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gcc/ 2014-08-19 David Malcolm <dmalcolm@redhat.com> * basic-block.h (BB_HEAD): Convert to a function. Strengthen the return type from rtx to rtx_insn *. (BB_END): Likewise. (BB_HEADER): Likewise. (BB_FOOTER): Likewise. (SET_BB_HEAD): Convert to a function. (SET_BB_END): Likewise. (SET_BB_HEADER): Likewise. (SET_BB_FOOTER): Likewise. * cfgrtl.c (BB_HEAD): New function, from macro of same name. Strengthen the return type from rtx to rtx_insn *. For now, this is done by adding a checked cast, but this will eventually become a field lookup. (BB_END): Likewise. (BB_HEADER): Likewise. (BB_FOOTER): Likewise. (SET_BB_HEAD): New function, from macro of same name. This is intended for use as an lvalue, and so returns an rtx& to allow in-place modification. (SET_BB_END): Likewise. (SET_BB_HEADER): Likewise. (SET_BB_FOOTER): Likewise. From-SVN: r214126
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