summaryrefslogtreecommitdiff
path: root/include/asm-sparc/sfp-machine.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc/sfp-machine.h')
-rw-r--r--include/asm-sparc/sfp-machine.h214
1 files changed, 5 insertions, 209 deletions
diff --git a/include/asm-sparc/sfp-machine.h b/include/asm-sparc/sfp-machine.h
index 266a42b..c676fcc 100644
--- a/include/asm-sparc/sfp-machine.h
+++ b/include/asm-sparc/sfp-machine.h
@@ -1,212 +1,8 @@
-/* Machine-dependent software floating-point definitions.
- Sparc userland (_Q_*) version.
- Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Richard Henderson (rth@cygnus.com),
- Jakub Jelinek (jj@ultra.linux.cz),
- David S. Miller (davem@redhat.com) and
- Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#ifndef _SFP_MACHINE_H
-#define _SFP_MACHINE_H
-
-
-#define _FP_W_TYPE_SIZE 32
-#define _FP_W_TYPE unsigned long
-#define _FP_WS_TYPE signed long
-#define _FP_I_TYPE long
-
-#define _FP_MUL_MEAT_S(R,X,Y) \
- _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
-#define _FP_MUL_MEAT_D(R,X,Y) \
- _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
-#define _FP_MUL_MEAT_Q(R,X,Y) \
- _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
-
-#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
-#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
-#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
-
-#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
-#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
-#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
-#define _FP_NANSIGN_S 0
-#define _FP_NANSIGN_D 0
-#define _FP_NANSIGN_Q 0
-
-#define _FP_KEEPNANFRACP 1
-
-/* If one NaN is signaling and the other is not,
- * we choose that one, otherwise we choose X.
- */
-/* For _Qp_* and _Q_*, this should prefer X, for
- * CPU instruction emulation this should prefer Y.
- * (see SPAMv9 B.2.2 section).
- */
-#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
- do { \
- if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \
- && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
- { \
- R##_s = X##_s; \
- _FP_FRAC_COPY_##wc(R,X); \
- } \
- else \
- { \
- R##_s = Y##_s; \
- _FP_FRAC_COPY_##wc(R,Y); \
- } \
- R##_c = FP_CLS_NAN; \
- } while (0)
-
-/* Some assembly to speed things up. */
-#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
- __asm__ ("addcc %r7,%8,%2\n\t" \
- "addxcc %r5,%6,%1\n\t" \
- "addx %r3,%4,%0\n" \
- : "=r" ((USItype)(r2)), \
- "=&r" ((USItype)(r1)), \
- "=&r" ((USItype)(r0)) \
- : "%rJ" ((USItype)(x2)), \
- "rI" ((USItype)(y2)), \
- "%rJ" ((USItype)(x1)), \
- "rI" ((USItype)(y1)), \
- "%rJ" ((USItype)(x0)), \
- "rI" ((USItype)(y0)) \
- : "cc")
-
-#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
- __asm__ ("subcc %r7,%8,%2\n\t" \
- "subxcc %r5,%6,%1\n\t" \
- "subx %r3,%4,%0\n" \
- : "=r" ((USItype)(r2)), \
- "=&r" ((USItype)(r1)), \
- "=&r" ((USItype)(r0)) \
- : "%rJ" ((USItype)(x2)), \
- "rI" ((USItype)(y2)), \
- "%rJ" ((USItype)(x1)), \
- "rI" ((USItype)(y1)), \
- "%rJ" ((USItype)(x0)), \
- "rI" ((USItype)(y0)) \
- : "cc")
-
-#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
- do { \
- /* We need to fool gcc, as we need to pass more than 10 \
- input/outputs. */ \
- register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \
- __asm__ __volatile__ ( \
- "addcc %r8,%9,%1\n\t" \
- "addxcc %r6,%7,%0\n\t" \
- "addxcc %r4,%5,%%g2\n\t" \
- "addx %r2,%3,%%g1\n\t" \
- : "=&r" ((USItype)(r1)), \
- "=&r" ((USItype)(r0)) \
- : "%rJ" ((USItype)(x3)), \
- "rI" ((USItype)(y3)), \
- "%rJ" ((USItype)(x2)), \
- "rI" ((USItype)(y2)), \
- "%rJ" ((USItype)(x1)), \
- "rI" ((USItype)(y1)), \
- "%rJ" ((USItype)(x0)), \
- "rI" ((USItype)(y0)) \
- : "cc", "g1", "g2"); \
- __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \
- r3 = _t1; r2 = _t2; \
- } while (0)
-
-#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
- do { \
- /* We need to fool gcc, as we need to pass more than 10 \
- input/outputs. */ \
- register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \
- __asm__ __volatile__ ( \
- "subcc %r8,%9,%1\n\t" \
- "subxcc %r6,%7,%0\n\t" \
- "subxcc %r4,%5,%%g2\n\t" \
- "subx %r2,%3,%%g1\n\t" \
- : "=&r" ((USItype)(r1)), \
- "=&r" ((USItype)(r0)) \
- : "%rJ" ((USItype)(x3)), \
- "rI" ((USItype)(y3)), \
- "%rJ" ((USItype)(x2)), \
- "rI" ((USItype)(y2)), \
- "%rJ" ((USItype)(x1)), \
- "rI" ((USItype)(y1)), \
- "%rJ" ((USItype)(x0)), \
- "rI" ((USItype)(y0)) \
- : "cc", "g1", "g2"); \
- __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \
- r3 = _t1; r2 = _t2; \
- } while (0)
-
-#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0)
-
-#define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) __FP_FRAC_SUB_4(x3,x2,x1,x0,x3,x2,x1,x0,y3,y2,y1,y0)
-
-#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \
- __asm__ ("addcc %3,%4,%3\n\t" \
- "addxcc %2,%%g0,%2\n\t" \
- "addxcc %1,%%g0,%1\n\t" \
- "addx %0,%%g0,%0\n\t" \
- : "=&r" ((USItype)(x3)), \
- "=&r" ((USItype)(x2)), \
- "=&r" ((USItype)(x1)), \
- "=&r" ((USItype)(x0)) \
- : "rI" ((USItype)(i)), \
- "0" ((USItype)(x3)), \
- "1" ((USItype)(x2)), \
- "2" ((USItype)(x1)), \
- "3" ((USItype)(x0)) \
- : "cc")
-
-#ifndef CONFIG_SMP
-extern struct task_struct *last_task_used_math;
-#endif
-
-/* Obtain the current rounding mode. */
-#ifndef FP_ROUNDMODE
-#ifdef CONFIG_SMP
-#define FP_ROUNDMODE ((current->thread.fsr >> 30) & 0x3)
-#else
-#define FP_ROUNDMODE ((last_task_used_math->thread.fsr >> 30) & 0x3)
-#endif
-#endif
-
-/* Exception flags. */
-#define FP_EX_INVALID (1 << 4)
-#define FP_EX_OVERFLOW (1 << 3)
-#define FP_EX_UNDERFLOW (1 << 2)
-#define FP_EX_DIVZERO (1 << 1)
-#define FP_EX_INEXACT (1 << 0)
-
-#define FP_HANDLE_EXCEPTIONS return _fex
-
-#ifdef CONFIG_SMP
-#define FP_INHIBIT_RESULTS ((current->thread.fsr >> 23) & _fex)
-#else
-#define FP_INHIBIT_RESULTS ((last_task_used_math->thread.fsr >> 23) & _fex)
-#endif
-
-#ifdef CONFIG_SMP
-#define FP_TRAPPING_EXCEPTIONS ((current->thread.fsr >> 23) & 0x1f)
+#ifndef ___ASM_SPARC_SFP_MACHINE_H
+#define ___ASM_SPARC_SFP_MACHINE_H
+#if defined(__sparc__) && defined(__arch64__)
+#include <asm-sparc/sfp-machine_64.h>
#else
-#define FP_TRAPPING_EXCEPTIONS ((last_task_used_math->thread.fsr >> 23) & 0x1f)
+#include <asm-sparc/sfp-machine_32.h>
#endif
-
#endif
generated by cgit v0.10.2 at 2024-11-09 11:12:59 (GMT)