2007-08-31  Olivier Hainque  <hainque@adacore.com>

	* config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
	internal macro. Default alignment factor for csect directives, chosen
	to match what BIGGEST_ALIGNMENT allows.
	(DATA_SECTION_ASM_OP): Use it.
	* config/rs6000/rs6000.c
	(rs6000_xcoff_output_readonly_section_asm_op):
	Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
	(rs6000_xcoff_output_readwrite_section_asm_op): Likewise.

From-SVN: r127956