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Issue 196173021: ARM64: Prevent compilers to optimize away NaN negation in tests. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: update status file Created 6 years, 9 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 // 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 5229 matching lines...) Expand 10 before | Expand all | Expand 10 after
5240 double q1_proc = q1; 5240 double q1_proc = q1;
5241 double q2_proc = q2; 5241 double q2_proc = q2;
5242 double qa_proc = qa; 5242 double qa_proc = qa;
5243 ASSERT(IsQuietNaN(s1_proc)); 5243 ASSERT(IsQuietNaN(s1_proc));
5244 ASSERT(IsQuietNaN(s2_proc)); 5244 ASSERT(IsQuietNaN(s2_proc));
5245 ASSERT(IsQuietNaN(sa_proc)); 5245 ASSERT(IsQuietNaN(sa_proc));
5246 ASSERT(IsQuietNaN(q1_proc)); 5246 ASSERT(IsQuietNaN(q1_proc));
5247 ASSERT(IsQuietNaN(q2_proc)); 5247 ASSERT(IsQuietNaN(q2_proc));
5248 ASSERT(IsQuietNaN(qa_proc)); 5248 ASSERT(IsQuietNaN(qa_proc));
5249 5249
5250 // Negated NaNs as it would be done on ARMv8 hardware.
5251 double s1_proc_neg = rawbits_to_double(0xfffd555511111111);
5252 double sa_proc_neg = rawbits_to_double(0xfffd5555aaaaaaaa);
5253 double q1_proc_neg = rawbits_to_double(0xfffaaaaa11111111);
5254 double qa_proc_neg = rawbits_to_double(0xfffaaaaaaaaaaaaa);
5255 ASSERT(IsQuietNaN(s1_proc_neg));
5256 ASSERT(IsQuietNaN(sa_proc_neg));
5257 ASSERT(IsQuietNaN(q1_proc_neg));
5258 ASSERT(IsQuietNaN(qa_proc_neg));
5259
5250 // Quiet NaNs are propagated. 5260 // Quiet NaNs are propagated.
5251 FmaddFmsubHelper(q1, 0, 0, q1_proc, -q1_proc, -q1_proc, q1_proc); 5261 FmaddFmsubHelper(q1, 0, 0, q1_proc, q1_proc_neg, q1_proc_neg, q1_proc);
5252 FmaddFmsubHelper(0, q2, 0, q2_proc, q2_proc, q2_proc, q2_proc); 5262 FmaddFmsubHelper(0, q2, 0, q2_proc, q2_proc, q2_proc, q2_proc);
5253 FmaddFmsubHelper(0, 0, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5263 FmaddFmsubHelper(0, 0, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5254 FmaddFmsubHelper(q1, q2, 0, q1_proc, -q1_proc, -q1_proc, q1_proc); 5264 FmaddFmsubHelper(q1, q2, 0, q1_proc, q1_proc_neg, q1_proc_neg, q1_proc);
5255 FmaddFmsubHelper(0, q2, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5265 FmaddFmsubHelper(0, q2, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5256 FmaddFmsubHelper(q1, 0, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5266 FmaddFmsubHelper(q1, 0, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5257 FmaddFmsubHelper(q1, q2, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5267 FmaddFmsubHelper(q1, q2, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5258 5268
5259 // Signalling NaNs are propagated, and made quiet. 5269 // Signalling NaNs are propagated, and made quiet.
5260 FmaddFmsubHelper(s1, 0, 0, s1_proc, -s1_proc, -s1_proc, s1_proc); 5270 FmaddFmsubHelper(s1, 0, 0, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5261 FmaddFmsubHelper(0, s2, 0, s2_proc, s2_proc, s2_proc, s2_proc); 5271 FmaddFmsubHelper(0, s2, 0, s2_proc, s2_proc, s2_proc, s2_proc);
5262 FmaddFmsubHelper(0, 0, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5272 FmaddFmsubHelper(0, 0, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5263 FmaddFmsubHelper(s1, s2, 0, s1_proc, -s1_proc, -s1_proc, s1_proc); 5273 FmaddFmsubHelper(s1, s2, 0, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5264 FmaddFmsubHelper(0, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5274 FmaddFmsubHelper(0, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5265 FmaddFmsubHelper(s1, 0, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5275 FmaddFmsubHelper(s1, 0, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5266 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5276 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5267 5277
5268 // Signalling NaNs take precedence over quiet NaNs. 5278 // Signalling NaNs take precedence over quiet NaNs.
5269 FmaddFmsubHelper(s1, q2, qa, s1_proc, -s1_proc, -s1_proc, s1_proc); 5279 FmaddFmsubHelper(s1, q2, qa, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5270 FmaddFmsubHelper(q1, s2, qa, s2_proc, s2_proc, s2_proc, s2_proc); 5280 FmaddFmsubHelper(q1, s2, qa, s2_proc, s2_proc, s2_proc, s2_proc);
5271 FmaddFmsubHelper(q1, q2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5281 FmaddFmsubHelper(q1, q2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5272 FmaddFmsubHelper(s1, s2, qa, s1_proc, -s1_proc, -s1_proc, s1_proc); 5282 FmaddFmsubHelper(s1, s2, qa, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5273 FmaddFmsubHelper(q1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5283 FmaddFmsubHelper(q1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5274 FmaddFmsubHelper(s1, q2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5284 FmaddFmsubHelper(s1, q2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5275 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5285 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5276 5286
5277 // A NaN generated by the intermediate op1 * op2 overrides a quiet NaN in a. 5287 // A NaN generated by the intermediate op1 * op2 overrides a quiet NaN in a.
5278 FmaddFmsubHelper(0, kFP64PositiveInfinity, qa, 5288 FmaddFmsubHelper(0, kFP64PositiveInfinity, qa,
5279 kFP64DefaultNaN, kFP64DefaultNaN, 5289 kFP64DefaultNaN, kFP64DefaultNaN,
5280 kFP64DefaultNaN, kFP64DefaultNaN); 5290 kFP64DefaultNaN, kFP64DefaultNaN);
5281 FmaddFmsubHelper(kFP64PositiveInfinity, 0, qa, 5291 FmaddFmsubHelper(kFP64PositiveInfinity, 0, qa,
5282 kFP64DefaultNaN, kFP64DefaultNaN, 5292 kFP64DefaultNaN, kFP64DefaultNaN,
5283 kFP64DefaultNaN, kFP64DefaultNaN); 5293 kFP64DefaultNaN, kFP64DefaultNaN);
5284 FmaddFmsubHelper(0, kFP64NegativeInfinity, qa, 5294 FmaddFmsubHelper(0, kFP64NegativeInfinity, qa,
5285 kFP64DefaultNaN, kFP64DefaultNaN, 5295 kFP64DefaultNaN, kFP64DefaultNaN,
(...skipping 27 matching lines...) Expand all
5313 float q1_proc = q1; 5323 float q1_proc = q1;
5314 float q2_proc = q2; 5324 float q2_proc = q2;
5315 float qa_proc = qa; 5325 float qa_proc = qa;
5316 ASSERT(IsQuietNaN(s1_proc)); 5326 ASSERT(IsQuietNaN(s1_proc));
5317 ASSERT(IsQuietNaN(s2_proc)); 5327 ASSERT(IsQuietNaN(s2_proc));
5318 ASSERT(IsQuietNaN(sa_proc)); 5328 ASSERT(IsQuietNaN(sa_proc));
5319 ASSERT(IsQuietNaN(q1_proc)); 5329 ASSERT(IsQuietNaN(q1_proc));
5320 ASSERT(IsQuietNaN(q2_proc)); 5330 ASSERT(IsQuietNaN(q2_proc));
5321 ASSERT(IsQuietNaN(qa_proc)); 5331 ASSERT(IsQuietNaN(qa_proc));
5322 5332
5333 // Negated NaNs as it would be done on ARMv8 hardware.
5334 float s1_proc_neg = rawbits_to_float(0xffd51111);
5335 float sa_proc_neg = rawbits_to_float(0xffd5aaaa);
5336 float q1_proc_neg = rawbits_to_float(0xffea1111);
5337 float qa_proc_neg = rawbits_to_float(0xffeaaaaa);
5338 ASSERT(IsQuietNaN(s1_proc_neg));
5339 ASSERT(IsQuietNaN(sa_proc_neg));
5340 ASSERT(IsQuietNaN(q1_proc_neg));
5341 ASSERT(IsQuietNaN(qa_proc_neg));
5342
5323 // Quiet NaNs are propagated. 5343 // Quiet NaNs are propagated.
5324 FmaddFmsubHelper(q1, 0, 0, q1_proc, -q1_proc, -q1_proc, q1_proc); 5344 FmaddFmsubHelper(q1, 0, 0, q1_proc, q1_proc_neg, q1_proc_neg, q1_proc);
5325 FmaddFmsubHelper(0, q2, 0, q2_proc, q2_proc, q2_proc, q2_proc); 5345 FmaddFmsubHelper(0, q2, 0, q2_proc, q2_proc, q2_proc, q2_proc);
5326 FmaddFmsubHelper(0, 0, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5346 FmaddFmsubHelper(0, 0, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5327 FmaddFmsubHelper(q1, q2, 0, q1_proc, -q1_proc, -q1_proc, q1_proc); 5347 FmaddFmsubHelper(q1, q2, 0, q1_proc, q1_proc_neg, q1_proc_neg, q1_proc);
5328 FmaddFmsubHelper(0, q2, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5348 FmaddFmsubHelper(0, q2, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5329 FmaddFmsubHelper(q1, 0, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5349 FmaddFmsubHelper(q1, 0, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5330 FmaddFmsubHelper(q1, q2, qa, qa_proc, qa_proc, -qa_proc, -qa_proc); 5350 FmaddFmsubHelper(q1, q2, qa, qa_proc, qa_proc, qa_proc_neg, qa_proc_neg);
5331 5351
5332 // Signalling NaNs are propagated, and made quiet. 5352 // Signalling NaNs are propagated, and made quiet.
5333 FmaddFmsubHelper(s1, 0, 0, s1_proc, -s1_proc, -s1_proc, s1_proc); 5353 FmaddFmsubHelper(s1, 0, 0, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5334 FmaddFmsubHelper(0, s2, 0, s2_proc, s2_proc, s2_proc, s2_proc); 5354 FmaddFmsubHelper(0, s2, 0, s2_proc, s2_proc, s2_proc, s2_proc);
5335 FmaddFmsubHelper(0, 0, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5355 FmaddFmsubHelper(0, 0, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5336 FmaddFmsubHelper(s1, s2, 0, s1_proc, -s1_proc, -s1_proc, s1_proc); 5356 FmaddFmsubHelper(s1, s2, 0, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5337 FmaddFmsubHelper(0, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5357 FmaddFmsubHelper(0, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5338 FmaddFmsubHelper(s1, 0, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5358 FmaddFmsubHelper(s1, 0, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5339 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5359 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5340 5360
5341 // Signalling NaNs take precedence over quiet NaNs. 5361 // Signalling NaNs take precedence over quiet NaNs.
5342 FmaddFmsubHelper(s1, q2, qa, s1_proc, -s1_proc, -s1_proc, s1_proc); 5362 FmaddFmsubHelper(s1, q2, qa, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5343 FmaddFmsubHelper(q1, s2, qa, s2_proc, s2_proc, s2_proc, s2_proc); 5363 FmaddFmsubHelper(q1, s2, qa, s2_proc, s2_proc, s2_proc, s2_proc);
5344 FmaddFmsubHelper(q1, q2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5364 FmaddFmsubHelper(q1, q2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5345 FmaddFmsubHelper(s1, s2, qa, s1_proc, -s1_proc, -s1_proc, s1_proc); 5365 FmaddFmsubHelper(s1, s2, qa, s1_proc, s1_proc_neg, s1_proc_neg, s1_proc);
5346 FmaddFmsubHelper(q1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5366 FmaddFmsubHelper(q1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5347 FmaddFmsubHelper(s1, q2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5367 FmaddFmsubHelper(s1, q2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5348 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, -sa_proc, -sa_proc); 5368 FmaddFmsubHelper(s1, s2, sa, sa_proc, sa_proc, sa_proc_neg, sa_proc_neg);
5349 5369
5350 // A NaN generated by the intermediate op1 * op2 overrides a quiet NaN in a. 5370 // A NaN generated by the intermediate op1 * op2 overrides a quiet NaN in a.
5351 FmaddFmsubHelper(0, kFP32PositiveInfinity, qa, 5371 FmaddFmsubHelper(0, kFP32PositiveInfinity, qa,
5352 kFP32DefaultNaN, kFP32DefaultNaN, 5372 kFP32DefaultNaN, kFP32DefaultNaN,
5353 kFP32DefaultNaN, kFP32DefaultNaN); 5373 kFP32DefaultNaN, kFP32DefaultNaN);
5354 FmaddFmsubHelper(kFP32PositiveInfinity, 0, qa, 5374 FmaddFmsubHelper(kFP32PositiveInfinity, 0, qa,
5355 kFP32DefaultNaN, kFP32DefaultNaN, 5375 kFP32DefaultNaN, kFP32DefaultNaN,
5356 kFP32DefaultNaN, kFP32DefaultNaN); 5376 kFP32DefaultNaN, kFP32DefaultNaN);
5357 FmaddFmsubHelper(0, kFP32NegativeInfinity, qa, 5377 FmaddFmsubHelper(0, kFP32NegativeInfinity, qa,
5358 kFP32DefaultNaN, kFP32DefaultNaN, 5378 kFP32DefaultNaN, kFP32DefaultNaN,
(...skipping 5413 matching lines...) Expand 10 before | Expand all | Expand 10 after
10772 if (RelocInfo::IsVeneerPool(info->rmode())) { 10792 if (RelocInfo::IsVeneerPool(info->rmode())) {
10773 ASSERT(info->data() == veneer_pool_size); 10793 ASSERT(info->data() == veneer_pool_size);
10774 ++pool_count; 10794 ++pool_count;
10775 } 10795 }
10776 } 10796 }
10777 10797
10778 ASSERT(pool_count == 2); 10798 ASSERT(pool_count == 2);
10779 10799
10780 TEARDOWN(); 10800 TEARDOWN();
10781 } 10801 }
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