c68df4110d
Rather than trying to pre-calculate the number of contexts required during scope analysis, instead just allocate context registers in the register allocator. This reduces frame size a bit due to reusing of registers when the context isn't pushed. BUG=v8:6322, chromium:716265 Change-Id: I145e38fcb3797a3b86c91e90ea9326a6e55b9b89 Reviewed-on: https://chromium-review.googlesource.com/514087 Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#45522}
180 lines
4.7 KiB
Plaintext
180 lines
4.7 KiB
Plaintext
#
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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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var a = 1;
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try { a = 2; } finally { a = 3; }
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"
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frame size: 4
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parameter count: 1
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bytecode array length: 44
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(1),
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B(Star), R(0),
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B(Mov), R(context), R(3),
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/* 51 S> */ B(LdaSmi), I8(2),
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B(Star), R(0),
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B(LdaSmi), I8(-1),
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B(Star), R(1),
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B(Jump), U8(7),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(1),
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B(LdaTheHole),
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/* 53 E> */ B(SetPendingMessage),
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B(Star), R(3),
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/* 70 S> */ B(LdaSmi), I8(3),
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B(Star), R(0),
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B(Ldar), R(3),
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/* 72 E> */ B(SetPendingMessage),
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B(LdaZero),
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B(TestEqualStrictNoFeedback), R(1),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(2),
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B(ReThrow),
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B(LdaUndefined),
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/* 79 S> */ B(Return),
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]
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constant pool: [
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]
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handlers: [
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[8, 12, 18],
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]
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---
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snippet: "
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var a = 1;
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try { a = 2; } catch(e) { a = 20 } finally { a = 3; }
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"
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frame size: 6
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parameter count: 1
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bytecode array length: 71
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(1),
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B(Star), R(0),
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B(Mov), R(context), R(3),
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B(Mov), R(context), R(4),
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/* 51 S> */ B(LdaSmi), I8(2),
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B(Star), R(0),
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B(Jump), U8(24),
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B(Star), R(5),
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B(Ldar), R(closure),
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/* 53 E> */ B(CreateCatchContext), R(5), U8(0), U8(1),
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B(Star), R(4),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Ldar), R(4),
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B(PushContext), R(5),
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/* 71 S> */ B(LdaSmi), I8(20),
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B(Star), R(0),
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B(PopContext), R(5),
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B(LdaSmi), I8(-1),
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B(Star), R(1),
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B(Jump), U8(7),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(1),
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B(LdaTheHole),
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/* 73 E> */ B(SetPendingMessage),
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B(Star), R(3),
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/* 90 S> */ B(LdaSmi), I8(3),
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B(Star), R(0),
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B(Ldar), R(3),
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/* 92 E> */ B(SetPendingMessage),
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B(LdaZero),
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B(TestEqualStrictNoFeedback), R(1),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(2),
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B(ReThrow),
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B(LdaUndefined),
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/* 99 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["e"],
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FIXED_ARRAY_TYPE,
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]
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handlers: [
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[8, 39, 45],
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[11, 15, 17],
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]
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---
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snippet: "
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var a; try {
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try { a = 1 } catch(e) { a = 2 }
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} catch(e) { a = 20 } finally { a = 3; }
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"
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frame size: 7
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parameter count: 1
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bytecode array length: 94
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(Mov), R(context), R(3),
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B(Mov), R(context), R(4),
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B(Mov), R(context), R(5),
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/* 55 S> */ B(LdaSmi), I8(1),
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B(Star), R(0),
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B(Jump), U8(24),
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B(Star), R(6),
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B(Ldar), R(closure),
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/* 57 E> */ B(CreateCatchContext), R(6), U8(0), U8(1),
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B(Star), R(5),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Ldar), R(5),
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B(PushContext), R(6),
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/* 74 S> */ B(LdaSmi), I8(2),
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B(Star), R(0),
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B(PopContext), R(6),
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B(Jump), U8(24),
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B(Star), R(5),
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B(Ldar), R(closure),
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/* 76 E> */ B(CreateCatchContext), R(5), U8(0), U8(2),
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B(Star), R(4),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Ldar), R(4),
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B(PushContext), R(5),
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/* 95 S> */ B(LdaSmi), I8(20),
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B(Star), R(0),
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B(PopContext), R(5),
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B(LdaSmi), I8(-1),
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B(Star), R(1),
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B(Jump), U8(7),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(1),
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B(LdaTheHole),
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/* 97 E> */ B(SetPendingMessage),
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B(Star), R(3),
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/* 114 S> */ B(LdaSmi), I8(3),
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B(Star), R(0),
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B(Ldar), R(3),
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/* 116 E> */ B(SetPendingMessage),
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B(LdaZero),
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B(TestEqualStrictNoFeedback), R(1),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(2),
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B(ReThrow),
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B(LdaUndefined),
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/* 123 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["e"],
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FIXED_ARRAY_TYPE,
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FIXED_ARRAY_TYPE,
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]
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handlers: [
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[4, 62, 68],
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[7, 38, 40],
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[10, 14, 16],
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]
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