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Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-
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From: |
David Gibson |
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Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow |
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Date: |
Mon, 27 Feb 2017 12:39:49 +1100 |
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User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Fri, Feb 24, 2017 at 05:30:23PM +1100, Richard Henderson wrote:
> On 02/24/2017 03:50 PM, David Gibson wrote:
> > Although I guess they'd shrink right down again if we put an
> > env->xer_mask in. Thoughts on that option Richard?
>
> Why would xer_mask shrink the code? I can't see that we'd be able to
> eliminate any code using the mask.
Uh.. I think I was thinking about the qemu code, not the generated
code. It means we could unconditionally and with the xer_mask in some
places, rather than having fiddly conditionals.
--
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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- [Qemu-ppc] [PATCH v3 01/10] target/ppc: move cpu_[read, write]_xer to cpu.c, (continued)
- [Qemu-ppc] [PATCH v3 01/10] target/ppc: move cpu_[read, write]_xer to cpu.c, Nikunj A Dadhania, 2017/02/22
- [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Nikunj A Dadhania, 2017/02/22
- Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Richard Henderson, 2017/02/22
- Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Richard Henderson, 2017/02/22
- Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Nikunj A Dadhania, 2017/02/23
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Richard Henderson, 2017/02/23
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, David Gibson, 2017/02/23
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Nikunj Dadhania, 2017/02/23
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, David Gibson, 2017/02/24
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Richard Henderson, 2017/02/24
- Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow,
David Gibson <=
Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, David Gibson, 2017/02/22
Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Nikunj A Dadhania, 2017/02/23
Re: [Qemu-ppc] [Qemu-devel] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, Richard Henderson, 2017/02/23
Re: [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow, David Gibson, 2017/02/23
[Qemu-ppc] [PATCH v3 02/10] target/ppc: optimize gen_write_xer(), Nikunj A Dadhania, 2017/02/22
[Qemu-ppc] [PATCH v3 04/10] target/ppc: update ca32 in arithmetic add, Nikunj A Dadhania, 2017/02/22
[Qemu-ppc] [PATCH v3 05/10] target/ppc: update ca32 in arithmetic substract, Nikunj A Dadhania, 2017/02/22