From ff182b5cf78d6c7e70fc1eb75e87c8ba6f088325 Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Thu, 19 Jan 2006 20:16:17 -0500
Subject: [PATCH] reload1.c (find_reload_regs): Note the details of reload
failures in the dump file.
* reload1.c (find_reload_regs): Note the details of reload
failures in the dump file.
(spill_failure): Likewise.
From-SVN: r110006
---
gcc/ChangeLog | 6 ++++++
gcc/reload1.c | 8 ++++++++
2 files changed, 14 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 836da92b968e..ff3ba408dc59 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 02fda092605d..56fed397320b 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -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);
}
}
--
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