+2009-04-28 Joseph Myers <joseph@codesourcery.com>
+
+ * config.gcc (powerpc*-*-* | rs6000-*-*): Add
+ rs6000/option-defaults.h to tm_file. Support cpu_32, cpu_64,
+ tune_32 and tune_64.
+ * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
+ support on PowerPC.
+ * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
+ * config/rs6000/option-defaults.h: ... here. New file.
+ (OPT_64, OPT_32): Define.
+ (MASK_64BIT): Define to 0 if not already defined.
+ (OPT_ARCH64, OPT_ARCH32): Define.
+ (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
+ and tune_64.
+
2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/arm/arm.c (arm_override_options): Emit error on using