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reload1.c (find_reload_regs): Note the details of reload failures in the dump file.

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* reload1.c (find_reload_regs): Note the details of reload
failures in the dump file.
(spill_failure): Likewise.

From-SVN: r110006
This commit is contained in:
DJ Delorie 2006-01-19 20:16:17 -05:00 • committed by DJ Delorie
parent 03fd221518
commit ff182b5cf7
2 changed files with 14 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-01-19 DJ Delorie <dj@redhat.com>
* reload1.c (find_reload_regs): Note the details of reload
failures in the dump file.
(spill_failure): Likewise.
2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
* loop-iv.c: Include df.h and hashtab.h.

8
gcc/reload1.c
View file

@ -1831,6 +1831,8 @@ find_reload_regs (struct insn_chain *chain)
&& rld[r].regno == -1)
if (! find_reg (chain, i))
{
if (dump_file)
fprintf(dump_file, "reload failure for reload %d\n", r);
spill_failure (chain->insn, rld[r].class);
failure = 1;
return;
@ -1899,6 +1901,12 @@ spill_failure (rtx insn, enum reg_class class)
{
error ("unable to find a register to spill in class %qs",
reg_class_names[class]);
if (dump_file)
{
fprintf (dump_file, "\nReloads for insn # %d\n", INSN_UID (insn));
debug_reload_to_stream (dump_file);
}
fatal_insn ("this is the insn:", insn);
}
}