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14 Commits

Author SHA1 Message Date
Evan Cheng ff310737e5 Re-commit 117518 and 117519 now that ARM MC test failures are out of the way. 
llvm-svn: 117531
 2010-10-28 06:47:08 +00:00
Evan Cheng e2c211c1b9 Revert 117518 and 117519 for now. They changed scheduling and cause MC tests to fail. Ugh. 
llvm-svn: 117520
 2010-10-28 02:00:25 +00:00
Evan Cheng ff1c862f8e - Assign load / store with shifter op address modes the right itinerary classes. 
- For now, loads of [r, r] addressing mode is the same as the
  [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should
  identify the former case and reduce the output latency by 1.
- Also identify [r, r << 2] case. This special form of shifter addressing mode
  is "free".

llvm-svn: 117519
 2010-10-28 01:49:06 +00:00
Andrew Trick f4ebec03e0 putback r116983 and fix simple-fp-encoding.ll tests 
llvm-svn: 116992
 2010-10-21 03:40:16 +00:00
Owen Anderson 9e00f27e14 Revert r116983, which is breaking all the buildbots. 
llvm-svn: 116987
 2010-10-21 03:11:16 +00:00
Evan Cheng 15c2ac90ec Add missing scheduling itineraries for transfers between core registers and VFP registers. 
llvm-svn: 116983
 2010-10-21 01:12:00 +00:00
Evan Cheng 34c260458a Change ARM scheduling default to list-hybrid if the target supports floating point instructions (and is not using soft float). 
llvm-svn: 104307
 2010-05-21 00:43:17 +00:00
Jim Grosbach 71fcb4fedd switch the flag for using NEON for SP floating point to a subtarget 'feature'. 
Re-commit. This time complete with testsuite updates.

llvm-svn: 99570
 2010-03-25 23:47:34 +00:00
Edward O'Callaghan 21d7e8aeb1 Convert ARM tests to FileCheck for PR5307. 
llvm-svn: 89593
 2009-11-22 14:23:33 +00:00
Jim Grosbach d7cf55cd0e Use Unified Assembly Syntax for the ARM backend. 
llvm-svn: 86494
 2009-11-09 00:11:35 +00:00
David Goodwin 1cc6dd97da Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default. 
llvm-svn: 83218
 2009-10-01 22:19:57 +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
David Goodwin 742db6a6d4 Make NEON single-precision FP support the default for cortex-a8 (again). 
llvm-svn: 78430
 2009-08-07 23:32:33 +00:00
David Goodwin 3b9c52c5c1 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations. 
llvm-svn: 78081
 2009-08-04 17:53:06 +00:00