[Qemu-devel] [Bug 702885] [NEW] "Internal resource leak" error with ARM NEON vmull.s32 insn

[Wolfgang Schildbach]

Public bug reported:

This bug occurs in qemu, commit 78a59470e6bbc6e16dc4033767492649c1ae4cfd
(most recent as of 01/14/2011).

Compile, assemble, and link the code below, with the ARM tools. (I use
ARM C/C++ Compiler, 4.1 [Build 462]).

armasm --cpu Cortex-A8 --licensing=flex foo.s
armcc --cpu Cortex-A8 --licensing=flex -o main -L--sysv main.c foo.o

Execute on qemu-arm and observe an "Internal resource leak" message.

> qemu-arm main
Internal resource leak before 0000818c

- Wolfgang

main.c:
int main(void)
{
  void foofunc(void);
  foofunc();

  return 0 ;
}


foo.s:
    ARM
    REQUIRE8
    PRESERVE8
    AREA code, CODE, READONLY, ALIGN=2
   
foofunc PROC
    VMULL.S32 q1, d2, d4
    MOV     pc, lr

    ENDP
      
    EXPORT foofunc [CODE]
    END

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/702885

Title:
  "Internal resource leak" error with ARM NEON vmull.s32 insn

Status in QEMU:
  New

Bug description:
  This bug occurs in qemu, commit
  78a59470e6bbc6e16dc4033767492649c1ae4cfd (most recent as of
  01/14/2011).

  Compile, assemble, and link the code below, with the ARM tools. (I use
  ARM C/C++ Compiler, 4.1 [Build 462]).

  armasm --cpu Cortex-A8 --licensing=flex foo.s
  armcc --cpu Cortex-A8 --licensing=flex -o main -L--sysv main.c foo.o

  Execute on qemu-arm and observe an "Internal resource leak" message.

  > qemu-arm main
  Internal resource leak before 0000818c

  - Wolfgang

  main.c:
  int main(void)
  {
    void foofunc(void);
    foofunc();

    return 0 ;
  }

  
  foo.s:
      ARM
      REQUIRE8
      PRESERVE8
      AREA code, CODE, READONLY, ALIGN=2
     
  foofunc PROC
      VMULL.S32 q1, d2, d4
      MOV     pc, lr

      ENDP
        
      EXPORT foofunc [CODE]
      END