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evas: Check for NEON via eina_cpu_features if possible 

On linux we can do this test without firing a SIGILL and trapping it,
if getauxval() is present.

ref T6711
This commit is contained in:
Derek Foreman 2018-02-28 16:38:53 -06:00
parent 977b2731ee
commit 9111811b83
1 changed files with 6 additions and 0 deletions
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6
src/lib/evas/common/evas_cpu.c
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@ -237,9 +237,15 @@ evas_common_cpu_init(void)
cpu_feature_mask &= ~CPU_FEATURE_NEON;
else
{
/* On linux eina_cpu sets this up with getauxval() */
#if defined(HAVE_SYS_AUXV_H) && defined(HAVE_ASM_HWCAP_H) && defined(__arm__) && defined(__linux__)
cpu_feature_mask |= CPU_FEATURE_NEON *
!!(eina_cpu_features_get() & EINA_CPU_NEON);
#else
cpu_feature_mask |= CPU_FEATURE_NEON *
evas_common_cpu_feature_test(evas_common_cpu_neon_test);
evas_common_cpu_end_opt();
#endif
}
# endif
#endif