Files
Linux_Drivers/linux_5.10/arch/parisc/math-emu/hppa.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

30 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
*
* Floating-point emulation code
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
*/
#ifdef __NO_PA_HDRS
PA header file -- do not include this header file for non-PA builds.
#endif
/* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
#define Shiftdouble(left,right,amount,dest) \
/* int left, right, amount, dest; */ \
dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
/* amount must be less than 32 */
#define Variableshiftdouble(left,right,amount,dest) \
/* unsigned int left, right; int amount, dest; */ \
if (amount == 0) dest = right; \
else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) | \
((unsigned) right >> (amount))
/* amount must be between 0 and 32 (non-inclusive) */
#define Variable_shift_double(left,right,amount,dest) \
/* unsigned int left, right; int amount, dest; */ \
dest = (left << (32-(amount))) | ((unsigned) right >> (amount))