PPC: Remove register index/code indirection

test/cctest/test-disasm-ppc.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 81 matching lines @@
 #define VERIFY_RUN()                                                  \
   if (failure) {                                                      \
     V8_Fatal(__FILE__, __LINE__, "PPC Disassembler tests failed.\n"); \
   }
 
 TEST(DisasmPPC) {
   SET_UP();
 
   COMPARE(addc(r9, r7, r9), "7d274814       addc    r9, r7, r9");
   COMPARE(addic(r3, r5, Operand(20)), "30650014       addic   r3, r5, 20");
-  COMPARE(addi(r0, ip, Operand(63)), "380c003f       addi    r0, r12, 63");
+  COMPARE(addi(r0, ip, Operand(63)), "380c003f       addi    r0, ip, 63");
   COMPARE(add(r5, r7, r0), "7ca70214       add     r5, r7, r0");
   COMPARE(addze(r0, r0, LeaveOE, SetRC), "7c000195       addze.   r0, r0");
   COMPARE(andi(r0, r3, Operand(4)), "70600004       andi.   r0, r3, 4");
   COMPARE(and_(r3, r6, r5), "7cc32838       and     r3, r6, r5");
   COMPARE(and_(r6, r0, r6, SetRC), "7c063039       and.    r6, r0, r6");
   // skipping branches (for now?)
   COMPARE(bctr(), "4e800420       bctr");
   COMPARE(bctrl(), "4e800421       bctrl");
   COMPARE(blr(), "4e800020       blr");
 // skipping call - only used in simulator
@@ skipping 10 matching lines @@
 #if V8_TARGET_ARCH_PPC64
   COMPARE(cmp(r5, r11), "7fa55800       cmp     r5, r11");
 #else
   COMPARE(cmp(r5, r11), "7f855800       cmp     r5, r11");
 #endif
   // skipping crxor - incomplete disassembly
   COMPARE(lbz(r4, MemOperand(r4, 7)), "88840007       lbz     r4, 7(r4)");
   COMPARE(lfd(d0, MemOperand(sp, 128)), "c8010080       lfd     d0, 128(sp)");
   COMPARE(li(r0, Operand(16)), "38000010       li      r0, 16");
   COMPARE(lis(r8, Operand(22560)), "3d005820       lis     r8, 22560");
-  COMPARE(lwz(ip, MemOperand(r19, 44)), "8193002c       lwz     r12, 44(r19)");
-  COMPARE(lwzx(r0, MemOperand(r5, ip)), "7c05602e       lwzx    r0, r5, r12");
+  COMPARE(lwz(ip, MemOperand(r19, 44)), "8193002c       lwz     ip, 44(r19)");
+  COMPARE(lwzx(r0, MemOperand(r5, ip)), "7c05602e       lwzx    r0, r5, ip");
   COMPARE(mflr(r0), "7c0802a6       mflr    r0");
   COMPARE(mr(r15, r4), "7c8f2378       mr      r15, r4");
   COMPARE(mtctr(r0), "7c0903a6       mtctr   r0");
   COMPARE(mtlr(r15), "7de803a6       mtlr    r15");
   COMPARE(ori(r8, r8, Operand(42849)), "6108a761       ori     r8, r8, 42849");
   COMPARE(orx(r5, r3, r4), "7c652378       or      r5, r3, r4");
   COMPARE(rlwinm(r4, r3, 2, 0, 29), "5464103a       rlwinm  r4, r3, 2, 0, 29");
   COMPARE(rlwinm(r0, r3, 0, 31, 31, SetRC),
           "546007ff       rlwinm. r0, r3, 0, 31, 31");
   COMPARE(srawi(r3, r6, 1), "7cc30e70       srawi   r3,r6,1");
   COMPARE(stb(r5, MemOperand(r11, 11)), "98ab000b       stb     r5, 11(r11)");
   COMPARE(stfd(d2, MemOperand(sp, 8)), "d8410008       stfd    d2, 8(sp)");
   COMPARE(stw(r16, MemOperand(sp, 64)), "92010040       stw     r16, 64(sp)");
   COMPARE(stwu(r3, MemOperand(sp, -4)), "9461fffc       stwu    r3, -4(sp)");
   COMPARE(sub(r3, r3, r4), "7c641850       subf    r3, r4, r3");
   COMPARE(sub(r0, r9, r8, LeaveOE, SetRC), "7c084851       subf.   r0, r8, r9");
   COMPARE(xor_(r6, r5, r4), "7ca62278       xor     r6, r5, r4");
 
   VERIFY_RUN();
 }