2004-05-22 Steven G. Kargl <kargls@comcast.net>
+ * check.c (gfc_check_system_clock): New function.
+ * intrinsic.c (add_sym_3s): New function.
+ (add_subroutines): Use it.
+ * intrinsic.h (gfc_check_system_clock, gfc_resolve_system_clock):
+ Add prototypes.
+ * iresolve.c (gfc_resolve_system_clock): New function.
+
+2004-05-22 Steven G. Kargl <kargls@comcast.net>
+
* invoke.texi: Document -Wunderflow and spell check.
* lang.opt: Add Wunderflow.
* gfortran.h (gfc_option_t): Add warn_underflow option.
return SUCCESS;
}
+
+/* The arguments of SYSTEM_CLOCK are scalar, integer variables. Note,
+ count, count_rate, and count_max are all optional arguments */
+
+try
+gfc_check_system_clock (gfc_expr * count, gfc_expr * count_rate,
+ gfc_expr * count_max)
+{
+
+ if (count != NULL)
+ {
+ if (scalar_check (count, 0) == FAILURE)
+ return FAILURE;
+
+ if (type_check (count, 0, BT_INTEGER) == FAILURE)
+ return FAILURE;
+
+ if (variable_check (count, 0) == FAILURE)
+ return FAILURE;
+ }
+
+ if (count_rate != NULL)
+ {
+ if (scalar_check (count_rate, 1) == FAILURE)
+ return FAILURE;
+
+ if (type_check (count_rate, 1, BT_INTEGER) == FAILURE)
+ return FAILURE;
+
+ if (variable_check (count_rate, 1) == FAILURE)
+ return FAILURE;
+
+ if (count != NULL && same_type_check(count, 0, count_rate, 1) == FAILURE)
+ return FAILURE;
+
+ }
+
+ if (count_max != NULL)
+ {
+ if (scalar_check (count_max, 2) == FAILURE)
+ return FAILURE;
+
+ if (type_check (count_max, 2, BT_INTEGER) == FAILURE)
+ return FAILURE;
+
+ if (variable_check (count_max, 2) == FAILURE)
+ return FAILURE;
+
+ if (count != NULL && same_type_check(count, 0, count_max, 2) == FAILURE)
+ return FAILURE;
+
+ if (count_rate != NULL
+ && same_type_check(count_rate, 1, count_max, 2) == FAILURE)
+ return FAILURE;
+
+ }
+
+ return SUCCESS;
+}
(void*)0);
}
+/* Add the name of an intrinsic subroutine with three arguments to the list
+ of intrinsic names. */
+
+static void add_sym_3s (const char *name, int elemental, int actual_ok, bt type,
+ int kind,
+ try (*check)(gfc_expr *,gfc_expr *,gfc_expr *),
+ gfc_expr *(*simplify)(gfc_expr *,gfc_expr *,gfc_expr *),
+ void (*resolve)(gfc_code *),
+ const char* a1, bt type1, int kind1, int optional1,
+ const char* a2, bt type2, int kind2, int optional2,
+ const char* a3, bt type3, int kind3, int optional3
+ ) {
+ gfc_check_f cf;
+ gfc_simplify_f sf;
+ gfc_resolve_f rf;
+
+ cf.f3 = check;
+ sf.f3 = simplify;
+ rf.s1 = resolve;
+
+ add_sym (name, elemental, actual_ok, type, kind, cf, sf, rf,
+ a1, type1, kind1, optional1,
+ a2, type2, kind2, optional2,
+ a3, type3, kind3, optional3,
+ (void*)0);
+}
+
static void add_sym_4 (const char *name, int elemental, int actual_ok, bt type,
int kind,
sz, BT_INTEGER, di, 1, pt, BT_INTEGER, di, 1,
gt, BT_INTEGER, di, 1);
- add_sym_3 ("system_clock", 0, 1, BT_UNKNOWN, 0,
- NULL, NULL, NULL,
+ add_sym_3s ("system_clock", 0, 1, BT_UNKNOWN, 0,
+ gfc_check_system_clock, NULL, gfc_resolve_system_clock,
c, BT_INTEGER, di, 1, cr, BT_INTEGER, di, 1,
cm, BT_INTEGER, di, 1);
}
/* Intrinsic subroutines. */
try gfc_check_cpu_time (gfc_expr *);
+try gfc_check_system_clock (gfc_expr *, gfc_expr *, gfc_expr *);
try gfc_check_date_and_time (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
try gfc_check_mvbits (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
gfc_expr *);
/* Intrinsic subroutine resolution. */
void gfc_resolve_cpu_time (gfc_code *);
+void gfc_resolve_system_clock(gfc_code *);
void gfc_resolve_random_number (gfc_code *);
c->resolved_sym = gfc_get_intrinsic_sub_symbol (name);
}
+/* Determine if the arguments to SYSTEM_CLOCK are INTEGER(4) or INTEGER(8) */
+
+void
+gfc_resolve_system_clock (gfc_code * c)
+{
+ const char *name;
+ int kind;
+
+ if (c->ext.actual->expr != NULL)
+ kind = c->ext.actual->expr->ts.kind;
+ else if (c->ext.actual->next->expr != NULL)
+ kind = c->ext.actual->next->expr->ts.kind;
+ else if (c->ext.actual->next->next->expr != NULL)
+ kind = c->ext.actual->next->next->expr->ts.kind;
+ else
+ kind = gfc_default_integer_kind ();
+
+ name = gfc_get_string (PREFIX("system_clock_%d"), kind);
+ c->resolved_sym = gfc_get_intrinsic_sub_symbol (name);
+}
+
void
gfc_iresolve_init_1 (void)
+2004-05-22 Steven G. Kargl <kargls@comcast.net>
+
+ * intrinsics/system_clock: New file.
+ * Makefile.am: Add intrinsics/system_clock.c.
+ * Makefile.in: Regenerate.
+
2004-05-21 Roger Sayle <roger@eyesopen.com>
* io/format.c (parse_format_list): Allow the comma after a string
intrinsics/reshape_generic.c \
intrinsics/reshape_packed.c \
intrinsics/selected_kind.f90 \
+intrinsics/system_clock.c \
intrinsics/transpose_generic.c \
intrinsics/unpack_generic.c \
runtime/in_pack_generic.c \
eoshift0.lo eoshift2.lo ishftc.lo pack_generic.lo size.lo \
spread_generic.lo string_intrinsics.lo random.lo \
reshape_generic.lo reshape_packed.lo selected_kind.lo \
- transpose_generic.lo unpack_generic.lo in_pack_generic.lo \
- in_unpack_generic.lo
+ system_clock.lo transpose_generic.lo unpack_generic.lo \
+ in_pack_generic.lo in_unpack_generic.lo
am__objects_34 =
am__objects_35 = _abs_c4.lo _abs_c8.lo _abs_i4.lo _abs_i8.lo \
_abs_r4.lo _abs_r8.lo _exp_r4.lo _exp_r8.lo _exp_c4.lo \
@AMDEP_TRUE@ ./$(DEPDIR)/sum_c4.Plo ./$(DEPDIR)/sum_c8.Plo \
@AMDEP_TRUE@ ./$(DEPDIR)/sum_i4.Plo ./$(DEPDIR)/sum_i8.Plo \
@AMDEP_TRUE@ ./$(DEPDIR)/sum_r4.Plo ./$(DEPDIR)/sum_r8.Plo \
+@AMDEP_TRUE@ ./$(DEPDIR)/system_clock.Plo \
@AMDEP_TRUE@ ./$(DEPDIR)/transfer.Plo \
@AMDEP_TRUE@ ./$(DEPDIR)/transpose_generic.Plo \
@AMDEP_TRUE@ ./$(DEPDIR)/transpose_i4.Plo \
intrinsics/reshape_generic.c \
intrinsics/reshape_packed.c \
intrinsics/selected_kind.f90 \
+intrinsics/system_clock.c \
intrinsics/transpose_generic.c \
intrinsics/unpack_generic.c \
runtime/in_pack_generic.c \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sum_i8.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sum_r4.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sum_r8.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/system_clock.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/transfer.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/transpose_generic.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/transpose_i4.Plo@am__quote@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o reshape_packed.lo `test -f 'intrinsics/reshape_packed.c' || echo '$(srcdir)/'`intrinsics/reshape_packed.c
+system_clock.o: intrinsics/system_clock.c
+@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT system_clock.o -MD -MP -MF "$(DEPDIR)/system_clock.Tpo" -c -o system_clock.o `test -f 'intrinsics/system_clock.c' || echo '$(srcdir)/'`intrinsics/system_clock.c; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/system_clock.Tpo" "$(DEPDIR)/system_clock.Po"; else rm -f "$(DEPDIR)/system_clock.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='intrinsics/system_clock.c' object='system_clock.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/system_clock.Po' tmpdepfile='$(DEPDIR)/system_clock.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o system_clock.o `test -f 'intrinsics/system_clock.c' || echo '$(srcdir)/'`intrinsics/system_clock.c
+
+system_clock.obj: intrinsics/system_clock.c
+@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT system_clock.obj -MD -MP -MF "$(DEPDIR)/system_clock.Tpo" -c -o system_clock.obj `if test -f 'intrinsics/system_clock.c'; then $(CYGPATH_W) 'intrinsics/system_clock.c'; else $(CYGPATH_W) '$(srcdir)/intrinsics/system_clock.c'; fi`; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/system_clock.Tpo" "$(DEPDIR)/system_clock.Po"; else rm -f "$(DEPDIR)/system_clock.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='intrinsics/system_clock.c' object='system_clock.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/system_clock.Po' tmpdepfile='$(DEPDIR)/system_clock.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o system_clock.obj `if test -f 'intrinsics/system_clock.c'; then $(CYGPATH_W) 'intrinsics/system_clock.c'; else $(CYGPATH_W) '$(srcdir)/intrinsics/system_clock.c'; fi`
+
+system_clock.lo: intrinsics/system_clock.c
+@am__fastdepCC_TRUE@ if $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT system_clock.lo -MD -MP -MF "$(DEPDIR)/system_clock.Tpo" -c -o system_clock.lo `test -f 'intrinsics/system_clock.c' || echo '$(srcdir)/'`intrinsics/system_clock.c; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/system_clock.Tpo" "$(DEPDIR)/system_clock.Plo"; else rm -f "$(DEPDIR)/system_clock.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='intrinsics/system_clock.c' object='system_clock.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/system_clock.Plo' tmpdepfile='$(DEPDIR)/system_clock.TPlo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o system_clock.lo `test -f 'intrinsics/system_clock.c' || echo '$(srcdir)/'`intrinsics/system_clock.c
+
transpose_generic.o: intrinsics/transpose_generic.c
@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT transpose_generic.o -MD -MP -MF "$(DEPDIR)/transpose_generic.Tpo" -c -o transpose_generic.o `test -f 'intrinsics/transpose_generic.c' || echo '$(srcdir)/'`intrinsics/transpose_generic.c; \
@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/transpose_generic.Tpo" "$(DEPDIR)/transpose_generic.Po"; else rm -f "$(DEPDIR)/transpose_generic.Tpo"; exit 1; fi
--- /dev/null
+/* Implementation of the SYSTEM_CLOCK intrinsic.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+Libgfortran 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with libgfortran; see the file COPYING.LIB. If not,
+write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include "config.h"
+#include <sys/types.h>
+#include "libgfortran.h"
+
+#include <limits.h>
+
+#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
+# include <sys/time.h>
+# define TCK 1000
+#elif defined(HAVE_TIME_H)
+# include <time.h>
+# define TCK 1
+#else
+#define TCK 0
+#endif
+
+
+#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
+static struct timeval tp0 = {-1, 0};
+#elif defined(HAVE_TIME_H)
+static time_t t0 = (time_t) -2;
+#endif
+
+/* prefix(system_clock_4) is the INTEGER(4) version of the SYSTEM_CLOCK
+ intrinsic subroutine. It returns the number of clock ticks for the current
+ system time, the number of ticks per second, and the maximum possible value
+ for COUNT. On the first call to SYSTEM_CLOCK, COUNT is set to zero. */
+
+void
+prefix(system_clock_4)(GFC_INTEGER_4 *count, GFC_INTEGER_4 *count_rate,
+ GFC_INTEGER_4 *count_max)
+{
+ GFC_INTEGER_4 cnt;
+ GFC_INTEGER_4 rate;
+ GFC_INTEGER_4 mx;
+
+#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
+ struct timeval tp1;
+ struct timezone tzp;
+ double t;
+
+ if (gettimeofday(&tp1, &tzp) == 0)
+ {
+ if (tp0.tv_sec < 0)
+ {
+ tp0 = tp1;
+ cnt = 0;
+ }
+ else
+ {
+ /* TODO: Convert this to integer arithmetic. */
+ t = (double) (tp1.tv_sec - tp0.tv_sec);
+ t += (double) (tp1.tv_usec - tp0.tv_usec) * 1.e-6;
+ t *= TCK;
+
+ if (t > (double) GFC_INTEGER_4_HUGE)
+ {
+ /* Time has wrapped. */
+ while (t > (double) GFC_INTEGER_4_HUGE)
+ t -= (double) GFC_INTEGER_4_HUGE;
+ tp0 = tp1;
+ }
+ cnt = (GFC_INTEGER_4) t;
+ }
+ rate = TCK;
+ mx = GFC_INTEGER_4_HUGE;
+ }
+ else
+ {
+ if (count != NULL) *count = - GFC_INTEGER_4_HUGE;
+ if (count_rate != NULL) *count_rate = 0;
+ if (count_max != NULL) *count_max = 0;
+ }
+#elif defined(HAVE_TIME_H)
+ time_t t, t1;
+
+ t1 = time(NULL);
+
+ if (t1 == (time_t) -1)
+ {
+ cnt = - GFC_INTEGER_4_HUGE;
+ mx = 0;
+ }
+ else if (t0 == (time_t) -2)
+ t0 = t1;
+ else
+ {
+ /* The timer counts in seconts, so for simplicity assume it never wraps.
+ Even with 32-bit counters this only happens once every 68 years. */
+ cnt = t1 - t0;
+ mx = GFC_INTEGER_4_HUGE;
+ }
+#else
+ cnt = - GFC_INTEGER_4_HUGE;
+ mx = 0;
+#endif
+ if (count != NULL) *count = cnt;
+ if (count_rate != NULL) *count_rate = TCK;
+ if (count_max != NULL) *count_max = mx;
+}
+
+
+/* INTEGER(8) version of the above routine. */
+
+void
+prefix(system_clock_8)(GFC_INTEGER_8 *count, GFC_INTEGER_8 *count_rate,
+ GFC_INTEGER_8 *count_max)
+{
+ GFC_INTEGER_8 cnt;
+ GFC_INTEGER_8 rate;
+ GFC_INTEGER_8 mx;
+
+#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
+ struct timeval tp1;
+ struct timezone tzp;
+ double t;
+
+ if (gettimeofday(&tp1, &tzp) == 0)
+ {
+ if (tp0.tv_sec < 0)
+ {
+ tp0 = tp1;
+ cnt = 0;
+ }
+ else
+ {
+ /* TODO: Convert this to integer arithmetic. */
+ t = (double) (tp1.tv_sec - tp0.tv_sec);
+ t += (double) (tp1.tv_usec - tp0.tv_usec) * 1.e-6;
+ t *= TCK;
+
+ if (t > (double) GFC_INTEGER_8_HUGE)
+ {
+ /* Time has wrapped. */
+ while (t > (double) GFC_INTEGER_8_HUGE)
+ t -= (double) GFC_INTEGER_8_HUGE;
+ tp0 = tp1;
+ }
+ cnt = (GFC_INTEGER_8) t;
+ }
+ rate = TCK;
+ mx = GFC_INTEGER_8_HUGE;
+ }
+ else
+ {
+ if (count != NULL) *count = - GFC_INTEGER_8_HUGE;
+ if (count_rate != NULL) *count_rate = 0;
+ if (count_max != NULL) *count_max = 0;
+ }
+#elif defined(HAVE_TIME_H)
+ time_t t, t1;
+
+ t1 = time(NULL);
+
+ if (t1 == (time_t) -1)
+ {
+ cnt = - GFC_INTEGER_8_HUGE;
+ mx = 0;
+ }
+ else if (t0 == (time_t) -2)
+ t0 = t1;
+ else
+ {
+ /* The timer counts in seconts, so for simplicity assume it never wraps.
+ Even with 32-bit counters this only happens once every 68 years. */
+ cnt = t1 - t0;
+ mx = GFC_INTEGER_8_HUGE;
+ }
+#else
+ cnt = - GFC_INTEGER_8_HUGE;
+ mx = 0;
+#endif
+ if (count != NULL)
+ *count = cnt;
+ if (count_rate != NULL)
+ *count_rate = TCK;
+ if (count_max != NULL)
+ *count_max = mx;
+}
+
projects / platform / upstream / linaro-gcc.git / commitdiff