diff options
author | YamaArashi <shadow962@live.com> | 2016-02-16 01:03:54 -0800 |
---|---|---|
committer | YamaArashi <shadow962@live.com> | 2016-02-16 01:03:54 -0800 |
commit | ecae31d652106c1f3b7429570de013c3bbf33e7a (patch) | |
tree | 6981957216b10aad71c792714a25c5750611754e /gcc/genattr.c | |
parent | 9382e1a90b218b4b93bf53c01ef163925cf224dc (diff) |
get rid of PROTO macros
Diffstat (limited to 'gcc/genattr.c')
-rwxr-xr-x | gcc/genattr.c | 310 |
1 files changed, 23 insertions, 287 deletions
diff --git a/gcc/genattr.c b/gcc/genattr.c index d50cab5..3b3ab2b 100755 --- a/gcc/genattr.c +++ b/gcc/genattr.c @@ -25,69 +25,20 @@ Boston, MA 02111-1307, USA. */ #include "rtl.h" #include "obstack.h" -static struct obstack obstack; -struct obstack *rtl_obstack = &obstack; - #define obstack_chunk_alloc xmalloc #define obstack_chunk_free free -static void fatal PVPROTO ((const char *, ...)) - ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN; -void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN; +static struct obstack obstack; +struct obstack *rtl_obstack = &obstack; /* Define this so we can link with print-rtl.o to get debug_rtx function. */ char **insn_name_ptr = 0; -/* A range of values. */ - -struct range -{ - int min; - int max; -}; - -/* Record information about each function unit mentioned in a - DEFINE_FUNCTION_UNIT. */ - -struct function_unit -{ - char *name; /* Function unit name. */ - struct function_unit *next; /* Next function unit. */ - int multiplicity; /* Number of units of this type. */ - int simultaneity; /* Maximum number of simultaneous insns - on this function unit or 0 if unlimited. */ - struct range ready_cost; /* Range of ready cost values. */ - struct range issue_delay; /* Range of issue delay values. */ -}; - -static void extend_range PROTO((struct range *, int, int)); -static void init_range PROTO((struct range *)); -static void write_upcase PROTO((char *)); -static void gen_attr PROTO((rtx)); -static void write_units PROTO((int, struct range *, struct range *, - struct range *, struct range *, - struct range *)); -static void -extend_range (range, min, max) - struct range *range; - int min; - int max; -{ - if (range->min > min) range->min = min; - if (range->max < max) range->max = max; -} - -static void -init_range (range) - struct range *range; -{ - range->min = 100000; - range->max = -1; -} +static void write_upcase (char *); +static void gen_attr (rtx); static void -write_upcase (str) - char *str; +write_upcase (char *str) { for (; *str; str++) if (*str >= 'a' && *str <= 'z') @@ -97,8 +48,7 @@ write_upcase (str) } static void -gen_attr (attr) - rtx attr; +gen_attr (rtx attr) { char *p; @@ -137,107 +87,21 @@ gen_attr (attr) if (! strcmp (XSTR (attr, 0), "length")) { printf ("extern void init_lengths ();\n"); - printf ("extern void shorten_branches PROTO((rtx));\n"); - printf ("extern int insn_default_length PROTO((rtx));\n"); - printf ("extern int insn_variable_length_p PROTO((rtx));\n"); - printf ("extern int insn_current_length PROTO((rtx));\n\n"); + printf ("extern void shorten_branches (rtx);\n"); + printf ("extern int insn_default_length (rtx);\n"); + printf ("extern int insn_variable_length_p (rtx);\n"); + printf ("extern int insn_current_length (rtx);\n\n"); printf ("extern int *insn_addresses;\n"); printf ("extern int insn_current_address;\n\n"); } } static void -write_units (num_units, multiplicity, simultaneity, - ready_cost, issue_delay, blockage) - int num_units; - struct range *multiplicity; - struct range *simultaneity; - struct range *ready_cost; - struct range *issue_delay; - struct range *blockage; +fatal(const char *format, ...) { - int i, q_size; - - printf ("#define INSN_SCHEDULING\n\n"); - printf ("extern int result_ready_cost PROTO((rtx));\n"); - printf ("extern int function_units_used PROTO((rtx));\n\n"); - printf ("extern struct function_unit_desc\n"); - printf ("{\n"); - printf (" char *name;\n"); - printf (" int bitmask;\n"); - printf (" int multiplicity;\n"); - printf (" int simultaneity;\n"); - printf (" int default_cost;\n"); - printf (" int max_issue_delay;\n"); - printf (" int (*ready_cost_function) ();\n"); - printf (" int (*conflict_cost_function) ();\n"); - printf (" int max_blockage;\n"); - printf (" unsigned int (*blockage_range_function) ();\n"); - printf (" int (*blockage_function) ();\n"); - printf ("} function_units[];\n\n"); - printf ("#define FUNCTION_UNITS_SIZE %d\n", num_units); - printf ("#define MIN_MULTIPLICITY %d\n", multiplicity->min); - printf ("#define MAX_MULTIPLICITY %d\n", multiplicity->max); - printf ("#define MIN_SIMULTANEITY %d\n", simultaneity->min); - printf ("#define MAX_SIMULTANEITY %d\n", simultaneity->max); - printf ("#define MIN_READY_COST %d\n", ready_cost->min); - printf ("#define MAX_READY_COST %d\n", ready_cost->max); - printf ("#define MIN_ISSUE_DELAY %d\n", issue_delay->min); - printf ("#define MAX_ISSUE_DELAY %d\n", issue_delay->max); - printf ("#define MIN_BLOCKAGE %d\n", blockage->min); - printf ("#define MAX_BLOCKAGE %d\n", blockage->max); - for (i = 0; (1 << i) < blockage->max; i++) - ; - printf ("#define BLOCKAGE_BITS %d\n", i + 1); - - /* INSN_QUEUE_SIZE is a power of two larger than MAX_BLOCKAGE and - MAX_READY_COST. This is the longest time an isnsn may be queued. */ - i = MAX (blockage->max, ready_cost->max); - for (q_size = 1; q_size <= i; q_size <<= 1) - ; - printf ("#define INSN_QUEUE_SIZE %d\n", q_size); -} - -PTR -xmalloc (size) - size_t size; -{ - register PTR val = (PTR) malloc (size); - - if (val == 0) - fatal ("virtual memory exhausted"); - return val; -} - -PTR -xrealloc (old, size) - PTR old; - size_t size; -{ - register PTR ptr; - if (old) - ptr = (PTR) realloc (old, size); - else - ptr = (PTR) malloc (size); - if (!ptr) - fatal ("virtual memory exhausted"); - return ptr; -} - -static void -fatal VPROTO ((const char *format, ...)) -{ -#ifndef ANSI_PROTOTYPES - const char *format; -#endif va_list ap; - VA_START (ap, format); - -#ifndef ANSI_PROTOTYPES - format = va_arg (ap, const char *); -#endif - + va_start (ap, format); fprintf (stderr, "genattr: "); vfprintf (stderr, format, ap); va_end (ap); @@ -245,37 +109,23 @@ fatal VPROTO ((const char *format, ...)) exit (EXIT_FAILURE); } -/* More 'friendly' abort that prints the line and file. - config.h can #define abort fancy_abort if you like that sort of thing. */ - -void -fancy_abort () +void * +xmalloc(size_t size) { - fatal ("Internal gcc abort."); + void *val = malloc(size); + + if (val == NULL) + fatal ("virtual memory exhausted"); + + return val; } - + int -main (argc, argv) - int argc; - char **argv; +main(int argc, char **argv) { rtx desc; FILE *infile; - register int c; - int have_delay = 0; - int have_annul_true = 0; - int have_annul_false = 0; - int num_units = 0; - struct range all_simultaneity, all_multiplicity; - struct range all_ready_cost, all_issue_delay, all_blockage; - struct function_unit *units = 0, *unit; - int i; - - init_range (&all_multiplicity); - init_range (&all_simultaneity); - init_range (&all_ready_cost); - init_range (&all_issue_delay); - init_range (&all_blockage); + int c; obstack_init (rtl_obstack); @@ -312,120 +162,6 @@ from the machine description file `md'. */\n\n"); desc = read_rtx (infile); if (GET_CODE (desc) == DEFINE_ATTR) gen_attr (desc); - - else if (GET_CODE (desc) == DEFINE_DELAY) - { - if (! have_delay) - { - printf ("#define DELAY_SLOTS\n"); - printf ("extern int num_delay_slots PROTO((rtx));\n"); - printf ("extern int eligible_for_delay PROTO((rtx, int, rtx, int));\n\n"); - printf ("extern int const_num_delay_slots PROTO((rtx));\n\n"); - have_delay = 1; - } - - for (i = 0; i < XVECLEN (desc, 1); i += 3) - { - if (XVECEXP (desc, 1, i + 1) && ! have_annul_true) - { - printf ("#define ANNUL_IFTRUE_SLOTS\n"); - printf ("extern int eligible_for_annul_true ();\n"); - have_annul_true = 1; - } - - if (XVECEXP (desc, 1, i + 2) && ! have_annul_false) - { - printf ("#define ANNUL_IFFALSE_SLOTS\n"); - printf ("extern int eligible_for_annul_false ();\n"); - have_annul_false = 1; - } - } - } - - else if (GET_CODE (desc) == DEFINE_FUNCTION_UNIT) - { - char *name = XSTR (desc, 0); - int multiplicity = XINT (desc, 1); - int simultaneity = XINT (desc, 2); - int ready_cost = MAX (XINT (desc, 4), 1); - int issue_delay = MAX (XINT (desc, 5), 1); - int issueexp_p = (XVEC (desc, 6) != 0); - - for (unit = units; unit; unit = unit->next) - if (strcmp (unit->name, name) == 0) - break; - - if (unit == 0) - { - int len = strlen (name) + 1; - unit = (struct function_unit *) - alloca (sizeof (struct function_unit)); - unit->name = (char *) alloca (len); - copy_memory (name, unit->name, len); - unit->multiplicity = multiplicity; - unit->simultaneity = simultaneity; - unit->ready_cost.min = unit->ready_cost.max = ready_cost; - unit->issue_delay.min = unit->issue_delay.max = issue_delay; - unit->next = units; - units = unit; - num_units++; - - extend_range (&all_multiplicity, multiplicity, multiplicity); - extend_range (&all_simultaneity, simultaneity, simultaneity); - } - else if (unit->multiplicity != multiplicity - || unit->simultaneity != simultaneity) - fatal ("Differing specifications given for `%s' function unit.", - unit->name); - - extend_range (&unit->ready_cost, ready_cost, ready_cost); - extend_range (&unit->issue_delay, - issueexp_p ? 1 : issue_delay, issue_delay); - extend_range (&all_ready_cost, - unit->ready_cost.min, unit->ready_cost.max); - extend_range (&all_issue_delay, - unit->issue_delay.min, unit->issue_delay.max); - } - } - - if (num_units > 0) - { - /* Compute the range of blockage cost values. See genattrtab.c - for the derivation. BLOCKAGE (E,C) when SIMULTANEITY is zero is - - MAX (ISSUE-DELAY (E,C), - READY-COST (E) - (READY-COST (C) - 1)) - - and otherwise - - MAX (ISSUE-DELAY (E,C), - READY-COST (E) - (READY-COST (C) - 1), - READY-COST (E) - FILL-TIME) */ - - for (unit = units; unit; unit = unit->next) - { - struct range blockage; - - blockage = unit->issue_delay; - blockage.max = MAX (unit->ready_cost.max - - (unit->ready_cost.min - 1), - blockage.max); - blockage.min = MAX (1, blockage.min); - - if (unit->simultaneity != 0) - { - int fill_time = ((unit->simultaneity - 1) - * unit->issue_delay.min); - blockage.min = MAX (unit->ready_cost.min - fill_time, - blockage.min); - blockage.max = MAX (unit->ready_cost.max - fill_time, - blockage.max); - } - extend_range (&all_blockage, blockage.min, blockage.max); - } - - write_units (num_units, &all_multiplicity, &all_simultaneity, - &all_ready_cost, &all_issue_delay, &all_blockage); } /* Output flag masks for use by reorg. |