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(mc680x0): Define umul_ppmm, udiv_qrnnd, sdiv_qrnnd for the '020, 

'030, '040, and '332.  Define count_leading_zeros for the '020, '030,
'040, and '060.

From-SVN: r12517
This commit is contained in:
Richard Kenner 1996-07-18 19:15:42 -04:00
parent c042287ed3
commit f3a5c9a47e
1 changed files with 24 additions and 7 deletions
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31
gcc/longlong.h
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@ -1,5 +1,5 @@
/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
Copyright (C) 1991, 1992, 1994, 1995 Free Software Foundation, Inc.
Copyright (C) 1991, 1992, 1994, 1995, 1996 Free Software Foundation, Inc.
This definition file is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public
@ -425,7 +425,13 @@
"d" ((USItype) (bh)), \
"1" ((USItype) (al)), \
"g" ((USItype) (bl)))
#if defined (__mc68020__) || defined (__NeXT__) || defined(mc68020)
/* The '020, '030, '040 and CPU32 have 32x32->64 and 64/32->32q-32r. */
#if defined (__mc68020__) || defined(mc68020) \
|| defined(__mc68030__) || defined(mc68030) \
|| defined(__mc68040__) || defined(mc68040) \
|| defined(__mc68332__) || defined(mc68332) \
|| defined(__NeXT__)
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("mulu%.l %3,%1:%0" \
: "=d" ((USItype) (w0)), \
@ -448,11 +454,9 @@
: "0" ((USItype) (n0)), \
"1" ((USItype) (n1)), \
"dmi" ((USItype) (d)))
#define count_leading_zeros(count, x) \
__asm__ ("bfffo %1{%b2:%b2},%0" \
: "=d" ((USItype) (count)) \
: "od" ((USItype) (x)), "n" (0))
#else /* not mc68020 */
#if !defined(__mc5200__)
/* %/ inserts REGISTER_PREFIX, %# inserts IMMEDIATE_PREFIX. */
#define umul_ppmm(xh, xl, a, b) \
__asm__ ("| Inlined umul_ppmm
@ -484,11 +488,24 @@
: "=g" ((USItype) (xh)), \
"=g" ((USItype) (xl)) \
: "g" ((USItype) (a)), \
"g" ((USItype) (b)) \
"g" ((USItype) (b)) \
: "d0", "d1", "d2", "d3", "d4")
#define UMUL_TIME 100
#define UDIV_TIME 400
#endif /* not mcf5200 */
#endif /* not mc68020 */
/* The '020, '030, '040 and '060 have bitfield insns. */
#if defined (__mc68020__) || defined(mc68020) \
|| defined(__mc68030__) || defined(mc68030) \
|| defined(__mc68040__) || defined(mc68040) \
|| defined(__mc68060__) || defined(mc68060) \
|| defined(__NeXT__)
#define count_leading_zeros(count, x) \
__asm__ ("bfffo %1{%b2:%b2},%0" \
: "=d" ((USItype) (count)) \
: "od" ((USItype) (x)), "n" (0))
#endif
#endif /* mc68000 */
#if defined (__m88000__)