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Hello, Following the RFC message: http://gcc.gnu.org/ml/gcc-patches/2009-09/msg00129.html; attached is the patch for adding a new target hook function for checking misalignment. The patch was tested on Power7 and x86. OK for mainline? Thanks, Revital * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document. * targhooks.c (default_builtin_support_vector_misalignment): New builtin function. * targhooks.h (default_builtin_support_vector_misalignment): Declare. * target.h (builtin_support_vector_misalignment): New field in struct gcc_target. * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call new builtin function. * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define. * config/rs6000/rs6000.c (rs6000_builtin_support_vector_misalignment): New function. (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define. (See attached file: misalign_15_9.txt)
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misalign_15_9.txt
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