2001-07-05  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (MASK_MIPS3900): Remove.
        (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
        MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
        (TARGET_MIPS3900): Change to use mips_arch.
        (TARGET_MIPS4000): New.
        (TARGET_MIPS4100): New.
        (TARGET_MIPS4300): New.
        (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
        (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
        for -mipsX.
        (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
        (ISA_HAS_BRANCHLIKELY): To here.
        (CC1_CPU_SPEC):  New.
        (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
        (mips_arch_string): Declare.
        (mips_arch): Declare.
        (TARGET_OPTIONS): Add -march and -mtune.

        * config/mips/mips.c (mips_arch_string): New.
        (mips_arch): New.
        (override_options): Handle -march for codegen and -mtune
        for scheduling. Use mips_arch. Move tx39 target default here.
        (mips_parse_cpu): Move error message to override_options.

        * config/mips/r3900.h (TARGET_DEFAULT): Remove.

        * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.

        * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
        (MIPS Options): Ditto.  Change mcpu entry to historical text.

2001-07-05  H.J. Lu  (hjl@gnu.org)

        * config/mips/mips.c (mips_parse_cpu): New function to parse
        -march=*/-mcpu=*.

From-SVN: r43803