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patches/gcc/4.3.1/150-sparc64-bsd.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Sep 09 00:02:01 2009 +0200 (2009-09-09)
changeset 1525 4647e6fb994a
parent 746 b150d6f590fc
permissions -rw-r--r--
gcc: add patch to fix EABI for armv4t

As pointed out by Martin GUY, gcc incorrectly generates armv5t
instrcutions for EABI, even for cores that are an armv4t.
The new patch (for the 4.3 series) fixes the problem by downgrading
the default CPU for EABI to being an armv4t core. 
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/14_all_gcc-sparc64-bsd.patch

     2 diff -durN gcc-4.3.1.orig/gcc/config/sparc/freebsd.h gcc-4.3.1/gcc/config/sparc/freebsd.h

     3 --- gcc-4.3.1.orig/gcc/config/sparc/freebsd.h	2007-08-02 12:49:31.000000000 +0200

     4 +++ gcc-4.3.1/gcc/config/sparc/freebsd.h	2008-06-10 14:57:54.000000000 +0200

     5 @@ -25,9 +25,22 @@

     6  /* FreeBSD needs the platform name (sparc64) defined.

     7     Emacs needs to know if the arch is 64 or 32-bits.  */

     8  

     9 -#undef  CPP_CPU64_DEFAULT_SPEC

    10 -#define CPP_CPU64_DEFAULT_SPEC \

    11 -  "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"

    12 +#undef  FBSD_TARGET_CPU_CPP_BUILTINS

    13 +#define FBSD_TARGET_CPU_CPP_BUILTINS()                  \

    14 +  do                                                    \

    15 +    {                                                   \

    16 +      if (TARGET_ARCH64)                                \

    17 +        {                                               \

    18 +          builtin_define ("__sparc64__");               \

    19 +          builtin_define ("__sparc_v9__");              \

    20 +          builtin_define ("__sparcv9");                 \

    21 +        }                                               \

    22 +      else                                              \

    23 +        builtin_define ("__sparc");                     \

    24 +      builtin_define ("__sparc__");                     \

    25 +    }                                                   \

    26 +  while (0)

    27 +

    28  

    29  #define LINK_SPEC "%(link_arch)						\

    30    %{!mno-relax:%{!r:-relax}}						\
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