src/hotspot/cpu/arm/sharedRuntime_arm.cpp

rev 54072 : 8213845: ARM32: Interpreter doesn't call result handler after native calls
Summary: Fix mapping of native jboolean result to 0..1 on ARM32
Reviewed-by: aph, phh
Contributed-by: christoph.goettschkes@microdoc.com

*** 1655,1664 ****
--- 1655,1669 ----
    // Set FPSCR/FPCR to a known state
    if (AlwaysRestoreFPU) {
      __ restore_default_fp_mode();
    }
  
+   // Ensure a Boolean result is mapped to 0..1
+   if (ret_type == T_BOOLEAN) {
+     __ c2bool(R0);
+   }
+ 
    // Do a safepoint check while thread is in transition state
    InlinedAddress safepoint_state(SafepointSynchronize::address_of_state());
    Label call_safepoint_runtime, return_to_java;
    __ mov(Rtemp, _thread_in_native_trans);
    __ ldr_literal(R2, safepoint_state);