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658 Commits

Author SHA1 Message Date
Evan Cheng 0d6cfee704 * Added X86 store patterns. 
* Added X86 dec patterns.

llvm-svn: 24654
 2005-12-10 00:48:20 +00:00
Evan Cheng c9fab31098 * Added intelligence to X86 LEA addressing mode matching routine so it returns 
false if the match is not profitable. e.g. leal 1(%eax), %eax.
* Added patterns for X86 integer loads and LEA32.

llvm-svn: 24635
 2005-12-08 02:01:35 +00:00
Evan Cheng 4b02426130 Proper support for shifts with register shift value. 
llvm-svn: 24559
 2005-12-01 00:43:55 +00:00
Chris Lattner af2e0373dd SelectNodeTo now returns its result, we must pay attention to it. 
llvm-svn: 24550
 2005-11-30 22:59:19 +00:00
Evan Cheng 4eb7af9bc9 Added support to STORE and shifts to DAG to DAG isel. 
llvm-svn: 24525
 2005-11-30 02:51:20 +00:00
Chris Lattner 3f0f71b92b Add load and other support to the dag-dag isel. Patch contributed by Evan 
Cheng!

llvm-svn: 24419
 2005-11-19 02:11:08 +00:00
Chris Lattner 5930d3df3d Add patterns for several simple instructions that take i32 immediates. 
Patch contributed by Evan Cheng!

llvm-svn: 24382
 2005-11-16 22:59:19 +00:00
Chris Lattner 655e7dfd0d initial step at adding a dag-to-dag isel for X86 backend. Patch contributed 
by Evan Cheng!

llvm-svn: 24371
 2005-11-16 01:54:32 +00:00