/* Subroutines for the gcc driver.
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/* Subroutines for the gcc driver.
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Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
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Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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|
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GCC is distributed in the hope that it will be useful,
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GCC 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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include <stdlib.h>
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#include <stdlib.h>
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#ifdef _AIX
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#ifdef _AIX
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# include <sys/systemcfg.h>
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# include <sys/systemcfg.h>
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#endif
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#endif
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#ifdef __linux__
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#ifdef __linux__
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# include <link.h>
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# include <link.h>
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#endif
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#endif
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#if defined (__APPLE__) || (__FreeBSD__)
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#if defined (__APPLE__) || (__FreeBSD__)
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# include <sys/types.h>
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# include <sys/types.h>
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# include <sys/sysctl.h>
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# include <sys/sysctl.h>
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#endif
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#endif
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const char *host_detect_local_cpu (int argc, const char **argv);
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const char *host_detect_local_cpu (int argc, const char **argv);
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#if GCC_VERSION >= 0
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#if GCC_VERSION >= 0
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/* Returns parameters that describe L1_ASSOC associative cache of size
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/* Returns parameters that describe L1_ASSOC associative cache of size
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L1_SIZEKB with lines of size L1_LINE, and L2_SIZEKB. */
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L1_SIZEKB with lines of size L1_LINE, and L2_SIZEKB. */
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static char *
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static char *
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describe_cache (unsigned l1_sizekb, unsigned l1_line,
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describe_cache (unsigned l1_sizekb, unsigned l1_line,
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unsigned l1_assoc ATTRIBUTE_UNUSED, unsigned l2_sizekb)
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unsigned l1_assoc ATTRIBUTE_UNUSED, unsigned l2_sizekb)
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{
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{
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char l1size[1000], line[1000], l2size[1000];
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char l1size[1000], line[1000], l2size[1000];
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|
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/* At the moment, gcc middle-end does not use the information about the
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/* At the moment, gcc middle-end does not use the information about the
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associativity of the cache. */
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associativity of the cache. */
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sprintf (l1size, "--param l1-cache-size=%u", l1_sizekb);
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sprintf (l1size, "--param l1-cache-size=%u", l1_sizekb);
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sprintf (line, "--param l1-cache-line-size=%u", l1_line);
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sprintf (line, "--param l1-cache-line-size=%u", l1_line);
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sprintf (l2size, "--param l2-cache-size=%u", l2_sizekb);
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sprintf (l2size, "--param l2-cache-size=%u", l2_sizekb);
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return concat (l1size, " ", line, " ", l2size, " ", NULL);
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return concat (l1size, " ", line, " ", l2size, " ", NULL);
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}
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}
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#ifdef __APPLE__
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#ifdef __APPLE__
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/* Returns the description of caches on Darwin. */
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/* Returns the description of caches on Darwin. */
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static char *
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static char *
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detect_caches_darwin (void)
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detect_caches_darwin (void)
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{
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{
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unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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size_t len = 4;
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size_t len = 4;
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static int l1_size_name[2] = { CTL_HW, HW_L1DCACHESIZE };
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static int l1_size_name[2] = { CTL_HW, HW_L1DCACHESIZE };
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static int l1_line_name[2] = { CTL_HW, HW_CACHELINE };
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static int l1_line_name[2] = { CTL_HW, HW_CACHELINE };
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static int l2_size_name[2] = { CTL_HW, HW_L2CACHESIZE };
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static int l2_size_name[2] = { CTL_HW, HW_L2CACHESIZE };
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sysctl (l1_size_name, 2, &l1_sizekb, &len, NULL, 0);
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sysctl (l1_size_name, 2, &l1_sizekb, &len, NULL, 0);
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sysctl (l1_line_name, 2, &l1_line, &len, NULL, 0);
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sysctl (l1_line_name, 2, &l1_line, &len, NULL, 0);
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sysctl (l2_size_name, 2, &l2_sizekb, &len, NULL, 0);
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sysctl (l2_size_name, 2, &l2_sizekb, &len, NULL, 0);
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l1_assoc = 0;
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l1_assoc = 0;
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return describe_cache (l1_sizekb / 1024, l1_line, l1_assoc,
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return describe_cache (l1_sizekb / 1024, l1_line, l1_assoc,
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l2_sizekb / 1024);
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l2_sizekb / 1024);
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}
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}
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static const char *
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static const char *
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detect_processor_darwin (void)
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detect_processor_darwin (void)
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{
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{
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unsigned int proc;
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unsigned int proc;
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size_t len = 4;
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size_t len = 4;
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sysctlbyname ("hw.cpusubtype", &proc, &len, NULL, 0);
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sysctlbyname ("hw.cpusubtype", &proc, &len, NULL, 0);
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if (len > 0)
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if (len > 0)
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switch (proc)
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switch (proc)
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{
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{
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case 1:
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case 1:
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return "601";
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return "601";
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case 2:
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case 2:
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return "602";
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return "602";
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case 3:
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case 3:
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return "603";
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return "603";
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case 4:
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case 4:
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case 5:
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case 5:
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return "603e";
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return "603e";
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case 6:
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case 6:
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return "604";
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return "604";
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case 7:
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case 7:
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return "604e";
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return "604e";
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case 8:
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case 8:
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return "620";
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return "620";
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case 9:
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case 9:
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return "750";
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return "750";
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case 10:
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case 10:
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return "7400";
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return "7400";
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case 11:
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case 11:
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return "7450";
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return "7450";
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case 100:
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case 100:
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return "970";
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return "970";
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default:
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default:
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return "powerpc";
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return "powerpc";
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}
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}
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return "powerpc";
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return "powerpc";
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}
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}
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#endif /* __APPLE__ */
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#endif /* __APPLE__ */
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#ifdef __FreeBSD__
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#ifdef __FreeBSD__
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/* Returns the description of caches on FreeBSD PPC. */
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/* Returns the description of caches on FreeBSD PPC. */
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static char *
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static char *
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detect_caches_freebsd (void)
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detect_caches_freebsd (void)
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{
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{
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unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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size_t len = 4;
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size_t len = 4;
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/* Currently, as of FreeBSD-7.0, there is only the cacheline_size
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/* Currently, as of FreeBSD-7.0, there is only the cacheline_size
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available via sysctl. */
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available via sysctl. */
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sysctlbyname ("machdep.cacheline_size", &l1_line, &len, NULL, 0);
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sysctlbyname ("machdep.cacheline_size", &l1_line, &len, NULL, 0);
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l1_sizekb = 32;
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l1_sizekb = 32;
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l1_assoc = 0;
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l1_assoc = 0;
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l2_sizekb = 512;
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l2_sizekb = 512;
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return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
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return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
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}
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}
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/* Currently returns default powerpc. */
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/* Currently returns default powerpc. */
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static const char *
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static const char *
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detect_processor_freebsd (void)
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detect_processor_freebsd (void)
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{
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{
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return "powerpc";
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return "powerpc";
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}
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}
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#endif /* __FreeBSD__ */
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#endif /* __FreeBSD__ */
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#ifdef __linux__
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#ifdef __linux__
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/* Returns AT_PLATFORM if present, otherwise generic PowerPC. */
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/* Returns AT_PLATFORM if present, otherwise generic PowerPC. */
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static const char *
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static const char *
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elf_platform (void)
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elf_platform (void)
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{
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{
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int fd;
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int fd;
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fd = open ("/proc/self/auxv", O_RDONLY);
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fd = open ("/proc/self/auxv", O_RDONLY);
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if (fd != -1)
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if (fd != -1)
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{
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{
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char buf[1024];
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char buf[1024];
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ElfW(auxv_t) *av;
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ElfW(auxv_t) *av;
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ssize_t n;
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ssize_t n;
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n = read (fd, buf, sizeof (buf));
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n = read (fd, buf, sizeof (buf));
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close (fd);
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close (fd);
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if (n > 0)
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if (n > 0)
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{
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{
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for (av = (ElfW(auxv_t) *) buf; av->a_type != AT_NULL; ++av)
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for (av = (ElfW(auxv_t) *) buf; av->a_type != AT_NULL; ++av)
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switch (av->a_type)
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switch (av->a_type)
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{
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{
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case AT_PLATFORM:
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case AT_PLATFORM:
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return (const char *) av->a_un.a_val;
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return (const char *) av->a_un.a_val;
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default:
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default:
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break;
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break;
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}
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}
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}
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}
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}
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}
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return NULL;
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return NULL;
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}
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}
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/* Returns AT_PLATFORM if present, otherwise generic 32. */
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/* Returns AT_PLATFORM if present, otherwise generic 32. */
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static int
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static int
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elf_dcachebsize (void)
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elf_dcachebsize (void)
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{
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{
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int fd;
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int fd;
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fd = open ("/proc/self/auxv", O_RDONLY);
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fd = open ("/proc/self/auxv", O_RDONLY);
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|
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if (fd != -1)
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if (fd != -1)
|
{
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{
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char buf[1024];
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char buf[1024];
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ElfW(auxv_t) *av;
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ElfW(auxv_t) *av;
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ssize_t n;
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ssize_t n;
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n = read (fd, buf, sizeof (buf));
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n = read (fd, buf, sizeof (buf));
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close (fd);
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close (fd);
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|
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if (n > 0)
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if (n > 0)
|
{
|
{
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for (av = (ElfW(auxv_t) *) buf; av->a_type != AT_NULL; ++av)
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for (av = (ElfW(auxv_t) *) buf; av->a_type != AT_NULL; ++av)
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switch (av->a_type)
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switch (av->a_type)
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{
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{
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case AT_DCACHEBSIZE:
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case AT_DCACHEBSIZE:
|
return av->a_un.a_val;
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return av->a_un.a_val;
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|
|
default:
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default:
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break;
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break;
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}
|
}
|
}
|
}
|
}
|
}
|
return 32;
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return 32;
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}
|
}
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|
/* Returns the description of caches on Linux. */
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/* Returns the description of caches on Linux. */
|
|
|
static char *
|
static char *
|
detect_caches_linux (void)
|
detect_caches_linux (void)
|
{
|
{
|
unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
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const char *platform;
|
const char *platform;
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|
|
platform = elf_platform ();
|
platform = elf_platform ();
|
|
|
if (platform != NULL)
|
if (platform != NULL)
|
{
|
{
|
l1_line = 128;
|
l1_line = 128;
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|
|
if (platform[5] == '6')
|
if (platform[5] == '6')
|
/* POWER6 and POWER6x */
|
/* POWER6 and POWER6x */
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l1_sizekb = 64;
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l1_sizekb = 64;
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else
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else
|
l1_sizekb = 32;
|
l1_sizekb = 32;
|
}
|
}
|
else
|
else
|
{
|
{
|
l1_line = elf_dcachebsize ();
|
l1_line = elf_dcachebsize ();
|
l1_sizekb = 32;
|
l1_sizekb = 32;
|
}
|
}
|
|
|
l1_assoc = 0;
|
l1_assoc = 0;
|
l2_sizekb = 512;
|
l2_sizekb = 512;
|
|
|
return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
|
return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
|
}
|
}
|
|
|
static const char *
|
static const char *
|
detect_processor_linux (void)
|
detect_processor_linux (void)
|
{
|
{
|
const char *platform;
|
const char *platform;
|
|
|
platform = elf_platform ();
|
platform = elf_platform ();
|
|
|
if (platform != NULL)
|
if (platform != NULL)
|
return platform;
|
return platform;
|
else
|
else
|
return "powerpc";
|
return "powerpc";
|
}
|
}
|
|
|
#endif /* __linux__ */
|
#endif /* __linux__ */
|
|
|
#ifdef _AIX
|
#ifdef _AIX
|
/* Returns the description of caches on AIX. */
|
/* Returns the description of caches on AIX. */
|
|
|
static char *
|
static char *
|
detect_caches_aix (void)
|
detect_caches_aix (void)
|
{
|
{
|
unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
|
unsigned l1_sizekb, l1_line, l1_assoc, l2_sizekb;
|
|
|
l1_sizekb = _system_configuration.dcache_size / 1024;
|
l1_sizekb = _system_configuration.dcache_size / 1024;
|
l1_line = _system_configuration.dcache_line;
|
l1_line = _system_configuration.dcache_line;
|
l1_assoc = _system_configuration.dcache_asc;
|
l1_assoc = _system_configuration.dcache_asc;
|
l2_sizekb = _system_configuration.L2_cache_size / 1024;
|
l2_sizekb = _system_configuration.L2_cache_size / 1024;
|
|
|
return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
|
return describe_cache (l1_sizekb, l1_line, l1_assoc, l2_sizekb);
|
}
|
}
|
|
|
|
|
/* Returns the processor implementation on AIX. */
|
/* Returns the processor implementation on AIX. */
|
|
|
static const char *
|
static const char *
|
detect_processor_aix (void)
|
detect_processor_aix (void)
|
{
|
{
|
switch (_system_configuration.implementation)
|
switch (_system_configuration.implementation)
|
{
|
{
|
case 0x0001:
|
case 0x0001:
|
return "rios1";
|
return "rios1";
|
|
|
case 0x0002:
|
case 0x0002:
|
return "rsc";
|
return "rsc";
|
|
|
case 0x0004:
|
case 0x0004:
|
return "rios2";
|
return "rios2";
|
|
|
case 0x0008:
|
case 0x0008:
|
return "601";
|
return "601";
|
|
|
case 0x0020:
|
case 0x0020:
|
return "603";
|
return "603";
|
|
|
case 0x0010:
|
case 0x0010:
|
return "604";
|
return "604";
|
|
|
case 0x0040:
|
case 0x0040:
|
return "620";
|
return "620";
|
|
|
case 0x0080:
|
case 0x0080:
|
return "630";
|
return "630";
|
|
|
case 0x0100:
|
case 0x0100:
|
case 0x0200:
|
case 0x0200:
|
case 0x0400:
|
case 0x0400:
|
return "rs64";
|
return "rs64";
|
|
|
case 0x0800:
|
case 0x0800:
|
return "power4";
|
return "power4";
|
|
|
case 0x2000:
|
case 0x2000:
|
if (_system_configuration.version == 0x0F0000)
|
if (_system_configuration.version == 0x0F0000)
|
return "power5";
|
return "power5";
|
else
|
else
|
return "power5+";
|
return "power5+";
|
|
|
case 0x4000:
|
case 0x4000:
|
return "power6";
|
return "power6";
|
|
|
default:
|
default:
|
return "powerpc";
|
return "powerpc";
|
}
|
}
|
}
|
}
|
#endif /* _AIX */
|
#endif /* _AIX */
|
|
|
|
|
/*
|
/*
|
* Array to map -mcpu=native names to the switches passed to the assembler.
|
* Array to map -mcpu=native names to the switches passed to the assembler.
|
* This list mirrors the specs in ASM_CPU_SPEC, and any changes made here
|
* This list mirrors the specs in ASM_CPU_SPEC, and any changes made here
|
* should be made there as well.
|
* should be made there as well.
|
*/
|
*/
|
|
|
struct asm_name {
|
struct asm_name {
|
const char *cpu;
|
const char *cpu;
|
const char *asm_sw;
|
const char *asm_sw;
|
};
|
};
|
|
|
static const struct asm_name asm_names[] = {
|
static const struct asm_name asm_names[] = {
|
#if defined (_AIX)
|
#if defined (_AIX)
|
{ "power3", "-m620" },
|
{ "power3", "-m620" },
|
{ "power4", "-mpwr4" },
|
{ "power4", "-mpwr4" },
|
{ "power5", "-mpwr5" },
|
{ "power5", "-mpwr5" },
|
{ "power5+", "-mpwr5x" },
|
{ "power5+", "-mpwr5x" },
|
{ "power6", "-mpwr6" },
|
{ "power6", "-mpwr6" },
|
{ "power6x", "-mpwr6" },
|
{ "power6x", "-mpwr6" },
|
{ "power7", "-mpwr7" },
|
{ "power7", "-mpwr7" },
|
{ "powerpc", "-mppc" },
|
{ "powerpc", "-mppc" },
|
{ "rs64a", "-mppc" },
|
{ "rs64a", "-mppc" },
|
{ "603", "-m603" },
|
{ "603", "-m603" },
|
{ "603e", "-m603" },
|
{ "603e", "-m603" },
|
{ "604", "-m604" },
|
{ "604", "-m604" },
|
{ "604e", "-m604" },
|
{ "604e", "-m604" },
|
{ "620", "-m620" },
|
{ "620", "-m620" },
|
{ "630", "-m620" },
|
{ "630", "-m620" },
|
{ "970", "-m970" },
|
{ "970", "-m970" },
|
{ "G5", "-m970" },
|
{ "G5", "-m970" },
|
{ NULL, "\
|
{ NULL, "\
|
%{!maix64: \
|
%{!maix64: \
|
%{mpowerpc64: -mppc64} \
|
%{mpowerpc64: -mppc64} \
|
%{maltivec: -m970} \
|
%{maltivec: -m970} \
|
%{!maltivec: %{!mpower64: %(asm_default)}}}" },
|
%{!maltivec: %{!mpower64: %(asm_default)}}}" },
|
|
|
#else
|
#else
|
{ "common", "-mcom" },
|
{ "common", "-mcom" },
|
{ "cell", "-mcell" },
|
{ "cell", "-mcell" },
|
{ "power", "-mpwr" },
|
{ "power", "-mpwr" },
|
{ "power2", "-mpwrx" },
|
{ "power2", "-mpwrx" },
|
{ "power3", "-mppc64" },
|
{ "power3", "-mppc64" },
|
{ "power4", "-mpower4" },
|
{ "power4", "-mpower4" },
|
{ "power5", "%(asm_cpu_power5)" },
|
{ "power5", "%(asm_cpu_power5)" },
|
{ "power5+", "%(asm_cpu_power5)" },
|
{ "power5+", "%(asm_cpu_power5)" },
|
{ "power6", "%(asm_cpu_power6) -maltivec" },
|
{ "power6", "%(asm_cpu_power6) -maltivec" },
|
{ "power6x", "%(asm_cpu_power6) -maltivec" },
|
{ "power6x", "%(asm_cpu_power6) -maltivec" },
|
{ "power7", "%(asm_cpu_power7)" },
|
{ "power7", "%(asm_cpu_power7)" },
|
{ "powerpc", "-mppc" },
|
{ "powerpc", "-mppc" },
|
{ "rios", "-mpwr" },
|
{ "rios", "-mpwr" },
|
{ "rios1", "-mpwr" },
|
{ "rios1", "-mpwr" },
|
{ "rios2", "-mpwrx" },
|
{ "rios2", "-mpwrx" },
|
{ "rsc", "-mpwr" },
|
{ "rsc", "-mpwr" },
|
{ "rsc1", "-mpwr" },
|
{ "rsc1", "-mpwr" },
|
{ "rs64a", "-mppc64" },
|
{ "rs64a", "-mppc64" },
|
{ "401", "-mppc" },
|
{ "401", "-mppc" },
|
{ "403", "-m403" },
|
{ "403", "-m403" },
|
{ "405", "-m405" },
|
{ "405", "-m405" },
|
{ "405fp", "-m405" },
|
{ "405fp", "-m405" },
|
{ "440", "-m440" },
|
{ "440", "-m440" },
|
{ "440fp", "-m440" },
|
{ "440fp", "-m440" },
|
{ "464", "-m440" },
|
{ "464", "-m440" },
|
{ "464fp", "-m440" },
|
{ "464fp", "-m440" },
|
{ "505", "-mppc" },
|
{ "505", "-mppc" },
|
{ "601", "-m601" },
|
{ "601", "-m601" },
|
{ "602", "-mppc" },
|
{ "602", "-mppc" },
|
{ "603", "-mppc" },
|
{ "603", "-mppc" },
|
{ "603e", "-mppc" },
|
{ "603e", "-mppc" },
|
{ "ec603e", "-mppc" },
|
{ "ec603e", "-mppc" },
|
{ "604", "-mppc" },
|
{ "604", "-mppc" },
|
{ "604e", "-mppc" },
|
{ "604e", "-mppc" },
|
{ "620", "-mppc64" },
|
{ "620", "-mppc64" },
|
{ "630", "-mppc64" },
|
{ "630", "-mppc64" },
|
{ "740", "-mppc" },
|
{ "740", "-mppc" },
|
{ "750", "-mppc" },
|
{ "750", "-mppc" },
|
{ "G3", "-mppc" },
|
{ "G3", "-mppc" },
|
{ "7400", "-mppc -maltivec" },
|
{ "7400", "-mppc -maltivec" },
|
{ "7450", "-mppc -maltivec" },
|
{ "7450", "-mppc -maltivec" },
|
{ "G4", "-mppc -maltivec" },
|
{ "G4", "-mppc -maltivec" },
|
{ "801", "-mppc" },
|
{ "801", "-mppc" },
|
{ "821", "-mppc" },
|
{ "821", "-mppc" },
|
{ "823", "-mppc" },
|
{ "823", "-mppc" },
|
{ "860", "-mppc" },
|
{ "860", "-mppc" },
|
{ "970", "-mpower4 -maltivec" },
|
{ "970", "-mpower4 -maltivec" },
|
{ "G5", "-mpower4 -maltivec" },
|
{ "G5", "-mpower4 -maltivec" },
|
{ "8540", "-me500" },
|
{ "8540", "-me500" },
|
{ "8548", "-me500" },
|
{ "8548", "-me500" },
|
{ "e300c2", "-me300" },
|
{ "e300c2", "-me300" },
|
{ "e300c3", "-me300" },
|
{ "e300c3", "-me300" },
|
{ "e500mc", "-me500mc" },
|
{ "e500mc", "-me500mc" },
|
{ NULL, "\
|
{ NULL, "\
|
%{mpower: %{!mpower2: -mpwr}} \
|
%{mpower: %{!mpower2: -mpwr}} \
|
%{mpower2: -mpwrx} \
|
%{mpower2: -mpwrx} \
|
%{mpowerpc64*: -mppc64} \
|
%{mpowerpc64*: -mppc64} \
|
%{!mpowerpc64*: %{mpowerpc*: -mppc}} \
|
%{!mpowerpc64*: %{mpowerpc*: -mppc}} \
|
%{mno-power: %{!mpowerpc*: -mcom}} \
|
%{mno-power: %{!mpowerpc*: -mcom}} \
|
%{!mno-power: %{!mpower*: %(asm_default)}}" },
|
%{!mno-power: %{!mpower*: %(asm_default)}}" },
|
#endif
|
#endif
|
};
|
};
|
|
|
/* This will be called by the spec parser in gcc.c when it sees
|
/* This will be called by the spec parser in gcc.c when it sees
|
a %:local_cpu_detect(args) construct. Currently it will be called
|
a %:local_cpu_detect(args) construct. Currently it will be called
|
with either "arch" or "tune" as argument depending on if -march=native
|
with either "arch" or "tune" as argument depending on if -march=native
|
or -mtune=native is to be substituted.
|
or -mtune=native is to be substituted.
|
|
|
Additionally it will be called with "asm" to select the appropriate flags
|
Additionally it will be called with "asm" to select the appropriate flags
|
for the assembler.
|
for the assembler.
|
|
|
It returns a string containing new command line parameters to be
|
It returns a string containing new command line parameters to be
|
put at the place of the above two options, depending on what CPU
|
put at the place of the above two options, depending on what CPU
|
this is executed.
|
this is executed.
|
|
|
ARGC and ARGV are set depending on the actual arguments given
|
ARGC and ARGV are set depending on the actual arguments given
|
in the spec. */
|
in the spec. */
|
const char *
|
const char *
|
host_detect_local_cpu (int argc, const char **argv)
|
host_detect_local_cpu (int argc, const char **argv)
|
{
|
{
|
const char *cpu = NULL;
|
const char *cpu = NULL;
|
const char *cache = "";
|
const char *cache = "";
|
const char *options = "";
|
const char *options = "";
|
bool arch;
|
bool arch;
|
bool assembler;
|
bool assembler;
|
size_t i;
|
size_t i;
|
|
|
if (argc < 1)
|
if (argc < 1)
|
return NULL;
|
return NULL;
|
|
|
arch = strcmp (argv[0], "cpu") == 0;
|
arch = strcmp (argv[0], "cpu") == 0;
|
assembler = (!arch && strcmp (argv[0], "asm") == 0);
|
assembler = (!arch && strcmp (argv[0], "asm") == 0);
|
if (!arch && !assembler && strcmp (argv[0], "tune"))
|
if (!arch && !assembler && strcmp (argv[0], "tune"))
|
return NULL;
|
return NULL;
|
|
|
if (! assembler)
|
if (! assembler)
|
{
|
{
|
#if defined (_AIX)
|
#if defined (_AIX)
|
cache = detect_caches_aix ();
|
cache = detect_caches_aix ();
|
#elif defined (__APPLE__)
|
#elif defined (__APPLE__)
|
cache = detect_caches_darwin ();
|
cache = detect_caches_darwin ();
|
#elif defined (__FreeBSD__)
|
#elif defined (__FreeBSD__)
|
cache = detect_caches_freebsd ();
|
cache = detect_caches_freebsd ();
|
/* FreeBSD PPC does not provide any cache information yet. */
|
/* FreeBSD PPC does not provide any cache information yet. */
|
cache = "";
|
cache = "";
|
#elif defined (__linux__)
|
#elif defined (__linux__)
|
cache = detect_caches_linux ();
|
cache = detect_caches_linux ();
|
/* PPC Linux does not provide any cache information yet. */
|
/* PPC Linux does not provide any cache information yet. */
|
cache = "";
|
cache = "";
|
#else
|
#else
|
cache = "";
|
cache = "";
|
#endif
|
#endif
|
}
|
}
|
|
|
#if defined (_AIX)
|
#if defined (_AIX)
|
cpu = detect_processor_aix ();
|
cpu = detect_processor_aix ();
|
#elif defined (__APPLE__)
|
#elif defined (__APPLE__)
|
cpu = detect_processor_darwin ();
|
cpu = detect_processor_darwin ();
|
#elif defined (__FreeBSD__)
|
#elif defined (__FreeBSD__)
|
cpu = detect_processor_freebsd ();
|
cpu = detect_processor_freebsd ();
|
#elif defined (__linux__)
|
#elif defined (__linux__)
|
cpu = detect_processor_linux ();
|
cpu = detect_processor_linux ();
|
#else
|
#else
|
cpu = "powerpc";
|
cpu = "powerpc";
|
#endif
|
#endif
|
|
|
if (assembler)
|
if (assembler)
|
{
|
{
|
for (i = 0; i < sizeof (asm_names) / sizeof (asm_names[0]); i++)
|
for (i = 0; i < sizeof (asm_names) / sizeof (asm_names[0]); i++)
|
{
|
{
|
if (!asm_names[i].cpu || !strcmp (asm_names[i].cpu, cpu))
|
if (!asm_names[i].cpu || !strcmp (asm_names[i].cpu, cpu))
|
return asm_names[i].asm_sw;
|
return asm_names[i].asm_sw;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
return concat (cache, "-m", argv[0], "=", cpu, " ", options, NULL);
|
return concat (cache, "-m", argv[0], "=", cpu, " ", options, NULL);
|
}
|
}
|
|
|
#else /* GCC_VERSION */
|
#else /* GCC_VERSION */
|
|
|
/* If we aren't compiling with GCC we just provide a minimal
|
/* If we aren't compiling with GCC we just provide a minimal
|
default value. */
|
default value. */
|
const char *
|
const char *
|
host_detect_local_cpu (int argc, const char **argv)
|
host_detect_local_cpu (int argc, const char **argv)
|
{
|
{
|
const char *cpu;
|
const char *cpu;
|
bool arch;
|
bool arch;
|
|
|
if (argc < 1)
|
if (argc < 1)
|
return NULL;
|
return NULL;
|
|
|
arch = strcmp (argv[0], "cpu") == 0;
|
arch = strcmp (argv[0], "cpu") == 0;
|
if (!arch && strcmp (argv[0], "tune"))
|
if (!arch && strcmp (argv[0], "tune"))
|
return NULL;
|
return NULL;
|
|
|
if (arch)
|
if (arch)
|
cpu = "powerpc";
|
cpu = "powerpc";
|
|
|
return concat ("-m", argv[0], "=", cpu, NULL);
|
return concat ("-m", argv[0], "=", cpu, NULL);
|
}
|
}
|
|
|
#endif /* GCC_VERSION */
|
#endif /* GCC_VERSION */
|
|
|
|
|
