Defines starting with `a' in machdep/ppc

• addr16 machdep/ppc/asm.h:122
• ALIGN_MASK machdep/ppc/dbdma.c:178
• ALIGNMENT machdep/ppc/asm.h:80
• _ANIL machdep/ppc/alignment.c:102
• ARG0 machdep/ppc/asm.h:28
• ARG1 machdep/ppc/asm.h:29
• ARG2 machdep/ppc/asm.h:30
• ARG3 machdep/ppc/asm.h:31
• ARG4 machdep/ppc/asm.h:32
• ARG5 machdep/ppc/asm.h:33
• ARG6 machdep/ppc/asm.h:34
• ARG7 machdep/ppc/asm.h:35
• AST_ALL machdep/ppc/ast.h:46