combine/dce patch for PR36003, PR42575

[Paolo Bonzini]

On 06/27/2010 11:05 PM, Eric Botcazou wrote:
> +      /* ??? This probably disables the MULT case for several platforms.  */
> +      if (GET_CODE (PATTERN (insn)) == PARALLEL)
> +	return NULL_RTX;

single_set would be a better match, no?

Paolo