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Issue 1273353003: [simd.js] Single SIMD128_VALUE_TYPE for all Simd128Values. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix slow check failures. REBASE. Created 5 years, 4 months ago
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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 // 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_MIPS64 7 #if V8_TARGET_ARCH_MIPS64
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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280 __ Branch(&not_identical, ne, a0, Operand(a1)); 280 __ Branch(&not_identical, ne, a0, Operand(a1));
281 281
282 __ li(exp_mask_reg, Operand(HeapNumber::kExponentMask)); 282 __ li(exp_mask_reg, Operand(HeapNumber::kExponentMask));
283 283
284 // Test for NaN. Sadly, we can't just compare to Factory::nan_value(), 284 // Test for NaN. Sadly, we can't just compare to Factory::nan_value(),
285 // so we do the second best thing - test it ourselves. 285 // so we do the second best thing - test it ourselves.
286 // They are both equal and they are not both Smis so both of them are not 286 // They are both equal and they are not both Smis so both of them are not
287 // Smis. If it's not a heap number, then return equal. 287 // Smis. If it's not a heap number, then return equal.
288 __ GetObjectType(a0, t0, t0); 288 __ GetObjectType(a0, t0, t0);
289 if (cc == less || cc == greater) { 289 if (cc == less || cc == greater) {
290 Label not_simd;
291 // Call runtime on identical JSObjects. 290 // Call runtime on identical JSObjects.
292 __ Branch(slow, greater, t0, Operand(FIRST_SPEC_OBJECT_TYPE)); 291 __ Branch(slow, greater, t0, Operand(FIRST_SPEC_OBJECT_TYPE));
293 // Call runtime on identical symbols since we need to throw a TypeError. 292 // Call runtime on identical symbols since we need to throw a TypeError.
294 __ Branch(slow, eq, t0, Operand(SYMBOL_TYPE)); 293 __ Branch(slow, eq, t0, Operand(SYMBOL_TYPE));
295 // Call runtime on identical SIMD values since we must throw a TypeError. 294 // Call runtime on identical SIMD values since we must throw a TypeError.
296 __ Branch(&not_simd, lt, t0, Operand(FIRST_SIMD_VALUE_TYPE)); 295 __ Branch(slow, eq, t0, Operand(SIMD128_VALUE_TYPE));
297 __ Branch(slow, le, t0, Operand(LAST_SIMD_VALUE_TYPE));
298 __ bind(&not_simd);
299 if (is_strong(strength)) { 296 if (is_strong(strength)) {
300 // Call the runtime on anything that is converted in the semantics, since 297 // Call the runtime on anything that is converted in the semantics, since
301 // we need to throw a TypeError. Smis have already been ruled out. 298 // we need to throw a TypeError. Smis have already been ruled out.
302 __ Branch(&return_equal, eq, t0, Operand(HEAP_NUMBER_TYPE)); 299 __ Branch(&return_equal, eq, t0, Operand(HEAP_NUMBER_TYPE));
303 __ And(t0, t0, Operand(kIsNotStringMask)); 300 __ And(t0, t0, Operand(kIsNotStringMask));
304 __ Branch(slow, ne, t0, Operand(zero_reg)); 301 __ Branch(slow, ne, t0, Operand(zero_reg));
305 } 302 }
306 } else { 303 } else {
307 __ Branch(&heap_number, eq, t0, Operand(HEAP_NUMBER_TYPE)); 304 __ Branch(&heap_number, eq, t0, Operand(HEAP_NUMBER_TYPE));
308 // Comparing JS objects with <=, >= is complicated. 305 // Comparing JS objects with <=, >= is complicated.
309 if (cc != eq) { 306 if (cc != eq) {
310 Label not_simd;
311 __ Branch(slow, greater, t0, Operand(FIRST_SPEC_OBJECT_TYPE)); 307 __ Branch(slow, greater, t0, Operand(FIRST_SPEC_OBJECT_TYPE));
312 // Call runtime on identical symbols since we need to throw a TypeError. 308 // Call runtime on identical symbols since we need to throw a TypeError.
313 __ Branch(slow, eq, t0, Operand(SYMBOL_TYPE)); 309 __ Branch(slow, eq, t0, Operand(SYMBOL_TYPE));
314 // Call runtime on identical SIMD values since we must throw a TypeError. 310 // Call runtime on identical SIMD values since we must throw a TypeError.
315 __ Branch(&not_simd, lt, t0, Operand(FIRST_SIMD_VALUE_TYPE)); 311 __ Branch(slow, eq, t0, Operand(SIMD128_VALUE_TYPE));
316 __ Branch(slow, le, t0, Operand(LAST_SIMD_VALUE_TYPE));
317 __ bind(&not_simd);
318 if (is_strong(strength)) { 312 if (is_strong(strength)) {
319 // Call the runtime on anything that is converted in the semantics, 313 // Call the runtime on anything that is converted in the semantics,
320 // since we need to throw a TypeError. Smis and heap numbers have 314 // since we need to throw a TypeError. Smis and heap numbers have
321 // already been ruled out. 315 // already been ruled out.
322 __ And(t0, t0, Operand(kIsNotStringMask)); 316 __ And(t0, t0, Operand(kIsNotStringMask));
323 __ Branch(slow, ne, t0, Operand(zero_reg)); 317 __ Branch(slow, ne, t0, Operand(zero_reg));
324 } 318 }
325 // Normally here we fall through to return_equal, but undefined is 319 // Normally here we fall through to return_equal, but undefined is
326 // special: (undefined == undefined) == true, but 320 // special: (undefined == undefined) == true, but
327 // (undefined <= undefined) == false! See ECMAScript 11.8.5. 321 // (undefined <= undefined) == false! See ECMAScript 11.8.5.
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5758 MemOperand(fp, 6 * kPointerSize), NULL); 5752 MemOperand(fp, 6 * kPointerSize), NULL);
5759 } 5753 }
5760 5754
5761 5755
5762 #undef __ 5756 #undef __
5763 5757
5764 } // namespace internal 5758 } // namespace internal
5765 } // namespace v8 5759 } // namespace v8
5766 5760
5767 #endif // V8_TARGET_ARCH_MIPS64 5761 #endif // V8_TARGET_ARCH_MIPS64
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