# HG changeset patch # User "Yann E. MORIN" # Date 1216323381 0 # Node ID 3505660ff41960909939fee469805c3a640eaee6 # Parent 78c450c0b219a847249c10c5acedd3aa59f02222 Make gfortran compile for ARM. Details in patch itself. /trunk/patches/gcc/4.2.3/950-fortran-signed-TImode.patch | 43 43 0 0 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff -r 78c450c0b219 -r 3505660ff419 patches/gcc/4.2.3/950-fortran-signed-TImode.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/gcc/4.2.3/950-fortran-signed-TImode.patch Thu Jul 17 19:36:21 2008 +0000 @@ -0,0 +1,43 @@ +Fix building gfortran for ARM. +http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01010.html +---- + +The patch below fixes a crash building libgfortran on arm-linux-gnueabi. + +This target doesn't really have a 128-bit integer type, however it does use +TImode to represent the return value of certain special ABI defined library +functions. This results in type_for_size(TImode) being called. + +Because TImode deosn't correspond to any gfortran integer kind +gfc_type_for_size returns NULL and we segfault shortly after. + +The patch below fixes this by making gfc_type_for_size handle TImode in the +same way as the C frontend. + +Tested on x86_64-linux and arm-linux-gnueabi. +Applied to trunk. + +Paul + +2007-05-15 Paul Brook + + gcc/fortran/ + * trans-types.c (gfc_type_for_size): Handle signed TImode. + +diff -durN gcc-4.2.3.old/gcc/fortran/trans-types.c gcc-4.2.3/gcc/fortran/trans-types.c +--- gcc-4.2.3.old/gcc/fortran/trans-types.c 2007-08-31 10:27:50.000000000 +0200 ++++ gcc-4.2.3/gcc/fortran/trans-types.c 2008-07-17 09:54:20.000000000 +0200 +@@ -1799,6 +1799,13 @@ + if (type && bits == TYPE_PRECISION (type)) + return type; + } ++ ++ /* Handle TImode as a special case because it is used by some backends ++ (eg. ARM) even though it is not available for normal use. */ ++#if HOST_BITS_PER_WIDE_INT >= 64 ++ if (bits == TYPE_PRECISION (intTI_type_node)) ++ return intTI_type_node; ++#endif + } + else + {