* optabs.c (prepare_float_lib_cmp): Attach a REG_EQUAL note describing the return value of the comparison libcall to the REG_RETVAL instruction of the emitted sequence. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72148 138bc75d-0d04-0410-961f-82ee72b054a4
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