Fix register includes in unusedArgs.C

unusedArgs/unusedArgs.C

@@ -6,22 +6,25 @@
 #include "Symtab.h"
 #include "Function.h"
 #include "liveness.h"
-#include "registers/x86_64_regs.h"
 
 using namespace Dyninst;
 using namespace SymtabAPI;
 using namespace ParseAPI;
 using namespace std;
 
 #if defined(__x86_64__)
+#include "registers/x86_64_regs.h"
 // Based on Figure 3.4: Register Usage of
 // https://web.archive.org/web/20160801075146/http://www.x86-64.org/documentation/abi.pdf
 const MachRegister arg_register[] = {x86_64::rdi, x86_64::rsi, x86_64::rdx, x86_64::rcx, x86_64::r8, x86_64::r9};
 #elif defined(__aarch64__)
+#include "registers/aarch64_regs.h"
 // aarch64 calling conventions from https://developer.arm.com/documentation/ihi0055/d/
 const MachRegister arg_register[] = {aarch64::x0, aarch64::x1, aarch64::x2, aarch64::x3,
 	aarch64::x4, aarch64::x5, aarch64::x6, aarch64::x7};
 #elif defined(__powerpc__)
+#include "registers/ppc32_regs.h"
+#include "registers/ppc64_regs.h"
 // 64-bit powerpc calling conventions from https://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html#REG
 const MachRegister arg_register[] = {ppc64::r3, ppc64::r4, ppc64::r5, ppc64::r6,
 	ppc64::r7, ppc64::r8, ppc64::r9, ppc64::r10 };