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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

43
tests/compiler/std/array-access.optimized.wat

@ -1,14 +1,13 @@
(module
(type $ii (func (param i32) (result i32)))
(type $iii (func (param i32 i32) (result i32)))
(type $iiiiv (func (param i32 i32 i32 i32)))
(type $iiii (func (param i32 i32 i32) (result i32)))
(type $iiiiv (func (param i32 i32 i32 i32)))
(import "env" "abort" (func $abort (param i32 i32 i32 i32)))
(global $~argc (mut i32) (i32.const 0))
(memory $0 1)
(data (i32.const 4) "\0d\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
(data (i32.const 40) "\0e\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
(data (i32.const 72) "\04\00\00\00n\00u\00l\00l")
(data (i32.const 8) "\0e\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
(data (i32.const 40) "\04\00\00\00n\00u\00l\00l")
(export "i32ArrayArrayElementAccess" (func $std/array-access/i32ArrayArrayElementAccess))
(export "stringArrayPropertyAccess" (func $std/array-access/stringArrayPropertyAccess))
(export "stringArrayMethodCall" (func $std/array-access/stringArrayMethodCall))
@ -17,8 +16,8 @@
(export "memory" (memory $0))
(func $~lib/array/Array<Array<i32>>#__get (; 1 ;) (type $iii) (param $0 i32) (param $1 i32) (result i32)
(local $2 i32)
(if
(i32.ge_u
(if (result i32)
(i32.lt_u
(get_local $1)
(i32.shr_u
(i32.load
@ -31,24 +30,16 @@
(i32.const 2)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 64)
(i32.const 37)
)
(unreachable)
)
)
(i32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
(i32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
)
(unreachable)
)
)
(func $std/array-access/i32ArrayArrayElementAccess (; 2 ;) (type $ii) (param $0 i32) (result i32)
@ -139,7 +130,7 @@
(block
(call $abort
(i32.const 0)
(i32.const 40)
(i32.const 8)
(i32.const 231)
(i32.const 4)
)
@ -151,7 +142,7 @@
(get_local $1)
)
(set_local $1
(i32.const 72)
(i32.const 40)
)
)
(if
@ -249,7 +240,7 @@
(get_local $0)
(i32.const 0)
)
(i32.const 36)
(i32.const 4)
(i32.const 0)
)
)
@ -276,7 +267,7 @@
)
(i32.const 1)
)
(i32.const 36)
(i32.const 4)
(i32.const 0)
)
)