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sched-vis.c (visual_tbl_line_length): New variable.

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* sched-vis.c (visual_tbl_line_length): New variable.
(get_visual_tbl_length): Set it.
(visualize_stall_cycles): Don't let stalls overrun
visual_tbl_line_length.

From-SVN: r38053
This commit is contained in:
Alexandre Oliva 2000-12-05 22:53:33 +00:00 committed by Alexandre Oliva
parent b75d998f0e
commit 4c42e347ee
2 changed files with 28 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2000-12-05 Alexandre Oliva <aoliva@redhat.com>
* sched-vis.c (visual_tbl_line_length): New variable.
(get_visual_tbl_length): Set it.
(visualize_stall_cycles): Don't let stalls overrun
visual_tbl_line_length.
2000-12-05 Geoffrey Keating <geoffk@redhat.com>
* global.c (global_conflicts): Allow for a REG_UNUSED note

25
gcc/sched-vis.c
View File

@ -82,6 +82,7 @@ insn_print_units (insn)
#define MAX_VISUAL_LINES 100
#define INSN_LEN 30
int n_visual_lines;
static unsigned visual_tbl_line_length;
char *visual_tbl;
int n_vis_no_unit;
rtx vis_no_unit[10];
@ -133,6 +134,8 @@ get_visual_tbl_length ()
n += n1;
n += strlen ("\n") + 2;
visual_tbl_line_length = n;
/* Compute length of visualization string. */
return (MAX_VISUAL_LINES * n);
}
@ -897,6 +900,9 @@ visualize_stall_cycles (stalls)
int stalls;
{
int i;
const char *prefix = ";; ";
const char *suffix = "\n";
char *p;
/* If no more room, split table into two. */
if (n_visual_lines >= MAX_VISUAL_LINES)
@ -907,10 +913,21 @@ visualize_stall_cycles (stalls)
n_visual_lines++;
sprintf (visual_tbl + strlen (visual_tbl), ";; ");
for (i = 0; i < stalls; i++)
sprintf (visual_tbl + strlen (visual_tbl), ".");
sprintf (visual_tbl + strlen (visual_tbl), "\n");
p = visual_tbl + strlen (visual_tbl);
strcpy (p, prefix);
p += strlen (prefix);
if ((unsigned)stalls >
visual_tbl_line_length - strlen (prefix) - strlen (suffix))
{
suffix = "[...]\n";
stalls = visual_tbl_line_length - strlen (prefix) - strlen (suffix);
}
memset (p, '.', stalls);
p += stalls;
strcpy (p, suffix);
}
/* Allocate data used for visualization during scheduling. */