admin/mruby-mruby
1
0
Fork 0
mirror of https://github.com/mruby/mruby synced 2026-06-08 16:11:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

codegen.c: optimize OP_SETUPVAR after OP_MOVE.

Browse Source
This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-07-17 08:10:33 +09:00
parent 3401396a16
commit 4dda97502b
1 changed files with 15 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mrbgems/mruby-compiler/core/codegen.c
+15 -2
View File
@@ -515,6 +515,20 @@ gen_getupvar(codegen_scope *s, uint16_t dst, mrb_sym id)
genop_3(s, OP_GETUPVAR, dst, idx, lv);
}
static void
gen_setupvar(codegen_scope *s, uint16_t dst, mrb_sym id)
{
int idx;
int lv = search_upvar(s, id, &idx);
struct mrb_insn_data data = mrb_last_insn(s);
if (!no_peephole(s) && data.insn == OP_MOVE && data.a == dst) {
dst = data.b;
s->pc = s->lastpc;
}
genop_3(s, OP_SETUPVAR, dst, idx, lv);
}
static void
gen_return(codegen_scope *s, uint8_t op, uint16_t src)
{
@@ -1311,8 +1325,7 @@ gen_assignment(codegen_scope *s, node *tree, int sp, int val)
break;
}
else { /* upvar */
int lv = search_upvar(s, nsym(tree), &idx);
genop_3(s, OP_SETUPVAR, sp, idx, lv);
gen_setupvar(s, sp, nsym(tree));
}
break;
case NODE_NVAR: