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Re: [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env |
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Date: |
Thu, 26 May 2011 20:34:35 +0100 |
On 26 May 2011 20:01, Blue Swirl <address@hidden> wrote:
> On Wed, May 25, 2011 at 7:00 PM, Peter Maydell <address@hidden> wrote:
>> This obviously still leaves some global CPUState use in op_helper.c,
>> but it's a move in the right direction.
>
> Have you seen any measurable changes in performance? The discussion
> about the performance effect of changes like this was not very
> conclusive.
Nope, I haven't measured. I was persuaded of the advantages
of dropping global CPUState purely for (a) consistency and
(b) avoiding nasty hacks.
-- PMM
- [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env, Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 2/6] target-arm: Add helper function to generate code to get fpstatus pointer, Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 6/6] Revert "Makefile.target: Allow target helpers to be in any *_helper.c file", Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 4/6] target-arm: Pass fp status pointer explicitly to neon fp helpers, Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 1/6] Revert "target-arm: Use global env in iwmmxt_helper.c helpers", Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 3/6] target-arm: Make VFP binop helpers take pointer to fpstatus, not CPUState, Peter Maydell, 2011/05/25
- [Qemu-devel] [PATCH 5/6] Revert "target-arm: Use global env in neon_helper.c helpers", Peter Maydell, 2011/05/25
- Re: [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env, Blue Swirl, 2011/05/26
- Re: [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env,
Peter Maydell <=
- Re: [Qemu-devel] [PATCH 0/6] target-arm: reduce usage of global env, Peter Maydell, 2011/05/26