patches/gcc/4.3.0/270-pr35982.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Oct 14 17:42:10 2008 +0000 (2008-10-14)
changeset 929 7c958fb04f28
parent 746 b150d6f590fc
permissions -rw-r--r--
Sample config for e500v2 toolchain

On Tuesday 14 October 2008 17:05:31 Nate Case wrote:
> This is a sample config file for Freescale e500v2 processors (e.g.,
> MPC8548, MPC8572). It uses eglibc (for e500/SPE patches) and a recent
> gcc (4.3.1, for e500v2 DPFP support) and will generate appropriate
> dual-precision floating point instructions by default.
>
> Note: If building a Linux kernel with this toolchain, you will want to
> make sure -mno-spe AND -mspe=no are passed to gcc to prevent SPE
> ABI/instructions from getting into the kernel (which is currently
> unsupported). At this time, the kernel build system only passes
> -mno-spe by default (this should be fixed soon hopefully).
>
> A binutils snapshot is used to fix a bug present in 2.18 preventing
> U-Boot from being compiled (CodeSourcery issue #2297: internal.h
> (ELF_IS_SECTION_IN_SEGMENT): Adjust to cope with segments at the end of
> memory).

Obsoletes the powerpc-unknown-linux-gnuspe sample, so remove it.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 307 307 0 0 +++++++++++++++++++
1 file changed, 307 insertions(+)
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/65_all_gcc43-pr35982.patch
     2 http://gcc.gnu.org/PR35982
     3 
     4 2008-04-23  Ira Rosen  <irar@il.ibm.com>
     5 
     6 	PR tree-optimization/35982
     7 	* tree-vect-analyze.c (vect_check_interleaving): Check that the
     8 	interleaved data-refs are of the same type.
     9 
    10 diff -durN gcc-4.3.0.orig/gcc/tree-vect-analyze.c gcc-4.3.0/gcc/tree-vect-analyze.c
    11 --- gcc-4.3.0.orig/gcc/tree-vect-analyze.c	2007-12-06 17:18:55.000000000 +0100
    12 +++ gcc-4.3.0/gcc/tree-vect-analyze.c	2008-06-10 14:45:17.000000000 +0200
    13 @@ -1081,7 +1081,9 @@
    14    type_size_b = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (DR_REF (drb))));
    15  
    16    if (type_size_a != type_size_b
    17 -      || tree_int_cst_compare (DR_STEP (dra), DR_STEP (drb)))
    18 +      || tree_int_cst_compare (DR_STEP (dra), DR_STEP (drb))
    19 +      || !types_compatible_p (TREE_TYPE (DR_REF (dra)), 
    20 +                              TREE_TYPE (DR_REF (drb))))
    21      return;
    22  
    23    init_a = TREE_INT_CST_LOW (DR_INIT (dra));