2016-02-25 12:07:07 +00:00
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#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: yes
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---
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snippet: "
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const x = 10; function f1() {return x;}
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"
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2019-01-24 17:00:48 +00:00
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frame size: 1
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2016-02-25 12:07:07 +00:00
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parameter count: 1
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2019-01-24 17:00:48 +00:00
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bytecode array length: 15
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2016-02-25 12:07:07 +00:00
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bytecodes: [
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[interpreter] Move function-entry stack check to start of bytecode array
The function-entry stack check should dominate all other
instructions in a function. Prior to this CL it was possible to create
paths not including a stack check due to SwitchOnGeneratorState: the
generator-creation branch had a stack check, while generator-resume
branches did not.
0 : af fb 00 01 SwitchOnGeneratorState r0, [0], [1] { 0: @22 }
4 : 27 fe fa Mov <closure>, r1
7 : 27 02 f9 Mov <this>, r2
10 : 64 0a fa 02 InvokeIntrinsic [_CreateJSGeneratorObject], r1-r2
14 : 26 fb Star r0
16 : a7 StackCheck
17 : b0 fb fb 01 00 SuspendGenerator r0, r0-r0, [0]
22 : b1 fb fb 01 ResumeGenerator r0, r0-r0
[... no stack check here ...]
This CL moves the stack check to the beginning of the bytecode array,
i.e. before SwitchOnGeneratorState.
Bug: chromium:1020031
Change-Id: I8ba8cba99611ddbe50c76023129d926cc84b1d5e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1903440
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64888}
2019-11-11 13:34:07 +00:00
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|
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/* 30 E> */ B(StackCheck),
|
2018-05-02 13:57:26 +00:00
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B(CreateFunctionContext), U8(0), U8(1),
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2019-01-24 17:00:48 +00:00
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B(PushContext), R(0),
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2016-05-11 12:21:56 +00:00
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B(LdaTheHole),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
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B(StaCurrentContextSlot), U8(2),
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2017-01-25 17:39:24 +00:00
|
|
|
/* 44 S> */ B(LdaSmi), I8(10),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
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/* 44 E> */ B(StaCurrentContextSlot), U8(2),
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2016-05-11 12:21:56 +00:00
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B(LdaUndefined),
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/* 74 S> */ B(Return),
|
2016-02-25 12:07:07 +00:00
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]
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constant pool: [
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2018-05-02 13:57:26 +00:00
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SCOPE_INFO_TYPE,
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2016-02-25 12:07:07 +00:00
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]
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handlers: [
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]
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---
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snippet: "
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const x = 10; function f1() {return x;} return x;
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|
"
|
2019-01-24 17:00:48 +00:00
|
|
|
frame size: 1
|
2016-02-25 12:07:07 +00:00
|
|
|
parameter count: 1
|
2019-01-24 17:00:48 +00:00
|
|
|
bytecode array length: 16
|
2016-02-25 12:07:07 +00:00
|
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|
bytecodes: [
|
[interpreter] Move function-entry stack check to start of bytecode array
The function-entry stack check should dominate all other
instructions in a function. Prior to this CL it was possible to create
paths not including a stack check due to SwitchOnGeneratorState: the
generator-creation branch had a stack check, while generator-resume
branches did not.
0 : af fb 00 01 SwitchOnGeneratorState r0, [0], [1] { 0: @22 }
4 : 27 fe fa Mov <closure>, r1
7 : 27 02 f9 Mov <this>, r2
10 : 64 0a fa 02 InvokeIntrinsic [_CreateJSGeneratorObject], r1-r2
14 : 26 fb Star r0
16 : a7 StackCheck
17 : b0 fb fb 01 00 SuspendGenerator r0, r0-r0, [0]
22 : b1 fb fb 01 ResumeGenerator r0, r0-r0
[... no stack check here ...]
This CL moves the stack check to the beginning of the bytecode array,
i.e. before SwitchOnGeneratorState.
Bug: chromium:1020031
Change-Id: I8ba8cba99611ddbe50c76023129d926cc84b1d5e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1903440
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64888}
2019-11-11 13:34:07 +00:00
|
|
|
/* 30 E> */ B(StackCheck),
|
2018-05-02 13:57:26 +00:00
|
|
|
B(CreateFunctionContext), U8(0), U8(1),
|
2019-01-24 17:00:48 +00:00
|
|
|
B(PushContext), R(0),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(LdaTheHole),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
|
B(StaCurrentContextSlot), U8(2),
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2017-01-25 17:39:24 +00:00
|
|
|
/* 44 S> */ B(LdaSmi), I8(10),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
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/* 44 E> */ B(StaCurrentContextSlot), U8(2),
|
|
|
|
/* 74 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
|
2017-07-14 17:50:09 +00:00
|
|
|
/* 83 S> */ B(Return),
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
|
constant pool: [
|
2018-05-02 13:57:26 +00:00
|
|
|
SCOPE_INFO_TYPE,
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
|
handlers: [
|
|
|
|
]
|
|
|
|
|
|
|
|
---
|
|
|
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snippet: "
|
|
|
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const x = (x = 20); function f1() {return x;}
|
|
|
|
"
|
2019-01-24 17:00:48 +00:00
|
|
|
frame size: 2
|
2016-02-25 12:07:07 +00:00
|
|
|
parameter count: 1
|
2019-01-24 17:00:48 +00:00
|
|
|
bytecode array length: 26
|
2016-02-25 12:07:07 +00:00
|
|
|
bytecodes: [
|
[interpreter] Move function-entry stack check to start of bytecode array
The function-entry stack check should dominate all other
instructions in a function. Prior to this CL it was possible to create
paths not including a stack check due to SwitchOnGeneratorState: the
generator-creation branch had a stack check, while generator-resume
branches did not.
0 : af fb 00 01 SwitchOnGeneratorState r0, [0], [1] { 0: @22 }
4 : 27 fe fa Mov <closure>, r1
7 : 27 02 f9 Mov <this>, r2
10 : 64 0a fa 02 InvokeIntrinsic [_CreateJSGeneratorObject], r1-r2
14 : 26 fb Star r0
16 : a7 StackCheck
17 : b0 fb fb 01 00 SuspendGenerator r0, r0-r0, [0]
22 : b1 fb fb 01 ResumeGenerator r0, r0-r0
[... no stack check here ...]
This CL moves the stack check to the beginning of the bytecode array,
i.e. before SwitchOnGeneratorState.
Bug: chromium:1020031
Change-Id: I8ba8cba99611ddbe50c76023129d926cc84b1d5e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1903440
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64888}
2019-11-11 13:34:07 +00:00
|
|
|
/* 30 E> */ B(StackCheck),
|
2018-05-02 13:57:26 +00:00
|
|
|
B(CreateFunctionContext), U8(0), U8(1),
|
2019-01-24 17:00:48 +00:00
|
|
|
B(PushContext), R(0),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(LdaTheHole),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
|
B(StaCurrentContextSlot), U8(2),
|
[inspector] moved var initialization break location before init expression (reland)
This CL improves break locations for expressions like 'var a = <expr>'. Without CL we use <expr> position as break location for initialization statement, with this CL we use position of first character after '=' as position.
Benefits (see test for details):
- only one break in expressions which includes mix of property lookup and calls, e.g. var p = Promise.resolve().then(x => x * 2),
- removed redundant break location for expressions like: let { x, y } = { x: 1, y: 2}.
TBR=dgozman@chromium.org,rmcilroy@chromium.org,machenbach@chromium.org,marja@chromium.org,kozyatinskiy@chromium.org,devtools-reviews@chromium.org,v8-reviews@googlegroups.com
# Not skipping CQ checks because original CL landed > 1 day ago.
Bug: v8:5909
Change-Id: Ie84fa79afeed09e28cf8478ba610a0cfbfdfc294
Reviewed-on: https://chromium-review.googlesource.com/518116
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45598}
2017-05-30 12:25:55 +00:00
|
|
|
/* 44 S> */ B(LdaSmi), I8(20),
|
2019-01-24 17:00:48 +00:00
|
|
|
B(Star), R(1),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
|
B(LdaCurrentContextSlot), U8(2),
|
2019-01-24 17:00:48 +00:00
|
|
|
/* 47 E> */ B(ThrowReferenceErrorIfHole), U8(1),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
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/* 44 E> */ B(StaCurrentContextSlot), U8(2),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(LdaUndefined),
|
|
|
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/* 80 S> */ B(Return),
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
|
constant pool: [
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2018-05-02 13:57:26 +00:00
|
|
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SCOPE_INFO_TYPE,
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2016-09-06 16:10:19 +00:00
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|
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
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handlers: [
|
|
|
|
]
|
|
|
|
|
|
|
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---
|
|
|
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snippet: "
|
|
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const x = 10; x = 20; function f1() {return x;}
|
|
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"
|
2019-01-24 17:00:48 +00:00
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|
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frame size: 1
|
2016-02-25 12:07:07 +00:00
|
|
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parameter count: 1
|
2019-01-24 17:00:48 +00:00
|
|
|
bytecode array length: 22
|
2016-02-25 12:07:07 +00:00
|
|
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bytecodes: [
|
[interpreter] Move function-entry stack check to start of bytecode array
The function-entry stack check should dominate all other
instructions in a function. Prior to this CL it was possible to create
paths not including a stack check due to SwitchOnGeneratorState: the
generator-creation branch had a stack check, while generator-resume
branches did not.
0 : af fb 00 01 SwitchOnGeneratorState r0, [0], [1] { 0: @22 }
4 : 27 fe fa Mov <closure>, r1
7 : 27 02 f9 Mov <this>, r2
10 : 64 0a fa 02 InvokeIntrinsic [_CreateJSGeneratorObject], r1-r2
14 : 26 fb Star r0
16 : a7 StackCheck
17 : b0 fb fb 01 00 SuspendGenerator r0, r0-r0, [0]
22 : b1 fb fb 01 ResumeGenerator r0, r0-r0
[... no stack check here ...]
This CL moves the stack check to the beginning of the bytecode array,
i.e. before SwitchOnGeneratorState.
Bug: chromium:1020031
Change-Id: I8ba8cba99611ddbe50c76023129d926cc84b1d5e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1903440
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64888}
2019-11-11 13:34:07 +00:00
|
|
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/* 30 E> */ B(StackCheck),
|
2018-05-02 13:57:26 +00:00
|
|
|
B(CreateFunctionContext), U8(0), U8(1),
|
2019-01-24 17:00:48 +00:00
|
|
|
B(PushContext), R(0),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(LdaTheHole),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
|
B(StaCurrentContextSlot), U8(2),
|
2017-01-25 17:39:24 +00:00
|
|
|
/* 44 S> */ B(LdaSmi), I8(10),
|
Reland x3 "[runtime] Remove extension slots from context objects"
Original change's description:
> [runtime] Remove extension slots from context objects
>
> Context objects have an extension slot, which contains further
> additional data that depends on the type of the context.
>
> This CL removes the extension slot from contexts that don't need
> them, hence reducing memory.
>
> The following contexts will still have an extension slot: native,
> module, await, block and with contexts. See objects/contexts.h for
> what the slot is used for.
> The following contexts will not have an extension slot anymore (they
> were not used before): script, catch and builtin contexts.
> Eval and function contexts only have the extension slot if they
> contain a sloppy eval.
>
> Bug: v8:9744
> Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191
> Commit-Queue: Victor Gomes <victorgomes@google.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Auto-Submit: Victor Gomes <victorgomes@google.com>
> Cr-Commit-Position: refs/heads/master@{#64372}
TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org
Bug: v8:9744
Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64477}
2019-10-22 12:59:24 +00:00
|
|
|
/* 44 E> */ B(StaCurrentContextSlot), U8(2),
|
2017-06-27 08:44:35 +00:00
|
|
|
/* 48 S> */ B(LdaSmi), I8(20),
|
2016-10-20 17:31:36 +00:00
|
|
|
/* 50 E> */ B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
|
2016-05-11 12:21:56 +00:00
|
|
|
B(LdaUndefined),
|
|
|
|
/* 82 S> */ B(Return),
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
|
constant pool: [
|
2018-05-02 13:57:26 +00:00
|
|
|
SCOPE_INFO_TYPE,
|
2016-02-25 12:07:07 +00:00
|
|
|
]
|
|
|
|
handlers: [
|
|
|
|
]
|
|
|
|
|