From 516e5fa65f01dcc76fdabb03e3033c76f70e2935 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 31 Jan 1999 14:05:28 -0800 Subject: [PATCH] * loop.c (recombine_givs): Dump recombination and derivation data. From-SVN: r24948 --- gcc/ChangeLog | 4 ++++ gcc/loop.c | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index da89fc9570e..28ac1cd4efa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Sun Jan 31 22:04:37 1999 Richard Henderson + + * loop.c (recombine_givs): Dump recombination and derivation data. + Sun Jan 31 20:34:29 1999 Zack Weinberg * flags.h: Declare flag_no_ident. diff --git a/gcc/loop.c b/gcc/loop.c index 7c3204a20ad..4b03d367b46 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -7119,6 +7119,15 @@ recombine_givs (bl, loop_start, loop_end, unroll_p) last_giv->combined_with++; /* No need to update lifetimes / benefits here since we have already decided what to reduce. */ + + if (loop_dump_stream) + { + fprintf (loop_dump_stream, + "giv at %d recombined with giv at %d as ", + INSN_UID (v->insn), INSN_UID (last_giv->insn)); + print_rtl (loop_dump_stream, v->new_reg); + putc ('\n', loop_dump_stream); + } continue; } v = v->same; @@ -7324,6 +7333,15 @@ recombine_givs (bl, loop_start, loop_end, unroll_p) v->derived = 1; v->new_reg = v->dest_reg; life_end = stats[i].end_luid; + + if (loop_dump_stream) + { + fprintf (loop_dump_stream, + "giv at %d derived from %d as ", + INSN_UID (v->insn), INSN_UID (last_giv->insn)); + print_rtl (loop_dump_stream, v->new_reg); + putc ('\n', loop_dump_stream); + } } else if (rescan < 0) rescan = i;