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Move fmod/fmodf to builtins and bind them to the '%' operator

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This commit is contained in:
dcodeIO 2018-03-24 18:39:20 +01:00
parent 721d77012b
commit c80bf35747
21 changed files with 4378 additions and 4209 deletions
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2
dist/asc.js vendored
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2
dist/asc.js.map vendored
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2
dist/assemblyscript.js vendored
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2
dist/assemblyscript.js.map vendored
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44
src/compiler.ts
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@ -821,7 +821,7 @@ export class Compiler extends DiagnosticEmitter {
/** Compiles a readily resolved function instance. */
compileFunction(instance: Function): bool {
if (instance.is(CommonFlags.COMPILED)) return true;
assert(!instance.is(CommonFlags.AMBIENT | CommonFlags.BUILTIN) || instance.simpleName == "abort");
assert(!instance.is(CommonFlags.AMBIENT | CommonFlags.BUILTIN) || instance.internalName == "abort");
instance.set(CommonFlags.COMPILED);
// check that modifiers are matching but still compile as-is
@ -3227,14 +3227,42 @@ export class Compiler extends DiagnosticEmitter {
expr = module.createBinary(BinaryOp.RemU64, leftExpr, rightExpr);
break;
}
case TypeKind.F32:
case TypeKind.F32: {
let fmodPrototype = this.program.elementsLookup.get("fmodf");
if (!fmodPrototype) {
this.error(
DiagnosticCode.Cannot_find_name_0,
expression.range, "fmod"
);
expr = module.createUnreachable();
break;
}
assert(fmodPrototype.kind == ElementKind.FUNCTION_PROTOTYPE);
let fmodInstance = (<FunctionPrototype>fmodPrototype).resolve();
if (!(fmodInstance && this.compileFunction(fmodInstance))) {
expr = module.createUnreachable();
} else {
expr = this.makeCallDirect(fmodInstance, [ leftExpr, rightExpr ]);
}
break;
}
case TypeKind.F64: {
// TODO: internal fmod, possibly simply imported from JS
this.error(
DiagnosticCode.Operation_not_supported,
expression.range
);
expr = module.createUnreachable();
let fmodPrototype = this.program.elementsLookup.get("fmod");
if (!fmodPrototype) {
this.error(
DiagnosticCode.Cannot_find_name_0,
expression.range, "fmod"
);
expr = module.createUnreachable();
break;
}
assert(fmodPrototype.kind == ElementKind.FUNCTION_PROTOTYPE);
let fmodInstance = (<FunctionPrototype>fmodPrototype).resolve();
if (!(fmodInstance && this.compileFunction(fmodInstance))) {
expr = module.createUnreachable();
} else {
expr = this.makeCallDirect(fmodInstance, [ leftExpr, rightExpr ]);
}
break;
}
default: {

2
src/program.ts
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@ -2514,7 +2514,7 @@ export class Function extends Element {
this.signature = signature;
this.memberOf = memberOf;
this.flags = prototype.flags;
if (!(prototype.is(CommonFlags.BUILTIN) || prototype.is(CommonFlags.DECLARE))) {
if (!(prototype.is(CommonFlags.AMBIENT | CommonFlags.BUILTIN) || prototype.is(CommonFlags.DECLARE))) {
let localIndex = 0;
if (memberOf && memberOf.kind == ElementKind.CLASS) {
assert(this.is(CommonFlags.INSTANCE));

4
std/assembly.d.ts vendored
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@ -249,6 +249,10 @@ declare function parseI32(str: string, radix?: i32): i32;
declare function parseI64(str: string, radix?: i32): i64;
/** Parses a string to a 64-bit float. */
declare function parseFloat(str: string): f64;
/** Returns the 64-bit floating-point remainder of `x/y`. */
declare function fmod(x: f64, y: f64): f64;
/** Returns the 32-bit floating-point remainder of `x/y`. */
declare function fmodf(x: f32, y: f32): f32;
// Standard library

120
std/assembly/builtins.ts
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@ -172,3 +172,123 @@ export namespace f64 {
export declare const HEAP_BASE: usize;
export declare function start(): void;
export function fmod(x: f64, y: f64): f64 {
// based on musl's implementation of fmod
var ux = reinterpret<u64>(x);
var uy = reinterpret<u64>(y);
var ex = <i32>(ux >> 52 & 0x7ff);
var ey = <i32>(uy >> 52 & 0x7ff);
var sx = <i32>(ux >> 63);
if (uy << 1 == 0 || isNaN<f64>(y) || ex == 0x7ff) {
return (x * y) / (x * y);
}
if (ux << 1 <= uy << 1) {
if (ux << 1 == uy << 1) return 0 * x;
return x;
}
// normalize x and y
var i: u64;
if (!ex) {
for (i = ux << 12; !(i >> 63); i <<= 1) --ex;
ux <<= -ex + 1;
} else {
ux &= <u64>-1 >> 12;
ux |= 1 << 52;
}
if (!ey) {
for (i = uy << 12; !(i >> 63); i <<= 1) --ey;
uy <<= -ey + 1;
} else {
uy &= <u64>-1 >> 12;
uy |= 1 << 52;
}
// x mod y
for (; ex > ey; ex--) {
i = ux - uy;
if (!(i >> 63)) {
if (!i) return 0 * x;
ux = i;
}
ux <<= 1;
}
i = ux - uy;
if (!(i >> 63)) {
if (!i) return 0 * x;
ux = i;
}
for (; !(ux >> 52); ux <<= 1) --ex;
// scale result
if (ex > 0) {
ux -= 1 << 52;
ux |= <u64>ex << 52;
} else {
ux >>= -ex + 1;
}
ux |= <u64>sx << 63;
return reinterpret<f64>(ux);
}
export function fmodf(x: f32, y: f32): f32 {
// based on musl's implementation of fmodf
var ux = reinterpret<u32>(x);
var uy = reinterpret<u32>(y);
var ex = <i32>(ux >> 23 & 0xff);
var ey = <i32>(uy >> 23 & 0xff);
var sx = ux & 0x80000000;
if (uy << 1 == 0 || isNaN<f32>(y) || ex == 0xff) {
return (x * y) / (x * y);
}
if (ux << 1 <= uy << 1) {
if (ux << 1 == uy << 1) return 0 * x;
return x;
}
// normalize x and y
var i: u32;
if (!ex) {
for (i = ux << 9; !(i >> 31); i <<= 1) --ex;
ux <<= -ex + 1;
} else {
ux &= <u32>-1 >> 9;
ux |= 1 << 23;
}
if (!ey) {
for (i = uy << 9; !(i >> 31); i <<= 1) --ey;
uy <<= -ey + 1;
} else {
uy &= <u32>-1 >> 9;
uy |= 1 << 23;
}
// x mod y
for (; ex > ey; --ex) {
i = ux - uy;
if (!(i >> 31)) {
if (!i) return 0 * x;
ux = i;
}
ux <<= 1;
}
i = ux - uy;
if (!(i >> 31)) {
if (!i) return 0 * x;
ux = i;
}
for (; !(ux >> 23); ux <<= 1) --ex;
// scale result
if (ex > 0) {
ux -= 1 << 23;
ux |= <u32>ex << 23;
} else {
ux >>= -ex + 1;
}
ux |= sx;
return reinterpret<f32>(ux);
}

95
std/portable.d.ts vendored
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@ -193,6 +193,10 @@ declare function parseInt(str: string, radix?: i32): f64;
declare function parseI32(str: string, radix?: i32): i32;
/** Parses a floating point string to a 64-bit float. */
declare function parseFloat(str: string): f64;
/** Returns the 64-bit floating-point remainder of `x/y`. */
declare function fmod(x: f64, y: f64): f64;
/** Returns the 32-bit floating-point remainder of `x/y`. */
declare function fmodf(x: f32, y: f32): f32;
// Portable standard library
// Everything marked @deprecated is a temporary filler. Do not use.
@ -310,52 +314,55 @@ interface Iterable<T> {
interface Iterator<T> {}
declare namespace Math {
export const E: f64;
export const LN2: f64;
export const LN10: f64;
export const LOG2E: f64;
export const LOG10E: f64;
export const PI: f64;
export const SQRT1_2: f64;
export const SQRT2: f64;
export function abs(x: f64): f64;
export function acos(x: f64): f64;
export function acosh(x: f64): f64;
export function asin(x: f64): f64;
export function asinh(x: f64): f64;
export function atan(x: f64): f64;
export function atan2(y: f64, x: f64): f64;
export function atanh(x: f64): f64;
export function cbrt(x: f64): f64;
export function ceil(x: f64): f64;
export function clz32(x: f64): i32;
export function cos(x: f64): f64;
export function cosh(x: f64): f64;
export function exp(x: f64): f64;
export function expm1(x: f64): f64;
export function floor(x: f64): f64;
export function fround(x: f64): f32;
export function hypot(value1: f64, value2: f64): f64; // TODO: see std/math
export function imul(a: f64, b: f64): i32;
export function log(x: f64): f64;
export function log10(x: f64): f64;
export function log1p(x: f64): f64;
export function log2(x: f64): f64;
export function max(value1: f64, value2: f64): f64; // TODO: see std/math
export function min(value1: f64, value2: f64): f64; // TODO: see std/math
export function pow(base: f64, exponent: f64): f64;
export function random(): f64;
export function round(x: f64): f64;
export function sign(x: f64): f64;
export function sin(x: f64): f64;
export function sinh(x: f64): f64;
export function sqrt(x: f64): f64;
export function tan(x: f64): f64;
export function tanh(x: f64): f64;
export function trunc(x: f64): f64;
interface IMath {
readonly E: f64;
readonly LN2: f64;
readonly LN10: f64;
readonly LOG2E: f64;
readonly LOG10E: f64;
readonly PI: f64;
readonly SQRT1_2: f64;
readonly SQRT2: f64;
abs(x: f64): f64;
acos(x: f64): f64;
acosh(x: f64): f64;
asin(x: f64): f64;
asinh(x: f64): f64;
atan(x: f64): f64;
atan2(y: f64, x: f64): f64;
atanh(x: f64): f64;
cbrt(x: f64): f64;
ceil(x: f64): f64;
clz32(x: f64): i32;
cos(x: f64): f64;
cosh(x: f64): f64;
exp(x: f64): f64;
expm1(x: f64): f64;
floor(x: f64): f64;
fround(x: f64): f32;
hypot(value1: f64, value2: f64): f64; // TODO: see std/math
imul(a: f64, b: f64): i32;
log(x: f64): f64;
log10(x: f64): f64;
log1p(x: f64): f64;
log2(x: f64): f64;
max(value1: f64, value2: f64): f64; // TODO: see std/math
min(value1: f64, value2: f64): f64; // TODO: see std/math
pow(base: f64, exponent: f64): f64;
random(): f64;
round(x: f64): f64;
sign(x: f64): f64;
sin(x: f64): f64;
sinh(x: f64): f64;
sqrt(x: f64): f64;
tan(x: f64): f64;
tanh(x: f64): f64;
trunc(x: f64): f64;
}
declare const Math: IMath;
declare const JSMath: IMath;
declare namespace console {
/** @deprecated */
function log(message: string): void;

11
std/portable.js
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@ -169,4 +169,13 @@ globalScope["isString"] = function isString(arg) {
globalScope["isArray"] = Array.isArray;
require("./portable/memory");
globalScope["fmod"] = function fmod(x, y) {
return x % y;
};
globalScope["fmodf"] = function fmodf(x, y) {
return Math.fround(x % y);
};
require("./portable/math")(globalScope);
require("./portable/memory")(globalScope);

3
std/portable/math.js Normal file
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@ -0,0 +1,3 @@
module.exports = globalScope => {
globalScope["JSMath"] = Math;
};

70
std/portable/memory.js
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@ -1,38 +1,38 @@
var globalScope = typeof window !== "undefined" && window || typeof global !== "undefined" && global || self;
module.exports = globalScope => {
var HEAP = new Uint8Array(0);
var HEAP_OFFSET = 0;
var HEAP = new Uint8Array(0);
var HEAP_OFFSET = 0;
globalScope["allocate_memory"] = function allocate_memory(size) {
if (!(size >>>= 0))
return 0;
if (HEAP_OFFSET + size > HEAP.length) {
var oldHeap = HEAP;
HEAP = new Uint8Array(Math.max(65536, HEAP.length + size, HEAP.length * 2));
HEAP.set(oldHeap);
}
var ptr = HEAP_OFFSET;
if ((HEAP_OFFSET += size) & 7)
HEAP_OFFSET = (HEAP_OFFSET | 7) + 1;
return ptr;
};
globalScope["allocate_memory"] = function allocate_memory(size) {
if (!(size >>>= 0))
return 0;
if (HEAP_OFFSET + size > HEAP.length) {
var oldHeap = HEAP;
HEAP = new Uint8Array(Math.max(65536, HEAP.length + size, HEAP.length * 2));
HEAP.set(oldHeap);
}
var ptr = HEAP_OFFSET;
if ((HEAP_OFFSET += size) & 7)
HEAP_OFFSET = (HEAP_OFFSET | 7) + 1;
return ptr;
};
globalScope["free_memory"] = function free_memory(ptr) {
// TODO
};
globalScope["move_memory"] = function move_memory(dest, src, n) {
HEAP.copyWithin(dest, src, src + n);
};
globalScope["store"] = function store(ptr, val, off) {
if (typeof off === "number")
ptr += off;
HEAP[ptr] = val;
};
globalScope["load"] = function load(ptr) {
if (typeof off === "number")
ptr += off;
return HEAP[ptr];
globalScope["free_memory"] = function free_memory(ptr) {
// TODO
};
globalScope["move_memory"] = function move_memory(dest, src, n) {
HEAP.copyWithin(dest, src, src + n);
};
globalScope["store"] = function store(ptr, val, off) {
if (typeof off === "number")
ptr += off;
HEAP[ptr] = val;
};
globalScope["load"] = function load(ptr) {
if (typeof off === "number")
ptr += off;
return HEAP[ptr];
};
};

932
tests/compiler/builtins.optimized.wat
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@ -1,6 +1,8 @@
(module
(type $iiiiv (func (param i32 i32 i32 i32)))
(type $v (func))
(type $FFF (func (param f64 f64) (result f64)))
(type $fff (func (param f32 f32) (result f32)))
(import "env" "abort" (func $abort (param i32 i32 i32 i32)))
(global $builtins/b (mut i32) (i32.const 0))
(global $builtins/i (mut i32) (i32.const 0))
@ -19,7 +21,731 @@
(func $builtins/test (; 1 ;) (type $v)
(nop)
)
(func $start (; 2 ;) (type $v)
(func $fmod (; 2 ;) (type $FFF) (param $0 f64) (param $1 f64) (result f64)
(local $2 i64)
(local $3 i32)
(local $4 i64)
(local $5 i64)
(local $6 i32)
(local $7 i32)
(local $8 f64)
(block $folding-inner0
(set_local $3
(i32.wrap/i64
(i64.and
(i64.shr_u
(tee_local $2
(i64.reinterpret/f64
(get_local $0)
)
)
(i64.const 52)
)
(i64.const 2047)
)
)
)
(set_local $6
(i32.wrap/i64
(i64.and
(i64.shr_u
(tee_local $5
(i64.reinterpret/f64
(get_local $1)
)
)
(i64.const 52)
)
(i64.const 2047)
)
)
)
(if
(i32.and
(if (result i32)
(tee_local $7
(i32.and
(if (result i32)
(tee_local $7
(i64.eq
(i64.shl
(get_local $5)
(i64.const 1)
)
(i64.const 0)
)
)
(get_local $7)
(f64.ne
(tee_local $8
(get_local $1)
)
(get_local $8)
)
)
(i32.const 1)
)
)
(get_local $7)
(i32.eq
(get_local $3)
(i32.const 2047)
)
)
(i32.const 1)
)
(return
(f64.div
(f64.mul
(get_local $0)
(get_local $1)
)
(f64.mul
(get_local $0)
(get_local $1)
)
)
)
)
(if
(i64.le_u
(i64.shl
(get_local $2)
(i64.const 1)
)
(i64.shl
(get_local $5)
(i64.const 1)
)
)
(block
(br_if $folding-inner0
(i64.eq
(i64.shl
(get_local $2)
(i64.const 1)
)
(i64.shl
(get_local $5)
(i64.const 1)
)
)
)
(return
(get_local $0)
)
)
)
(set_local $7
(i32.wrap/i64
(i64.shr_u
(get_local $2)
(i64.const 63)
)
)
)
(set_local $2
(if (result i64)
(get_local $3)
(i64.or
(i64.and
(get_local $2)
(i64.const 4503599627370495)
)
(i64.const 4503599627370496)
)
(block (result i64)
(set_local $4
(i64.shl
(get_local $2)
(i64.const 12)
)
)
(loop $continue|0
(if
(i64.eqz
(i64.shr_u
(get_local $4)
(i64.const 63)
)
)
(block
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(set_local $4
(i64.shl
(get_local $4)
(i64.const 1)
)
)
(br $continue|0)
)
)
)
(i64.shl
(get_local $2)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $3)
)
)
)
)
)
)
(set_local $5
(if (result i64)
(get_local $6)
(i64.or
(i64.and
(get_local $5)
(i64.const 4503599627370495)
)
(i64.const 4503599627370496)
)
(block (result i64)
(set_local $4
(i64.shl
(get_local $5)
(i64.const 12)
)
)
(loop $continue|1
(if
(i64.eqz
(i64.shr_u
(get_local $4)
(i64.const 63)
)
)
(block
(set_local $6
(i32.sub
(get_local $6)
(i32.const 1)
)
)
(set_local $4
(i64.shl
(get_local $4)
(i64.const 1)
)
)
(br $continue|1)
)
)
)
(i64.shl
(get_local $5)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $6)
)
)
)
)
)
)
(loop $continue|2
(if
(i32.gt_s
(get_local $3)
(get_local $6)
)
(block
(if
(i64.eqz
(i64.shr_u
(tee_local $4
(i64.sub
(get_local $2)
(get_local $5)
)
)
(i64.const 63)
)
)
(block
(br_if $folding-inner0
(i64.eqz
(get_local $4)
)
)
(set_local $2
(get_local $4)
)
)
)
(set_local $2
(i64.shl
(get_local $2)
(i64.const 1)
)
)
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(br $continue|2)
)
)
)
(if
(i64.eqz
(i64.shr_u
(tee_local $4
(i64.sub
(get_local $2)
(get_local $5)
)
)
(i64.const 63)
)
)
(block
(br_if $folding-inner0
(i64.eqz
(get_local $4)
)
)
(set_local $2
(get_local $4)
)
)
)
(loop $continue|3
(if
(i64.eqz
(i64.shr_u
(get_local $2)
(i64.const 52)
)
)
(block
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(set_local $2
(i64.shl
(get_local $2)
(i64.const 1)
)
)
(br $continue|3)
)
)
)
(return
(f64.reinterpret/i64
(i64.or
(tee_local $2
(select
(i64.or
(i64.sub
(get_local $2)
(i64.const 4503599627370496)
)
(i64.shl
(i64.extend_u/i32
(get_local $3)
)
(i64.const 52)
)
)
(i64.shr_u
(get_local $2)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $3)
)
)
)
(i32.gt_s
(get_local $3)
(i32.const 0)
)
)
)
(i64.shl
(i64.extend_u/i32
(get_local $7)
)
(i64.const 63)
)
)
)
)
)
(f64.mul
(f64.const 0)
(get_local $0)
)
)
(func $fmodf (; 3 ;) (type $fff) (param $0 f32) (param $1 f32) (result f32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 f32)
(local $8 i32)
(block $folding-inner0
(set_local $4
(i32.and
(i32.shr_u
(tee_local $2
(i32.reinterpret/f32
(get_local $0)
)
)
(i32.const 23)
)
(i32.const 255)
)
)
(set_local $6
(i32.and
(i32.shr_u
(tee_local $5
(i32.reinterpret/f32
(get_local $1)
)
)
(i32.const 23)
)
(i32.const 255)
)
)
(if
(i32.and
(if (result i32)
(tee_local $3
(i32.and
(if (result i32)
(tee_local $3
(i32.eqz
(i32.shl
(get_local $5)
(i32.const 1)
)
)
)
(get_local $3)
(f32.ne
(tee_local $7
(get_local $1)
)
(get_local $7)
)
)
(i32.const 1)
)
)
(get_local $3)
(i32.eq
(get_local $4)
(i32.const 255)
)
)
(i32.const 1)
)
(return
(f32.div
(f32.mul
(get_local $0)
(get_local $1)
)
(f32.mul
(get_local $0)
(get_local $1)
)
)
)
)
(if
(i32.le_u
(i32.shl
(get_local $2)
(i32.const 1)
)
(i32.shl
(get_local $5)
(i32.const 1)
)
)
(block
(br_if $folding-inner0
(i32.eq
(i32.shl
(get_local $2)
(i32.const 1)
)
(i32.shl
(get_local $5)
(i32.const 1)
)
)
)
(return
(get_local $0)
)
)
)
(set_local $8
(i32.and
(get_local $2)
(i32.const -2147483648)
)
)
(set_local $2
(if (result i32)
(get_local $4)
(i32.or
(i32.and
(get_local $2)
(i32.const 8388607)
)
(i32.const 8388608)
)
(block (result i32)
(set_local $3
(i32.shl
(get_local $2)
(i32.const 9)
)
)
(loop $continue|0
(if
(i32.eqz
(i32.shr_u
(get_local $3)
(i32.const 31)
)
)
(block
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(set_local $3
(i32.shl
(get_local $3)
(i32.const 1)
)
)
(br $continue|0)
)
)
)
(i32.shl
(get_local $2)
(i32.sub
(i32.const 1)
(get_local $4)
)
)
)
)
)
(set_local $5
(if (result i32)
(get_local $6)
(i32.or
(i32.and
(get_local $5)
(i32.const 8388607)
)
(i32.const 8388608)
)
(block (result i32)
(set_local $3
(i32.shl
(get_local $5)
(i32.const 9)
)
)
(loop $continue|1
(if
(i32.eqz
(i32.shr_u
(get_local $3)
(i32.const 31)
)
)
(block
(set_local $6
(i32.sub
(get_local $6)
(i32.const 1)
)
)
(set_local $3
(i32.shl
(get_local $3)
(i32.const 1)
)
)
(br $continue|1)
)
)
)
(i32.shl
(get_local $5)
(i32.sub
(i32.const 1)
(get_local $6)
)
)
)
)
)
(loop $continue|2
(if
(i32.gt_s
(get_local $4)
(get_local $6)
)
(block
(if
(i32.eqz
(i32.shr_u
(tee_local $3
(i32.sub
(get_local $2)
(get_local $5)
)
)
(i32.const 31)
)
)
(block
(br_if $folding-inner0
(i32.eqz
(get_local $3)
)
)
(set_local $2
(get_local $3)
)
)
)
(set_local $2
(i32.shl
(get_local $2)
(i32.const 1)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(br $continue|2)
)
)
)
(if
(i32.eqz
(i32.shr_u
(tee_local $3
(i32.sub
(get_local $2)
(get_local $5)
)
)
(i32.const 31)
)
)
(block
(br_if $folding-inner0
(i32.eqz
(get_local $3)
)
)
(set_local $2
(get_local $3)
)
)
)
(loop $continue|3
(if
(i32.eqz
(i32.shr_u
(get_local $2)
(i32.const 23)
)
)
(block
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(set_local $2
(i32.shl
(get_local $2)
(i32.const 1)
)
)
(br $continue|3)
)
)
)
(return
(f32.reinterpret/i32
(i32.or
(tee_local $2
(select
(i32.or
(i32.sub
(get_local $2)
(i32.const 8388608)
)
(i32.shl
(get_local $4)
(i32.const 23)
)
)
(i32.shr_u
(get_local $2)
(i32.sub
(i32.const 1)
(get_local $4)
)
)
(i32.gt_s
(get_local $4)
(i32.const 0)
)
)
)
(get_local $8)
)
)
)
)
(f32.mul
(f32.const 0)
(get_local $0)
)
)
(func $start (; 4 ;) (type $v)
(local $0 f32)
(local $1 f64)
(local $2 i32)
@ -840,5 +1566,209 @@
(unreachable)
)
)
(if
(f64.eq
(tee_local $1
(call $fmod
(f64.const 1)
(f64.const nan:0x8000000000000)
)
)
(get_local $1)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 295)
(i32.const 0)
)
(unreachable)
)
)
(if
(f64.ne
(call $fmod
(f64.const 1.5)
(f64.const 1)
)
(f64.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 296)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f64.lt
(f64.sub
(call $fmod
(f64.const 9.2)
(f64.const 2)
)
(f64.const 1.2)
)
(f64.const 2.220446049250313e-16)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 297)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f64.lt
(f64.sub
(call $fmod
(f64.const 9.2)
(f64.const 3.7)
)
(f64.const 1.8)
)
(f64.const 2.220446049250313e-16)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 298)
(i32.const 0)
)
(unreachable)
)
)
(if
(f32.eq
(tee_local $0
(call $fmodf
(f32.const 1)
(f32.const nan:0x400000)
)
)
(get_local $0)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 300)
(i32.const 0)
)
(unreachable)
)
)
(if
(f32.ne
(call $fmodf
(f32.const 1.5)
(f32.const 1)
)
(f32.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 301)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.lt
(f32.sub
(call $fmodf
(f32.const 9.199999809265137)
(f32.const 2)
)
(f32.const 1.2000000476837158)
)
(f32.const 1.1920928955078125e-07)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 302)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.lt
(f32.sub
(call $fmodf
(f32.const 9.199999809265137)
(f32.const 3.700000047683716)
)
(f32.const 1.7999999523162842)
)
(f32.const 1.1920928955078125e-07)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 303)
(i32.const 0)
)
(unreachable)
)
)
(if
(f64.ne
(call $fmod
(f64.const 1.5)
(f64.const 1)
)
(f64.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 305)
(i32.const 0)
)
(unreachable)
)
)
(if
(f32.ne
(call $fmodf
(f32.const 1.5)
(f32.const 1)
)
(f32.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 306)
(i32.const 0)
)
(unreachable)
)
)
)
)

13
tests/compiler/builtins.ts
View File

@ -292,6 +292,19 @@ assert(f64.MIN_SAFE_INTEGER == -9007199254740991);
assert(f64.MAX_SAFE_INTEGER == 9007199254740991);
assert(f64.EPSILON == 2.2204460492503131e-16);
assert(isNaN<f64>(fmod(1, NaN)));
assert(fmod(1.5, 1.0) == 0.5); // exactly 0.5 (as in C)
assert(fmod(9.2, 2.0) - 1.2 < f64.EPSILON); // not exactly 1.2 (as in C)
assert(fmod(9.2, 3.7) - 1.8 < f64.EPSILON); // not exactly 1.8 (as in C)
assert(isNaN<f32>(fmodf(1, NaN)));
assert(fmodf(1.5, 1.0) == 0.5);
assert(fmodf(9.2, 2.0) - 1.2 < f32.EPSILON);
assert(fmodf(9.2, 3.7) - 1.8 < f32.EPSILON);
assert(1.5 % 1.0 == 0.5); // should implicitly call fmod
assert(<f32>1.5 % 1.0 == 0.5); // should implicitly call fmodf
import {
isNaN as isItNaN
} from "builtins";

1111
tests/compiler/builtins.untouched.wat
View File

File diff suppressed because it is too large Load Diff

909
tests/compiler/fmod.optimized.wat
View File

@ -1,909 +0,0 @@
(module
(type $FFF (func (param f64 f64) (result f64)))
(type $iiiiv (func (param i32 i32 i32 i32)))
(type $fff (func (param f32 f32) (result f32)))
(type $v (func))
(import "env" "abort" (func $abort (param i32 i32 i32 i32)))
(memory $0 1)
(data (i32.const 4) "\07\00\00\00f\00m\00o\00d\00.\00t\00s")
(export "fmod" (func $fmod/fmod))
(export "fmodf" (func $fmod/fmodf))
(export "memory" (memory $0))
(start $start)
(func $fmod/fmod (; 1 ;) (type $FFF) (param $0 f64) (param $1 f64) (result f64)
(local $2 i64)
(local $3 i32)
(local $4 i64)
(local $5 i64)
(local $6 i32)
(local $7 i32)
(local $8 f64)
(block $folding-inner0
(set_local $3
(i32.wrap/i64
(i64.and
(i64.shr_u
(tee_local $2
(i64.reinterpret/f64
(get_local $0)
)
)
(i64.const 52)
)
(i64.const 2047)
)
)
)
(set_local $6
(i32.wrap/i64
(i64.and
(i64.shr_u
(tee_local $5
(i64.reinterpret/f64
(get_local $1)
)
)
(i64.const 52)
)
(i64.const 2047)
)
)
)
(if
(i32.and
(if (result i32)
(tee_local $7
(i32.and
(if (result i32)
(tee_local $7
(i64.eq
(i64.shl
(get_local $5)
(i64.const 1)
)
(i64.const 0)
)
)
(get_local $7)
(f64.ne
(tee_local $8
(get_local $1)
)
(get_local $8)
)
)
(i32.const 1)
)
)
(get_local $7)
(i32.eq
(get_local $3)
(i32.const 2047)
)
)
(i32.const 1)
)
(return
(f64.div
(f64.mul
(get_local $0)
(get_local $1)
)
(f64.mul
(get_local $0)
(get_local $1)
)
)
)
)
(if
(i64.le_u
(i64.shl
(get_local $2)
(i64.const 1)
)
(i64.shl
(get_local $5)
(i64.const 1)
)
)
(block
(br_if $folding-inner0
(i64.eq
(i64.shl
(get_local $2)
(i64.const 1)
)
(i64.shl
(get_local $5)
(i64.const 1)
)
)
)
(return
(get_local $0)
)
)
)
(set_local $7
(i32.wrap/i64
(i64.shr_u
(get_local $2)
(i64.const 63)
)
)
)
(set_local $2
(if (result i64)
(get_local $3)
(i64.or
(i64.and
(get_local $2)
(i64.const 4503599627370495)
)
(i64.const 4503599627370496)
)
(block (result i64)
(set_local $4
(i64.shl
(get_local $2)
(i64.const 12)
)
)
(loop $continue|0
(if
(i64.eqz
(i64.shr_u
(get_local $4)
(i64.const 63)
)
)
(block
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(set_local $4
(i64.shl
(get_local $4)
(i64.const 1)
)
)
(br $continue|0)
)
)
)
(i64.shl
(get_local $2)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $3)
)
)
)
)
)
)
(set_local $5
(if (result i64)
(get_local $6)
(i64.or
(i64.and
(get_local $5)
(i64.const 4503599627370495)
)
(i64.const 4503599627370496)
)
(block (result i64)
(set_local $4
(i64.shl
(get_local $5)
(i64.const 12)
)
)
(loop $continue|1
(if
(i64.eqz
(i64.shr_u
(get_local $4)
(i64.const 63)
)
)
(block
(set_local $6
(i32.sub
(get_local $6)
(i32.const 1)
)
)
(set_local $4
(i64.shl
(get_local $4)
(i64.const 1)
)
)
(br $continue|1)
)
)
)
(i64.shl
(get_local $5)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $6)
)
)
)
)
)
)
(loop $continue|2
(if
(i32.gt_s
(get_local $3)
(get_local $6)
)
(block
(if
(i64.eqz
(i64.shr_u
(tee_local $4
(i64.sub
(get_local $2)
(get_local $5)
)
)
(i64.const 63)
)
)
(block
(br_if $folding-inner0
(i64.eqz
(get_local $4)
)
)
(set_local $2
(get_local $4)
)
)
)
(set_local $2
(i64.shl
(get_local $2)
(i64.const 1)
)
)
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(br $continue|2)
)
)
)
(if
(i64.eqz
(i64.shr_u
(tee_local $4
(i64.sub
(get_local $2)
(get_local $5)
)
)
(i64.const 63)
)
)
(block
(br_if $folding-inner0
(i64.eqz
(get_local $4)
)
)
(set_local $2
(get_local $4)
)
)
)
(loop $continue|3
(if
(i64.eqz
(i64.shr_u
(get_local $2)
(i64.const 52)
)
)
(block
(set_local $3
(i32.sub
(get_local $3)
(i32.const 1)
)
)
(set_local $2
(i64.shl
(get_local $2)
(i64.const 1)
)
)
(br $continue|3)
)
)
)
(return
(f64.reinterpret/i64
(i64.or
(tee_local $2
(select
(i64.or
(i64.sub
(get_local $2)
(i64.const 4503599627370496)
)
(i64.shl
(i64.extend_u/i32
(get_local $3)
)
(i64.const 52)
)
)
(i64.shr_u
(get_local $2)
(i64.extend_u/i32
(i32.sub
(i32.const 1)
(get_local $3)
)
)
)
(i32.gt_s
(get_local $3)
(i32.const 0)
)
)
)
(i64.shl
(i64.extend_u/i32
(get_local $7)
)
(i64.const 63)
)
)
)
)
)
(f64.mul
(f64.const 0)
(get_local $0)
)
)
(func $fmod/fmodf (; 2 ;) (type $fff) (param $0 f32) (param $1 f32) (result f32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 f32)
(local $8 i32)
(block $folding-inner0
(set_local $4
(i32.and
(i32.shr_u
(tee_local $2
(i32.reinterpret/f32
(get_local $0)
)
)
(i32.const 23)
)
(i32.const 255)
)
)
(set_local $6
(i32.and
(i32.shr_u
(tee_local $5
(i32.reinterpret/f32
(get_local $1)
)
)
(i32.const 23)
)
(i32.const 255)
)
)
(if
(i32.and
(if (result i32)
(tee_local $3
(i32.and
(if (result i32)
(tee_local $3
(i32.eqz
(i32.shl
(get_local $5)
(i32.const 1)
)
)
)
(get_local $3)
(f32.ne
(tee_local $7
(get_local $1)
)
(get_local $7)
)
)
(i32.const 1)
)
)
(get_local $3)
(i32.eq
(get_local $4)
(i32.const 255)
)
)
(i32.const 1)
)
(return
(f32.div
(f32.mul
(get_local $0)
(get_local $1)
)
(f32.mul
(get_local $0)
(get_local $1)
)
)
)
)
(if
(i32.le_u
(i32.shl
(get_local $2)
(i32.const 1)
)
(i32.shl
(get_local $5)
(i32.const 1)
)
)
(block
(br_if $folding-inner0
(i32.eq
(i32.shl
(get_local $2)
(i32.const 1)
)
(i32.shl
(get_local $5)
(i32.const 1)
)
)
)
(return
(get_local $0)
)
)
)
(set_local $8
(i32.and
(get_local $2)
(i32.const -2147483648)
)
)
(set_local $2
(if (result i32)
(get_local $4)
(i32.or
(i32.and
(get_local $2)
(i32.const 8388607)
)
(i32.const 8388608)
)
(block (result i32)
(set_local $3
(i32.shl
(get_local $2)
(i32.const 9)
)
)
(loop $continue|0
(if
(i32.eqz
(i32.shr_u
(get_local $3)
(i32.const 31)
)
)
(block
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(set_local $3
(i32.shl
(get_local $3)
(i32.const 1)
)
)
(br $continue|0)
)
)
)
(i32.shl
(get_local $2)
(i32.sub
(i32.const 1)
(get_local $4)
)
)
)
)
)
(set_local $5
(if (result i32)
(get_local $6)
(i32.or
(i32.and
(get_local $5)
(i32.const 8388607)
)
(i32.const 8388608)
)
(block (result i32)
(set_local $3
(i32.shl
(get_local $5)
(i32.const 9)
)
)
(loop $continue|1
(if
(i32.eqz
(i32.shr_u
(get_local $3)
(i32.const 31)
)
)
(block
(set_local $6
(i32.sub
(get_local $6)
(i32.const 1)
)
)
(set_local $3
(i32.shl
(get_local $3)
(i32.const 1)
)
)
(br $continue|1)
)
)
)
(i32.shl
(get_local $5)
(i32.sub
(i32.const 1)
(get_local $6)
)
)
)
)
)
(loop $continue|2
(if
(i32.gt_s
(get_local $4)
(get_local $6)
)
(block
(if
(i32.eqz
(i32.shr_u
(tee_local $3
(i32.sub
(get_local $2)
(get_local $5)
)
)
(i32.const 31)
)
)
(block
(br_if $folding-inner0
(i32.eqz
(get_local $3)
)
)
(set_local $2
(get_local $3)
)
)
)
(set_local $2
(i32.shl
(get_local $2)
(i32.const 1)
)
)
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(br $continue|2)
)
)
)
(if
(i32.eqz
(i32.shr_u
(tee_local $3
(i32.sub
(get_local $2)
(get_local $5)
)
)
(i32.const 31)
)
)
(block
(br_if $folding-inner0
(i32.eqz
(get_local $3)
)
)
(set_local $2
(get_local $3)
)
)
)
(loop $continue|3
(if
(i32.eqz
(i32.shr_u
(get_local $2)
(i32.const 23)
)
)
(block
(set_local $4
(i32.sub
(get_local $4)
(i32.const 1)
)
)
(set_local $2
(i32.shl
(get_local $2)
(i32.const 1)
)
)
(br $continue|3)
)
)
)
(return
(f32.reinterpret/i32
(i32.or
(tee_local $2
(select
(i32.or
(i32.sub
(get_local $2)
(i32.const 8388608)
)
(i32.shl
(get_local $4)
(i32.const 23)
)
)
(i32.shr_u
(get_local $2)
(i32.sub
(i32.const 1)
(get_local $4)
)
)
(i32.gt_s
(get_local $4)
(i32.const 0)
)
)
)
(get_local $8)
)
)
)
)
(f32.mul
(f32.const 0)
(get_local $0)
)
)
(func $start (; 3 ;) (type $v)
(local $0 f64)
(local $1 f32)
(if
(f64.eq
(tee_local $0
(call $fmod/fmod
(f64.const 1)
(f64.const nan:0x8000000000000)
)
)
(get_local $0)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 65)
(i32.const 0)
)
(unreachable)
)
)
(if
(f64.ne
(call $fmod/fmod
(f64.const 1.5)
(f64.const 1)
)
(f64.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 66)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f64.lt
(f64.sub
(call $fmod/fmod
(f64.const 9.2)
(f64.const 2)
)
(f64.const 1.2)
)
(f64.const 2.220446049250313e-16)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 67)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f64.lt
(f64.sub
(call $fmod/fmod
(f64.const 9.2)
(f64.const 3.7)
)
(f64.const 1.8)
)
(f64.const 2.220446049250313e-16)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 68)
(i32.const 0)
)
(unreachable)
)
)
(if
(f32.eq
(tee_local $1
(call $fmod/fmodf
(f32.const 1)
(f32.const nan:0x400000)
)
)
(get_local $1)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 134)
(i32.const 0)
)
(unreachable)
)
)
(if
(f32.ne
(call $fmod/fmodf
(f32.const 1.5)
(f32.const 1)
)
(f32.const 0.5)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 135)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.lt
(f32.sub
(call $fmod/fmodf
(f32.const 9.199999809265137)
(f32.const 2)
)
(f32.const 1.2000000476837158)
)
(f32.const 1.1920928955078125e-07)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 136)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.lt
(f32.sub
(call $fmod/fmodf
(f32.const 9.199999809265137)
(f32.const 3.700000047683716)
)
(f32.const 1.7999999523162842)
)
(f32.const 1.1920928955078125e-07)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 137)
(i32.const 0)
)
(unreachable)
)
)
)
)

137
tests/compiler/fmod.ts
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@ -1,137 +0,0 @@
export function fmod(x: f64, y: f64): f64 {
// the following is based on musl's implementation of fmod
var ux = reinterpret<u64>(x);
var uy = reinterpret<u64>(y);
var ex = <i32>(ux >> 52 & 0x7ff);
var ey = <i32>(uy >> 52 & 0x7ff);
var sx = <i32>(ux >> 63);
if (uy << 1 == 0 || isNaN<f64>(y) || ex == 0x7ff)
return (x * y) / (x * y);
if (ux << 1 <= uy << 1) {
if (ux << 1 == uy << 1)
return 0 * x;
return x;
}
// normalize x and y
if (!ex) {
for (var i = ux << 12; !(i >> 63); i <<= 1)
--ex;
ux <<= -ex + 1;
} else {
ux &= <u64>-1 >> 12;
ux |= 1 << 52;
}
if (!ey) {
for (i = uy << 12; !(i >> 63); i <<= 1)
--ey;
uy <<= -ey + 1;
} else {
uy &= <u64>-1 >> 12;
uy |= 1 << 52;
}
// x mod y
for (; ex > ey; ex--) {
i = ux - uy;
if (!(i >> 63)) {
if (!i)
return 0 * x;
ux = i;
}
ux <<= 1;
}
i = ux - uy;
if (!(i >> 63)) {
if (!i)
return 0 * x;
ux = i;
}
for (; !(ux >> 52); ux <<= 1)
--ex;
// scale result
if (ex > 0) {
ux -= 1 << 52;
ux |= <u64>ex << 52;
} else {
ux >>= -ex + 1;
}
ux |= <u64>sx << 63;
return reinterpret<f64>(ux);
}
assert(isNaN<f64>(fmod(1, NaN)));
assert(fmod(1.5, 1.0) == 0.5); // exactly 0.5 (as in C)
assert(fmod(9.2, 2.0) - 1.2 < f64.EPSILON); // not exactly 1.2 (as in C)
assert(fmod(9.2, 3.7) - 1.8 < f64.EPSILON); // not exactly 1.8 (as in C)
export function fmodf(x: f32, y: f32): f32 {
// the following is based on musl's implementation of fmodf
var ux = reinterpret<u32>(x);
var uy = reinterpret<u32>(y);
var ex = <i32>(ux >> 23 & 0xff);
var ey = <i32>(uy >> 23 & 0xff);
var sx = ux & 0x80000000;
if (uy << 1 == 0 || isNaN<f32>(y) || ex == 0xff)
return (x * y) / (x * y);
if (ux << 1 <= uy << 1) {
if (ux << 1 == uy << 1)
return 0 * x;
return x;
}
// normalize x and y
if (!ex) {
for (var i = ux << 9; !(i >> 31); i <<= 1)
--ex;
ux <<= -ex + 1;
} else {
ux &= <u32>-1 >> 9;
ux |= 1 << 23;
}
if (!ey) {
for (i = uy << 9; !(i >> 31); i <<= 1)
--ey;
uy <<= -ey + 1;
} else {
uy &= <u32>-1 >> 9;
uy |= 1 << 23;
}
// x mod y
for (; ex > ey; --ex) {
i = ux - uy;
if (!(i >> 31)) {
if (!i)
return 0 * x;
ux = i;
}
ux <<= 1;
}
i = ux - uy;
if (!(i >> 31)) {
if (!i)
return 0 * x;
ux = i;
}
for (; !(ux >> 23); ux <<= 1)
--ex;
// scale result
if (ex > 0) {
ux -= 1 << 23;
ux |= <u32>ex << 23;
} else {
ux >>= -ex + 1;
}
ux |= sx;
return reinterpret<f32>(ux);
}
assert(isNaN<f32>(fmodf(1, NaN)));
assert(fmodf(1.5, 1.0) == 0.5);
assert(fmodf(9.2, 2.0) - 1.2 < f32.EPSILON);
assert(fmodf(9.2, 3.7) - 1.8 < f32.EPSILON);

1083
tests/compiler/fmod.untouched.wat
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1845
tests/compiler/showcase.optimized.wat
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1
tests/compiler/showcase.ts
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@ -85,7 +85,6 @@ export function anExportedFunction(): void { }
// be implemented already. Here are a few more sophisitcated examples of code that'll most likely
// make it into the standard library eventually:
import "./memcpy"; // until replaced by the proposed `move_memory` intrinsic (sic.)
import "./fmod"; // for floating point modulus support, e.g., `1.5 % 1.0`
// Speaking of classes: Some preliminary work has already been done, so while we can't properly
// instantiate them yet, we can point them at some raw memory

2199
tests/compiler/showcase.untouched.wat
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