[gcc r17-2363] Show UNSPEC names on slim rtl dump
Nathan Sidwell via Gcc-cvs <[email protected]>
| Newsgroups | gmane.comp.gcc.cvs |
|---|---|
| Message-ID | <[email protected]> |
https://gcc.gnu.org/g:951a115cda17352b1801e30fa9aab3e69caa8452 commit r17-2363-g951a115cda17352b1801e30fa9aab3e69caa8452 Author: Nathan Sidwell <[email protected]> Date: Fri Jul 10 14:21:38 2026 -0400 Show UNSPEC names on slim rtl dump gcc/ * print-rtl.cc (rtx_writer::print_rtx_operand_code_i): Don't fallback to UNSPEC enums if there are any UNSPECV enums. (print_exp): Print unspec/unspecv name, when available. Diff: --- gcc/print-rtl.cc | 38 +++++++++++++++++++++++++++++++++++--- 1 file changed, 35 insertions(+), 3 deletions(-) diff --git a/gcc/print-rtl.cc b/gcc/print-rtl.cc index 8123e2abe80c..b969c6d82299 100644 --- a/gcc/print-rtl.cc +++ b/gcc/print-rtl.cc @@ -508,7 +508,11 @@ rtx_writer::print_rtx_operand_code_i (const_rtx in_rtx, int idx) #if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0 else if (idx == 1 && (GET_CODE (in_rtx) == UNSPEC - || GET_CODE (in_rtx) == UNSPEC_VOLATILE) +#if !(NUM_UNSPECV_VALUES > 0) + // Only accept unspec_volatiles, if there's no unspecv enum. + || GET_CODE (in_rtx) == UNSPEC_VOLATILE +#endif + || false) && XINT (in_rtx, 1) >= 0 && XINT (in_rtx, 1) < NUM_UNSPEC_VALUES) fprintf (m_outfile, " %s", unspec_strings[XINT (in_rtx, 1)]); @@ -1610,8 +1614,36 @@ print_exp (pretty_printer *pp, const_rtx x, int verbose) pp_comma (pp); print_pattern (pp, XVECEXP (x, 0, i), verbose); } - pp_string (pp, "] "); - pp_decimal_int (pp, XINT (x, 1)); + pp_string (pp, "]"); + const char *str = nullptr; + auto unspec = XINT (x, 1); +#if !defined(GENERATOR_FILE) + if (unspec < 0) + ; +#if NUM_UNSPECV_VALUES > 0 + else if (GET_CODE (x) == UNSPEC_VOLATILE + && unspec < NUM_UNSPECV_VALUES) + str = unspecv_strings[unspec]; +#endif +#if NUM_UNSPEC_VALUES > 0 + else if (true +#if NUM_UNSPECV_VALUES > 0 + // Only accept unspec_volatiles, if there's no unspecv enum. + && GET_CODE (x) == UNSPEC +#endif + && unspec < NUM_UNSPEC_VALUES) + str = unspec_strings[unspec]; +#endif +#endif + if (str) + { + // Strip leading UNSPEC[_] leaving FOO or V_FOO by convention. + if (0 == strncmp (str, "UNSPEC", 6)) + str += 6 + (str[6] == '_'); + pp_string (pp, str); + } + else + pp_decimal_int (pp, unspec); } break; default: