gmp: fix build on AArch64

Include an upstream patch to fix the build problem on AArch64.

Fixes:

 http://autobuild.buildroot.org/results/1fb1b3678277e6b0cef220405c54ffb8299c9da1/build-end.log

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/package/gmp/gmp-aarch64-make-add_ssaaaa-and-sub_ddmmss-actually-work.patch b/package/gmp/gmp-aarch64-make-add_ssaaaa-and-sub_ddmmss-actually-work.patch
new file mode 100644 (file)
index 0000000..1b835a5
--- /dev/null
+++ b/package/gmp/gmp-aarch64-make-add_ssaaaa-and-sub_ddmmss-actually-work.patch
@@ -0,0 +1,46 @@
+# HG changeset patch
+# User Torbjorn Granlund <tege@gmplib.org>
+# Date 1357413121 -3600
+# Node ID 187b7b1646ee0ace782768bb36117b62c8408bb6
+# Parent  87a24013e9ee2cabf74e32282c18584a2c669009
+(aarch64): Make add_ssaaaa and sub_ddmmss actually work.
+
+Taken upstream from http://gmplib.org:8000/gmp/rev/187b7b1646ee.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+diff -r 87a24013e9ee -r 187b7b1646ee longlong.h
+--- a/longlong.h       Fri Jan 04 16:32:01 2013 +0100
++++ b/longlong.h       Sat Jan 05 20:12:01 2013 +0100
+@@ -530,23 +530,16 @@
+ #endif /* __arm__ */
+ 
+ #if defined (__aarch64__) && W_TYPE_SIZE == 64
++/* FIXME: Extend the immediate range for the low word by using both
++   ADDS and SUBS, since they set carry in the same way.  */
+ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
+-  __asm__ ("adds\t%1, %4, %5\n\tadc\t%0, %2, %3"                      \
++  __asm__ ("adds\t%1, %x4, %5\n\tadc\t%0, %x2, %x3"                   \
+          : "=r" (sh), "=&r" (sl)                                      \
+-         : "r" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC)
++         : "rZ" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC)
+ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+-  do {                                                                        \
+-    if (__builtin_constant_p (bl))                                    \
+-      {                                                                       \
+-      __asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3"                  \
+-               : "=r" (sh), "=&r" (sl)                                \
+-               : "r" (ah), "r" (bh), "r" (al), "rI" (bl) __CLOBBER_CC); \
+-      }                                                                       \
+-    else /* only bh might be a constant */                            \
+-      __asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3"                  \
+-             : "=r" (sh), "=&r" (sl)                                  \
+-             : "r" (ah), "rZ" (bh), "r" (al), "rI" (bl) __CLOBBER_CC);\
+-    } while (0)
++  __asm__ ("subs\t%1, %x4, %5\n\tsbc\t%0, %x2, %x3"                   \
++         : "=r,r" (sh), "=&r,&r" (sl)                                 \
++         : "rZ,rZ" (ah), "rZ,rZ" (bh), "r,Z" (al), "rI,r" (bl) __CLOBBER_CC)
+ #define umul_ppmm(ph, pl, m0, m1) \
+   do {                                                                        \
+     UDItype __m0 = (m0), __m1 = (m1);                                 \
+