intel-gen4asm: Changes to 'master'

[Zhenyu Wang]

 src/brw_structs.h |  101 ++++++++++++++++++++++++++
 src/gram.y        |  207 ++++++++++++++++++++++++++++++++++++++----------------
 src/main.c        |   16 +++-
 3 files changed, 263 insertions(+), 61 deletions(-)

New commits:
commit 5d17eeb5e22e65299cb209fd018d9247bb1809c2
Author: Xiang Haihao <haihao.xiang at intel.com>
Date:   Tue Jun 30 10:02:33 2009 +0800

    Add support for GEN5
    
    Add a new option [-g n], n=4(GEN4),5(GEN5). If don't use -g,
    the default value is 4(GEN4)