rs6000.h (enum processor_type): Add support for 7400 (G4) and 7450.

rs6000.h (enum processor_type): Add support for 7400 (G4) and 7450.

2001-10-01  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (enum processor_type): Add support
        for 7400 (G4) and 7450.
        (RTX_COSTS): Ditto.
        * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
        (rs6000_issue_rate): Ditto.
        (rs6000_adjust_cost): Fix cycle counts for compares.
        (debug_stack_info):  Fix an obvious typo.
        * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
        * doc/invoke.texi: Document.
        * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
        for Darwin.
        (PROCESSOR_DEFAULT): Ditto.

From-SVN: r45937