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Viewing changes to gcc/gcc/config/spu/spu_mfcio.h

  • Committer: Bazaar Package Importer
  • Author(s): Wesley J. Landaker
  • Date: 2009-04-02 21:23:07 UTC
  • mfrom: (1.1.11 upstream) (3.2.2 squeeze)
  • Revision ID: james.westby@ubuntu.com-20090402212307-01pkh97q9b3u1vea
Tags: 0.27+svn110+gcc4.3.3+dfsg-1
* Now using gcc-4.3.3
* Updated copyright information
* Added Vcs-Git information
* Updated to policy 3.8.1 

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gcc/gcc/config/spu/spu_mfcio.h
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#define spu_write_srr0(srr0)          spu_writech(SPU_WrSRR0,srr0)
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#define spu_read_srr0()               spu_readch(SPU_RdSRR0)
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/* Interrupt-Safe Critical Sections */
 
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static __inline__ unsigned int mfc_begin_critical_section (void)
 
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  __attribute__ ((__always_inline__));
 
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static __inline__ unsigned int
 
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mfc_begin_critical_section (void)
 
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{
 
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#ifdef SPU_MFCIO_INTERRUPT_SAFE
 
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  unsigned int __status = spu_read_machine_status ();
 
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  spu_idisable ();
 
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  return __status;
 
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#else
 
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  return 0;
 
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#endif
 
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}
 
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static __inline__ void mfc_end_critical_section (unsigned int)
 
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  __attribute__ ((__always_inline__));
 
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static __inline__ void
 
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mfc_end_critical_section (unsigned int __status __attribute__ ((__unused__)))
 
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{
 
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#ifdef SPU_MFCIO_INTERRUPT_SAFE
 
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  if (__status & 1)
 
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    spu_ienable ();
 
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#endif
 
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}
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/* MFC Tag Manager */
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