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Slim down indexed access as far as currently possible

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Interestingly, the same code written as statements is significantly slower. See notes.
This commit is contained in:
dcodeIO
2018-04-23 23:57:15 +02:00
parent de98a19eb8
commit 63aa648ace
16 changed files with 964 additions and 1384 deletions
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82
tests/compiler/std/array-literal.untouched.wat
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@ -35,56 +35,32 @@
)
(func $~lib/array/Array<i32>#__get (; 2 ;) (type $iii) (param $0 i32) (param $1 i32) (result i32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(set_local $2
(i32.load
(get_local $0)
)
)
(set_local $3
(i32.shr_u
(i32.load
(get_local $2)
)
(i32.const 2)
)
)
(if
(i32.ge_u
(get_local $1)
(get_local $3)
)
(block
(call $abort
(i32.const 0)
(i32.const 92)
(i32.const 64)
(i32.const 37)
)
(unreachable)
)
)
(return
(block $~lib/internal/arraybuffer/loadUnsafe<i32>|inlined.0 (result i32)
(set_local $4
(get_local $2)
)
(set_local $5
(if (result i32)
(i32.lt_u
(get_local $1)
(i32.shr_u
(i32.load
(get_local $2)
)
(i32.const 2)
)
)
(br $~lib/internal/arraybuffer/loadUnsafe<i32>|inlined.0
(i32.load offset=8
(i32.add
(get_local $4)
(i32.shl
(get_local $5)
(i32.const 2)
)
(i32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
)
(unreachable)
)
)
)
@ -2919,9 +2895,6 @@
(func $~lib/array/Array<i32>#__set (; 11 ;) (type $iiiv) (param $0 i32) (param $1 i32) (param $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 i32)
(set_local $3
(i32.load
(get_local $0)
@ -2951,7 +2924,7 @@
(call $abort
(i32.const 0)
(i32.const 92)
(i32.const 75)
(i32.const 81)
(i32.const 41)
)
(unreachable)
@ -2982,26 +2955,15 @@
)
)
)
(block $~lib/internal/arraybuffer/storeUnsafe<i32>|inlined.0
(set_local $5
(i32.store offset=8
(i32.add
(get_local $3)
)
(set_local $6
(get_local $1)
)
(set_local $7
(get_local $2)
)
(i32.store offset=8
(i32.add
(get_local $5)
(i32.shl
(get_local $6)
(i32.const 2)
)
(i32.shl
(get_local $1)
(i32.const 2)
)
(get_local $7)
)
(get_local $2)
)
)
(func $start (; 12 ;) (type $v)