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powerpc: fix build failure on power7 and older (#532)

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Build failure looks as:
```
libtool: compile:  powerpc-unknown-linux-gnu-gcc \
    -O2 -mcpu=powerpc -mtune=powerpc -pipe ... -c src/powerpc/ffi.c ...
In file included from src/powerpc/ffi.c:33:
src/powerpc/ffi_powerpc.h:65:9: error: '__int128' is not supported on this target
   65 | typedef __int128 float128;
      |         ^~~~~~~~
```

The fix avoids using __int128 in favour of aligned char[16].

Closes: https://github.com/libffi/libffi/issues/531
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
This commit is contained in:
Sergei Trofimovich
2019-11-28 07:42:41 -05:00
committed by Anthony Green
parent 1ec01ea81c
commit 01a75ed76e
1 changed files with 1 additions and 1 deletions
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src/powerpc/ffi_powerpc.h
+1 -1
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@@ -62,7 +62,7 @@ typedef _Float128 float128;
#elif defined(__FLOAT128__)
typedef __float128 float128;
#else
typedef __int128 float128;
typedef char float128[16] __attribute__((aligned(16)));
#endif
void FFI_HIDDEN ffi_closure_SYSV (void);