[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 3/5] target-arm: convert sar, shl and shr hel
|
From: |
Peter Maydell |
|
Subject: |
Re: [Qemu-devel] [PATCH v3 3/5] target-arm: convert sar, shl and shr helpers to TCG |
|
Date: |
Wed, 26 Sep 2012 16:43:22 +0100 |
On 25 September 2012 23:52, Aurelien Jarno <address@hidden> wrote:
> Now that the movcond TCG op is available, it's possible to replace
> shl and shr helpers by TCG code. The code generated by TCG is slightly
> longer than the code generated by GCC for the helper but is still worth
> it as 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 v3 0/5] target-arm: misc optimizations, Aurelien Jarno, 2012/09/25
- [Qemu-devel] [PATCH v3 5/5] target-arm: use deposit instead of hardcoded version, Aurelien Jarno, 2012/09/25
- [Qemu-devel] [PATCH v3 3/5] target-arm: convert sar, shl and shr helpers to TCG, Aurelien Jarno, 2012/09/25
- Re: [Qemu-devel] [PATCH v3 3/5] target-arm: convert sar, shl and shr helpers to TCG,
Peter Maydell <=
- [Qemu-devel] [PATCH v3 2/5] target-arm: convert add_cc and sub_cc helpers to TCG, Aurelien Jarno, 2012/09/25
- [Qemu-devel] [PATCH v3 4/5] target-arm: mark a few integer helpers const and pure, Aurelien Jarno, 2012/09/25
- [Qemu-devel] [PATCH v3 1/5] target-arm: use globals for CC flags, Aurelien Jarno, 2012/09/25
- Re: [Qemu-devel] [PATCH v3 0/5] target-arm: misc optimizations, Peter Maydell, 2012/09/26