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(EXTRACT_SIGNED,EXTRACT_UNSIGNED,HOST_LONGS_FOR_BITS): Move from

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cgen-types.h to cgen-sim.h.
This commit is contained in:
David Edelsohn 1997-05-01 17:45:25 +00:00
parent 9f4b686cb5
commit 2c8f0de695
1 changed files with 14 additions and 0 deletions
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14
sim/common/cgen-sim.h
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@ -42,6 +42,20 @@ enum sim_signal_type {
void engine_halt PARAMS ((struct _sim_cpu *, enum exec_state, int));
void engine_signal PARAMS ((struct _sim_cpu *, enum sim_signal_type));
/* Instruction field support macros. */
#define EXTRACT_SIGNED(val, total, start, length) \
(((((val) >> ((total) - ((start) + (length)))) & ((1 << (length)) - 1)) \
^ (1 << ((length) - 1))) \
- (1 << ((length) - 1)))
#define EXTRACT_UNSIGNED(val, total, start, length) \
(((val) >> ((total) - ((start) + (length)))) & ((1 << (length)) - 1))
/* Compute number of longs required to hold N bits. */
#define HOST_LONGS_FOR_BITS(n) \
(((n) + sizeof (long) * 8 - 1) / sizeof (long) * 8)
/* Decode,extract,semantics. */
typedef void (EXTRACT_FN) PARAMS ((SIM_CPU *, PCADDR, insn_t, struct argbuf *));