8016491: PPC64 (part 2): Clean up PPC defines.

Summary: Distinguish PPC, PPC64 and PPC32. PPC should guard code needed on any PPC system. PPC32 and PPC64 should guard code needed in a port for the ppc64 or ppc32 instruction set.
Reviewed-by: kvn

make/linux/platform_ppc

@@ -14,4 +14,4 @@ compiler = gcc
 
 gnu_dis_arch = ppc
 
-sysdefs = -DLINUX -D_GNU_SOURCE -DPPC
+sysdefs = -DLINUX -D_GNU_SOURCE -DPPC32

src/os/bsd/vm/os_bsd.cpp

@@ -205,7 +205,7 @@ static char cpu_arch[] = "i386";
 static char cpu_arch[] = "amd64";
 #elif defined(ARM)
 static char cpu_arch[] = "arm";
-#elif defined(PPC)
+#elif defined(PPC32)
 static char cpu_arch[] = "ppc";
 #elif defined(SPARC)
 #  ifdef _LP64

src/os/linux/vm/os_linux.cpp

@@ -247,7 +247,7 @@ static char cpu_arch[] = "i386";
 static char cpu_arch[] = "amd64";
 #elif defined(ARM)
 static char cpu_arch[] = "arm";
-#elif defined(PPC)
+#elif defined(PPC32)
 static char cpu_arch[] = "ppc";
 #elif defined(SPARC)
 #  ifdef _LP64

src/os_cpu/bsd_zero/vm/os_bsd_zero.hpp

@@ -36,7 +36,7 @@
 
   // Atomically copy 64 bits of data
   static void atomic_copy64(volatile void *src, volatile void *dst) {
-#if defined(PPC) && !defined(_LP64)
+#if defined(PPC32)
     double tmp;
     asm volatile ("lfd  %0, 0(%1)\n"
                   "stfd %0, 0(%2)\n"

src/os_cpu/linux_zero/vm/os_linux_zero.hpp

@@ -36,7 +36,7 @@
 
   // Atomically copy 64 bits of data
   static void atomic_copy64(volatile void *src, volatile void *dst) {
-#if defined(PPC) && !defined(_LP64)
+#if defined(PPC32)
     double tmp;
     asm volatile ("lfd  %0, 0(%1)\n"
                   "stfd %0, 0(%2)\n"

src/share/vm/runtime/frame.cpp

@@ -918,7 +918,7 @@ void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f,
     cld_f->do_cld(m->method_holder()->class_loader_data());
   }
 
-#if !defined(PPC) || defined(ZERO)
+#if !defined(PPC32) || defined(ZERO)
   if (m->is_native()) {
 #ifdef CC_INTERP
     interpreterState istate = get_interpreterState();
@@ -927,11 +927,11 @@ void frame::oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f,
     f->do_oop((oop*)( fp() + interpreter_frame_oop_temp_offset ));
 #endif /* CC_INTERP */
   }
-#else // PPC
+#else // PPC32
   if (m->is_native() && m->is_static()) {
     f->do_oop(interpreter_frame_mirror_addr());
   }
-#endif // PPC
+#endif // PPC32
 
   int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals();
 

src/share/vm/runtime/frame.hpp

@@ -346,7 +346,7 @@ class frame VALUE_OBJ_CLASS_SPEC {
   void interpreter_frame_set_method(Method* method);
   Method** interpreter_frame_method_addr() const;
   ConstantPoolCache** interpreter_frame_cache_addr() const;
-#ifdef PPC
+#ifdef PPC32
   oop* interpreter_frame_mirror_addr() const;
 #endif
 

src/share/vm/runtime/sharedRuntime.cpp

@@ -406,7 +406,7 @@ double SharedRuntime::dabs(double f)  {
 
 #endif
 
-#if defined(__SOFTFP__) || defined(PPC)
+#if defined(__SOFTFP__) || defined(PPC32)
 double SharedRuntime::dsqrt(double f) {
   return sqrt(f);
 }

src/share/vm/runtime/sharedRuntime.hpp

@@ -140,7 +140,7 @@ class SharedRuntime: AllStatic {
   static double dabs(double f);
 #endif
 
-#if defined(__SOFTFP__) || defined(PPC)
+#if defined(__SOFTFP__) || defined(PPC32)
   static double dsqrt(double f);
 #endif
 

src/share/vm/runtime/vm_version.cpp

@@ -186,7 +186,7 @@ const char* Abstract_VM_Version::jre_release_version() {
                  IA64_ONLY("ia64")               \
                  AMD64_ONLY("amd64")             \
                  ARM_ONLY("arm")                 \
-                 PPC_ONLY("ppc")                 \
+                 PPC32_ONLY("ppc")               \
                  SPARC_ONLY("sparc")
 #endif // ZERO
 
@@ -248,7 +248,7 @@ const char* Abstract_VM_Version::internal_vm_info_string() {
       #define FLOAT_ARCH_STR "-e500v2"
     #elif defined(ARM)
       #define FLOAT_ARCH_STR "-vfp"
-    #elif defined(PPC)
+    #elif defined(PPC32)
       #define FLOAT_ARCH_STR "-hflt"
     #else
       #define FLOAT_ARCH_STR ""

src/share/vm/utilities/macros.hpp

@@ -340,14 +340,34 @@
 #define NOT_SPARC(code) code
 #endif
 
-#ifdef PPC
+#if defined(PPC32) || defined(PPC64)
+#ifndef PPC
+#define PPC
+#endif
 #define PPC_ONLY(code) code
 #define NOT_PPC(code)
 #else
+#undef PPC
 #define PPC_ONLY(code)
 #define NOT_PPC(code) code
 #endif
 
+#ifdef PPC32
+#define PPC32_ONLY(code) code
+#define NOT_PPC32(code)
+#else
+#define PPC32_ONLY(code)
+#define NOT_PPC32(code) code
+#endif
+
+#ifdef PPC64
+#define PPC64_ONLY(code) code
+#define NOT_PPC64(code)
+#else
+#define PPC64_ONLY(code)
+#define NOT_PPC64(code) code
+#endif
+
 #ifdef E500V2
 #define E500V2_ONLY(code) code
 #define NOT_E500V2(code)