diff options
Diffstat (limited to 'gcc/print-rtl.c')
| -rw-r--r-- | gcc/print-rtl.c | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c index 5d7cd5feebb..25f7e01bc8a 100644 --- a/gcc/print-rtl.c +++ b/gcc/print-rtl.c @@ -55,6 +55,11 @@ static int indent; static void print_rtx PARAMS ((rtx)); +/* String printed at beginning of each RTL when it is dumped. + This string is set to ASM_COMMENT_START when the RTL is dumped in + the assembly output file. */ +char *print_rtx_head = ""; + /* Nonzero means suppress output of instruction numbers and line number notes in debugging dumps. This must be defined here so that programs like gencodes can be linked. */ @@ -63,6 +68,9 @@ int flag_dump_unnumbered = 0; /* Nonzero if we are dumping graphical description. */ int dump_for_graph; +/* Nonzero to dump all call_placeholder alternatives. */ +static int debug_call_placeholder_verbose; + /* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */ static void @@ -77,8 +85,9 @@ print_rtx (in_rtx) if (sawclose) { - fprintf (outfile, "\n%s", - (xspaces + (sizeof xspaces - 1 - indent * 2))); + fprintf (outfile, "\n%s%s", + print_rtx_head, + (xspaces + (sizeof xspaces - 1 - indent * 2))); sawclose = 0; } @@ -253,7 +262,8 @@ print_rtx (in_rtx) indent += 2; if (sawclose) { - fprintf (outfile, "\n%s", + fprintf (outfile, "\n%s%s", + print_rtx_head, (xspaces + (sizeof xspaces - 1 - indent * 2))); sawclose = 0; } @@ -270,7 +280,8 @@ print_rtx (in_rtx) indent -= 2; } if (sawclose) - fprintf (outfile, "\n%s", + fprintf (outfile, "\n%s%s", + print_rtx_head, (xspaces + (sizeof xspaces - 1 - indent * 2))); fputs ("] ", outfile); @@ -421,6 +432,37 @@ print_rtx (in_rtx) break; case CALL_PLACEHOLDER: + if (debug_call_placeholder_verbose) + { + fputs (" (cond [\n (const_string \"normal\") (sequence [", outfile); + for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem)) + { + fputs ("\n ", outfile); + print_inline_rtx (outfile, tem, 4); + } + + tem = XEXP (in_rtx, 1); + if (tem) + fputs ("\n ])\n (const_string \"tail_call\") (sequence [", outfile); + for (; tem != 0; tem = NEXT_INSN (tem)) + { + fputs ("\n ", outfile); + print_inline_rtx (outfile, tem, 4); + } + + tem = XEXP (in_rtx, 2); + if (tem) + fputs ("\n ])\n (const_string \"tail_recursion\") (sequence [", outfile); + for (; tem != 0; tem = NEXT_INSN (tem)) + { + fputs ("\n ", outfile); + print_inline_rtx (outfile, tem, 4); + } + + fputs ("\n ])\n ])", outfile); + break; + } + for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem)) if (GET_CODE (tem) == CALL_INSN) { @@ -566,7 +608,10 @@ print_rtl (outf, rtx_first) sawclose = 0; if (rtx_first == 0) - fputs ("(nil)\n", outf); + { + fputs (print_rtx_head, outf); + fputs ("(nil)\n", outf); + } else switch (GET_CODE (rtx_first)) { @@ -580,12 +625,14 @@ print_rtl (outf, rtx_first) if (! flag_dump_unnumbered || GET_CODE (tmp_rtx) != NOTE || NOTE_LINE_NUMBER (tmp_rtx) < 0) { + fputs (print_rtx_head, outfile); print_rtx (tmp_rtx); fprintf (outfile, "\n"); } break; default: + fputs (print_rtx_head, outfile); print_rtx (rtx_first); } } @@ -603,6 +650,7 @@ print_rtl_single (outf, x) if (! flag_dump_unnumbered || GET_CODE (x) != NOTE || NOTE_LINE_NUMBER (x) < 0) { + fputs (print_rtx_head, outfile); print_rtx (x); putc ('\n', outf); return 1; |