Commit: MSP430: Add -mcpu= option

[Nick Clifton]

Hi Guys,

  I am committing the attached patch to add a -mcpu= command line option
  to the MSP430 backend.  This allows the selection of the ISA to be
  used, and it operates independently of the -mmcu= command line option.

gcc/ChangeLog
2014-01-17  Nick Clifton  <ni...@redhat.com>

        * config/msp430/msp430.opt: (mcpu): New option.
        * config/msp430/msp430.c (msp430_mcu_name): Use target_mcu.
        (msp430_option_override): Parse target_cpu.  If the MCU name
        matches a generic string, clear target_mcu.
        (msp430_attr): Allow numeric interrupt values up to 63.
        (msp430_expand_epilogue): No longer invert operand 1 of gen_popm.
        * config/msp430/msp430.h (ASM_SPEC): Convert -mcpu into a -mmcu
        option.
        * config/msp430/t-msp430: (MULTILIB_MATCHES): Remove mcu matches.
        Add mcpu matches.
        * config/msp430/msp430.md (popm): Use %J rather than %I.
        (addsi3): Use msp430_nonimmediate_operand for operand 2.
        (addhi_cy_i): Use immediate_operand for operand 2.
        * doc/invoke.texi: Document -mcpu option.

msp430.mcpu.patch.xz
Description: application/xz