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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax --expose-gc --nostress-opt --typed-array-max-si
ze-in-heap=2048 | 28 // Flags: --allow-natives-syntax --expose-gc --nostress-opt --typed-array-max-si
ze-in-heap=2048 |
29 | 29 |
30 var elements_kind = { | 30 var elements_kind = { |
31 fast_smi_only : 'fast smi only elements', | 31 fast_smi_only : 'fast smi only elements', |
32 fast : 'fast elements', | 32 fast : 'fast elements', |
33 fast_double : 'fast double elements', | 33 fast_double : 'fast double elements', |
34 dictionary : 'dictionary elements', | 34 dictionary : 'dictionary elements', |
| 35 external_int32 : 'external int8 elements', |
| 36 external_uint8 : 'external uint8 elements', |
| 37 external_int16 : 'external int16 elements', |
| 38 external_uint16 : 'external uint16 elements', |
| 39 external_int32 : 'external int32 elements', |
| 40 external_uint32 : 'external uint32 elements', |
| 41 external_float32 : 'external float32 elements', |
| 42 external_float64 : 'external float64 elements', |
| 43 external_uint8_clamped : 'external uint8_clamped elements', |
35 fixed_int32 : 'fixed int8 elements', | 44 fixed_int32 : 'fixed int8 elements', |
36 fixed_uint8 : 'fixed uint8 elements', | 45 fixed_uint8 : 'fixed uint8 elements', |
37 fixed_int16 : 'fixed int16 elements', | 46 fixed_int16 : 'fixed int16 elements', |
38 fixed_uint16 : 'fixed uint16 elements', | 47 fixed_uint16 : 'fixed uint16 elements', |
39 fixed_int32 : 'fixed int32 elements', | 48 fixed_int32 : 'fixed int32 elements', |
40 fixed_uint32 : 'fixed uint32 elements', | 49 fixed_uint32 : 'fixed uint32 elements', |
41 fixed_float32 : 'fixed float32 elements', | 50 fixed_float32 : 'fixed float32 elements', |
42 fixed_float64 : 'fixed float64 elements', | 51 fixed_float64 : 'fixed float64 elements', |
43 fixed_uint8_clamped : 'fixed uint8_clamped elements' | 52 fixed_uint8_clamped : 'fixed uint8_clamped elements' |
44 } | 53 } |
45 | 54 |
46 function getKind(obj) { | 55 function getKind(obj) { |
47 if (%HasFastSmiElements(obj)) return elements_kind.fast_smi_only; | 56 if (%HasFastSmiElements(obj)) return elements_kind.fast_smi_only; |
48 if (%HasFastObjectElements(obj)) return elements_kind.fast; | 57 if (%HasFastObjectElements(obj)) return elements_kind.fast; |
49 if (%HasFastDoubleElements(obj)) return elements_kind.fast_double; | 58 if (%HasFastDoubleElements(obj)) return elements_kind.fast_double; |
50 if (%HasDictionaryElements(obj)) return elements_kind.dictionary; | 59 if (%HasDictionaryElements(obj)) return elements_kind.dictionary; |
51 | 60 |
| 61 // Every external kind is also an external array. |
| 62 if (%HasExternalInt8Elements(obj)) { |
| 63 return elements_kind.external_int8; |
| 64 } |
| 65 if (%HasExternalUint8Elements(obj)) { |
| 66 return elements_kind.external_uint8; |
| 67 } |
| 68 if (%HasExternalInt16Elements(obj)) { |
| 69 return elements_kind.external_int16; |
| 70 } |
| 71 if (%HasExternalUint16Elements(obj)) { |
| 72 return elements_kind.external_uint16; |
| 73 } |
| 74 if (%HasExternalInt32Elements(obj)) { |
| 75 return elements_kind.external_int32; |
| 76 } |
| 77 if (%HasExternalUint32Elements(obj)) { |
| 78 return elements_kind.external_uint32; |
| 79 } |
| 80 if (%HasExternalFloat32Elements(obj)) { |
| 81 return elements_kind.external_float32; |
| 82 } |
| 83 if (%HasExternalFloat64Elements(obj)) { |
| 84 return elements_kind.external_float64; |
| 85 } |
| 86 if (%HasExternalUint8ClampedElements(obj)) { |
| 87 return elements_kind.external_uint8_clamped; |
| 88 } |
52 if (%HasFixedInt8Elements(obj)) { | 89 if (%HasFixedInt8Elements(obj)) { |
53 return elements_kind.fixed_int8; | 90 return elements_kind.fixed_int8; |
54 } | 91 } |
55 if (%HasFixedUint8Elements(obj)) { | 92 if (%HasFixedUint8Elements(obj)) { |
56 return elements_kind.fixed_uint8; | 93 return elements_kind.fixed_uint8; |
57 } | 94 } |
58 if (%HasFixedInt16Elements(obj)) { | 95 if (%HasFixedInt16Elements(obj)) { |
59 return elements_kind.fixed_int16; | 96 return elements_kind.fixed_int16; |
60 } | 97 } |
61 if (%HasFixedUint16Elements(obj)) { | 98 if (%HasFixedUint16Elements(obj)) { |
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120 assertKind(elements_kind.fixed_uint8, new Uint8Array(007)); | 157 assertKind(elements_kind.fixed_uint8, new Uint8Array(007)); |
121 assertKind(elements_kind.fixed_int16, new Int16Array(666)); | 158 assertKind(elements_kind.fixed_int16, new Int16Array(666)); |
122 assertKind(elements_kind.fixed_uint16, new Uint16Array(42)); | 159 assertKind(elements_kind.fixed_uint16, new Uint16Array(42)); |
123 assertKind(elements_kind.fixed_int32, new Int32Array(0xF)); | 160 assertKind(elements_kind.fixed_int32, new Int32Array(0xF)); |
124 assertKind(elements_kind.fixed_uint32, new Uint32Array(23)); | 161 assertKind(elements_kind.fixed_uint32, new Uint32Array(23)); |
125 assertKind(elements_kind.fixed_float32, new Float32Array(7)); | 162 assertKind(elements_kind.fixed_float32, new Float32Array(7)); |
126 assertKind(elements_kind.fixed_float64, new Float64Array(0)); | 163 assertKind(elements_kind.fixed_float64, new Float64Array(0)); |
127 assertKind(elements_kind.fixed_uint8_clamped, new Uint8ClampedArray(512)); | 164 assertKind(elements_kind.fixed_uint8_clamped, new Uint8ClampedArray(512)); |
128 | 165 |
129 var ab = new ArrayBuffer(128); | 166 var ab = new ArrayBuffer(128); |
130 assertKind(elements_kind.fixed_int8, new Int8Array(ab)); | 167 assertKind(elements_kind.external_int8, new Int8Array(ab)); |
131 assertKind(elements_kind.fixed_uint8, new Uint8Array(ab)); | 168 assertKind(elements_kind.external_uint8, new Uint8Array(ab)); |
132 assertKind(elements_kind.fixed_int16, new Int16Array(ab)); | 169 assertKind(elements_kind.external_int16, new Int16Array(ab)); |
133 assertKind(elements_kind.fixed_uint16, new Uint16Array(ab)); | 170 assertKind(elements_kind.external_uint16, new Uint16Array(ab)); |
134 assertKind(elements_kind.fixed_int32, new Int32Array(ab)); | 171 assertKind(elements_kind.external_int32, new Int32Array(ab)); |
135 assertKind(elements_kind.fixed_uint32, new Uint32Array(ab)); | 172 assertKind(elements_kind.external_uint32, new Uint32Array(ab)); |
136 assertKind(elements_kind.fixed_float32, new Float32Array(ab)); | 173 assertKind(elements_kind.external_float32, new Float32Array(ab)); |
137 assertKind(elements_kind.fixed_float64, new Float64Array(ab)); | 174 assertKind(elements_kind.external_float64, new Float64Array(ab)); |
138 assertKind(elements_kind.fixed_uint8_clamped, new Uint8ClampedArray(ab)); | 175 assertKind(elements_kind.external_uint8_clamped, new Uint8ClampedArray(ab)); |
139 | 176 |
140 // Crankshaft support for smi-only array elements. | 177 // Crankshaft support for smi-only array elements. |
141 function monomorphic(array) { | 178 function monomorphic(array) { |
142 assertKind(elements_kind.fast_smi_only, array); | 179 assertKind(elements_kind.fast_smi_only, array); |
143 for (var i = 0; i < 3; i++) { | 180 for (var i = 0; i < 3; i++) { |
144 array[i] = i + 10; | 181 array[i] = i + 10; |
145 } | 182 } |
146 assertKind(elements_kind.fast_smi_only, array); | 183 assertKind(elements_kind.fast_smi_only, array); |
147 for (var i = 0; i < 3; i++) { | 184 for (var i = 0; i < 3; i++) { |
148 var a = array[i]; | 185 var a = array[i]; |
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340 // Test that Array.splice() and Array.slice() return correct ElementsKinds. | 377 // Test that Array.splice() and Array.slice() return correct ElementsKinds. |
341 var a = ["foo", "bar"]; | 378 var a = ["foo", "bar"]; |
342 assertKind(elements_kind.fast, a); | 379 assertKind(elements_kind.fast, a); |
343 var b = a.splice(0, 1); | 380 var b = a.splice(0, 1); |
344 assertKind(elements_kind.fast, b); | 381 assertKind(elements_kind.fast, b); |
345 var c = a.slice(0, 1); | 382 var c = a.slice(0, 1); |
346 assertKind(elements_kind.fast, c); | 383 assertKind(elements_kind.fast, c); |
347 | 384 |
348 // Throw away type information in the ICs for next stress run. | 385 // Throw away type information in the ICs for next stress run. |
349 gc(); | 386 gc(); |
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