Re: [s390] Add return and simple_return patterns

2014-02-07 Thread Andreas Krebbel
On 04/02/14 12:27, Richard Sandiford wrote: This patch adds return and simple_return patterns to the s390 backend, which eanbles shrink-wrapping and conditional returns to be used. Perhaps the only subtle thing is the handling of call-clobbered base registers. The idea is to emit the

[s390] Add return and simple_return patterns

2014-02-04 Thread Richard Sandiford
This patch adds return and simple_return patterns to the s390 backend, which eanbles shrink-wrapping and conditional returns to be used. Perhaps the only subtle thing is the handling of call-clobbered base registers. The idea is to emit the initialising main_pool pattern in both early_mach -- at