Index: src/runtime/lookup-asm/lookup-asm-amd64-macho.S
==================================================================
--- src/runtime/lookup-asm/lookup-asm-amd64-macho.S
+++ src/runtime/lookup-asm/lookup-asm-amd64-macho.S
@@ -46,11 +46,11 @@
 	jz	$1
 
 	ret
 .endmacro
 
-.macro generate_lookup_super:
+.macro generate_lookup_super
 $0:
 	movq	(%rdi), %rax
 	testq	%rax, %rax
 	jz	ret_nil
 

ADDED   src/runtime/lookup-asm/lookup-asm-ppc-macho.S
Index: src/runtime/lookup-asm/lookup-asm-ppc-macho.S
==================================================================
--- src/runtime/lookup-asm/lookup-asm-ppc-macho.S
+++ src/runtime/lookup-asm/lookup-asm-ppc-macho.S
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
+ *   Jonathan Schleifer <js@webkeks.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of ObjFW. It may be distributed under the terms of the
+ * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
+ * the packaging of this file.
+ *
+ * Alternatively, it may be distributed under the terms of the GNU General
+ * Public License, either version 2 or 3, which can be found in the file
+ * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
+ * file.
+ */
+
+#include "config.h"
+
+.globl _objc_msg_lookup
+.globl _objc_msg_lookup_stret
+.globl _objc_msg_lookup_super
+.globl _objc_msg_lookup_super_stret
+
+.section __TEXT, __text, regular, pure_instructions
+.macro generate_lookup
+$0:
+	cmpwi	r3, 0
+	beq-	ret_nil
+
+	lwz	r5, 0(r3)
+	lwz	r5, 32(r5)
+
+Lmain_$0:
+#ifdef OF_SELUID24
+	lbz	r6, 1(r4)
+#endif
+	lbz	r7, 2(r4)
+	lbz	r8, 3(r4)
+
+#ifdef OF_SELUID24
+	slwi	r6, r6, 2
+#endif
+	slwi	r7, r7, 2
+	slwi	r8, r8, 2
+
+#ifdef OF_SELUID24
+	lwzx	r5, r5, r6
+#endif
+	lwzx	r5, r5, r7
+	lwzx	r5, r5, r8
+
+	cmpwi	r5, 0
+	beq-	0f
+
+	mr	r3, r5
+	blr
+
+0:
+	b	$1
+.endmacro
+
+.macro generate_lookup_super
+$0:
+	lwz	r5, 0(r3)
+	cmpwi	r5, 0
+	beq-	ret_nil
+
+	lwz	r5, 4(r3)
+	lwz	r5, 32(r5)
+
+	b	Lmain_$1
+.endmacro
+
+generate_lookup _objc_msg_lookup, _objc_method_not_found
+generate_lookup _objc_msg_lookup_stret, _objc_method_not_found_stret
+generate_lookup_super _objc_msg_lookup_super, _objc_msg_lookup
+generate_lookup_super _objc_msg_lookup_super_stret, _objc_msg_lookup_stret
+
+ret_nil:
+	mflr	r0
+	bl	get_pc
+	mtlr	r0
+0:
+	addi	r3, r3, lo16(nil_method-0b)
+	blr
+
+nil_method:
+	li	r3, 0
+	blr
+
+get_pc:
+	mflr	r3
+	blr

Index: src/runtime/lookup-asm/lookup-asm.S
==================================================================
--- src/runtime/lookup-asm/lookup-asm.S
+++ src/runtime/lookup-asm/lookup-asm.S
@@ -28,11 +28,15 @@
 # elif (defined(_MIPS_SIM) && _MIPS_SIM == _ABIO32) || \
 	(defined(__mips_eabi) && _MIPS_SZPTR == 32)
 #  include "lookup-asm-mips-elf.S"
 # endif
 #elif defined(__MACH__)
-# if defined(__amd64__) || defined(__x86_64__)
+# if defined(__x86_64__)
 #  include "lookup-asm-amd64-macho.S"
+# elif defined(__ppc__)
+#  include "lookup-asm-ppc-macho.S"
 # endif
-#elif defined(_WIN32) && defined(__i386__)
-# include "lookup-asm-x86-win32.S"
+#elif defined(_WIN32)
+# if defined(__i386__)
+#  include "lookup-asm-x86-win32.S"
+# endif
 #endif

Index: src/runtime/runtime-private.h
==================================================================
--- src/runtime/runtime-private.h
+++ src/runtime/runtime-private.h
@@ -184,19 +184,21 @@
 # if (defined(_MIPS_SIM) && _MIPS_SIM == _ABIO32) || \
 	(defined(__mips_eabi) && _MIPS_SZPTR == 32)
 #  define OF_ASM_LOOKUP
 # endif
 #elif defined(__MACH__)
-# if defined(__amd64__) || defined(__x86_64__)
+# if defined(__x86_64__) || defined(__ppc__)
 #  define OF_ASM_LOOKUP
 # endif
-#elif defined(_WIN32) && defined(__i386__)
-# define OF_ASM_LOOKUP
+#elif defined(_WIN32)
+# if defined(__i386__)
+#  define OF_ASM_LOOKUP
+# endif
 #endif
 
 #define OBJC_ERROR(...)							\
 	{								\
 		fprintf(stderr, "[objc @ " __FILE__ ":%d] ", __LINE__);	\
 		fprintf(stderr, __VA_ARGS__);				\
 		fputs("\n", stderr);					\
 		abort();						\
 	}