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21 Commits

Author SHA1 Message Date
Evan Cheng b18525937c More consistent thumb1 asm printing. 
llvm-svn: 89328
 2009-11-19 06:57:41 +00:00
Evan Cheng a8e8a7c976 Refactor code. Fix a potential missing check. Teach isIdentical() about tLDRpci_pic. 
llvm-svn: 86330
 2009-11-07 04:04:34 +00:00
Jim Grosbach f5f263f1b4 Enable allocation of R3 in Thumb1 
llvm-svn: 84563
 2009-10-19 22:57:03 +00:00
Evan Cheng b659dff4eb Forgot about ARM::tPUSH. It also has a new writeback operand. 
llvm-svn: 83237
 2009-10-02 05:03:07 +00:00
Evan Cheng 6f012d83f2 ARM::tPOP and tPOP_RET each has an extra writeback operand now. 
llvm-svn: 83214
 2009-10-01 20:54:53 +00:00
Dan Gohman c8054d90fb Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Evan Cheng 6da267de23 v4, v5 does not support sxtb / sxth. 
llvm-svn: 80322
 2009-08-28 00:31:43 +00:00
Evan Cheng 01de985ae6 Fix an obvious copy-n-paste bug. 
llvm-svn: 79535
 2009-08-20 17:01:04 +00:00
Evan Cheng f59e9f4288 tPOP_RET now has predicate operands. 
llvm-svn: 78898
 2009-08-13 06:05:07 +00:00
Evan Cheng e5801bd220 It's ok to spill a tGPR register as long as it's still allocated a low register. 
llvm-svn: 78893
 2009-08-13 05:40:51 +00:00
Evan Cheng 12da273f90 tADDrSPI doesn't have a predicate operand, but tADDhirr and tADDi3 have. 
llvm-svn: 77305
 2009-07-28 07:38:35 +00:00
Chris Lattner 83423aa276 remove a very large testcase for now. 
llvm-svn: 76537
 2009-07-21 06:28:36 +00:00
David Greene 40c68ad3bb Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes 
next.

llvm-svn: 76486
 2009-07-20 22:02:59 +00:00
Evan Cheng 57106d6dc0 Use TII->findCommutedOpIndices to find the commute operands (rather than guessing). 
llvm-svn: 76472
 2009-07-20 21:16:08 +00:00
Evan Cheng 027d9f93ea Fix some sub-reg coalescing bugs where the coalescer wasn't updating the resulting interval's register class. 
llvm-svn: 76458
 2009-07-20 19:47:55 +00:00
Evan Cheng 4e4eb0b00c Restore AsmWriterEmitter.cpp back to 74742. The recent changes broke Thumb. 
llvm-svn: 76398
 2009-07-20 06:10:07 +00:00
Evan Cheng 0794c6a083 Smarter isel of ldrsb / ldrsh. Only make use of these when [r,r] address is feasible. 
llvm-svn: 75360
 2009-07-11 07:08:13 +00:00
Evan Cheng cd4cdd1157 Major changes to Thumb (not Thumb2). Many 16-bit instructions either modifies CPSR when they are outside the IT blocks, or they can predicated when in Thumb2. Move the implicit def of CPSR to an optional def which defaults CPSR. This allows the 's' bit to be toggled dynamically. 
A side-effect of this change is asm printer is now using unified assembly. There are some minor clean ups and fixes as well.

llvm-svn: 75359
 2009-07-11 06:43:01 +00:00
Evan Cheng 39d8075edc Add missing tests. 
llvm-svn: 74945
 2009-07-07 20:38:08 +00:00
Evan Cheng ff1a4a7271 We should run these tests as well. 
llvm-svn: 74121
 2009-06-24 21:36:26 +00:00
Evan Cheng d76d0aa68a Move thumb and thumb2 tests into separate directories. 
llvm-svn: 74068
 2009-06-24 06:36:07 +00:00