OLD | NEW |
1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
(...skipping 3320 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3331 __ bind(&calculate); | 3331 __ bind(&calculate); |
3332 Counters* counters = masm->isolate()->counters(); | 3332 Counters* counters = masm->isolate()->counters(); |
3333 __ IncrementCounter( | 3333 __ IncrementCounter( |
3334 counters->transcendental_cache_miss(), 1, scratch0, scratch1); | 3334 counters->transcendental_cache_miss(), 1, scratch0, scratch1); |
3335 if (tagged) { | 3335 if (tagged) { |
3336 __ bind(&invalid_cache); | 3336 __ bind(&invalid_cache); |
3337 ExternalReference runtime_function = | 3337 ExternalReference runtime_function = |
3338 ExternalReference(RuntimeFunction(), masm->isolate()); | 3338 ExternalReference(RuntimeFunction(), masm->isolate()); |
3339 __ TailCallExternalReference(runtime_function, 1, 1); | 3339 __ TailCallExternalReference(runtime_function, 1, 1); |
3340 } else { | 3340 } else { |
3341 if (!CpuFeatures::IsSupported(VFP3)) UNREACHABLE(); | 3341 ASSERT(CpuFeatures::IsSupported(VFP3)); |
3342 CpuFeatures::Scope scope(VFP3); | 3342 CpuFeatures::Scope scope(VFP3); |
3343 | 3343 |
3344 Label no_update; | 3344 Label no_update; |
3345 Label skip_cache; | 3345 Label skip_cache; |
3346 | 3346 |
3347 // Call C function to calculate the result and update the cache. | 3347 // Call C function to calculate the result and update the cache. |
3348 // Register r0 holds precalculated cache entry address; preserve | 3348 // r0: precalculated cache entry address. |
3349 // it on the stack and pop it into register cache_entry after the | 3349 // r2 and r3: parts of the double value. |
3350 // call. | 3350 // Store r0, r2 and r3 on stack for later before calling C function. |
3351 __ push(cache_entry); | 3351 __ Push(r3, r2, cache_entry); |
3352 GenerateCallCFunction(masm, scratch0); | 3352 GenerateCallCFunction(masm, scratch0); |
3353 __ GetCFunctionDoubleResult(d2); | 3353 __ GetCFunctionDoubleResult(d2); |
3354 | 3354 |
3355 // Try to update the cache. If we cannot allocate a | 3355 // Try to update the cache. If we cannot allocate a |
3356 // heap number, we return the result without updating. | 3356 // heap number, we return the result without updating. |
3357 __ pop(cache_entry); | 3357 __ Pop(r3, r2, cache_entry); |
3358 __ LoadRoot(r5, Heap::kHeapNumberMapRootIndex); | 3358 __ LoadRoot(r5, Heap::kHeapNumberMapRootIndex); |
3359 __ AllocateHeapNumber(r6, scratch0, scratch1, r5, &no_update); | 3359 __ AllocateHeapNumber(r6, scratch0, scratch1, r5, &no_update); |
3360 __ vstr(d2, FieldMemOperand(r6, HeapNumber::kValueOffset)); | 3360 __ vstr(d2, FieldMemOperand(r6, HeapNumber::kValueOffset)); |
3361 __ stm(ia, cache_entry, r2.bit() | r3.bit() | r6.bit()); | 3361 __ stm(ia, cache_entry, r2.bit() | r3.bit() | r6.bit()); |
3362 __ Ret(); | 3362 __ Ret(); |
3363 | 3363 |
3364 __ bind(&invalid_cache); | 3364 __ bind(&invalid_cache); |
3365 // The cache is invalid. Call runtime which will recreate the | 3365 // The cache is invalid. Call runtime which will recreate the |
3366 // cache. | 3366 // cache. |
3367 __ LoadRoot(r5, Heap::kHeapNumberMapRootIndex); | 3367 __ LoadRoot(r5, Heap::kHeapNumberMapRootIndex); |
(...skipping 3946 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
7314 __ StoreNumberToDoubleElements(r0, r3, r1, r5, r6, r7, r9, r10, | 7314 __ StoreNumberToDoubleElements(r0, r3, r1, r5, r6, r7, r9, r10, |
7315 &slow_elements); | 7315 &slow_elements); |
7316 __ Ret(); | 7316 __ Ret(); |
7317 } | 7317 } |
7318 | 7318 |
7319 #undef __ | 7319 #undef __ |
7320 | 7320 |
7321 } } // namespace v8::internal | 7321 } } // namespace v8::internal |
7322 | 7322 |
7323 #endif // V8_TARGET_ARCH_ARM | 7323 #endif // V8_TARGET_ARCH_ARM |
OLD | NEW |