From: Hans-Peter Nilsson <hp@axis.com>
To: <gcc-patches@gcc.gnu.org>
Subject: [PATCH] debug: Support "phrs" for dumping a HARD_REG_SET
Date: Tue, 14 Feb 2023 03:33:46 +0100 [thread overview]
Message-ID: <20230214023346.2A85B20423@pchp3.se.axis.com> (raw)
Ok to commit? It survived both a cris-elf regtest and a
x86_64-linux-gnu native regtest. :)
---- 8< ----
The debug-function in sel-sched-dump.cc that would be
suitable for a hookup to a command in gdb is guarded by
#ifdef INSN_SCHEDULING, thus can't be used for all targets.
Better move the function marked DEBUG_FUNCTION elsewhere,
here to a file with a suitable static function to call.
There are multiple sets of similar functions dumping
HARD_REG_SETs, but cleaning that up is better left to a
separate commit.
gcc:
* gdbinit.in (phrs): New command.
* sel-sched-dump.cc (debug_hard_reg_set): Remove debug-function.
* ira-color.cc (debug_hard_reg_set): New, calling print_hard_reg_set.
---
gcc/gdbinit.in | 12 ++++++++++++
gcc/ira-color.cc | 7 +++++++
gcc/sel-sched-dump.cc | 10 ----------
3 files changed, 19 insertions(+), 10 deletions(-)
diff --git a/gcc/gdbinit.in b/gcc/gdbinit.in
index 1f7592b0e26a..a76079a46af7 100644
--- a/gcc/gdbinit.in
+++ b/gcc/gdbinit.in
@@ -31,6 +31,7 @@ GCC gdbinit file introduces several debugging shorthands:
pdd [dw_die_ref],
pbm [bitmap],
pel [location_t],
+ phrs [HARD_REG_SET]
pp, pbs, pcfun
They are generally implemented by calling a function that prints to stderr,
@@ -145,6 +146,17 @@ Print given GENERIC expression in C syntax.
See also 'help-gcc-hooks'.
end
+define phrs
+eval "set $debug_arg = $%s", $argc ? "arg0" : ""
+call debug_hard_reg_set ($debug_arg)
+end
+
+document phrs
+GCC hook: debug_hard_reg_set (HARD_REG_SET)
+Print given HARD_REG_SET.
+See also 'help-gcc-hooks'.
+end
+
define pmz
eval "set $debug_arg = $%s", $argc ? "arg0" : ""
call mpz_out_str(stderr, 10, $debug_arg)
diff --git a/gcc/ira-color.cc b/gcc/ira-color.cc
index fe6dfc6e7692..1fb2958bddd0 100644
--- a/gcc/ira-color.cc
+++ b/gcc/ira-color.cc
@@ -512,6 +512,13 @@ print_hard_reg_set (FILE *f, HARD_REG_SET set, bool new_line_p)
fprintf (f, "\n");
}
+/* Dump a hard reg set SET to stderr. */
+DEBUG_FUNCTION void
+debug_hard_reg_set (HARD_REG_SET set)
+{
+ print_hard_reg_set (stderr, set, true);
+}
+
/* Print allocno hard register subforest given by ROOTS and its LEVEL
to F. */
static void
diff --git a/gcc/sel-sched-dump.cc b/gcc/sel-sched-dump.cc
index b4eef8803df9..05de98409375 100644
--- a/gcc/sel-sched-dump.cc
+++ b/gcc/sel-sched-dump.cc
@@ -986,16 +986,6 @@ debug_blist (blist_t bnds)
restore_dump ();
}
-/* Dump a hard reg set SET to stderr. */
-DEBUG_FUNCTION void
-debug_hard_reg_set (HARD_REG_SET set)
-{
- switch_dump (stderr);
- dump_hard_reg_set ("", set);
- sel_print ("\n");
- restore_dump ();
-}
-
/* Debug a cfg region with default flags. */
void
sel_debug_cfg (void)
--
2.30.2
next reply other threads:[~2023-02-14 2:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 2:33 Hans-Peter Nilsson [this message]
2023-02-14 9:57 ` Richard Sandiford
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