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[PATCH, committed] Fix 64-bit AIX exception handling


	When Jakub updated the rs6000 port exception handling last year,
the change to aix.h used the PPC64 Linux macro to test for 64-bit mode
instead of the AIX macro.  Committed to both mainline and 3.4 branch.

David


	PR target/17277
	* config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
	choose 64-bit version.

Index: aix.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/rs6000/aix.h,v
retrieving revision 1.48
diff -c -p -r1.48 aix.h
*** aix.h	13 Jul 2004 07:45:04 -0000	1.48
--- aix.h	11 Sep 2004 16:51:39 -0000
***************
*** 228,234 ****
     code that does the save/restore is generated by the linker, so
     we have no good way to determine at compile time what to do.  */
  
! #ifdef __powerpc64__
  #define MD_FROB_UPDATE_CONTEXT(CTX, FS)					\
    do {									\
      if ((FS)->regs.reg[2].how == REG_UNSAVED)				\
--- 228,234 ----
     code that does the save/restore is generated by the linker, so
     we have no good way to determine at compile time what to do.  */
  
! #ifdef __64BIT__
  #define MD_FROB_UPDATE_CONTEXT(CTX, FS)					\
    do {									\
      if ((FS)->regs.reg[2].how == REG_UNSAVED)				\


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