code review 123640043: runtime: convert common scheduler functions to Go

src/pkg/runtime/asm_arm.s

 // Copyright 2009 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.
 
 #include "zasm_GOOS_GOARCH.h"
 #include "funcdata.h"
 #include "../../cmd/ld/textflag.h"
 
 // using frame size $-4 means do not save LR on stack.
 TEXT _rt0_go(SB),NOSPLIT,$-4
@@ skipping 633 matching lines @@
         MOVW    $-4(R0), R0
         RET
 
 TEXT runtime·emptyfunc(SB),0,$0-0
         RET
 
 TEXT runtime·abort(SB),NOSPLIT,$-4-0
         MOVW    $0, R0
         MOVW    (R0), R1
 
+TEXT runtime·gocputicks(SB),NOSPLIT,$4-8
+        ADD     $8, SP, R0
+        MOVW    R0, 0(SP)
+        BL      runtime·cputicks(SB)
+        RET
+
 // bool armcas(int32 *val, int32 old, int32 new)
 // Atomically:
 //      if(*val == old){
 //              *val = new;
 //              return 1;
 //      }else
 //              return 0;
 //
 // To implement runtime·cas in sys_$GOOS_arm.s
 // using the native instructions, use:
@@ skipping 580 matching lines @@
         RET
 
 TEXT runtime·fastrand2(SB), NOSPLIT, $-4-4
         MOVW    g_m(g), R1
         MOVW    m_fastrand(R1), R0
         ADD.S   R0, R0
         EOR.MI  $0x88888eef, R0
         MOVW    R0, m_fastrand(R1)
         MOVW    R0, ret+0(FP)
         RET