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Re: [Qemu-devel] [PATCH v2 2/5] target-arm: convert add_cc and sub_cc he
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH v2 2/5] target-arm: convert add_cc and sub_cc helpers to TCG |
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Date: |
Tue, 25 Sep 2012 17:40:13 +0100 |
On 21 September 2012 20:33, Aurelien Jarno <address@hidden> wrote:
> Now that the setcond TCG op is available, it's possible to replace
> add_cc and sub_cc helpers by TCG code. The code generated by TCG is
> actually very close to the one generated by GCC for the helper, and
> this avoid all the consequences of using an helper: globals saved back
> to memory, no possible optimization, call overhead, etc.
>
> Cc: Peter Maydell <address@hidden>
> Signed-off-by: Aurelien Jarno <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
-- PMM
- [Qemu-devel] [PATCH v2 0/5] target-arm: misc optimizations, Aurelien Jarno, 2012/09/21
- [Qemu-devel] [PATCH v2 5/5] target-arm: use deposit instead of hardcoded version, Aurelien Jarno, 2012/09/21
- [Qemu-devel] [PATCH v2 2/5] target-arm: convert add_cc and sub_cc helpers to TCG, Aurelien Jarno, 2012/09/21
- Re: [Qemu-devel] [PATCH v2 2/5] target-arm: convert add_cc and sub_cc helpers to TCG,
Peter Maydell <=
- [Qemu-devel] [PATCH v2 3/5] target-arm: convert sar, shl and shr helpers to TCG, Aurelien Jarno, 2012/09/21
- [Qemu-devel] [PATCH v2 1/5] target-arm: use globals for CC flags, Aurelien Jarno, 2012/09/21
- [Qemu-devel] [PATCH v2 4/5] target-arm: mark a few integer helpers const and pure, Aurelien Jarno, 2012/09/21
- Re: [Qemu-devel] [PATCH v2 0/5] target-arm: misc optimizations, Peter Maydell, 2012/09/25