor PolymorphicInstanceCallInstr
2020-01-02 19:09:36 +00:00
asm_intrinsifier_arm64.cc
[vm] Implement nullability check in type equality intrinsic
2019-12-19 16:55:23 +00:00
asm_intrinsifier_arm.cc
[vm] Implement nullability check in type equality intrinsic
2019-12-19 16:55:23 +00:00
asm_intrinsifier_ia32.cc
[vm] Implement nullability check in type equality intrinsic
2019-12-19 16:55:23 +00:00
asm_intrinsifier_x64.cc
[vm] Implement nullability check in type equality intrinsic
2019-12-19 16:55:23 +00:00
asm_intrinsifier.cc
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
asm_intrinsifier.h
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
call_specializer.cc
[vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters
2020-01-09 01:37:27 +00:00
call_specializer.h
[VM/nnbd] Pass nnbd mode from compiler via generated code or bytecode to runtime functions performing type checks or type reification.
2019-12-20 03:26:29 +00:00
cha_test.cc
[vm] Add missing safepoint transitions.
2018-08-28 16:40:17 +00:00
cha.cc
[vm] Free readonly header bit so it can be used for other uses.
2019-03-22 23:46:51 +00:00
cha.h
[vm/aot] Inline == in AOT against nullable receiver.
2019-12-20 12:33:50 +00:00
compiler_pass.cc
[vm/compiler] Remove PushArgument instructions from IL up to AllocateRegisters
2020-01-09 01:37:27 +00:00
compiler_pass.h
Reland "[vm/compiler] Dead code elimination"
2019-12-11 19:23:48 +00:00
compiler_sources.gni
[vm/async] Encode the yield index -> token position in PcDescriptors.
2019-11-18 11:50:13 +00:00
compiler_state.cc
[vm/ffi] Remove LocalVariable references from Allocate/CloneContext instructions
2019-07-08 17:11:34 +00:00
compiler_state.h
[vm, bytecode] Saturate context ids instead of issuing a compile-time error.
2019-10-03 16:57:33 +00:00
ffi.cc
[vm/ffi] Remove simulator code
2019-12-07 17:10:45 +00:00
ffi.h
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
graph_intrinsifier_arm64.cc
[vm] Decouple intrinsifier code from runtime
2019-02-13 17:22:56 +00:00
graph_intrinsifier_arm.cc
[vm] Decouple intrinsifier code from runtime
2019-02-13 17:22:56 +00:00
graph_intrinsifier_ia32.cc
[vm] Decouple intrinsifier code from runtime
2019-02-13 17:22:56 +00:00
graph_intrinsifier_x64.cc
[vm] Decouple intrinsifier code from runtime
2019-02-13 17:22:56 +00:00
graph_intrinsifier.cc
[vm/precomp] Inline SIMD operations
2019-12-19 15:09:32 +00:00
graph_intrinsifier.h
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
intrinsifier.cc
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
intrinsifier.h
[vm] Decouple intrinsifier code from runtime
2019-02-13 17:22:56 +00:00
method_recognizer.cc
[vm/tfa] Use pragma to pass type arguments to exact return types.
2020-01-03 14:08:19 +00:00
method_recognizer.h
[vm] Don't unroll initialization code based on macro lists.
2019-11-14 19:11:38 +00:00
offsets_extractor.cc
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
README.md
…
recognized_methods_list.h
[ VM / dart:typed_data ] Fixed more cases where null was a valid parameter for typed data functions in AOT
2019-12-27 20:04:35 +00:00
relocation.cc
[vm/compiler] Consistently use pc-offsets of pointing to instruction after call in static calls table, to ensure unique offsets
2020-01-03 17:17:59 +00:00
relocation.h
[vm] DBC is obsolete. Remove dead code.
2019-10-27 18:18:29 +00:00
runtime_api.cc
[vm/fieldtable] Move current field values out of Field object into separate table.
2020-01-06 18:58:11 +00:00
runtime_api.h
[vm/fieldtable] Move current field values out of Field object into separate table.
2020-01-06 18:58:11 +00:00
runtime_offsets_extracted.h
[VM/nnbd] Implement weak and strong mode type checking in runtime.
2020-01-06 22:32:19 +00:00
runtime_offsets_list.h
[vm/fieldtable] Move current field values out of Field object into separate table.
2020-01-06 18:58:11 +00:00
stub_code_compiler_arm64.cc
[vm/compiler] Remove PushArguments from AllocateObjectInstr
2020-01-09 01:37:27 +00:00
stub_code_compiler_arm.cc
[vm/compiler] Remove PushArguments from AllocateObjectInstr
2020-01-09 01:37:27 +00:00
stub_code_compiler_ia32.cc
[vm/compiler] Remove PushArguments from AllocateObjectInstr
2020-01-09 01:37:27 +00:00
stub_code_compiler_x64.cc
[vm/compiler] Remove PushArguments from AllocateObjectInstr
2020-01-09 01:37:27 +00:00
stub_code_compiler.h
[vm] Enable multiple entry-points on IA32.
2020-01-07 17:05:44 +00:00

README.md

Dart VM Compilation Pipeline

This folder contains Dart VM compilation pipeline.

Compilation pipeline is mainly responsible for converting AST or Kernel AST into IL flow graphs and then generating native code from IL.

It has the following structure:

Directory What goes there
assembler/ Assemblers and disassemblers
backend/ IL based compilation backend: optimization passes and architecture specific code generation rules
frontend/ Frontends responsible for converting AST into IL
jit/ JIT specific passes and compilation pipeline entry points
aot/ AOT specific passes and compilation pipeline entry points
. Shared code or code without clear designation.

Currently there are no layering restrictions and components from different subfolders can reference each other.

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