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* config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete. (mips_regno_mode_ok_for_base_p): Declare. * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77. (FRAME_POINTER_REGNUM): Renumber to 78. (FIRST_PSEUDO_REGISTER): Update comment accordingly. (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete. (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete. (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p. (REG_MODE_OK_FOR_BASE_P): Likewise. * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change entry for 77 to "$arg" and entry for 78 to "$frame". (mips_regno_to_class): Map 77 and 78 to ALL_REGS. (mips_reg_mode_ok_for_base_p): Remove. (mips_regno_mode_ok_for_base_p): New function, derived from old BASE_REG_P macro. Don't enforce the mips16 stack pointer restrictions unless we're being strict. (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p. testsuite/ * gcc.dg/torture/mips-clobber-at.c: New test. From-SVN: r76547
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