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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/combine.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d7a6f39..7502184 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-02 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * combine (try_combine): Print the insns input to try_combine to the
+ dump file.
+
2017-11-02 Steve Ellcey <sellcey@cavium.com>
PR target/79868
diff --git a/gcc/combine.c b/gcc/combine.c
index 968e687..eab10c5 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -2771,6 +2771,13 @@ try_combine (rtx_insn *i3, rtx_insn *i2, rtx_insn *i1, rtx_insn *i0,
else
fprintf (dump_file, "\nTrying %d -> %d:\n",
INSN_UID (i2), INSN_UID (i3));
+
+ if (i0)
+ dump_insn_slim (dump_file, i0);
+ if (i1)
+ dump_insn_slim (dump_file, i1);
+ dump_insn_slim (dump_file, i2);
+ dump_insn_slim (dump_file, i3);
}
/* If multiple insns feed into one of I2 or I3, they can be in any