ceph/src/isa-l/igzip/encode_df.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <memory.h>
   5 #include <assert.h>
   6
   7 #if __x86_64__  || __i386__ || _M_X64 || _M_IX86
   8 #ifdef _MSC_VER
   9 # include <intrin.h>
  10 #else
  11 # include <x86intrin.h>
  12 #endif
  13 #endif //__x86_64__  || __i386__ || _M_X64 || _M_IX86
  14
  15 #include "encode_df.h"
  16 #include "bitbuf2.h"
  17
  18 struct deflate_icf *encode_deflate_icf_base(struct deflate_icf *next_in,
  19                                             struct deflate_icf *end_in, struct BitBuf2 *bb,
  20                                             struct hufftables_icf *hufftables)
  21 {
  22         struct huff_code lsym, dsym;
  23
  24         while (next_in < end_in && !is_full(bb)) {
  25                 lsym = hufftables->lit_len_table[next_in->lit_len];
  26                 dsym = hufftables->dist_lit_table[next_in->lit_dist];
  27
  28                 // insert ll code, dist_code, and extra_bits
  29                 write_bits_unsafe(bb, lsym.code_and_extra, lsym.length);
  30                 write_bits_unsafe(bb, dsym.code, dsym.length);
  31                 write_bits_unsafe(bb, next_in->dist_extra, dsym.extra_bit_count);
  32                 flush_bits(bb);
  33
  34                 next_in++;
  35         }
  36
  37         return next_in;
  38 }