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vm.c (OP_ENTER): address fast path.

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For method of fixed arguments only (no rest arguments, no keyword
arguments). Makes Fibonacci benchmark and ao_bench 4-5% faster.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-10-06 13:01:27 +09:00
parent df8295cbeb
commit 5d13733352
1 changed files with 19 additions and 3 deletions
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src/vm.c
+19 -3
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@@ -1977,7 +1977,26 @@ RETRY_TRY_BLOCK:
}
CASE(OP_ENTER, W) {
mrb_callinfo *ci = mrb->c->ci;
mrb_int argc = ci->n;
mrb_value *argv = regs+1;
mrb_int m1 = MRB_ASPEC_REQ(a);
/* no other args */
if ((a & ~0x7c0001) == 0 && argc < 15 && MRB_PROC_STRICT_P(proc)) {
if (argc != m1) {
argnum_error(mrb, m1);
goto L_RAISE;
}
/* clear local (but non-argument) variables */
mrb_int pos = m1+2; /* self+m1+blk */
if (irep->nlocals-pos > 0) {
stack_clear(&regs[pos], irep->nlocals-pos);
}
NEXT;
}
mrb_int o = MRB_ASPEC_OPT(a);
mrb_int r = MRB_ASPEC_REST(a);
mrb_int m2 = MRB_ASPEC_POST(a);
@@ -1987,9 +2006,6 @@ RETRY_TRY_BLOCK:
*/
mrb_int const len = m1 + o + r + m2;
mrb_callinfo *ci = mrb->c->ci;
mrb_int argc = ci->n;
mrb_value *argv = regs+1;
mrb_value * const argv0 = argv;
mrb_value blk = regs[mrb_ci_bidx(ci)];
mrb_value kdict = mrb_nil_value();