2002-04-24 Matt Hiller <hiller@redhat.com>

	* mips.c (mips_class_max_nregs, mips_register_move_cost): New
	functions.
	* mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls
	of the corresponding functions.
	* mips-protos.h (mips_class_max_nregs, mips_register_move_cost):
	New prototypes.

2002-04-24  Matt Hiller  <hiller@redhat.com>

	* config/mips/mips.h (mips_sw_reg_names): Declare as extern.

	(ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro.
	(FIRST_PSEUDO_REGISTER): Redefine considering coprocessor
	registers, adjust comment accordingly.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
	reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES,
	DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries
	for coprocessor registers.
	(ADDITIONAL_REGISTER_NAMES): Include
	ALL_COP_ADDITIONAL_REGISTER_NAMES.

	(COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM,
	COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM,
	COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM,
	COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P,
	COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros.

	(mips_char_to_class): Adjust comment to include coprocessor
	constraint letters.

	* config/mips/mips.c (coprocessor_operand, coprocessor2_operand):
	New functions.
	(mips_reg_names, mips_regno_to_class): Include coprocessor
	information.
	(mips_sw_reg_names): Ditto, make non-static.
	(mips_move_1word): Handle moves to and from coprocessor registers.
	(mips_move_2words): Handle moves to and from coprocessor
	registers.
	(mips_class_max_nregs, mips_register_move_cost): Handle
	coprocessor register classes.
	(override_options): Initialize mips_char_to_class and
	mips_hard_regno_mode_ok properly for coprocessor registers.

	* config/mips/mips.md (movdi_internal, movdi_internal2,
	movsi_internal1, movsi_internal2): Add constraint-sets for
	coprocessor registers.
	* testsuite/gcc.c-torture/mipscop-1.c: New testcase.
	* testsuite/gcc.c-torture/mipscop-1.x: Disable above if target
	isn't mips.
	* testsuite/gcc.c-torture/mipscop-2.c: New testcase.
	* testsuite/gcc.c-torture/mipscop-2.x: Disable above if target
	isn't mips.
	* testsuite/gcc.c-torture/mipscop-3.c: New testcase.
	* testsuite/gcc.c-torture/mipscop-3.x: Disable above if target
	isn't mips.
	* testsuite/gcc.c-torture/mipscop-4.c: New testcase.
	* testsuite/gcc.c-torture/mipscop-4.x: Disable above if target
	isn't mips.

	* doc/tm.texi: Document feature.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52765 138bc75d-0d04-0410-961f-82ee72b054a4

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