From a91c8b01c3ae1f162ff517954297a5ee4a4dc046 Mon Sep 17 00:00:00 2001 From: dmalcolm Date: Thu, 29 Sep 2016 19:01:41 +0000 Subject: [PATCH] Machine-readable RTL dumps: print_rtx_function gcc/ChangeLog: * Makefile.in (OBJS): Add print-rtl-function.o. * print-rtl-function.c: New file. * print-rtl.h (print_rtx_function): New decl. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240634 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 +++ gcc/Makefile.in | 1 + gcc/print-rtl-function.c | 131 +++++++++++++++++++++++++++++++++++++++++++++++ gcc/print-rtl.h | 2 + 4 files changed, 140 insertions(+) create mode 100644 gcc/print-rtl-function.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d9f7844c971..7264cfffcfb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-09-29 David Malcolm + + * Makefile.in (OBJS): Add print-rtl-function.o. + * print-rtl-function.c: New file. + * print-rtl.h (print_rtx_function): New decl. + 2016-09-29 Uros Bizjak PR target/77756 diff --git a/gcc/Makefile.in b/gcc/Makefile.in index ff12908912e..15c48bcd7e5 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1405,6 +1405,7 @@ OBJS = \ postreload.o \ predict.o \ print-rtl.o \ + print-rtl-function.o \ print-tree.o \ profile.o \ real.o \ diff --git a/gcc/print-rtl-function.c b/gcc/print-rtl-function.c new file mode 100644 index 00000000000..c4b99c03a37 --- /dev/null +++ b/gcc/print-rtl-function.c @@ -0,0 +1,131 @@ +/* Print RTL functions for GCC. + Copyright (C) 2016 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "rtl.h" +#include "alias.h" +#include "tree.h" +#include "cfg.h" +#include "flags.h" +#include "predict.h" +#include "function.h" +#include "basic-block.h" +#include "print-rtl.h" +#include "langhooks.h" +#include "emit-rtl.h" + +/* Write FN to OUTFILE in a form suitable for parsing, with indentation + and comments to make the structure easy for a human to grok. + + Example output: + + (function "times_two" + (insn-chain + (note 1 0 4 (nil) NOTE_INSN_DELETED) + (note 4 1 2 2 [bb 2] NOTE_INSN_BASIC_BLOCK) + (insn 2 4 3 2 (set (mem/c:SI (plus:DI (reg/f:DI 82 virtual-stack-vars) + (const_int -4 [0xfffffffffffffffc])) [1 i+0 S4 A32]) + (reg:SI 5 di [ i ])) t.c:2 -1 + (nil)) + (note 3 2 6 2 NOTE_INSN_FUNCTION_BEG) + (insn 6 3 7 2 (set (reg:SI 89) + (mem/c:SI (plus:DI (reg/f:DI 82 virtual-stack-vars) + (const_int -4 [0xfffffffffffffffc])) [1 i+0 S4 A32])) t.c:3 -1 + (nil)) + (insn 7 6 10 2 (parallel [ + (set (reg:SI 87 [ _2 ]) + (ashift:SI (reg:SI 89) + (const_int 1 [0x1]))) + (clobber (reg:CC 17 flags)) + ]) t.c:3 -1 + (expr_list:REG_EQUAL (ashift:SI (mem/c:SI (plus:DI (reg/f:DI 82 virtual-stack-vars) + (const_int -4 [0xfffffffffffffffc])) [1 i+0 S4 A32]) + (const_int 1 [0x1])) + (nil))) + (insn 10 7 14 2 (set (reg:SI 88 [ ]) + (reg:SI 87 [ _2 ])) t.c:3 -1 + (nil)) + (insn 14 10 15 2 (set (reg/i:SI 0 ax) + (reg:SI 88 [ ])) t.c:4 -1 + (nil)) + (insn 15 14 0 2 (use (reg/i:SI 0 ax)) t.c:4 -1 + (nil)) + ) ;; insn-chain + (cfg + (bb 0 + (edge 0 2 (flags 0x1)) + ) ;; bb + (bb 2 + (edge 2 1 (flags 0x1)) + ) ;; bb + (bb 1 + ) ;; bb + ) ;; cfg + (crtl + (return_rtx + (reg/i:SI 0 ax) + ) ;; return_rtx + ) ;; crtl + ) ;; function "times_two" +*/ + +DEBUG_FUNCTION void +print_rtx_function (FILE *outfile, function *fn) +{ + tree fdecl = fn->decl; + + const char *dname = lang_hooks.decl_printable_name (fdecl, 2); + + fprintf (outfile, "(function \"%s\"\n", dname); + + /* The instruction chain. */ + fprintf (outfile, " (insn-chain\n"); + for (rtx_insn *insn = get_insns (); insn; insn = NEXT_INSN (insn)) + print_rtl_single_with_indent (outfile, insn, 4); + fprintf (outfile, " ) ;; insn-chain\n"); + + /* The CFG. */ + fprintf (outfile, " (cfg\n"); + { + basic_block bb; + FOR_ALL_BB_FN (bb, fn) + { + fprintf (outfile, " (bb %i\n", bb->index); + edge e; + edge_iterator ei; + FOR_EACH_EDGE (e, ei, bb->succs) + fprintf (outfile, " (edge %i %i (flags 0x%x))\n", + e->src->index, e->dest->index, e->flags); + fprintf (outfile, " ) ;; bb\n"); + } + } + fprintf (outfile, " ) ;; cfg\n"); + + /* Additional RTL state. */ + fprintf (outfile, " (crtl\n"); + fprintf (outfile, " (return_rtx \n"); + print_rtl_single_with_indent (outfile, crtl->return_rtx, 6); + fprintf (outfile, " ) ;; return_rtx\n"); + fprintf (outfile, " ) ;; crtl\n"); + + fprintf (outfile, ") ;; function \"%s\"\n", dname); +} diff --git a/gcc/print-rtl.h b/gcc/print-rtl.h index e585a639602..9cad683ed89 100644 --- a/gcc/print-rtl.h +++ b/gcc/print-rtl.h @@ -36,4 +36,6 @@ extern void print_insn (pretty_printer *pp, const rtx_insn *x, int verbose); extern void rtl_dump_bb_for_graph (pretty_printer *, basic_block); extern const char *str_pattern_slim (const_rtx); +extern void print_rtx_function (FILE *file, function *fn); + #endif // GCC_PRINT_RTL_H -- 2.11.4.GIT