will make it more obvious what it represents, and stop
it being confused with the StoreSize.

llvm-svn: 71349

Use 16 bit arithmetic while retrieving the address of callee's frame during indirect function calls, and set pclath before every call to retrieve the frame address.

llvm-svn: 71323

llvm-svn: 71282

llvm-svn: 71241

llvm-svn: 71239

llvm-svn: 71236

llvm-svn: 71235

need to work a bit to combine things like (x+c1+c2) into x+c3.

llvm-svn: 71232

Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g.

///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       <fallthrough to B>                                                                                                                                                 
///                                                                                                                                                                          
///       B:  --> loop header                                                                                                                                                
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit]                                                                                                                                               
///                                                                                                                                                                          
///       C:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
/// ==>                                                                                                                                                                      
///                                                                                                                                                                          
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
///       C:  --> new loop header                                                                                                                                            
///       ...                                                                                                                                                                
///       <fallthough to B>                                                                                                                                                  
///                                                                                                                                                                          
///       B:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit] 

llvm-svn: 71209

build under gcc 4.3.

llvm-svn: 71208

No functionality change.

llvm-svn: 71207

llvm-svn: 71149

llvm-svn: 71115

more place.  This fixes a bunch of x86-64 JIT regressions.
(Introduced when the value of the magic constant changed
in 68645.  At the time apparently nobody noticed; failures
were hidden in 70343-70439 by an unrelated bug, so showed
up again as "new" failures in 70440.)

llvm-svn: 71106

Split large global data (both initialized and un-initialized) into multiple sections of <= 80 bytes.
Provide routines to manage PIC16 ABI naming conventions.

llvm-svn: 71073

addrspace(257) -> FS relative on x86.  Patch by Zoltan Varga!

llvm-svn: 70992

Revert part of 70929 that has to do with determining whether a SIB byte is needed. It causes a lot of x86_64 JIT failures.

llvm-svn: 70986

llvm-svn: 70950

- Synchronize instruction length computation code in X86InstrInfo with code in X86CodeEmitter.cpp
Patch by Zoltan Varga.

llvm-svn: 70929

llvm-svn: 70902

Patch by Collin Winter!

llvm-svn: 70898

llvm-svn: 70880

Thanks for Dan Gohman for suggestion!

llvm-svn: 70782

llvm-svn: 70769

llvm-svn: 70768

llvm-svn: 70767

Temporary disable imm patterns for cmp. Actually, all cmp-related stuff (select_cc, setcc, br_cc). needs to be rethought

llvm-svn: 70766

llvm-svn: 70765

llvm-svn: 70763

llvm-svn: 70762

llvm-svn: 70761

llvm-svn: 70760

llvm-svn: 70759

llvm-svn: 70758

llvm-svn: 70757

llvm-svn: 70755

llvm-svn: 70754

llvm-svn: 70753

llvm-svn: 70752

llvm-svn: 70751