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1The patch below fixes a crash building libgfortran on arm-linux-gnueabi.
2
3This target doesn't really have a 128-bit integer type, however it does use
4TImode to represent the return value of certain special ABI defined library
5functions. This results in type_for_size(TImode) being called.
6
7Because TImode deosn't correspond to any gfortran integer kind
8gfc_type_for_size returns NULL and we segfault shortly after.
9
10The patch below fixes this by making gfc_type_for_size handle TImode in the
11same way as the C frontend.
12
13Tested on x86_64-linux and arm-linux-gnueabi.
14Applied to trunk.
15
16Paul
17
182007-05-15 Paul Brook <paul@codesourcery.com>
19
20 gcc/fortran/
21 * trans-types.c (gfc_type_for_size): Handle signed TImode.
22
23Index: gcc-4.2.1/gcc/fortran/trans-types.c
24===================================================================
25--- gcc-4.2.1/gcc/fortran/trans-types.c (revision 170435)
26+++ gcc-4.2.1/gcc/fortran/trans-types.c (working copy)
27@@ -1800,6 +1800,13 @@ gfc_type_for_size (unsigned bits, int un
28 if (type && bits == TYPE_PRECISION (type))
29 return type;
30 }
31+
32+ /* Handle TImode as a special case because it is used by some backends
33+ (eg. ARM) even though it is not available for normal use. */
34+#if HOST_BITS_PER_WIDE_INT >= 64
35+ if (bits == TYPE_PRECISION (intTI_type_node))
36+ return intTI_type_node;
37+#endif
38 }
39 else
40 {