Re: [PATCH] .travis.yml: Build acceptance tests with -O2 compiler optimization

[Philippe Mathieu-Daudé]

On 6/21/20 8:05 PM, Philippe Mathieu-Daudé wrote:
> On 6/21/20 2:47 PM, Alex Bennée wrote:
>>
>> Philippe Mathieu-Daudé <f4bug@amsat.org> writes:
>>
>>> On 6/21/20 1:29 AM, Philippe Mathieu-Daudé wrote:
>>>> As we just want the tests to succeed, build them with compiler
>>>> optimizations enabled to run the tests faster.
>>>
>>> Maybe it is a good opportunity to test -O3 instead...
>>> Since this configuration is not covered.
>>
>> Don't know if -O3 is worth it - even Gentoo developers warn against
>> cranking it up too much.
>>
>> In fact I'm surprised we don't build -O2 by default.
> 
> Do you mean in Travis or directly in ./configure?

Indeed ./configure uses -O2 is by default since 2005 :)

(commits c326e0afec0 / 6f30fa853b7 / ce278618b08).

> 
>>
>>>
>>>>
>>>> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
>>>> ---
>>>>  .travis.yml | 2 +-
>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/.travis.yml b/.travis.yml
>>>> index 74158f741b..61b247db9f 100644
>>>> --- a/.travis.yml
>>>> +++ b/.travis.yml
>>>> @@ -293,7 +293,7 @@ jobs:
>>>>      - name: "GCC check-acceptance"
>>>>        dist: bionic
>>>>        env:
>>>> -        - CONFIG="--enable-tools 
>>>> --target-list=aarch64-softmmu,alpha-softmmu,arm-softmmu,m68k-softmmu,microblaze-softmmu,mips-softmmu,mips64el-softmmu,nios2-softmmu,or1k-softmmu,ppc-softmmu,ppc64-softmmu,s390x-softmmu,sh4-softmmu,sparc-softmmu,x86_64-softmmu,xtensa-softmmu"
>>>> +        - CONFIG="--extra-cflags=-O2 --enable-tools 
>>>> --target-list=aarch64-softmmu,alpha-softmmu,arm-softmmu,m68k-softmmu,microblaze-softmmu,mips-softmmu,mips64el-softmmu,nios2-softmmu,or1k-softmmu,ppc-softmmu,ppc64-softmmu,s390x-softmmu,sh4-softmmu,sparc-softmmu,x86_64-softmmu,xtensa-softmmu"
>>>>          - TEST_CMD="make check-acceptance"
>>>>          - CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-acceptance"
>>>>        after_script:
>>>>
>>
>>
>