intel-gen4asm: Changes to 'master'

[Haihao Xiang]

 src/brw_structs.h |    2 +-
 src/gram.y        |   44 ++++++++++++++++++++++++++++++++++++--------
 src/main.c        |   12 ++++++++++--
 3 files changed, 47 insertions(+), 11 deletions(-)

New commits:
commit 7f04876a3196c0aa5021676f0f3345e553145bd4
Author: Homer Hsing <homer.xing at intel.com>
Date:   Fri Oct 19 11:18:23 2012 +0800

    Fix Gen7 JMPI compilation
    
    Gen7 JMPI Restrictions in bspec:
    The JIP data type must be Signed DWord

commit acd67514e580de53873a37de66e3a5fb3e59ed5c
Author: Homer Hsing <homer.xing at intel.com>
Date:   Thu Oct 18 12:37:31 2012 +0800

    Fix sub-register number of an address register encoding
    
    The AddrSubRegNum field in the instruction binary code should be:
      code    value(advanced_flag==0)   value(advanced_flag==1)
      a0.0             0                         0
      a0.1        invalid input                  1
      a0.2             1                         2
      a0.3        invalid input                  3
      a0.4             2                         4
      a0.5        invalid input                  5
      a0.6             3                         6
      a0.7        invalid input                  7
      a0.8             4                  invalid input
      a0.10            5                  invalid input
      a0.12            6                  invalid input
      a0.14            7                  invalid input

commit f42bb826b5e2a0572c38fb33647546743ad34c11
Author: Homer Hsing <homer.xing at intel.com>
Date:   Tue Oct 16 14:14:25 2012 +0800

    Fix symbol register subreg number calculation rule symbol_reg_p
    
    When in normal mode, subreg_nr should not be divided by type_size.
    This patch fixes such bug.