config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m /pentium4m.
* config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m
/pentium4m.
* i386.c (override_options): Add support for new CPUs.
* i386.h (TARGET_CPU_DEFAULT_NAMES): New names.
(TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_pentium4e): New
constants.
* invoke.texi: Extend documentation of -mtune/-march for new CPUs.