diff options
Diffstat (limited to 'gcc/lto-section-out.c')
| -rw-r--r-- | gcc/lto-section-out.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/lto-section-out.c b/gcc/lto-section-out.c index 234d63eaabd..55c9d8d165f 100644 --- a/gcc/lto-section-out.c +++ b/gcc/lto-section-out.c @@ -330,6 +330,48 @@ lto_output_sleb128_stream (struct lto_output_stream *obs, HOST_WIDE_INT work) } +/* Pack WORK into BP in a variant of uleb format. */ + +void +bp_pack_var_len_unsigned (struct bitpack_d *bp, unsigned HOST_WIDE_INT work) +{ + do + { + unsigned int half_byte = (work & 0x7); + work >>= 3; + if (work != 0) + /* More half_bytes to follow. */ + half_byte |= 0x8; + + bp_pack_value (bp, half_byte, 4); + } + while (work != 0); +} + + +/* Pack WORK into BP in a variant of sleb format. */ + +void +bp_pack_var_len_int (struct bitpack_d *bp, HOST_WIDE_INT work) +{ + int more, half_byte; + + do + { + half_byte = (work & 0x7); + /* arithmetic shift */ + work >>= 3; + more = !((work == 0 && (half_byte & 0x4) == 0) + || (work == -1 && (half_byte & 0x4) != 0)); + if (more) + half_byte |= 0x8; + + bp_pack_value (bp, half_byte, 4); + } + while (more); +} + + /* Lookup NAME in ENCODER. If NAME is not found, create a new entry in ENCODER for NAME with the next available index of ENCODER, then print the index to OBS. True is returned if NAME was added to |