I am using Shark and xlfortran. Shark gives me a message I don't understand :
This instruction is the start of a loop that is not aligned to a 32-byte address boundary. For optimal performance on PPC970, you should align the start of a hot loop using a compiler directive. In CodeWarrior 8, use #pragma function_align 32. In CodeWarrior 9, it is also possible to use 'asm {align 32}' (broken in CodeWarrior 8). With gcc, use the -falign-loops=32 compiler flag (broken in gcc 3.1; gcc 3.3 or later should be used).
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