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Simplify isFinite & isNaN (#78)

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This commit is contained in:
Max Graey
2018-04-18 16:14:24 +03:00
committed by Daniel Wirtz
parent 5a2f834c0d
commit a15457d8b9
13 changed files with 132 additions and 409 deletions
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76
tests/compiler/builtins.untouched.wat
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@@ -2,8 +2,8 @@
(type $iiiiv (func (param i32 i32 i32 i32)))
(type $F (func (result f64)))
(type $fi (func (param f32) (result i32)))
(type $i (func (result i32)))
(type $Fi (func (param f64) (result i32)))
(type $i (func (result i32)))
(type $v (func))
(type $f (func (result f32)))
(import "env" "abort" (func $abort (param i32 i32 i32 i32)))
@@ -27,81 +27,39 @@
(start $start)
(func $isNaN<f32> (; 1 ;) (type $fi) (param $0 f32) (result i32)
(return
(i64.gt_u
(i64.and
(i64.reinterpret/f64
(f64.promote/f32
(get_local $0)
)
)
(i64.shr_u
(i64.const -1)
(i64.const 1)
)
)
(i64.shl
(i64.const 2047)
(i64.const 52)
)
(f32.ne
(get_local $0)
(get_local $0)
)
)
)
(func $isFinite<f32> (; 2 ;) (type $fi) (param $0 f32) (result i32)
(return
(i64.lt_u
(i64.and
(i64.reinterpret/f64
(f64.promote/f32
(get_local $0)
)
)
(i64.shr_u
(i64.const -1)
(i64.const 1)
)
)
(i64.shl
(i64.const 2047)
(i64.const 52)
(f32.eq
(f32.sub
(get_local $0)
(get_local $0)
)
(f32.const 0)
)
)
)
(func $isNaN<f64> (; 3 ;) (type $Fi) (param $0 f64) (result i32)
(return
(i64.gt_u
(i64.and
(i64.reinterpret/f64
(get_local $0)
)
(i64.shr_u
(i64.const -1)
(i64.const 1)
)
)
(i64.shl
(i64.const 2047)
(i64.const 52)
)
(f64.ne
(get_local $0)
(get_local $0)
)
)
)
(func $isFinite<f64> (; 4 ;) (type $Fi) (param $0 f64) (result i32)
(return
(i64.lt_u
(i64.and
(i64.reinterpret/f64
(get_local $0)
)
(i64.shr_u
(i64.const -1)
(i64.const 1)
)
)
(i64.shl
(i64.const 2047)
(i64.const 52)
(f64.eq
(f64.sub
(get_local $0)
(get_local $0)
)
(f64.const 0)
)
)
)