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Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes |
Date: |
Wed, 19 Jun 2019 18:11:10 +1000 |
User-agent: |
Mutt/1.11.4 (2019-03-13) |
On Mon, Jun 17, 2019 at 10:00:10PM -0700, Richard Henderson wrote:
> Ping. Otherwise I'll include it in my next tcg pull.
Uh.. I'm not sure who this ping is directed at. I'm afraid this
series has dropped off my radar.
>
>
> r~
>
> On 5/18/19 9:15 PM, Richard Henderson wrote:
> > Based-on: <address@hidden>
> > Aka "tcg: misc gvec improvements".
> >
> > Version 3 was last posted in March,
> > https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg05859.html
> >
> > Changes since v3:
> > * Add support for bitsel, with the vsx xxsel insn.
> > * Rely on the new relocation overflow handling, so
> > we don't require 3 insns for a vector load.
> >
> > Changes since v2:
> > * Several generic tcg patches to improve dup vs dupi vs dupm.
> > In particular, if a global temp (like guest r10) is not in
> > a host register, we should duplicate from memory instead of
> > loading to an integer register, spilling to stack, loading
> > to a vector register, and then duplicating.
> > * I have more confidence that 32-bit ppc host should work
> > this time around. No testing on that front yet, but I've
> > unified some code sequences with 64-bit ppc host.
> > * Base altivec now supports V128 only. Moved V64 support to
> > Power7 (v2.06), which has 64-bit load/store.
> > * Dropped support for 64-bit vector multiply using Power8.
> > The expansion was too large compared to using integer regs.
> >
> >
> > r~
> >
> >
> > Richard Henderson (7):
> > tcg/ppc: Initial backend support for Altivec
> > tcg/ppc: Support vector shift by immediate
> > tcg/ppc: Support vector multiply
> > tcg/ppc: Support vector dup2
> > tcg/ppc: Update vector support to v2.06
> > tcg/ppc: Update vector support to v2.07
> > tcg/ppc: Update vector support to v3.00
> >
> > tcg/ppc/tcg-target.h | 39 +-
> > tcg/ppc/tcg-target.opc.h | 11 +
> > tcg/ppc/tcg-target.inc.c | 1077 +++++++++++++++++++++++++++++++++++---
> > 3 files changed, 1063 insertions(+), 64 deletions(-)
> > create mode 100644 tcg/ppc/tcg-target.opc.h
> >
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, (continued)
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Mark Cave-Ayland, 2019/06/19
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Howard Spoelstra, 2019/06/20
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Mark Cave-Ayland, 2019/06/22
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Mark Cave-Ayland, 2019/06/22
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Aleksandar Markovic, 2019/06/23
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Richard Henderson, 2019/06/25
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Mark Cave-Ayland, 2019/06/25
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Richard Henderson, 2019/06/25
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Mark Cave-Ayland, 2019/06/25
- Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Aleksandar Markovic, 2019/06/25
Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes,
David Gibson <=