Commits on May 26, 2023

1. graphene: fix alignment of graphene_simd4f_t on armhf and s390x …

   On systems with the armhf ABI as used by Debian and Ubuntu (amdv7 + VFP,
   but without NEON), graphene falls back to the scalar definition of
   graphene_simd4f_t, which has the same alignment as its base type, float.
   
   On s390x, the underlying type is a generic float
   __attribute__((vector_size(16)). Surprinsingly, the s390x ABI does not
   mandate alignment bigger than 8 for the vector types.
   
   Without these patches, the layout tests fail on those architectures. The
   armhf case is notable because there are a fair number of Raspberry Pis
   out there that use that ABI, either because their SoC isn't 64-bit ready
   or just because they have low memory.
   
   Ideally, we could specifiy this in the Gir.toml file, but it doesn't
   seem like the tool is flexible enough to express this kind of nuances,

   

   schopin-pro committed May 26, 2023
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