a787f6f9ec
2011-07-05 Thomas Koenig <tkoenig@gcc.gnu.org> * runtime/memory.c (internal_malloc_size): If size is zero, allocate a single byte. * m4/pack.m4 (pack_'rtype_code`): Don't check for zero size for the argument of internal_malloc_size. * m4/spread.m4 (spread_'rtype_code`): Likewise. * m4/eoshift1.m4 (eoshift1): Don't allocate twice. Don't check for zero size for the argument of internal_malloc_size. * m4/eoshift3.m4: Don't check for zero size for the argument of internal_malloc_size. * intrinsics/pack_generic.c (pack_internal): Likewise. (pack_s_internal): Likewise. * intrinsics/cshift0.c (cshift0): Likewise. * intrinsics/spread_generic.c (spread_internal): Likewise. * intrinsics/eoshift0.c (eoshift0): Likewise. * intrinsics/eoshift2.c (eoshift2): Likewise. * generated/eoshift1_16.c: Regenerated. * generated/eoshift1_4.c: Regenerated. * generated/eoshift1_8.c: Regenerated. * generated/eoshift3_16.c: Regenerated. * generated/eoshift3_4.c: Regenerated. * generated/eoshift3_8.c: Regenerated. * generated/pack_c10.c: Regenerated. * generated/pack_c16.c: Regenerated. * generated/pack_c4.c: Regenerated. * generated/pack_c8.c: Regenerated. * generated/pack_i16.c: Regenerated. * generated/pack_i1.c: Regenerated. * generated/pack_i2.c: Regenerated. * generated/pack_i4.c: Regenerated. * generated/pack_i8.c: Regenerated. * generated/pack_r10.c: Regenerated. * generated/pack_r16.c: Regenerated. * generated/pack_r4.c: Regenerated. * generated/pack_r8.c: Regenerated. * generated/spread_c10.c: Regenerated. * generated/spread_c16.c: Regenerated. * generated/spread_c4.c: Regenerated. * generated/spread_c8.c: Regenerated. * generated/spread_i16.c: Regenerated. * generated/spread_i1.c: Regenerated. * generated/spread_i2.c: Regenerated. * generated/spread_i4.c: Regenerated. * generated/spread_i8.c: Regenerated. * generated/spread_r10.c: Regenerated. * generated/spread_r16.c: Regenerated. * generated/spread_r4.c: Regenerated. * generated/spread_r8.c: Regenerated. From-SVN: r175880
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Memory management routines.
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Copyright 2002, 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <stdlib.h>
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/* If GFC_CLEAR_MEMORY is defined, the memory allocation routines will
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return memory that is guaranteed to be set to zero. This can have
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a severe efficiency penalty, so it should never be set if good
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performance is desired, but it can help when you're debugging code. */
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/* #define GFC_CLEAR_MEMORY */
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void *
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get_mem (size_t n)
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{
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void *p;
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#ifdef GFC_CLEAR_MEMORY
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p = (void *) calloc (1, n);
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#else
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p = (void *) malloc (n);
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#endif
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if (p == NULL)
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os_error ("Memory allocation failed");
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return p;
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}
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/* Allocate memory for internal (compiler generated) use. */
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void *
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internal_malloc_size (size_t size)
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{
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if (unlikely (size == 0))
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size = 1;
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return get_mem (size);
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}
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