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| author | Andreas Rumpf <rumpf_a@web.de> | 2017-05-01 09:30:56 +0200 |
|---|---|---|
| committer | Andreas Rumpf <rumpf_a@web.de> | 2017-05-01 09:30:56 +0200 |
| commit | 56a5c249c95950e7c064f4d2b660de6fc1fb5674 (patch) | |
| tree | 61d9339a65435011716383db18a920419fbd5af7 /compiler | |
| parent | 3d34a9f6d34809a481024a687ed5f4d712a9b961 (diff) | |
| download | Nim-56a5c249c95950e7c064f4d2b660de6fc1fb5674.tar.gz | |
JS codegen: produce better code for constant sets
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/jsgen.nim | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim index ad988d1b0..eb3fb9f47 100644 --- a/compiler/jsgen.nim +++ b/compiler/jsgen.nim @@ -1864,8 +1864,8 @@ proc genMagic(p: PProc, n: PNode, r: var TCompRes) = proc genSetConstr(p: PProc, n: PNode, r: var TCompRes) = var a, b: TCompRes - useMagic(p, "SetConstr") - r.res = rope("SetConstr(") + useMagic(p, "setConstr") + r.res = rope("setConstr(") r.kind = resExpr for i in countup(0, sonsLen(n) - 1): if i > 0: add(r.res, ", ") @@ -1878,6 +1878,12 @@ proc genSetConstr(p: PProc, n: PNode, r: var TCompRes) = gen(p, it, a) add(r.res, a.res) add(r.res, ")") + # emit better code for constant sets: + if p.target == targetJS and isDeepConstExpr(n): + inc(p.g.unique) + let tmp = rope("ConstSet") & rope(p.g.unique) + addf(p.g.constants, "var $1 = $2;$n", [tmp, r.res]) + r.res = tmp proc genArrayConstr(p: PProc, n: PNode, r: var TCompRes) = var a: TCompRes |