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Pierre Gousseau 5ff99f6b0a [X86] Make sure we do not clobber RBX with mwaitx when used as a base
pointer.

mwaitx uses EBX as one of its argument.
Using this instruction clobbers RBX as it is defined to hold one of the
input. When the backend uses dynamically allocated stack, RBX is used as
a reserved register for the base pointer.

This patch is adapted from @qcolombet patch for cmpxchg at r263325.

This fixes PR43528.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D73475
2020-08-26 11:20:31 +01:00
benchmarks
bindings [Bindings] Remove ipc_propagation. 2020-08-02 22:36:53 +01:00
cmake [runtimes] Use llvm-libtool-darwin for runtimes build 2020-08-24 13:48:30 -07:00
docs [llvm-libtool-darwin] Address post-commit feedback 2020-08-25 15:04:23 -07:00
examples [examples] Fix dependencies for OrcV2Examples/LLJITWithThinLTOSummaries. 2020-08-25 11:51:20 -07:00
include [GlobalISel] Fix and tidy up documentation for ValueMapping class (NFC) 2020-08-26 12:09:01 +02:00
lib [X86] Make sure we do not clobber RBX with mwaitx when used as a base 2020-08-26 11:20:31 +01:00
projects
resources
runtimes [runtimes] Remove TOOLCHAIN_TOOLS specialization 2020-08-24 13:48:29 -07:00
test [X86] Make sure we do not clobber RBX with mwaitx when used as a base 2020-08-26 11:20:31 +01:00
tools [llvm-readobj] Fix arm64 unwind opcode disassembly printing 2020-08-26 09:38:11 +03:00
unittests [MLInliner] Simplify TFUTILS_SUPPORTED_TYPES 2020-08-25 14:19:39 -07:00
utils [TableGen][GlobalISel] Fix tblgen optimization bug 2020-08-26 12:09:01 +02:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes
.gitignore [clangd] Store index in '.cache/clangd/index' instead of '.clangd/index' 2020-07-07 14:53:45 +02:00
CMakeLists.txt [CMake] Bump CMake minimum version to 3.13.4 2020-07-22 14:25:07 -04:00
CODE_OWNERS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
configure
CREDITS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

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