intel-gen4asm: Changes to 'master'

[Haihao Xiang]

 src/brw_defines.h |    2 ++
 src/gram.y        |    4 ++--
 src/lex.l         |    2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

New commits:
commit 5b9380e9984dbe05e54668b94a3d422c1f1c34c9
Author: Homer Hsing <homer.xing at intel.com>
Date:   Thu Sep 13 11:05:50 2012 +0800

    Supporting bit field extract and bit field insert 2
    
    Supporting two new operators, bfe and bfi2
    bfe: Component-wise extracts a bit field from src2 using the bit field width from src0 and the bit field offset from src1.
    bfi2: component-wise performs the bitfield insert operation on src1 and src2 based on the mask in src0.