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* [GCC] Update with latest retpoline fixes from Intel.Caroline Tice2018-01-2958-221/+326
| | | | | | | | | | | | Intel has updated their retpoline patches since we created our original patch. This CL updates our retpoline changes to match the latest from Intel. Bug: None Test: Tested extensively in ChromeOS. Built x86 platform & kernel images in Android. Change-Id: Id1a18cb1f1f4461832a017cb5c5d59e5400d9d08
* [GCC] Commit retpoline patch code, for fixing security issues.Caroline Tice2018-01-0855-241/+930
| | | | | | | | | | | | This applies the Intel GCC code patches, to allow compiling with appropriate flags for mitigating the indirect branch variant of the speculative execution security flaw. Bug: None Test: This is already in place in ChromeOS and has been tested on the ChromeOS kernels. Change-Id: Ideffb433b697f1fe7e4ca2c1eaa968160abfcc8b
* Synchronize with google/gcc-4_9 to r224707 (from r214835)Yiran Wang2015-06-2925-19/+515
| | | | Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
* [4.9] Backport patches fixed vectorization issues.Rong Xu2014-10-311-0/+17
| | | | | | | | | Backport 3 patches from upstream gcc that fixed some vectorization issues: r215585 fixed PR63341 r216508 fixed PR63563 r216770 fixed PR63530 Change-Id: I650bf25ef0843b1ff01911b567fb26e069fd4550
* Merge "[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch. Merge gcc-4_9 ↵Andrew Hsieh2014-09-0317-21/+92
|\ | | | | | | source r214745 from google/gcc-4_9 branch."
| * [gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch.Rong Xu2014-09-0217-21/+92
| | | | | | | | | | | | Merge gcc-4_9 source r214745 from google/gcc-4_9 branch. Change-Id: Ie6fa0fd72f4b4eec3adc4db4bb922e652d1c2605
* | [4.8, 4.9] Backport of additional SLM tuning.Alexander Ivchenko2014-08-063-0/+85
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six patches from trunk, reg-tested via 'make check': 2014-05-07 Evgeny Stupachenko <evstupac@gmail.com> * tree-vect-data-refs.c (vect_grouped_load_supported): New check for loads group of length 3. (vect_permute_load_chain): New permutations for loads group of length 3. * tree-vect-stmts.c (vect_model_load_cost): Change cost of vec_perm_shuffle for the new permutations. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (x86_add_stmt_cost): Fix vector cost model for Silvermont. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/x86-tune.def (TARGET_SLOW_PSHUFB): New tune definition. * config/i386/i386.h (TARGET_SLOW_PSHUFB): New tune flag. * config/i386/i386.c (expand_vec_perm_even_odd_1): Avoid byte shuffles for TARGET_SLOW_PSHUFB 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (slm_cost): Adjust vec_to_scalar_cost. * config/i386/i386.c (intel_cost): Ditto. 2014-06-18 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (ix86_reassociation_width): Add alternative for vector case. * config/i386/i386.h (TARGET_VECTOR_PARALLEL_EXECUTION): New. * config/i386/x86-tune.def (X86_TUNE_VECTOR_PARALLEL_EXECUTION): New. * tree-vect-data-refs.c (vect_shift_permute_load_chain): New. Introduces alternative way of loads group permutaions. (vect_transform_grouped_load): Try alternative way of permutations. 2014-06-05 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/sse.md (*ssse3_palignr<mode>_perm): New. * config/i386/predicates.md (palignr_operand): New. Indicates if permutation is suitable for palignr instruction. Change-Id: I5e505735ce3dc0ec3c2a1151713a119b24d712fe Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
* [4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.Rong Xu2014-07-2965-75/+601
| | | | | | | | | | | | | | This source drop uses svn version r212828 of google/gcc-4.9 branch. We also cherry-picked r213062, r213063 and r213064 to fix windows build issues. All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9. The following prior commits has not been merged to google branch yet. (They are included in this commit). e7af147f979e657fe2df00808e5b4319b0e088c6, baf87df3cb2683649ba7e9872362a7e721117c23, and c231900e5dcc14d8296bd9f62b45997a49d4d5e7. Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b
* [4.9] GCC 4.9.0 official release refreshBen Cheng2014-04-2266-56/+190
| | | | Change-Id: Ic99a7da8b44b789a48aeec93b33e93944d6e6767
* Initial checkin of GCC 4.9.0 from trunk (r208799).Ben Cheng2014-03-263400-0/+114499
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba