code review 9251043: runtime: make arm signal handler call runtime.badsignal

src/pkg/runtime/sys_netbsd_arm.s

 // Copyright 2013 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.
 //
 // System calls and other sys.stuff for ARM, NetBSD
 // /usr/src/sys/kern/syscalls.master for syscall numbers.
 //
 
 #include "zasm_GOOS_GOARCH.h"
 
@@ skipping 188 matching lines @@
 
 TEXT runtime·sigtramp(SB),7,$24
         // this might be called in external code context,
         // where g and m are not set.
         // first save R0, because _cgo_load_gm will clobber it
         MOVW    R0, 4(R13) // signum
         MOVW    _cgo_load_gm(SB), R0
         CMP     $0, R0
         BL.NE   (R0)
 
-        CMP             $0, m
-        BNE             3(PC)
+        CMP $0, m
+        BNE 3(PC)
         // signal number is already prepared in 4(R13)
-        BL      runtime·badsignal(SB)
+        BL runtime·badsignal(SB)
         RET
 
         // save g
         MOVW R10, R4
         MOVW R10, 20(R13)
 
         // g = m->signal
         MOVW m_gsignal(R9), R10
 
         // R0 is already saved
@@ skipping 72 matching lines @@
 // TODO(minux): this is only valid for ARMv6+
 // bool armcas(int32 *val, int32 old, int32 new)
 // Atomically:
 //      if(*val == old){
 //              *val = new;
 //              return 1;
 //      }else
 //              return 0;
 TEXT runtime·cas(SB),7,$0
         B runtime·armcas(SB)