Merge branch 'master' of https://github.com/ispc/ispc
first commit
added use of native_transendentals, need to add IR
added support for native and double precision trigonometry/transendentals
added support for double precision/native transendentals/trigonometry
fix for knc.h. Due to a bug in ICC (tested with 13.1.3 & 14.0.1) ,the resulting .cpp file fails to compile
added double precision tests
accuracy fix
Saturation arithmetic (sub and add) was added for int32/int64.
Saturation arithmetic mul and div for int8/int16/int32 and div for int64 was added
Default alloy run: 3.4+trunk, instead of 3.3+trunk
Fail DB update on Linux
Add VS2012 as a default toolchain on Windows
Fail DB update on Windows
Merging branches with Windows and Linux fails
Use single variable to track the latest LLVM to use by default
Merge pull request #743 from dbabokin/fails

Fail DB update on Linux and Windows
Merge pull request #742 from ifilippov/master

Support of LLVM trunk after 201618 revision 'VirtualFileSystem'
Merge pull request #736 from egaburov/native_trigonometry

Native trigonometry
Dec constants was changed with hex constants.