On 12/01/2011 03:22 AM, Ramana Radhakrishnan wrote:
>> "tst\\t%0, #255"
>> - [(set_attr "conds" "set")]
>> + [(set_attr "conds" "set")
>> + (set_attr "predicable" "yes")]
>> )
>
> It should be tst%? . Otherwise in the predicable case we wouldn't have
> the condition code printed out.
Yes,
Hi Richard,
> ---
> gcc/config/arm/arm.md | 40 ++--
> 1 files changed, 30 insertions(+), 10 deletions(-)
>
> diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
> index b01343c..3b24627 100644
> --- a/gcc/config/arm/arm.md
> +++ b/gcc/config/arm/arm
Make sure its set for all CMP, CMN, TST instructions, which do work
inside IT blocks. Split the TEQ pattern so that it can be predicated
in ARM mode for better compare-and-swap generation.
---
gcc/config/arm/arm.md | 40 ++--
1 files changed, 30 insertions(+)
