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34 lines
1.1 KiB
34 lines
1.1 KiB
From 01a75ed76ea7e57f1b7a5c183e2b1e890e6aa0fd Mon Sep 17 00:00:00 2001
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From: Sergei Trofimovich <slyfox@gentoo.org>
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Date: Thu, 28 Nov 2019 12:42:41 +0000
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Subject: [PATCH] powerpc: fix build failure on power7 and older (#532)
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Build failure looks as:
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```
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libtool: compile: powerpc-unknown-linux-gnu-gcc \
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-O2 -mcpu=powerpc -mtune=powerpc -pipe ... -c src/powerpc/ffi.c ...
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In file included from src/powerpc/ffi.c:33:
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src/powerpc/ffi_powerpc.h:65:9: error: '__int128' is not supported on this target
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65 | typedef __int128 float128;
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| ^~~~~~~~
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```
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The fix avoids using __int128 in favour of aligned char[16].
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Closes: https://github.com/libffi/libffi/issues/531
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Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
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---
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src/powerpc/ffi_powerpc.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/src/powerpc/ffi_powerpc.h
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+++ b/src/powerpc/ffi_powerpc.h
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@@ -62,7 +62,7 @@ typedef _Float128 float128;
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#elif defined(__FLOAT128__)
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typedef __float128 float128;
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#else
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-typedef __int128 float128;
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+typedef char float128[16] __attribute__((aligned(16)));
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#endif
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void FFI_HIDDEN ffi_closure_SYSV (void);
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