Alan Modra 362851379a Andreas' 2013-02-08 change reverted some breakage for struct return ...

values from 2011-11-12, but in so doing reintroduced string
instructions to sysv.S that are not supported on all powerpc variants.
This patch properly copies the bounce buffer to destination in C code
rather than in asm.

I have tested this on powerpc64-linux, powerpc-linux and
powerpc-freebsd.  Well, the last on powerpc-linux by lying to
configure with

CC="gcc -m32 -msvr4-struct-return -mlong-double-64" \
CXX="g++ -m32 -msvr4-struct-return -mlong-double-64" \
/src/libffi-current/configure --build=powerpc-freebsd

and then

make && make CC="gcc -m32" CXX="g++ -m32" \
RUNTESTFLAGS=--target_board=unix/-m32/-msvr4-struct-return/-mlong-double-64\
 check

2013-11-16 06:52:43 -05:00

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