llvm-mirror

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History

Evan Cheng f215e55d5f - Allow target to specify when is register pressure "too high". In most cases,

it's too late to start backing off aggressive latency scheduling when most
  of the registers are in use so the threshold should be a bit tighter.
- Correctly handle live out's and extract_subreg etc.
- Enable register pressure aware scheduling by default for hybrid scheduler.
  For ARM, this is almost always a win on # of instructions. It's runtime
  neutral for most of the tests. But for some kernels with high register
  pressure it can be a huge win. e.g. 464.h264ref reduced number of spills by
  54 and sped up by 20%.

llvm-svn: 109279

2010-07-23 22:39:59 +00:00

Alpha

Split big test into multiple directories to cater to

2010-04-07 20:43:35 +00:00

ARM

- Allow target to specify when is register pressure "too high". In most cases,

2010-07-23 22:39:59 +00:00

Blackfin

Remove TargetInstrInfo::copyRegToReg entirely.

2010-07-11 17:01:17 +00:00

CBackend

Eliminate more uses of llvm-as and llvm-dis.