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author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/c-convert.c | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/c-convert.c')
-rw-r--r-- | contrib/gcc/c-convert.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/contrib/gcc/c-convert.c b/contrib/gcc/c-convert.c index 9cb9416..947c79b 100644 --- a/contrib/gcc/c-convert.c +++ b/contrib/gcc/c-convert.c @@ -1,22 +1,22 @@ /* Language-level data type conversion for GNU C. Copyright (C) 1987, 1988, 1991, 1998 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ /* This file contains the functions for converting C expressions @@ -25,6 +25,7 @@ Boston, MA 02111-1307, USA. */ but what kind of conversions it does will depend on the language. */ #include "config.h" +#include "system.h" #include "tree.h" #include "flags.h" #include "convert.h" @@ -60,12 +61,14 @@ tree convert (type, expr) tree type, expr; { - register tree e = expr; - register enum tree_code code = TREE_CODE (type); + tree e = expr; + enum tree_code code = TREE_CODE (type); if (type == TREE_TYPE (expr) - || TREE_CODE (expr) == ERROR_MARK) + || TREE_CODE (expr) == ERROR_MARK + || code == ERROR_MARK || TREE_CODE (TREE_TYPE (expr)) == ERROR_MARK) return expr; + if (TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (TREE_TYPE (expr))) return fold (build1 (NOP_EXPR, type, expr)); if (TREE_CODE (TREE_TYPE (expr)) == ERROR_MARK) @@ -85,12 +88,24 @@ convert (type, expr) #endif if (code == INTEGER_TYPE || code == ENUMERAL_TYPE) return fold (convert_to_integer (type, e)); - if (code == POINTER_TYPE) + if (code == BOOLEAN_TYPE) + { + tree t = truthvalue_conversion (expr); + /* If truthvalue_conversion returns a NOP_EXPR, we must fold it here + to avoid infinite recursion between fold () and convert (). */ + if (TREE_CODE (t) == NOP_EXPR) + return fold (build1 (NOP_EXPR, type, TREE_OPERAND (t, 0))); + else + return fold (build1 (NOP_EXPR, type, t)); + } + if (code == POINTER_TYPE || code == REFERENCE_TYPE) return fold (convert_to_pointer (type, e)); if (code == REAL_TYPE) return fold (convert_to_real (type, e)); if (code == COMPLEX_TYPE) return fold (convert_to_complex (type, e)); + if (code == VECTOR_TYPE) + return fold (convert_to_vector (type, e)); error ("conversion to non-scalar type requested"); return error_mark_node; |