git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300270 91177308-0d34-0410-b5e6-96231b3b80d8

The alias was only ever used on darwin and had some issues there,
and isn't used in practice much. Also fixes a problem with -mno-altivec
not turning off -maltivec.

Also add a diagnostic for faltivec/fno-altivec that directs users to use
maltivec options and include the altivec.h file explicitly.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298449 91177308-0d34-0410-b5e6-96231b3b80d8

[X86] Add -mprefetchwt1/-mno-prefetchwt1 command line options and __PREFETCHWT1__ define to match gcc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294424 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294423 91177308-0d34-0410-b5e6-96231b3b80d8

[X86] Update command line documentation for -mclwb and -mmovbe which I forgot in my previous commits.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294420 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294419 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@294411 91177308-0d34-0410-b5e6-96231b3b80d8

Also accept -G= (and -msmall-data-threshold=) as an alias for -G on MIPS as well as Hexagon.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@293254 91177308-0d34-0410-b5e6-96231b3b80d8

Improve workaround for Sphinx's lack of support for command line options containing '+', '.' etc. to be more stable as the set of options changes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@293252 91177308-0d34-0410-b5e6-96231b3b80d8

and generate documentation for all (non-hidden) options supported by the
'clang' driver.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@292968 91177308-0d34-0410-b5e6-96231b3b80d8