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* ARM: HFAs must be passed in consecutive registersOliver Stannard2014-05-091-0/+94
When using the ARM AAPCS, HFAs (Homogeneous Floating-point Aggregates) must be passed in a block of consecutive floating-point registers, or on the stack. This means that unused floating-point registers cannot be back-filled with part of an HFA, however this can currently happen. This patch, along with the corresponding clang patch (http://reviews.llvm.org/D3083) prevents this. llvm-svn: 208413
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