37680d6563
Instead of having feedback vector as a subtype of FixedArray with reserved slots, make it a first-class variable-sized object with a fixed-size header. This allows us to compress counters to ints in the header, rather than forcing them to be Smis. Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng Change-Id: Icc5f088ffbc2e2651b845bc71ea42060639e3e48 Reviewed-on: https://chromium-review.googlesource.com/585129 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Michael Stanton <mvstanton@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#46935}
183 lines
4.2 KiB
Plaintext
183 lines
4.2 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 x = 0;
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label: {
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x = x + 1;
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break label;
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x = x + 1;
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}
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return x;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 14
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaZero),
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B(Star), R(0),
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/* 62 S> */ B(AddSmi), I8(1), U8(0),
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B(Star), R(0),
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/* 69 S> */ B(Jump), U8(2),
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/* 97 S> */ B(Ldar), R(0),
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/* 106 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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]
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---
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snippet: "
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var sum = 0;
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outer: {
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for (var x = 0; x < 10; ++x) {
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for (var y = 0; y < 3; ++y) {
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++sum;
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if (x + y == 12) { break outer; }
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}
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}
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}
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return sum;
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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: 69
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 44 S> */ B(LdaZero),
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B(Star), R(0),
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/* 71 S> */ B(LdaZero),
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B(Star), R(1),
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/* 76 S> */ B(LdaSmi), I8(10),
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/* 76 E> */ B(TestLessThan), R(1), U8(0),
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B(JumpIfFalse), U8(54),
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/* 58 E> */ B(StackCheck),
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/* 106 S> */ B(LdaZero),
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B(Star), R(2),
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/* 111 S> */ B(LdaSmi), I8(3),
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/* 111 E> */ B(TestLessThan), R(2), U8(2),
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B(JumpIfFalse), U8(34),
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/* 93 E> */ B(StackCheck),
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/* 129 S> */ B(Ldar), R(0),
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B(Inc), U8(4),
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B(Star), R(0),
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/* 142 S> */ B(Ldar), R(2),
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/* 148 E> */ B(Add), R(1), U8(5),
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B(Star), R(3),
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B(LdaSmi), I8(12),
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/* 152 E> */ B(TestEqual), R(3), U8(6),
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B(JumpIfFalse), U8(4),
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/* 161 S> */ B(Jump), U8(20),
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/* 118 S> */ B(Ldar), R(2),
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B(Inc), U8(3),
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B(Star), R(2),
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B(JumpLoop), U8(36), I8(1),
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/* 84 S> */ B(Ldar), R(1),
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B(Inc), U8(1),
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B(Star), R(1),
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B(JumpLoop), U8(56), I8(0),
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/* 188 S> */ B(Ldar), R(0),
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/* 199 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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]
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---
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snippet: "
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outer: {
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let y = 10;
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function f() { return y; }
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break outer;
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}
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"
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frame size: 3
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parameter count: 1
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bytecode array length: 31
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(Ldar), R(closure),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(2),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(1), U8(0), U8(2),
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B(Star), R(0),
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/* 53 S> */ B(LdaSmi), I8(10),
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/* 53 E> */ B(StaCurrentContextSlot), U8(4),
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B(Mov), R(0), R(1),
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B(Ldar), R(1),
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/* 88 S> */ B(Jump), U8(2),
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B(PopContext), R(2),
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B(LdaUndefined),
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/* 103 S> */ B(Return),
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]
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constant pool: [
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FIXED_ARRAY_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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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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let x = 1;
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outer: {
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inner: {
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let y = 2;
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function f() { return x + y; }
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if (y) break outer;
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y = 3;
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}
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}
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x = 4;
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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: 54
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bytecodes: [
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B(CreateFunctionContext), U8(1),
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B(PushContext), R(2),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(1),
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/* 42 E> */ B(StaCurrentContextSlot), U8(4),
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B(Ldar), R(closure),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(3),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(1), U8(0), U8(2),
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B(Star), R(0),
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/* 76 S> */ B(LdaSmi), I8(2),
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/* 76 E> */ B(StaCurrentContextSlot), U8(4),
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B(Mov), R(0), R(1),
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/* 118 S> */ B(LdaCurrentContextSlot), U8(4),
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B(JumpIfToBooleanFalse), U8(6),
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/* 125 S> */ B(PopContext), R(3),
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B(Jump), U8(8),
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/* 142 S> */ B(LdaSmi), I8(3),
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/* 144 E> */ B(StaCurrentContextSlot), U8(4),
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B(PopContext), R(3),
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/* 155 S> */ B(LdaSmi), I8(4),
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/* 157 E> */ B(StaCurrentContextSlot), U8(4),
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B(LdaUndefined),
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/* 162 S> */ B(Return),
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]
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constant pool: [
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FIXED_ARRAY_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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]
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handlers: [
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]
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