blob: 8a7aea4311a9f7d728f294ac0634baeff3418d1b [file] [log] [blame]
Andrew Geissler82c905d2020-04-13 13:39:40 -05001From 4dc6cc961300b9deffb648b1237390a5bea1c6d6 Mon Sep 17 00:00:00 2001
2From: Sergei Trofimovich <slyfox@gentoo.org>
3Date: Thu, 28 Nov 2019 12:42:41 +0000
4Subject: [PATCH] powerpc: fix build failure on power7 and older (#532)
5
6Build failure looks as:
7```
8libtool: compile: powerpc-unknown-linux-gnu-gcc \
9 -O2 -mcpu=powerpc -mtune=powerpc -pipe ... -c src/powerpc/ffi.c ...
10In file included from src/powerpc/ffi.c:33:
11src/powerpc/ffi_powerpc.h:65:9: error: '__int128' is not supported on this target
12 65 | typedef __int128 float128;
13 | ^~~~~~~~
14```
15
16The fix avoids using __int128 in favour of aligned char[16].
17
18Closes: https://github.com/libffi/libffi/issues/531
19Upstream-Status: Backport [https://github.com/libffi/libffi/commit/01a75ed76ea7e57f1b7a5c183e2b1e890e6aa0fd]
20Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
21Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
22---
23 src/powerpc/ffi_powerpc.h | 2 +-
24 1 file changed, 1 insertion(+), 1 deletion(-)
25
26diff --git a/src/powerpc/ffi_powerpc.h b/src/powerpc/ffi_powerpc.h
27index 5ee2a70..8e2f2f0 100644
28--- a/src/powerpc/ffi_powerpc.h
29+++ b/src/powerpc/ffi_powerpc.h
30@@ -62,7 +62,7 @@ typedef _Float128 float128;
31 #elif defined(__FLOAT128__)
32 typedef __float128 float128;
33 #else
34-typedef __int128 float128;
35+typedef char float128[16] __attribute__((aligned(16)));
36 #endif
37
38 void FFI_HIDDEN ffi_closure_SYSV (void);