llvm-svn: 5146

Changes to allow for a configurable target machine that allows big endian and/or long pointer operation

llvm-svn: 5131

Changes to support configurable pointer size and endianness

llvm-svn: 5130

llvm-svn: 5129

llvm-svn: 5116

*** FIX: the encoding of the SUB instruction

llvm-svn: 5115

llvm-svn: 5114

llvm-svn: 5109

llvm-svn: 5108

llvm-svn: 5107

llvm-svn: 5104

llvm-svn: 5102

Represent empty use/def list as a null pointer

llvm-svn: 5101

llvm-svn: 5098

llvm-svn: 5097

stack remains aligned

llvm-svn: 5095

llvm-svn: 5094

llvm-svn: 5092

llvm-svn: 5090

  * Only load incoming arguments into virtual registers once at the
    beginning of the function
  * Assign different virtual registers to each reference to constants/globals

llvm-svn: 5088

llvm-svn: 5087

llvm-svn: 5086

llvm-svn: 5084

llvm-svn: 5083

llvm-svn: 5079

llvm-svn: 5077

llvm-svn: 5076

llvm-svn: 5075

llvm-svn: 5074

llvm-svn: 5073

llvm-svn: 5072

llvm-svn: 5071

Fix some bugs in use of MBB vs. BB and iterators that are invalidated before
we use them.

Reference targetClass by enum name, not by number.

llvm-svn: 5069

llvm-svn: 5065

llvm-svn: 5059

llvm-svn: 5052

llvm-svn: 5050

* Change regclass iterators to use an extra level of pointers

llvm-svn: 5047

Add support for boolean constants
add getClassB method

llvm-svn: 5034

llvm-svn: 5033