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(CONST_OK_FOR_LETTER_P): Recognize 'N', 'O' and 'P'.

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From-SVN: r13525
This commit is contained in:
Richard Kenner 1997-01-19 17:17:50 -05:00
parent e62db39c0a
commit d8fa884b8e
1 changed files with 9 additions and 3 deletions
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12
gcc/config/m68k/m68k.h
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@ -1,5 +1,5 @@
/* Definitions of target machine for GNU compiler. Sun 68000/68020 version.
Copyright (C) 1987, 88, 93, 94, 95, 1996 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -686,14 +686,20 @@ extern enum reg_class regno_reg_class[];
`J' is used for the range of signed numbers that fit in 16 bits.
`K' is for numbers that moveq can't handle.
`L' is for range -8 to -1, range of values that can be added with subq.
`M' is for numbers that moveq+notb can't handle. */
`M' is for numbers that moveq+notb can't handle.
'N' is for range 24 to 31, rotatert:SI 8 to 1 expressed as rotate.
'O' is for 16 (for rotate using swap).
'P' is for range 8 to 15, rotatert:HI 8 to 1 expressed as rotate. */
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'I' ? (VALUE) > 0 && (VALUE) <= 8 : \
(C) == 'J' ? (VALUE) >= -0x8000 && (VALUE) <= 0x7FFF : \
(C) == 'K' ? (VALUE) < -0x80 || (VALUE) >= 0x80 : \
(C) == 'L' ? (VALUE) < 0 && (VALUE) >= -8 : \
(C) == 'M' ? (VALUE) < -0x100 && (VALUE) >= 0x100 : 0)
(C) == 'M' ? (VALUE) < -0x100 && (VALUE) >= 0x100 : \
(C) == 'N' ? (VALUE) >= 24 && (VALUE) <= 31 : \
(C) == 'O' ? (VALUE) == 16 : \
(C) == 'P' ? (VALUE) >= 8 && (VALUE) <= 15 : 0)
/*
* A small bit of explanation: