diff options
Diffstat (limited to 'gcc/data-streamer-out.cc')
| -rw-r--r-- | gcc/data-streamer-out.cc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/data-streamer-out.cc b/gcc/data-streamer-out.cc index cd25745b8dc..afc9862062b 100644 --- a/gcc/data-streamer-out.cc +++ b/gcc/data-streamer-out.cc @@ -28,6 +28,8 @@ along with GCC; see the file COPYING3. If not see #include "gimple.h" #include "cgraph.h" #include "data-streamer.h" +#include "value-range.h" +#include "streamer-hooks.h" /* Adds a new block to output stream OBS. */ @@ -392,6 +394,55 @@ streamer_write_data_stream (struct lto_output_stream *obs, const void *data, } } +/* Write REAL_VALUE_TYPE into OB. */ + +void +streamer_write_real_value (struct output_block *ob, const REAL_VALUE_TYPE *r) +{ + bitpack_d bp = bitpack_create (ob->main_stream); + bp_pack_real_value (&bp, r); + streamer_write_bitpack (&bp); +} + +void +streamer_write_vrange (struct output_block *ob, const vrange &v) +{ + gcc_checking_assert (!v.undefined_p ()); + + // Write the common fields to all vranges. + value_range_kind kind = v.varying_p () ? VR_VARYING : VR_RANGE; + streamer_write_enum (ob->main_stream, value_range_kind, VR_LAST, kind); + stream_write_tree (ob, v.type (), true); + + if (is_a <irange> (v)) + { + const irange &r = as_a <irange> (v); + streamer_write_uhwi (ob, r.num_pairs ()); + for (unsigned i = 0; i < r.num_pairs (); ++i) + { + streamer_write_wide_int (ob, r.lower_bound (i)); + streamer_write_wide_int (ob, r.upper_bound (i)); + } + streamer_write_wide_int (ob, r.get_nonzero_bits ()); + return; + } + if (is_a <frange> (v)) + { + const frange &r = as_a <frange> (v); + REAL_VALUE_TYPE lb = r.lower_bound (); + REAL_VALUE_TYPE ub = r.upper_bound (); + streamer_write_real_value (ob, &lb); + streamer_write_real_value (ob, &ub); + bitpack_d bp = bitpack_create (ob->main_stream); + nan_state nan = r.get_nan_state (); + bp_pack_value (&bp, nan.pos_p (), 1); + bp_pack_value (&bp, nan.neg_p (), 1); + streamer_write_bitpack (&bp); + return; + } + gcc_unreachable (); +} + /* Emit the physical representation of wide_int VAL to output block OB. */ void |