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* config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
available for use only when TARGET_MMX/_SSE is set, and check for
variable argument function if any register count is non-zero.
(function_arg): Correctly suppress repeated warnings for passing SSE
vectors are arguments without SSE enabled.
(ix86_function_arg_boundary): Without SSE enabled, the use of what
would be SSE register modes does no longer influence the alignment.
From-SVN: r84431
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