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combine: Print insns with the cost dump 

In the combine dump file, at the start there is a list of the RTL cost
of every insn.  The only thing listed about the insns is the UID though.
To make it more useful, this patch prints the insn itself as well (in
slim format).


	* combine.c (combine_instructions): Print insns to dump_file, together
	with their costs.

From-SVN: r249802
This commit is contained in:
Segher Boessenkool 2017-06-29 19:28:47 +02:00 committed by Segher Boessenkool
parent 357067f243
commit e9d22c8ab3
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-06-29 Segher Boessenkool <segher@kernel.crashing.org>
* combine.c (combine_instructions): Print insns to dump_file, together
with their costs.
2017-06-29 Jan Hubicka <hubicka@ucw.cz>
* asan.c (asan_emit_stack_protection): Update.

6
gcc/combine.c
View File

@ -1213,8 +1213,10 @@ combine_instructions (rtx_insn *f, unsigned int nregs)
INSN_COST (insn) = insn_rtx_cost (PATTERN (insn),
optimize_this_for_speed_p);
if (dump_file)
fprintf (dump_file, "insn_cost %d: %d\n",
INSN_UID (insn), INSN_COST (insn));
{
fprintf (dump_file, "insn_cost %d for ", INSN_COST (insn));
dump_insn_slim (dump_file, insn);
}
}
}