[thirdparty/gcc.git] / gcc / config / vax / vax-modes.def

/* VAX extra machine modes.
   Copyright (C) 2003-2021 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

/* We just need to reset the floating point formats.  */
RESET_FLOAT_FORMAT (SF, vax_f_format);
RESET_FLOAT_FORMAT (DF, vax_d_format);

/* `DImode' addition and subtraction operations do their calculation
   on the low and then the high longword with separate instructions,
   and therefore only usably set N.  */
CC_MODE (CCN);
/* Non-arithmetic integer instructions such as MOV or XOR as well as
   instructions that produce a floating-point result only usably set
   N and Z.  */
CC_MODE (CCNZ);
/* The FFC and FFS instructions only usably set Z.  */
CC_MODE (CCZ);
Commit	Line	Data
d001241c	1	/* VAX extra machine modes.
99dee823	2	Copyright (C) 2003-2021 Free Software Foundation, Inc.
94134f42 ZW	3
	4	This file is part of GCC.
	5
	6	GCC is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
2f83c7d6	8	the Free Software Foundation; either version 3, or (at your option)
94134f42 ZW	9	any later version.
	10
	11	GCC is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
2f83c7d6 NC	17	along with GCC; see the file COPYING3. If not see
2f83c7d6 NC	18	<http://www.gnu.org/licenses/>. */
94134f42 ZW	19
	20	/* We just need to reset the floating point formats. */
	21	RESET_FLOAT_FORMAT (SF, vax_f_format);
	22	RESET_FLOAT_FORMAT (DF, vax_d_format);
e552abe2 MR	23
	24	/* `DImode' addition and subtraction operations do their calculation
	25	on the low and then the high longword with separate instructions,
	26	and therefore only usably set N. */
	27	CC_MODE (CCN);
	28	/* Non-arithmetic integer instructions such as MOV or XOR as well as
	29	instructions that produce a floating-point result only usably set
	30	N and Z. */
	31	CC_MODE (CCNZ);
	32	/* The FFC and FFS instructions only usably set Z. */
	33	CC_MODE (CCZ);