Re: [dpdk-dev] [PATCH] librte_eal: Fix wrong header file for old gcc version

["Qiu, Michael" <michael.qiu@intel.com>]

Hi, all

Any comments on this?

Thanks,
Michael
On 2015/9/25 10:56, Qiu, Michael wrote:
> On 2015/9/7 22:46, Thomas Monjalon wrote:
>> 2015-08-24 17:22, Michael Qiu:
>>> For __SSE3__, the corresponding header file should be pmmintrin.h,
>>> tmmintrin.h works for __SSSE3__.
>> Please could you better explain the difference and what is exactly the bug
>> being fixed?
> It should solve this issue:
>
> [dpdk-dev] DPDK 2.1.0 build error: inlining failed in call to always_inline
>
> /usr/lib/gcc/x86_64-redhat-linux/4.9.2/include/tmmintrin.h:185:1: error: inlining failed in call to always_inline ‘_mm_alignr_epi8’: t
> arget specific option mismatch
>  _mm_alignr_epi8(__m128i __X, __m128i __Y, const int __N)
>
>  ^
> The AMD cpu flags:
>
> flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxe
> xt fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni monitor cx16 popcnt lah
> f_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt cpb hw_pstate npt lbrv svm_lock nrip_sa
>
>
> "_mm_alignr_epi8" only works for ssse3 or upper,
> but this AMD CPU does not support that. This function has been wrongly called, because the wrong header file.
>
> Thanks,
> Michael 
>
>
>> Thanks
>>
>>
>