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[cff] Micro-optimize fetch_op

This commit is contained in:
Behdad Esfahbod 2022-11-23 13:19:38 -07:00
parent 0bf7d9eb4d
commit dcce53ddcb
1 changed files with 4 additions and 2 deletions
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6
src/hb-cff-interp-common.hh
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@ -305,6 +305,8 @@ struct byte_str_ref_t
return str.arrayZ[get_offset () + i];
}
unsigned char head_unchecked () const { return str.arrayZ[get_offset ()]; }
/* Conversion to hb_ubytes_t */
operator hb_ubytes_t () const { return str.sub_array (get_offset ()); }
@ -576,12 +578,12 @@ struct interp_env_t
op_code_t op = OpCode_Invalid;
if (unlikely (!str_ref.avail ()))
return OpCode_Invalid;
op = (op_code_t)(unsigned char)str_ref[0];
op = (op_code_t) str_ref.head_unchecked ();
str_ref.inc ();
if (op == OpCode_escape) {
if (unlikely (!str_ref.avail ()))
return OpCode_Invalid;
op = Make_OpCode_ESC(str_ref[0]);
op = Make_OpCode_ESC (str_ref.head_unchecked ());
str_ref.inc ();
}
return op;