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Issue 1250733005: SIMD.js Add the other SIMD Phase 1 types. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Don't run downloaded SIMD value type tests. Created 5 years, 4 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM64 7 #if V8_TARGET_ARCH_ARM64
8 8
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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214 214
215 __ Cmp(right, left); 215 __ Cmp(right, left);
216 __ B(ne, &not_identical); 216 __ B(ne, &not_identical);
217 217
218 // Test for NaN. Sadly, we can't just compare to factory::nan_value(), 218 // Test for NaN. Sadly, we can't just compare to factory::nan_value(),
219 // so we do the second best thing - test it ourselves. 219 // so we do the second best thing - test it ourselves.
220 // They are both equal and they are not both Smis so both of them are not 220 // They are both equal and they are not both Smis so both of them are not
221 // Smis. If it's not a heap number, then return equal. 221 // Smis. If it's not a heap number, then return equal.
222 Register right_type = scratch; 222 Register right_type = scratch;
223 if ((cond == lt) || (cond == gt)) { 223 if ((cond == lt) || (cond == gt)) {
224 Label not_simd;
224 // Call runtime on identical JSObjects. Otherwise return equal. 225 // Call runtime on identical JSObjects. Otherwise return equal.
225 __ JumpIfObjectType(right, right_type, right_type, FIRST_SPEC_OBJECT_TYPE, 226 __ JumpIfObjectType(right, right_type, right_type, FIRST_SPEC_OBJECT_TYPE,
226 slow, ge); 227 slow, ge);
227 // Call runtime on identical symbols since we need to throw a TypeError. 228 // Call runtime on identical symbols since we need to throw a TypeError.
228 __ Cmp(right_type, SYMBOL_TYPE); 229 __ Cmp(right_type, SYMBOL_TYPE);
229 __ B(eq, slow); 230 __ B(eq, slow);
230 // Call runtime on identical SIMD values since we must throw a TypeError. 231 // Call runtime on identical SIMD values since we must throw a TypeError.
231 __ Cmp(right_type, FLOAT32X4_TYPE); 232 __ Cmp(right_type, FIRST_SIMD_VALUE_TYPE);
232 __ B(eq, slow); 233 __ B(lt, &not_simd);
234 __ Cmp(right_type, LAST_SIMD_VALUE_TYPE);
235 __ B(le, slow);
236 __ Bind(&not_simd);
233 if (is_strong(strength)) { 237 if (is_strong(strength)) {
234 // Call the runtime on anything that is converted in the semantics, since 238 // Call the runtime on anything that is converted in the semantics, since
235 // we need to throw a TypeError. Smis have already been ruled out. 239 // we need to throw a TypeError. Smis have already been ruled out.
236 __ Cmp(right_type, Operand(HEAP_NUMBER_TYPE)); 240 __ Cmp(right_type, Operand(HEAP_NUMBER_TYPE));
237 __ B(eq, &return_equal); 241 __ B(eq, &return_equal);
238 __ Tst(right_type, Operand(kIsNotStringMask)); 242 __ Tst(right_type, Operand(kIsNotStringMask));
239 __ B(ne, slow); 243 __ B(ne, slow);
240 } 244 }
241 } else if (cond == eq) { 245 } else if (cond == eq) {
242 __ JumpIfHeapNumber(right, &heap_number); 246 __ JumpIfHeapNumber(right, &heap_number);
243 } else { 247 } else {
248 Label not_simd;
244 __ JumpIfObjectType(right, right_type, right_type, HEAP_NUMBER_TYPE, 249 __ JumpIfObjectType(right, right_type, right_type, HEAP_NUMBER_TYPE,
245 &heap_number); 250 &heap_number);
246 // Comparing JS objects with <=, >= is complicated. 251 // Comparing JS objects with <=, >= is complicated.
247 __ Cmp(right_type, FIRST_SPEC_OBJECT_TYPE); 252 __ Cmp(right_type, FIRST_SPEC_OBJECT_TYPE);
248 __ B(ge, slow); 253 __ B(ge, slow);
249 // Call runtime on identical symbols since we need to throw a TypeError. 254 // Call runtime on identical symbols since we need to throw a TypeError.
250 __ Cmp(right_type, SYMBOL_TYPE); 255 __ Cmp(right_type, SYMBOL_TYPE);
251 __ B(eq, slow); 256 __ B(eq, slow);
252 // Call runtime on identical SIMD values since we must throw a TypeError. 257 // Call runtime on identical SIMD values since we must throw a TypeError.
253 __ Cmp(right_type, FLOAT32X4_TYPE); 258 __ Cmp(right_type, FIRST_SIMD_VALUE_TYPE);
254 __ B(eq, slow); 259 __ B(lt, &not_simd);
260 __ Cmp(right_type, LAST_SIMD_VALUE_TYPE);
261 __ B(le, slow);
262 __ Bind(&not_simd);
255 if (is_strong(strength)) { 263 if (is_strong(strength)) {
256 // Call the runtime on anything that is converted in the semantics, 264 // Call the runtime on anything that is converted in the semantics,
257 // since we need to throw a TypeError. Smis and heap numbers have 265 // since we need to throw a TypeError. Smis and heap numbers have
258 // already been ruled out. 266 // already been ruled out.
259 __ Tst(right_type, Operand(kIsNotStringMask)); 267 __ Tst(right_type, Operand(kIsNotStringMask));
260 __ B(ne, slow); 268 __ B(ne, slow);
261 } 269 }
262 // Normally here we fall through to return_equal, but undefined is 270 // Normally here we fall through to return_equal, but undefined is
263 // special: (undefined == undefined) == true, but 271 // special: (undefined == undefined) == true, but
264 // (undefined <= undefined) == false! See ECMAScript 11.8.5. 272 // (undefined <= undefined) == false! See ECMAScript 11.8.5.
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5989 MemOperand(fp, 6 * kPointerSize), NULL); 5997 MemOperand(fp, 6 * kPointerSize), NULL);
5990 } 5998 }
5991 5999
5992 6000
5993 #undef __ 6001 #undef __
5994 6002
5995 } // namespace internal 6003 } // namespace internal
5996 } // namespace v8 6004 } // namespace v8
5997 6005
5998 #endif // V8_TARGET_ARCH_ARM64 6006 #endif // V8_TARGET_ARCH_ARM64
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