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genemit: Print file+line in the "Splitting with" message

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It's tiresome to have to look in insn-emit.c to see where some split
came from, so let's print that info to the dump file as well.  But
don't print the full path, just the basename, for greater readability.


	* genemit.c (gen_split): Print the filename and line number where the
	splitter (or peephole2) was defined, to the dump file.

From-SVN: r275497
This commit is contained in:
Segher Boessenkool 2019-09-08 22:58:18 +02:00 committed by Segher Boessenkool
parent 30b94f5520
commit 9976b31c66
2 changed files with 12 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-09-08 Segher Boessenkool <segher@kernel.crashing.org>
* genemit.c (gen_split): Print the filename and line number where the
splitter (or peephole2) was defined, to the dump file.
2019-09-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/91665

9
gcc/genemit.c
View File

@ -609,9 +609,14 @@ gen_split (md_rtx_info *info)
if (GET_CODE (split) == DEFINE_PEEPHOLE2)
output_peephole2_scratches (split);
const char *fn = info->loc.filename;
for (const char *p = fn; *p; p++)
if (*p == '/')
fn = p + 1;
printf (" if (dump_file)\n");
printf (" fprintf (dump_file, \"Splitting with gen_%s_%d\\n\");\n",
name, info->index);
printf (" fprintf (dump_file, \"Splitting with gen_%s_%d (%s:%d)\\n\");\n",
name, info->index, fn, info->loc.lineno);
printf (" start_sequence ();\n");