Commit Graph

12 Commits

Author SHA1 Message Date
Nemanja Ivanovic 009016bb70 [PowerPC] Pretty-print CR bits the way the binutils disassembler does
This patch just adds printing of CR bit registers in a more human-readable
form akin to that used by the GNU binutils.

Differential Revision: https://reviews.llvm.org/D31494

llvm-svn: 309001
2017-07-25 18:26:35 +00:00
Nemanja Ivanovic 3c7e276d24 [PowerPC] Ensure displacements for DQ-Form instructions are multiples of 16
As outlined in the PR, we didn't ensure that displacements for DQ-Form
instructions are multiples of 16. Since the instruction encoding encodes
a quad-word displacement, a sub-16 byte displacement is meaningless and
ends up being encoded incorrectly.

Fixes https://bugs.llvm.org/show_bug.cgi?id=33671.

Differential Revision: https://reviews.llvm.org/D35007

llvm-svn: 307934
2017-07-13 18:17:10 +00:00
Zaara Syeda 932978315b P9: D-form vector load/store. Differential Revision: https://reviews.llvm.org/D33248
llvm-svn: 303780
2017-05-24 17:50:37 +00:00
Nemanja Ivanovic b89c27f515 [PowerPC] Emit VMX loads/stores for aligned ops to avoid adding swaps on LE
Fixes PR30730.
This is a re-commit of a pulled commit. The commit was pulled because some
software projects contained uses of Altivec vectors that violated alignment
requirements. Known issues have now been fixed.

Committing on behalf of Lei Huang.

Differential Revision: https://reviews.llvm.org/D26861

llvm-svn: 301892
2017-05-02 01:47:34 +00:00
Nemanja Ivanovic f57f150b1b Revert https://reviews.llvm.org/rL287679
This commit caused some miscompiles that did not show up on any of the bots.
Reverting until we can investigate the cause of those failures.

llvm-svn: 288214
2016-11-29 23:00:33 +00:00
Nemanja Ivanovic b8e30d6db6 [PowerPC] Emit VMX loads/stores for aligned ops to avoid adding swaps on LE
This patch corresponds to review:
https://reviews.llvm.org/D26861

It also fixes PR30730.

Committing on behalf of Lei Huang.

llvm-svn: 287679
2016-11-22 19:02:07 +00:00
Nemanja Ivanovic 11049f8f07 [Power9] Part-word VSX integer scalar loads/stores and sign extend instructions
This patch corresponds to review:
https://reviews.llvm.org/D23155

This patch removes the VSHRC register class (based on D20310) and adds
exploitation of the Power9 sub-word integer loads into VSX registers as well
as vector sign extensions.
The new instructions are useful for a few purposes:

    Int to Fp conversions of 1 or 2-byte values loaded from memory
    Building vectors of 1 or 2-byte integers with values loaded from memory
    Storing individual 1 or 2-byte elements from integer vectors

This patch implements all of those uses.

llvm-svn: 283190
2016-10-04 06:59:23 +00:00
Nemanja Ivanovic d2c3c51a70 [Power9] Exploit move and splat instructions for build_vector improvement
This patch corresponds to review:
https://reviews.llvm.org/D21135

This patch exploits the following instructions:
mtvsrws
lxvwsx
mtvsrdd
mfvsrld

In order to improve some build_vector and extractelement patterns.

llvm-svn: 282246
2016-09-23 13:25:31 +00:00
Nemanja Ivanovic 6e7879c5e6 [Power9] Add exploitation of non-permuting memory ops
This patch corresponds to review:
https://reviews.llvm.org/D19825

The new lxvx/stxvx instructions do not require the swaps to line the elements
up correctly. In order to select them over the lxvd2x/lxvw4x instructions which
require swaps, the patterns for the old instruction have a predicate that
ensures they won't be selected on Power9 and newer CPUs.

llvm-svn: 282143
2016-09-22 09:52:19 +00:00
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
Kit Barton 6646033e6e This patch adds support for the vector quadword add/sub instructions introduced
in POWER8:

vadduqm
vaddeuqm
vaddcuq
vaddecuq
vsubuqm
vsubeuqm
vsubcuq
vsubecuq
In addition to adding the instructions themselves, it also adds support for the
v1i128 type for intrinsics (Intrinsics.td, Function.cpp, and
IntrinsicEmitter.cpp).

http://reviews.llvm.org/D9081

llvm-svn: 238144
2015-05-25 15:49:26 +00:00
Kit Barton d4eb73c00e This patch adds ABI support for v1i128 data type.
It adds v1i128 to the appropriate register classes and checks parameter passing
and return values.

This is related to http://reviews.llvm.org/D9081, which will add instructions
that exploit the v1i128 datatype.

Phabricator review: http://reviews.llvm.org/D9475

llvm-svn: 236503
2015-05-05 16:10:44 +00:00