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This uses the same encoding for cannonlake in the proposed gcc patches here. https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00551.html
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318610 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@315505 91177308-0d34-0410-b5e6-96231b3b80d8
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We now use __cpuidex intrinsics intead of inline asm on 32-bit Windows. We already used it on 64-bit.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@308420 91177308-0d34-0410-b5e6-96231b3b80d8
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latest version of gcc
Summary:
We were missing many feature flags that newer gcc supports and we had our own set of feature flags that gcc didnt' support that were overlapping. Clang's implementation assumes gcc's features list so a mismatch here is problematic.
I've also matched the cpu type/subtype lists with gcc and removed all the cpus that gcc doesn't support. I've also removed the fallback autodetection logic that was taken from Host.cpp. It was the main reason we had extra feature flags relative to gcc. I don't think gcc does this in libgcc.
Once this support is in place we can consider implementing __builtin_cpu_is in clang. This could also be needed for function dispatching that Erich Keane is working on.
Reviewers: echristo, asbirlea, RKSimon, erichkeane, zvi
Reviewed By: asbirlea
Subscribers: dberris, llvm-commits
Differential Revision: https://reviews.llvm.org/D35214
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@307878 91177308-0d34-0410-b5e6-96231b3b80d8
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This syncs the cpuid functions and adds breaks to the appropriate spots in the CPU decoding switches. Also a few formatting tweaks.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@307561 91177308-0d34-0410-b5e6-96231b3b80d8
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compatible with newer gcc.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@307558 91177308-0d34-0410-b5e6-96231b3b80d8
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Avoid __attribute__((constructor)) in cpu_model.c.
Use more C99 _Complex emulation in divtc3.c. Joerg Sonnenberger added
this builtin just after the last round of C99 _Complex emulation landed
in r249514 (Oct 2015).
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299784 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275740 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275484 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r274873 until additional fixes are resolved.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274944 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274873 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274872 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274870 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Reviewers:
Subscribers:
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274868 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274867 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274866 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274865 91177308-0d34-0410-b5e6-96231b3b80d8
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