| // Copyright 2016 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| (Add32 x y) -> (ADD x y) |
| |
| (Const32 [val]) -> (MOVWconst [val]) |
| |
| (Less32 x y) -> (LessThan (CMP x y)) |
| |
| (OffPtr [off] ptr) -> (ADD (MOVWconst <config.Frontend().TypeInt32()> [off]) ptr) |
| |
| (Addr {sym} base) -> (ADDconst {sym} base) |
| |
| (Load <t> ptr mem) && is32BitInt(t) -> (MOVWload ptr mem) |
| (Store [4] ptr val mem) -> (MOVWstore ptr val mem) |
| |
| (StaticCall [argwid] {target} mem) -> (CALLstatic [argwid] {target} mem) |
| |
| // Absorb LessThan into blocks. |
| (If (LessThan cc) yes no) -> (LT cc yes no) |
| |
| |
| |
| // Optimizations |
| |
| (ADD (MOVWconst [c]) x) -> (ADDconst [c] x) |
| (ADD x (MOVWconst [c])) -> (ADDconst [c] x) |
| (MOVWload [off1] {sym1} (ADDconst [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) -> |
| (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) |
| (MOVWstore [off1] {sym1} (ADDconst [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) -> |
| (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) |
