Support build with clang integrated assembler

Bundled libffi library used "stmeqia" instruction that can not be
parsed by clang integrated assembler. Replace it with "stmiaeq"
with flag test at the end of a command.

diff --git a/Modules/_ctypes/libffi/src/arm/sysv.S b/Modules/_ctypes/libffi/src/arm/sysv.S
index fb38cd6406ad0713614f4eaed5bb84fb0cf3e37d..301fb5d4d8314dff35c248f85e66dd9f94d640a7 100644 (file)
--- a/Modules/_ctypes/libffi/src/arm/sysv.S
+++ b/Modules/_ctypes/libffi/src/arm/sysv.S
@@ -228,7 +228,7 @@ ARM_FUNC_START ffi_call_SYSV
 #if defined(__SOFTFP__) || defined(__ARM_EABI__)
        cmpne   r3, #FFI_TYPE_DOUBLE
 #endif
-       stmeqia r2, {r0, r1}
+       stmiaeq r2, {r0, r1}
 
 #if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
        beq     LSYM(Lepilogue)
@@ -410,7 +410,7 @@ LSYM(Lbase_args):
        beq     LSYM(Lepilogue_vfp)
 
        cmp     r3, #FFI_TYPE_SINT64
-       stmeqia r2, {r0, r1}
+       stmiaeq r2, {r0, r1}
        beq     LSYM(Lepilogue_vfp)
 
        cmp     r3, #FFI_TYPE_FLOAT