Commit Graph

4 Commits

Author SHA1 Message Date
Ehsan Amiri a538b0f023 Adding -verify-machineinstrs option to PowerPC tests
Currently we have a number of tests that fail with -verify-machineinstrs.
To detect this cases earlier we add the option to the testcases with the
exception of tests that will currently fail with this option. PR 27456 keeps
track of this failures.

No code review, as discussed with Hal Finkel.

llvm-svn: 277624
2016-08-03 18:17:35 +00:00
Chuang-Yu Cheng 6efde2fb45 [PPC64] Use mfocrf in prologue when we only need to save 1 nonvolatile CR field
In the ELFv2 ABI, we are not required to save all CR fields. If only one
nonvolatile CR field is clobbered, use mfocrf instead of mfcr to
selectively save the field, because mfocrf has short latency compares to
mfcr.

Thanks Nemanja's invaluable hint!
Reviewers: nemanjai tjablin hfinkel kbarton

http://reviews.llvm.org/D17749

llvm-svn: 266038
2016-04-12 03:04:44 +00:00
Kyle Butt 5e241b11ed [Codegen] Decrease minimum jump table density.
Minimum density for both optsize and non optsize are now options
-sparse-jump-table-density (default 10) for non optsize functions
-dense-jump-table-density (default 40) for optsize functions, which
matches the current default. This improves several benchmarks at google
at the cost of a small codesize increase. For code compiled with -Os,
the old behavior continues

llvm-svn: 264689
2016-03-29 00:23:41 +00:00
Nemanja Ivanovic a8ef3c9b86 Fix for PR26690 take 2
This is what was meant to be in the initial commit to fix this bug. The
parens were missing. This commit also adds a test case for the bug and
has undergone full testing on PPC and X86.

llvm-svn: 261546
2016-02-22 18:04:00 +00:00