use O(1) pragmas instead of O(N) attributes

Both Clang and GCC now have ways to set a target attribute
using a pragma for a section of code.   We can do this for
the extra x86 Haswell slice.  skcms.o stay identical.

Change-Id: I07d76df1aac71b166254e02ac9139508513ca2ee
Auto-Submit: Mike Klein <>
Commit-Queue: Brian Osman <>
Reviewed-by: Brian Osman <>
2 files changed