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5 Commits

Author SHA1 Message Date
Jinsong Ji
c7cbe2ad6b [PowerPC] Support extended mnemonics mffprwz etc. 
Summary:
Reported in https://github.com/opencv/opencv/issues/15413.

We have serveral extended mnemonics for Move To/From Vector-Scalar Register Instructions
eg: mffprd,mtfprd etc.

We only support one of them, this patch add the others.

Reviewers: nemanjai, steven.zhang, hfinkel, #powerpc

Reviewed By: hfinkel

Subscribers: wuzish, qcolombet, hiraditya, kbarton, MaskRay, shchenz, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66963

llvm-svn: 370411
 2019-08-29 21:53:59 +00:00
James Y Knight
40395d6771 Remove irrelevant references to legacy git repositories from 
compiler identification lines in test-cases.

(Doing so only because it's then easier to search for references which
are actually important and need fixing.)

llvm-svn: 351200
 2019-01-15 16:18:52 +00:00
Tony Jiang
854153de5a [PPC] Heuristic to choose between a X-Form VSX ld/st vs a X-Form FP ld/st. 
The VSX versions have the advantage of a full 64-register target whereas the FP
ones have the advantage of lower latency and higher throughput. So what we’re
after is using the faster instructions in low register pressure situations and
using the larger register file in high register pressure situations.

The heuristic chooses between the following 7 pairs of instructions.
PPC::LXSSPX vs PPC::LFSX
PPC::LXSDX vs PPC::LFDX
PPC::STXSSPX vs PPC::STFSX
PPC::STXSDX vs PPC::STFDX
PPC::LXSIWAX vs PPC::LFIWAX
PPC::LXSIWZX vs PPC::LFIWZX
PPC::STXSIWX vs PPC::STFIWX

Differential Revision: https://reviews.llvm.org/D38486

llvm-svn: 318651
 2017-11-20 14:38:30 +00:00
Ehsan Amiri
db43217a24 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
Ehsan Amiri
ee69c81e47 [PPC] Use VSX/FP Facility integer load when an integer load's only users are conversion to FP 
http://reviews.llvm.org/D18405

When the integer value loaded is never used directly as integer we should use VSX 
or Floating Point Facility integer loads and avoid extra direct move

llvm-svn: 265593
 2016-04-06 20:12:29 +00:00