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9 Commits

Author SHA1 Message Date
Evan Cheng 1cd3c0efb8 Change the operand orders to t_addrmode_s* to make it easier to morph 
instructions that use these address modes to instructions that use
t_addrmode_sp.

llvm-svn: 33651
 2007-01-30 02:35:32 +00:00
Evan Cheng 863736b0ad Use BL to implement Thumb far jumps. 
llvm-svn: 33649
 2007-01-30 01:13:37 +00:00
Evan Cheng 0701c5a074 Thumb jumptable support. 
llvm-svn: 33568
 2007-01-27 02:29:45 +00:00
Evan Cheng f40b9006a8 Thumb add / sub with carry. 
llvm-svn: 33562
 2007-01-27 00:07:15 +00:00
Evan Cheng add7f164a1 Represent tADDspi and tSUBspi as two-address instructions. 
llvm-svn: 33551
 2007-01-26 21:33:19 +00:00
Evan Cheng d02d75c295 extload -> zextload 
llvm-svn: 33542
 2007-01-26 19:13:16 +00:00
Evan Cheng 1526ba50d9 Use PC relative ldr to load from a constantpool in Thumb mode. 
llvm-svn: 33484
 2007-01-24 08:53:17 +00:00
Evan Cheng c0b7366cf9 - Reorg Thumb load / store instructions. Combine each rr and ri pair of 
instructions into one (e.g. tLDRrr, tLDRri -> tLDR).
- Thumb ldrsb and ldrsh only have the [reg, reg] address format. If the
  address is not an add, materialize a 0 immediate into a register and use
  it as the offset field.

llvm-svn: 33470
 2007-01-23 22:59:13 +00:00
Evan Cheng 10043e215b ARM backend contribution from Apple. 
llvm-svn: 33353
 2007-01-19 07:51:42 +00:00