Peter Smith 820e46f3b2 [AArch64] Fix PR34625 -mtune without -mcpu should not set -target-cpu ...

When -mtune is used on AArch64 the -target-cpu is passed the value of the
cpu given to -mtune. As well as setting micro-architectural features of the
-mtune cpu, this will also add the architectural features such as support
for instructions. This can result in the backend using instructions that
are supported in the -mtune cpu but not supported in the target
architecture. For example use of the v8.1-a LSE extensions with -march=v8.
    
This change removes the setting of -target-cpu for -mtune, the -mcpu must
be used to set -target-cpu. This has the effect of removing all non-hard
coded benefits of mtune but it does produce correct output when -mtune cpu
with a later architecture than v8 is used.
    
Fixes PR34625
    
Differential Revision: https://reviews.llvm.org/D39179

llvm-svn: 316424

2017-10-24 09:51:55 +00:00

..

ToolChains

[AArch64] Fix PR34625 -mtune without -mcpu should not set -target-cpu

2017-10-24 09:51:55 +00:00

Action.cpp

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CMakeLists.txt

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Compilation.cpp

Testing commit access.

2017-10-09 19:07:09 +00:00

Distro.cpp

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Driver.cpp

[Bash-autocomplete] Fix crash when invoking --autocomplete without value.

2017-09-05 12:41:00 +00:00

DriverOptions.cpp

Revert "Revert r311552: [Bash-autocompletion] Add support for static analyzer flags"

2017-08-29 00:09:31 +00:00

InputInfo.h

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Job.cpp

Revert r316193.

2017-10-20 00:25:07 +00:00

Multilib.cpp

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Phases.cpp

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SanitizerArgs.cpp

Do not link clang_rt.cfi on Android.

2017-10-16 18:02:57 +00:00

Tool.cpp

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ToolChain.cpp

Driver: use ld64.lld when -fuse-ld=lld for darwin

2017-10-15 17:53:45 +00:00

Types.cpp

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XRayArgs.cpp

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