config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.

config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.

2010-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
	    Jim Wilson  <wilson@codesourcery.com>

gcc/
	* config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
	for TARGET_NO_FLOAT.
	* config/mips/mips.c (mips_file_start): Expand conditional expression
	into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
	(mips_override_options): Move -mno-float override -msoft-float and
	-mhard-float.
	* config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
	Condition(TARGET_SUPPORTS_NO_FLOAT).
	* config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
	__mips_no_float here.
	(SUBTARGET_OVERRIDE_OPTIONS): Delete.
	(TARGET_SUPPORTS_NO_FLOAT): Define.
	* config/mips/sdemtk.opt: Delete.

From-SVN: r159642