test alignas()

SheepShaver/src/MacOSX/SheepShaver_Xcode8.xcodeproj/project.pbxproj

@@ -1176,6 +1176,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULE_DEBUGGING = YES;
 				COPY_PHASE_STRIP = NO;
@@ -1215,6 +1216,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULE_DEBUGGING = YES;
 				COPY_PHASE_STRIP = NO;
@@ -1278,6 +1280,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CODE_SIGN_ENTITLEMENTS = SheepShaver.entitlements;
 				COPY_PHASE_STRIP = NO;
@@ -1342,6 +1345,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CODE_SIGN_ENTITLEMENTS = SheepShaver.entitlements;
 				COPY_PHASE_STRIP = NO;

SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.cpp

@@ -372,7 +372,6 @@ powerpc_cpu::powerpc_cpu(task_struct *parent_task)
 #if PPC_ENABLE_JIT
 	use_jit = false;
 #endif
-	spcflags().init();
 	++ppc_refcount;
 	initialize();
 }

SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.hpp

@@ -46,16 +46,10 @@ class powerpc_cpu
 	//
 	// We can't assume (offsetof(powerpc_cpu, regs) % 16) == 0 since
 	// extra data could be inserted prior regs, e.g. pointer to vtable
-	struct {
-		powerpc_registers regs;
-		uint8 pad[16];
-	} _regs;
+	powerpc_registers _regs;
 
-	// Make sure the calculation of the current offset makes use of
-	// 'this' as this could make it simplified at compile-time
-	powerpc_registers *regs_ptr() const			{ return (powerpc_registers *)((char *)&_regs.regs + (16 - (((char *)&_regs.regs - (char *)this) % 16))); }
-	powerpc_registers const & regs() const		{ return *regs_ptr(); }
-	powerpc_registers & regs()					{ return *regs_ptr(); }
+	powerpc_registers const & regs() const		{ return _regs; }
+	powerpc_registers & regs()					{ return _regs; }
 
 #if PPC_PROFILE_REGS_USE
 	// Registers use statistics

SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-registers.hpp

@@ -200,7 +200,7 @@ union powerpc_vr
  *		User Environment Architecture (UEA) Register Set
  **/
 
-struct powerpc_registers
+struct alignas(16) powerpc_registers
 {
 	enum {
 		GPR_BASE	= 0,

SheepShaver/src/kpx_cpu/src/cpu/spcflags.hpp

@@ -41,10 +41,8 @@ class basic_spcflags
 public:
 
 	basic_spcflags()
-		{ init(); }
-
-	void init()
-		{ mask = 0; lock = SPIN_LOCK_UNLOCKED; }
+		: mask(0), lock(SPIN_LOCK_UNLOCKED)
+		{ }
 
 	bool empty() const
 		{ return (mask == 0); }