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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_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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284 __ Branch(¬_identical, ne, a0, Operand(a1)); | 284 __ Branch(¬_identical, ne, a0, Operand(a1)); |
285 | 285 |
286 __ li(exp_mask_reg, Operand(HeapNumber::kExponentMask)); | 286 __ li(exp_mask_reg, Operand(HeapNumber::kExponentMask)); |
287 | 287 |
288 // Test for NaN. Sadly, we can't just compare to Factory::nan_value(), | 288 // Test for NaN. Sadly, we can't just compare to Factory::nan_value(), |
289 // so we do the second best thing - test it ourselves. | 289 // so we do the second best thing - test it ourselves. |
290 // They are both equal and they are not both Smis so both of them are not | 290 // They are both equal and they are not both Smis so both of them are not |
291 // Smis. If it's not a heap number, then return equal. | 291 // Smis. If it's not a heap number, then return equal. |
292 __ GetObjectType(a0, t4, t4); | 292 __ GetObjectType(a0, t4, t4); |
293 if (cc == less || cc == greater) { | 293 if (cc == less || cc == greater) { |
| 294 Label not_simd; |
294 // Call runtime on identical JSObjects. | 295 // Call runtime on identical JSObjects. |
295 __ Branch(slow, greater, t4, Operand(FIRST_SPEC_OBJECT_TYPE)); | 296 __ Branch(slow, greater, t4, Operand(FIRST_SPEC_OBJECT_TYPE)); |
296 // Call runtime on identical symbols since we need to throw a TypeError. | 297 // Call runtime on identical symbols since we need to throw a TypeError. |
297 __ Branch(slow, eq, t4, Operand(SYMBOL_TYPE)); | 298 __ Branch(slow, eq, t4, Operand(SYMBOL_TYPE)); |
298 // Call runtime on identical SIMD values since we must throw a TypeError. | 299 // Call runtime on identical SIMD values since we must throw a TypeError. |
299 __ Branch(slow, eq, t4, Operand(FLOAT32X4_TYPE)); | 300 __ Branch(¬_simd, lt, t4, Operand(FIRST_SIMD128_VALUE_TYPE)); |
| 301 __ Branch(slow, le, t4, Operand(LAST_SIMD128_VALUE_TYPE)); |
| 302 __ bind(¬_simd); |
300 if (is_strong(strength)) { | 303 if (is_strong(strength)) { |
301 // Call the runtime on anything that is converted in the semantics, since | 304 // Call the runtime on anything that is converted in the semantics, since |
302 // we need to throw a TypeError. Smis have already been ruled out. | 305 // we need to throw a TypeError. Smis have already been ruled out. |
303 __ Branch(&return_equal, eq, t4, Operand(HEAP_NUMBER_TYPE)); | 306 __ Branch(&return_equal, eq, t4, Operand(HEAP_NUMBER_TYPE)); |
304 __ And(t4, t4, Operand(kIsNotStringMask)); | 307 __ And(t4, t4, Operand(kIsNotStringMask)); |
305 __ Branch(slow, ne, t4, Operand(zero_reg)); | 308 __ Branch(slow, ne, t4, Operand(zero_reg)); |
306 } | 309 } |
307 } else { | 310 } else { |
| 311 Label not_simd; |
308 __ Branch(&heap_number, eq, t4, Operand(HEAP_NUMBER_TYPE)); | 312 __ Branch(&heap_number, eq, t4, Operand(HEAP_NUMBER_TYPE)); |
309 // Comparing JS objects with <=, >= is complicated. | 313 // Comparing JS objects with <=, >= is complicated. |
310 if (cc != eq) { | 314 if (cc != eq) { |
311 __ Branch(slow, greater, t4, Operand(FIRST_SPEC_OBJECT_TYPE)); | 315 __ Branch(slow, greater, t4, Operand(FIRST_SPEC_OBJECT_TYPE)); |
312 // Call runtime on identical symbols since we need to throw a TypeError. | 316 // Call runtime on identical symbols since we need to throw a TypeError. |
313 __ Branch(slow, eq, t4, Operand(SYMBOL_TYPE)); | 317 __ Branch(slow, eq, t4, Operand(SYMBOL_TYPE)); |
314 // Call runtime on identical SIMD values since we must throw a TypeError. | 318 // Call runtime on identical SIMD values since we must throw a TypeError. |
315 __ Branch(slow, eq, t4, Operand(FLOAT32X4_TYPE)); | 319 __ Branch(¬_simd, lt, t4, Operand(FIRST_SIMD128_VALUE_TYPE)); |
| 320 __ Branch(slow, le, t4, Operand(LAST_SIMD128_VALUE_TYPE)); |
| 321 __ bind(¬_simd); |
316 if (is_strong(strength)) { | 322 if (is_strong(strength)) { |
317 // Call the runtime on anything that is converted in the semantics, | 323 // Call the runtime on anything that is converted in the semantics, |
318 // since we need to throw a TypeError. Smis and heap numbers have | 324 // since we need to throw a TypeError. Smis and heap numbers have |
319 // already been ruled out. | 325 // already been ruled out. |
320 __ And(t4, t4, Operand(kIsNotStringMask)); | 326 __ And(t4, t4, Operand(kIsNotStringMask)); |
321 __ Branch(slow, ne, t4, Operand(zero_reg)); | 327 __ Branch(slow, ne, t4, Operand(zero_reg)); |
322 } | 328 } |
323 // Normally here we fall through to return_equal, but undefined is | 329 // Normally here we fall through to return_equal, but undefined is |
324 // special: (undefined == undefined) == true, but | 330 // special: (undefined == undefined) == true, but |
325 // (undefined <= undefined) == false! See ECMAScript 11.8.5. | 331 // (undefined <= undefined) == false! See ECMAScript 11.8.5. |
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5718 MemOperand(fp, 6 * kPointerSize), NULL); | 5724 MemOperand(fp, 6 * kPointerSize), NULL); |
5719 } | 5725 } |
5720 | 5726 |
5721 | 5727 |
5722 #undef __ | 5728 #undef __ |
5723 | 5729 |
5724 } // namespace internal | 5730 } // namespace internal |
5725 } // namespace v8 | 5731 } // namespace v8 |
5726 | 5732 |
5727 #endif // V8_TARGET_ARCH_MIPS | 5733 #endif // V8_TARGET_ARCH_MIPS |
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