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10 Commits

Author SHA1 Message Date
Alina Sbirlea 9b47673e3f [compiler-rt] Change all asm directives to __asm__ in cpu_model. 
Summary:
Aiming to resolve failure in sanitizer bot by changning all asm directives to __asm__.
Also, consistency.

Reviewers: llvm-commits, echristo, vitalybuka

Subscribers: mehdi_amini

Differential Revision: https://reviews.llvm.org/D22446

llvm-svn: 275740
 2016-07-17 23:45:55 +00:00
Alina Sbirlea 36f57fbc66 Add runtime support for __cpu_model (__builtin_cpu_supports) 
Summary:
    This aims to add support for __cpu_model and address Bug 25510. It uses
    the code from lib/Support/Host.cpp for cpu detection, and creates
    __cpu_model with that info.

    Tested on OSX and built on Linux as well (though libgcc is the default).
    The use of "asm" required -std=gnu99, hence the cmake change. Corrections
    on better addressing this are welcome.

    Previously reverted, up for review again to iron out outstanding issues.

Reviewers: llvm-commits, joerg, echristo, mehdi_amini

Subscribers: mehdi_amini

Differential Revision: http://reviews.llvm.org/D22181

llvm-svn: 275484
 2016-07-14 22:02:35 +00:00
Alina Sbirlea 0efdda0956 Revert "Add runtime support for __cpu_model (__builtin_cpu_supports)" 
This reverts commit r274873 until additional fixes are resolved.

llvm-svn: 274944
 2016-07-08 22:22:43 +00:00
Alina Sbirlea 9ebebce2df Add runtime support for __cpu_model (__builtin_cpu_supports) 
Summary:
This aims to add support for __cpu_model and address Bug 25510. It uses
the code from lib/Support/Host.cpp for cpu detection, and creates
__cpu_model with that info.

Tested on OSX, it builts successfully, but the current version does
*not* resolve Bug 25510. The __cpu_model symbol is present in the
library but it only gets loaded with -all_load. This patch will not land
until this issue is clarified.

Built on Linux as well (though libgcc is the default). The use of "asm"
required -std=gnu99, hence the cmake change. Corrections on better
addressing this are welcome.

Note: See additional comments on D20988 (committed as r271921).

Reviewers: llvm-commits, joerg, echristo, mehdi_amini

Subscribers: mehdi_amini

Differential revision: http://reviews.llvm.org/D21033

llvm-svn: 274873
 2016-07-08 16:28:54 +00:00
Alina Sbirlea fb11f27253 Revert r274865-r274870 
llvm-svn: 274872
 2016-07-08 16:28:52 +00:00
Alina Sbirlea d6ce086f32 Added comments identifing code source 
llvm-svn: 274870
 2016-07-08 16:18:41 +00:00
Alina Sbirlea 13a4583714 Check cpuid supported for i386. 
Summary:

Reviewers:

Subscribers:

llvm-svn: 274868
 2016-07-08 16:18:39 +00:00
Alina Sbirlea 7847598113 Add default initialization. Add unit test. 
llvm-svn: 274867
 2016-07-08 16:18:38 +00:00
Alina Sbirlea 05241bfe7a clang-format it 
llvm-svn: 274866
 2016-07-08 16:18:36 +00:00
Alina Sbirlea b0b29c958a Add runtime support for __cpu_model (__builtin_cpu_supports) 
Summary:
This aims to add support for __cpu_model and address Bug 25510. It uses the code from lib/Support/Host.cpp for cpu detection, and creates __cpu_model with that info.

Tested on OSX, it builts successfully, but the current version does *not* resolve Bug 25510. The __cpu_model symbol is present in the library but it only gets loaded with -all_load. This patch will not land until this issue is clarified.

Built on Linux as well (though libgcc is the default). The use of "asm" required -std=gnu99, hence the cmake change. Corrections on better addressing this are welcome.

Note: See additional comments on D20988 (committed as r271921).

Reviewers: llvm-commits, joerg, echristo, mehdi_amini

Subscribers: mehdi_amini

Differential Revision: http://reviews.llvm.org/D21033

llvm-svn: 274865
 2016-07-08 16:18:34 +00:00