boot2

Playing with the boostrap
git clone https://git.ryansepassi.com/git/boot2.git
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tccasm-arm64-quad.before (853B)

      1     case TOK_ASMDIR_quad:
      2 #ifdef TCC_TARGET_X86_64
      3 	size = 8;
      4 	goto asm_data;
      5 #else
      6         next();
      7         for(;;) {
      8 #if HAVE_LONG_LONG
      9             uint64_t vl;
     10 #else
     11             uint32_t vl;
     12 #endif
     13             const char *p;
     14 
     15             p = tokc.str.data;
     16             if (tok != TOK_PPNUM) {
     17             error_constant:
     18                 tcc_error("64 bit constant");
     19             }
     20             vl = strtoll(p, (char **)&p, 0);
     21             if (*p != '\0')
     22                 goto error_constant;
     23             next();
     24             if (sec->sh_type != SHT_NOBITS) {
     25                 /* XXX: endianness */
     26                 gen_le32(vl);
     27 #if HAVE_LONG_LONG
     28                 gen_le32(vl >> 32);
     29 #endif
     30             } else {
     31                 ind += 8;
     32             }
     33             if (tok != ',')
     34                 break;
     35             next();
     36         }
     37         break;
     38 #endif