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Optimizations to subr-call

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* libguile/jit.c (compile_subr_call): Optimizations.
This commit is contained in:
Andy Wingo 2018-08-23 10:27:27 +02:00
parent 01a79bed89
commit fd1deab3c3
1 changed files with 3 additions and 5 deletions
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8
libguile/jit.c
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@ -1082,18 +1082,15 @@ compile_subr_call (scm_jit_state *j, uint32_t idx)
subr = scm_subr_function_by_index (idx);
emit_store_current_ip (j, t);
emit_load_fp (j, fp);
jit_prepare ();
for (i = 0; i < j->frame_size; i++)
for (i = 2; i <= j->frame_size; i++)
{
emit_fp_ref_scm (j, t, fp, i);
emit_sp_ref_scm (j, t, j->frame_size - i);
jit_pushargr (t);
}
jit_finishi (subr);
jit_retval (ret);
emit_load_fp (j, fp);
immediate = emit_branch_if_immediate (j, ret);
not_values = emit_branch_if_heap_object_not_tc7 (j, ret, t, scm_tc7_values);
emit_call_r_r (j, scm_vm_intrinsics.unpack_values_object, THREAD, ret);
@ -1102,6 +1099,7 @@ compile_subr_call (scm_jit_state *j, uint32_t idx)
jit_patch (immediate);
jit_patch (not_values);
emit_load_fp (j, fp);
emit_subtract_stack_slots (j, SP, fp, 1);
emit_store_sp (j);
jit_str (SP, ret);