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Improve per-bit divmod loop for mod & rem (#307)

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This commit is contained in:
Max Graey
2018-10-30 16:10:50 +02:00
committed by Daniel Wirtz
parent d864977a1a
commit d864bef1eb
7 changed files with 936 additions and 1079 deletions
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458
tests/compiler/std/math.untouched.wat
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@ -9715,7 +9715,6 @@
(local $8 i32)
(local $9 i64)
(local $10 i64)
(local $11 i64)
(set_local $2
(i64.reinterpret/f64
(get_local $0)
@ -9927,79 +9926,68 @@
)
)
(block $break|0
(loop $repeat|0
(br_if $break|0
(i32.eqz
(i64.gt_s
(get_local $4)
(get_local $5)
)
(loop $continue|0
(if
(i64.gt_s
(get_local $4)
(get_local $5)
)
)
(block
(set_local $10
(i64.sub
(get_local $2)
(get_local $3)
)
)
(if
(i64.eqz
(i64.shr_u
(get_local $10)
(i64.const 63)
)
)
(block
(block
(if
(i64.eqz
(get_local $10)
(i64.ge_u
(get_local $2)
(get_local $3)
)
(return
(f64.mul
(f64.const 0)
(get_local $0)
(block
(if
(i64.eq
(get_local $2)
(get_local $3)
)
(return
(f64.mul
(f64.const 0)
(get_local $0)
)
)
)
(set_local $2
(i64.sub
(get_local $2)
(get_local $3)
)
)
)
)
(set_local $2
(get_local $10)
(i64.shl
(get_local $2)
(i64.const 1)
)
)
(set_local $4
(i64.sub
(get_local $4)
(i64.const 1)
)
)
)
)
(set_local $2
(i64.shl
(get_local $2)
(i64.const 1)
)
(br $continue|0)
)
)
(set_local $4
(i64.sub
(get_local $4)
(i64.const 1)
)
)
(br $repeat|0)
)
)
(set_local $10
(i64.sub
(get_local $2)
(get_local $3)
)
)
(if
(i64.eqz
(i64.shr_u
(get_local $10)
(i64.const 63)
)
(i64.ge_u
(get_local $2)
(get_local $3)
)
(block
(if
(i64.eqz
(get_local $10)
(i64.eq
(get_local $2)
(get_local $3)
)
(return
(f64.mul
@ -10009,11 +9997,14 @@
)
)
(set_local $2
(get_local $10)
(i64.sub
(get_local $2)
(get_local $3)
)
)
)
)
(set_local $11
(set_local $10
(i64.clz
(i64.shl
(get_local $2)
@ -10024,13 +10015,13 @@
(set_local $4
(i64.sub
(get_local $4)
(get_local $11)
(get_local $10)
)
)
(set_local $2
(i64.shl
(get_local $2)
(get_local $11)
(get_local $10)
)
)
(if
@ -10128,7 +10119,6 @@
(local $8 i32)
(local $9 i32)
(local $10 i32)
(local $11 i32)
(set_local $2
(i32.reinterpret/f32
(get_local $0)
@ -10340,79 +10330,68 @@
)
)
(block $break|0
(loop $repeat|0
(br_if $break|0
(i32.eqz
(i32.gt_s
(get_local $4)
(get_local $5)
)
(loop $continue|0
(if
(i32.gt_s
(get_local $4)
(get_local $5)
)
)
(block
(set_local $10
(i32.sub
(get_local $2)
(get_local $3)
)
)
(if
(i32.eqz
(i32.shr_u
(get_local $10)
(i32.const 31)
)
)
(block
(block
(if
(i32.eqz
(get_local $10)
(i32.ge_u
(get_local $2)
(get_local $3)
)
(return
(f32.mul
(f32.const 0)
(get_local $0)
(block
(if
(i32.eq
(get_local $2)
(get_local $3)
)
(return
(f32.mul
(f32.const 0)
(get_local $0)
)
)
)
(set_local $2
(i32.sub
(get_local $2)
(get_local $3)
)
)
)
)
(set_local $2
(get_local $10)
(i32.shl
(get_local $2)
(i32.const 1)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
)
)
(set_local $2
(i32.shl
(get_local $2)
(i32.const 1)
)
(br $continue|0)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(br $repeat|0)
)
)
(set_local $10
(i32.sub
(get_local $2)
(get_local $3)
)
)
(if
(i32.eqz
(i32.shr_u
(get_local $10)
(i32.const 31)
)
(i32.ge_u
(get_local $2)
(get_local $3)
)
(block
(if
(i32.eqz
(get_local $10)
(i32.eq
(get_local $2)
(get_local $3)
)
(return
(f32.mul
@ -10422,11 +10401,14 @@
)
)
(set_local $2
(get_local $10)
(i32.sub
(get_local $2)
(get_local $3)
)
)
)
)
(set_local $11
(set_local $10
(i32.clz
(i32.shl
(get_local $2)
@ -10437,13 +10419,13 @@
(set_local $4
(i32.sub
(get_local $4)
(get_local $11)
(get_local $10)
)
)
(set_local $2
(i32.shl
(get_local $2)
(get_local $11)
(get_local $10)
)
)
(if
@ -13633,7 +13615,7 @@
(call $~lib/env/abort
(i32.const 0)
(i32.const 40)
(i32.const 2022)
(i32.const 2018)
(i32.const 24)
)
(unreachable)
@ -13820,8 +13802,7 @@
(local $8 i64)
(local $9 i32)
(local $10 i64)
(local $11 i64)
(local $12 f64)
(local $11 f64)
(set_local $2
(i64.reinterpret/f64
(get_local $0)
@ -14038,81 +14019,69 @@
)
)
(block $break|1
(loop $repeat|1
(br_if $break|1
(i32.eqz
(i64.gt_s
(get_local $4)
(get_local $5)
)
(loop $continue|1
(if
(i64.gt_s
(get_local $4)
(get_local $5)
)
)
(block
(set_local $10
(i64.sub
(get_local $8)
(get_local $3)
)
)
(if
(i64.eq
(i64.shr_u
(get_local $10)
(i64.const 63)
)
(i64.const 0)
)
(block
(block
(if
(i64.ge_u
(get_local $8)
(get_local $3)
)
(block
(set_local $8
(i64.sub
(get_local $8)
(get_local $3)
)
)
(set_local $9
(i32.add
(get_local $9)
(i32.const 1)
)
)
)
)
(set_local $8
(get_local $10)
(i64.shl
(get_local $8)
(i64.const 1)
)
)
(set_local $9
(i32.add
(i32.shl
(get_local $9)
(i32.const 1)
)
)
(set_local $4
(i64.sub
(get_local $4)
(i64.const 1)
)
)
)
)
(set_local $8
(i64.shl
(get_local $8)
(i64.const 1)
)
)
(set_local $9
(i32.shl
(get_local $9)
(i32.const 1)
)
(br $continue|1)
)
)
(set_local $4
(i64.sub
(get_local $4)
(i64.const 1)
)
)
(br $repeat|1)
)
)
(set_local $10
(i64.sub
(get_local $8)
(get_local $3)
)
)
(if
(i64.eq
(i64.shr_u
(get_local $10)
(i64.const 63)
)
(i64.const 0)
(i64.ge_u
(get_local $8)
(get_local $3)
)
(block
(set_local $8
(get_local $10)
(i64.sub
(get_local $8)
(get_local $3)
)
)
(set_local $9
(i32.add
@ -14131,7 +14100,7 @@
(i64.const -60)
)
(block
(set_local $11
(set_local $10
(i64.clz
(i64.shl
(get_local $8)
@ -14142,13 +14111,13 @@
(set_local $4
(i64.sub
(get_local $4)
(get_local $11)
(get_local $10)
)
)
(set_local $8
(i64.shl
(get_local $8)
(get_local $11)
(get_local $10)
)
)
)
@ -14205,7 +14174,7 @@
(get_local $1)
)
)
(set_local $12
(set_local $11
(f64.add
(get_local $0)
(get_local $0)
@ -14233,7 +14202,7 @@
(if (result i32)
(tee_local $7
(f64.gt
(get_local $12)
(get_local $11)
(get_local $1)
)
)
@ -14241,7 +14210,7 @@
(if (result i32)
(tee_local $7
(f64.eq
(get_local $12)
(get_local $11)
(get_local $1)
)
)
@ -14290,8 +14259,7 @@
(local $7 i32)
(local $8 i32)
(local $9 i32)
(local $10 i32)
(local $11 f32)
(local $10 f32)
(set_local $2
(i32.reinterpret/f32
(get_local $0)
@ -14506,81 +14474,69 @@
)
)
(block $break|1
(loop $repeat|1
(br_if $break|1
(i32.eqz
(i32.gt_s
(get_local $4)
(get_local $5)
)
(loop $continue|1
(if
(i32.gt_s
(get_local $4)
(get_local $5)
)
)
(block
(set_local $8
(i32.sub
(get_local $7)
(get_local $3)
)
)
(if
(i32.eq
(i32.shr_u
(get_local $8)
(i32.const 31)
)
(i32.const 0)
)
(block
(block
(if
(i32.ge_u
(get_local $7)
(get_local $3)
)
(block
(set_local $7
(i32.sub
(get_local $7)
(get_local $3)
)
)
(set_local $9
(i32.add
(get_local $9)
(i32.const 1)
)
)
)
)
(set_local $7
(get_local $8)
(i32.shl
(get_local $7)
(i32.const 1)
)
)
(set_local $9
(i32.add
(i32.shl
(get_local $9)
(i32.const 1)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
)
)
(set_local $7
(i32.shl
(get_local $7)
(i32.const 1)
)
)
(set_local $9
(i32.shl
(get_local $9)
(i32.const 1)
)
(br $continue|1)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(br $repeat|1)
)
)
(set_local $8
(i32.sub
(get_local $7)
(get_local $3)
)
)
(if
(i32.eq
(i32.shr_u
(get_local $8)
(i32.const 31)
)
(i32.const 0)
(i32.ge_u
(get_local $7)
(get_local $3)
)
(block
(set_local $7
(get_local $8)
(i32.sub
(get_local $7)
(get_local $3)
)
)
(set_local $9
(i32.add
@ -14599,7 +14555,7 @@
(i32.const -30)
)
(block
(set_local $10
(set_local $8
(i32.clz
(i32.shl
(get_local $7)
@ -14610,13 +14566,13 @@
(set_local $4
(i32.sub
(get_local $4)
(get_local $10)
(get_local $8)
)
)
(set_local $7
(i32.shl
(get_local $7)
(get_local $10)
(get_local $8)
)
)
)
@ -14673,7 +14629,7 @@
(get_local $1)
)
)
(set_local $11
(set_local $10
(f32.add
(get_local $0)
(get_local $0)
@ -14701,7 +14657,7 @@
(if (result i32)
(tee_local $8
(f32.gt
(get_local $11)
(get_local $10)
(get_local $1)
)
)
@ -14709,7 +14665,7 @@
(if (result i32)
(tee_local $8
(f32.eq
(get_local $11)
(get_local $10)
(get_local $1)
)
)