cmd/compile: fix MIPS Zero lower rule

A copy-paste error in CL 38150. Fix build.

Change-Id: Ib2afc83564ebe7dab934d45522803e1a191dea18
Reviewed-on: https://go-review.googlesource.com/38292
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>

diff --git a/src/cmd/compile/internal/ssa/gen/MIPS.rules b/src/cmd/compile/internal/ssa/gen/MIPS.rules
index a312aa5ab9c8230229a24a02b382bfc69c2b0cc1..93428d5b75ed4ed888953b697fc11e54ba54d08a 100644 (file)
--- a/src/cmd/compile/internal/ssa/gen/MIPS.rules
+++ b/src/cmd/compile/internal/ssa/gen/MIPS.rules
@@ -311,7 +311,7 @@
 
 // large or unaligned zeroing uses a loop
 (Zero [s] {t} ptr mem)
-       && (s > 16  || s%4 != 0) ->
+       && (s > 16  || t.(Type).Alignment()%4 != 0) ->
        (LoweredZero [t.(Type).Alignment()]
                ptr
                (ADDconst <ptr.Type> ptr [s-moveSize(t.(Type).Alignment(), config)])

diff --git a/src/cmd/compile/internal/ssa/rewriteMIPS.go b/src/cmd/compile/internal/ssa/rewriteMIPS.go
index 5ffbee6d978da3e19119523bd0efcee28b8f8e98..1816282a9d8ef79708868fffe492307d33737303 100644 (file)
--- a/src/cmd/compile/internal/ssa/rewriteMIPS.go
+++ b/src/cmd/compile/internal/ssa/rewriteMIPS.go
@@ -8926,14 +8926,14 @@ func rewriteValueMIPS_OpZero(v *Value, config *Config) bool {
                return true
        }
        // match: (Zero [s] {t} ptr mem)
-       // cond: (s > 16  || s%4 != 0)
+       // cond: (s > 16  || t.(Type).Alignment()%4 != 0)
        // result: (LoweredZero [t.(Type).Alignment()]          ptr             (ADDconst <ptr.Type> ptr [s-moveSize(t.(Type).Alignment(), config)])            mem)
        for {
                s := v.AuxInt
                t := v.Aux
                ptr := v.Args[0]
                mem := v.Args[1]
-               if !(s > 16 || s%4 != 0) {
+               if !(s > 16 || t.(Type).Alignment()%4 != 0) {
                        break
                }
                v.reset(OpMIPSLoweredZero)