4408efce8b
* sh.c (trap_exit, sp_switch): New variables. (print_operand, case '@'): If trap_exit is nonzero, then use a trapa instead of an rte/rts to exit the current function. (sh_expand_prologue): Switch stacks at function entry as needed. (sh_expand_epilogue): Similarly at function exit. (function_epilogue): Clear trap_exit and sp_switch too. (sh_valid_machine_decl_attribute): New function. * sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define. (sp_switch): Declare. * sh.md (sp_switch_1, sp_switch_2): New named patterns. From-SVN: r14148 |
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