diff -r d903d4981e33 Modules/_ctypes/libffi/src/powerpc/ffi.c
--- a/Modules/_ctypes/libffi/src/powerpc/ffi.c	Tue Sep 25 21:57:59 2012 +0300
+++ b/Modules/_ctypes/libffi/src/powerpc/ffi.c	Tue Sep 25 16:50:58 2012 -0700
@@ -57,7 +57,7 @@
 
 /* About the SYSV ABI.  */
 unsigned int NUM_GPR_ARG_REGISTERS = 8;
-#ifndef __NO_FPRS__
+#if (!defined(__NO_FPRS__) && !defined(_SOFT_FLOAT))
 unsigned int NUM_FPR_ARG_REGISTERS = 8;
 #else
 unsigned int NUM_FPR_ARG_REGISTERS = 0;
diff -r d903d4981e33 Modules/_ctypes/libffi/src/powerpc/ffitarget.h
--- a/Modules/_ctypes/libffi/src/powerpc/ffitarget.h	Tue Sep 25 21:57:59 2012 +0300
+++ b/Modules/_ctypes/libffi/src/powerpc/ffitarget.h	Tue Sep 25 16:50:58 2012 -0700
@@ -54,7 +54,7 @@
 # ifdef POWERPC64
   FFI_DEFAULT_ABI = FFI_LINUX64,
 # else
-#  if (!defined(__NO_FPRS__) && (__LDBL_MANT_DIG__ == 106))
+#  if (!defined(__NO_FPRS__) && !defined(_SOFT_FLOAT) && (__LDBL_MANT_DIG__ == 106))
   FFI_DEFAULT_ABI = FFI_LINUX,
 #  else
 #   ifdef __NO_FPRS__
diff -r d903d4981e33 Modules/_ctypes/libffi/src/powerpc/ppc_closure.S
--- a/Modules/_ctypes/libffi/src/powerpc/ppc_closure.S	Tue Sep 25 21:57:59 2012 +0300
+++ b/Modules/_ctypes/libffi/src/powerpc/ppc_closure.S	Tue Sep 25 16:50:58 2012 -0700
@@ -54,7 +54,7 @@
 	stw   %r9, 40(%r1)
 	stw   %r10,44(%r1)
 
-#ifndef __NO_FPRS__
+#if (!defined(__NO_FPRS__) && !defined(_SOFT_FLOAT))
 	# next save fpr 1 to fpr 8 (aligned to 8)
 	stfd  %f1, 48(%r1)
 	stfd  %f2, 56(%r1)