author | "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
Sat Jan 03 20:53:19 2009 +0000 (2009-01-03) | |
changeset 1111 | 6a077c345cfe |
parent 687 | b2b6b1d46aa1 |
permissions | -rw-r--r-- |
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Fix building gfortran for ARM. |
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http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01010.html |
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---- |
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|
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The patch below fixes a crash building libgfortran on arm-linux-gnueabi. |
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|
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This target doesn't really have a 128-bit integer type, however it does use |
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TImode to represent the return value of certain special ABI defined library |
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functions. This results in type_for_size(TImode) being called. |
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|
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Because TImode deosn't correspond to any gfortran integer kind |
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gfc_type_for_size returns NULL and we segfault shortly after. |
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|
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The patch below fixes this by making gfc_type_for_size handle TImode in the |
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same way as the C frontend. |
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|
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Tested on x86_64-linux and arm-linux-gnueabi. |
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Applied to trunk. |
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|
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Paul |
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|
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2007-05-15 Paul Brook <paul@codesourcery.com> |
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|
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gcc/fortran/ |
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* trans-types.c (gfc_type_for_size): Handle signed TImode. |
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|
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diff -durN gcc-4.2.3.old/gcc/fortran/trans-types.c gcc-4.2.3/gcc/fortran/trans-types.c |
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--- gcc-4.2.3.old/gcc/fortran/trans-types.c 2007-08-31 10:27:50.000000000 +0200 |
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+++ gcc-4.2.3/gcc/fortran/trans-types.c 2008-07-17 09:54:20.000000000 +0200 |
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@@ -1799,6 +1799,13 @@ |
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if (type && bits == TYPE_PRECISION (type)) |
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return type; |
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} |
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+ |
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+ /* Handle TImode as a special case because it is used by some backends |
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+ (eg. ARM) even though it is not available for normal use. */ |
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+#if HOST_BITS_PER_WIDE_INT >= 64 |
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+ if (bits == TYPE_PRECISION (intTI_type_node)) |
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+ return intTI_type_node; |
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+#endif |
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} |
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else |
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{ |