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Re: [Qemu-devel] [PATCH 0/5] tcg: Initialize prologue after guest_base f
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH 0/5] tcg: Initialize prologue after guest_base fixed |
Date: |
Fri, 21 May 2010 18:41:51 +0200 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Thu, May 06, 2010 at 08:50:40AM -0700, Richard Henderson wrote:
> By doing this we can make any number of decisions about code generation
> during the prologue. For instance, we can decide whether or not to
> reserve a register to hold the value of GUEST_BASE.
>
> This fixes a latent bug in the two ppc ports in that GUEST_BASE was
> being loaded as an immediate before the final value of GUEST_BASE is
> computed.
>
> This also fixes some register reservation problems I noticed in the
> ia64 port, while trying to decide which register to use for holding
> GUEST_BASE across the TB.
>
>
> r~
>
>
>
> Richard Henderson (5):
> tcg: Initialize the prologue after GUEST_BASE is fixed.
> tcg-hppa: Load GUEST_BASE as an immediate.
> tcg-ia64: Fix some register usage issues.
> tcg-ia64: Load GUEST_BASE into a register.
> tcg-ppc: Conditionally reserve TCG_GUEST_BASE_REG.
>
> bsd-user/main.c | 9 ++-
> exec.c | 5 +
> linux-user/main.c | 9 ++-
> tcg/hppa/tcg-target.c | 12 +--
> tcg/ia64/tcg-target.c | 199
> +++++++++++++++++++++++++++++++-----------------
> tcg/ppc/tcg-target.c | 8 +-
> tcg/ppc64/tcg-target.c | 9 +-
> tcg/tcg.c | 3 +
> tcg/tcg.h | 1 +
> 9 files changed, 167 insertions(+), 88 deletions(-)
>
Thanks, applied patches 1-4.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- [Qemu-devel] [PATCH 0/5] tcg: Initialize prologue after guest_base fixed, Richard Henderson, 2010/05/06
- [Qemu-devel] [PATCH 2/5] tcg-hppa: Load GUEST_BASE as an immediate., Richard Henderson, 2010/05/06
- [Qemu-devel] [PATCH 5/5] tcg-ppc: Conditionally reserve TCG_GUEST_BASE_REG., Richard Henderson, 2010/05/06
- [Qemu-devel] [PATCH 3/5] tcg-ia64: Fix some register usage issues., Richard Henderson, 2010/05/06
- [Qemu-devel] [PATCH 1/5] tcg: Initialize the prologue after GUEST_BASE is fixed., Richard Henderson, 2010/05/06
- [Qemu-devel] [PATCH 4/5] tcg-ia64: Load GUEST_BASE into a register., Richard Henderson, 2010/05/06
- Re: [Qemu-devel] [PATCH 0/5] tcg: Initialize prologue after guest_base fixed,
Aurelien Jarno <=