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(CONST_OK_FOR_LETTER_VALUE): New constraint 'M'.

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From-SVN: r11559
This commit is contained in:
Richard Kenner 1996-03-18 19:46:52 -05:00
parent 4d4f21f36f
commit a9f6f5aa7f
1 changed files with 8 additions and 6 deletions
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14
gcc/config/m68k/m68k.h
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@ -642,13 +642,15 @@ extern enum reg_class regno_reg_class[];
allowed as immediate shift counts and in addq.
`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. */
`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. */
#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 : 0)
#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)
/*
* A small bit of explanation: