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Remove check for instrument-entry

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* libguile/jit.c (emit_indirect_tail_call): If everything starts with
  instrument-entry, and thus has a vcode pointer, no need to emit a
  dynamic check.
This commit is contained in:
Andy Wingo 2019-05-27 19:22:23 +02:00
parent 9c5098ab25
commit 1128dbc444
1 changed files with 0 additions and 7 deletions
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7
libguile/jit.c
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@ -797,13 +797,6 @@ static void
emit_indirect_tail_call (scm_jit_state *j) emit_indirect_tail_call (scm_jit_state *j)
{ {
emit_get_callee_vcode (j, T0); emit_get_callee_vcode (j, T0);
/* FIXME: If all functions start with instrument-entry, no need for
this check. */
emit_get_vcode_low_byte (j, T1, T0);
jit_reloc_t instrumented = jit_beqi (j->jit, T1, scm_op_instrument_entry);
jit_breakpoint (j->jit);
jit_patch_here (j->jit, instrumented);
emit_get_ip_relative_addr (j, T1, T0, 1); emit_get_ip_relative_addr (j, T1, T0, 1);
emit_ldxi (j, T1, T1, 0); emit_ldxi (j, T1, T1, 0);
jit_reloc_t no_mcode = jit_beqi (j->jit, T1, 0); jit_reloc_t no_mcode = jit_beqi (j->jit, T1, 0);