Parse of saturated int was added.
Support of binary, unary arithmetic and pre/post increments/decrements for saturated int was added.
Fixes in psubus tests.
Tests for binary operations and assignment  was added.
Fixes for pre/post increment/decrement. Tests for the fixes were added.
Some codestyle fixes.
Update expr.cpp
__min_varying_<...> intrinsics added
fixed __cast_fpto<...> set of functions
setzero functions for i8 and i16
- Removed the debug code occasionally sneaked to the repo
- Put 12 knc runfails to the fail_db.txt (were invisible due to debug code)
- Several minor fixes not affecting functionality
Fix for rev.221167
Fix for rev.221375
Merge pull request #898 from Vsevolod-Livinskij/fix_for_trunk

Fix for trunk (rev. 221167 and rev. 221375)
Merge pull request #891 from ncos/knc-backend-merge

Add missing _cast_uitofp/fptoui, setzero and min_varying functions
Merge branch 'master' of https://github.com/ispc/ispc
masked_load/store_i16 was added
__smear_i8/16 was added
__not_equal_i8/16 was added
__shuffle_i8/16 was added. __reduce* functions were fixed.