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combine.c (recog_for_combine): Log the success or failure of matching new insn patterns against the machine... 

* combine.c (recog_for_combine): Log the success or failure of
	  matching new insn patterns against the machine description in
	  detailed dumps.

From-SVN: r126251
This commit is contained in:
Rask Ingemann Lambertsen 2007-07-03 14:45:31 +02:00 committed by Rask Ingemann Lambertsen
parent 8cec1624c5
commit b6bcd67696
2 changed files with 22 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
* combine.c (recog_for_combine): Log the success or failure of
matching new insn patterns against the machine description in
detailed dumps.
2007-07-03 Revital Eres <eres@il.ibm.com>
* ddg.c (print_sccs): New function.

16
gcc/combine.c
View File

@ -9665,6 +9665,14 @@ recog_for_combine (rtx *pnewpat, rtx insn, rtx *pnotes)
REG_NOTES (insn) = 0;
insn_code_number = recog (pat, insn, &num_clobbers_to_add);
if (dump_file && (dump_flags & TDF_DETAILS))
{
if (insn_code_number < 0)
fputs ("Failed to match this instruction:\n", dump_file);
else
fputs ("Successfully matched this instruction:\n", dump_file);
print_rtl_single (dump_file, pat);
}
/* If it isn't, there is the possibility that we previously had an insn
that clobbered some register as a side effect, but the combined
@ -9691,6 +9699,14 @@ recog_for_combine (rtx *pnewpat, rtx insn, rtx *pnotes)
PATTERN (insn) = pat;
insn_code_number = recog (pat, insn, &num_clobbers_to_add);
if (dump_file && (dump_flags & TDF_DETAILS))
{
if (insn_code_number < 0)
fputs ("Failed to match this instruction:\n", dump_file);
else
fputs ("Successfully matched this instruction:\n", dump_file);
print_rtl_single (dump_file, pat);
}
}
PATTERN (insn) = old_pat;
REG_NOTES (insn) = old_notes;