+2007-10-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/aix53.h: New file.
+ * config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0.
+ (TARGET_ALTIVEC_ABI): Same.
+ * config/rs6000/aix.h (TARGET_ALTIVEC): Delete.
+ (TARGET_ALTIVEC_ABI): Delete.
+ * config.gcc (powerpc-ibm-aix5*): Rename to aix5.2. Add new
+ stanza defaulting to aix5.3.
+
2007-10-12 Nathan Froyd <froydnj@codesourcery.com>
* config/i386/i386.md (SI_REG, DI_REG): New constants.