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Commit Graph

Author	SHA1	Message	Date
Richard Sandiford	793ce99ea7	[SystemZ] Automatically detect zEC12 and z196 hosts As on other hosts, the CPU identification instruction is priveleged, so we need to look through /proc/cpuinfo. I copied the PowerPC way of handling "generic". Several tests were implicitly assuming z10 and so failed on z196. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193742 91177308-0d34-0410-b5e6-96231b3b80d8	2013-10-31 12:14:17 +00:00
Richard Sandiford	d1a4f579bf	[SystemZ] Improve handling of SETCC We previously used the default expansion to SELECT_CC, which in turn would expand to "LHI; BRC; LHI". In most cases it's better to use an IPM-based sequence instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192784 91177308-0d34-0410-b5e6-96231b3b80d8	2013-10-16 11:10:55 +00:00

Author

SHA1

Message

Date

Richard Sandiford

793ce99ea7

[SystemZ] Automatically detect zEC12 and z196 hosts

As on other hosts, the CPU identification instruction is priveleged,
so we need to look through /proc/cpuinfo.  I copied the PowerPC way of
handling "generic".

Several tests were implicitly assuming z10 and so failed on z196.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193742 91177308-0d34-0410-b5e6-96231b3b80d8

2013-10-31 12:14:17 +00:00

Richard Sandiford

d1a4f579bf

[SystemZ] Improve handling of SETCC

We previously used the default expansion to SELECT_CC, which in turn would
expand to "LHI; BRC; LHI".  In most cases it's better to use an IPM-based
sequence instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192784 91177308-0d34-0410-b5e6-96231b3b80d8

2013-10-16 11:10:55 +00:00

2 Commits