/* -----------------------------------------------------------------------------
- * $Id: PrimOps.hc,v 1.26 1999/05/07 11:10:45 simonm Exp $
+ * $Id: PrimOps.hc,v 1.32 1999/10/15 09:50:22 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
*/
/*------ All Regs available */
-#ifdef REG_R8
+#if defined(REG_R8)
# define RET_P(a) R1.w = (W_)(a); JMP_(ENTRY_CODE(Sp[0]));
# define RET_N(a) RET_P(a)
R4.w = (W_)(d); R5.w = (W_)(e); R6.w = (W_)(f); \
JMP_(ENTRY_CODE(Sp[0]));
-#else
-
-#if defined(REG_R7) || defined(REG_R6) || defined(REG_R5) || \
- defined(REG_R4) || defined(REG_R3) || defined(REG_R2)
+#elif defined(REG_R7) || defined(REG_R6) || defined(REG_R5) || \
+ defined(REG_R4) || defined(REG_R3)
# error RET_n macros not defined for this setup.
-#else
+
+/*------ 2 Registers available */
+#elif defined(REG_R2)
+
+# define RET_P(a) R1.w = (W_)(a); JMP_(ENTRY_CODE(Sp[0]));
+# define RET_N(a) RET_P(a)
+
+# define RET_PP(a,b) R1.w = (W_)(a); R2.w = (W_)(b); \
+ JMP_(ENTRY_CODE(Sp[0]));
+# define RET_NN(a,b) RET_PP(a,b)
+# define RET_NP(a,b) RET_PP(a,b)
+
+# define RET_PPP(a,b,c) \
+ R1.w = (W_)(a); R2.w = (W_)(b); Sp[-1] = (W_)(c); Sp -= 1; \
+ JMP_(ENTRY_CODE(Sp[1]));
+# define RET_NNP(a,b,c) \
+ R1.w = (W_)(a); R2.w = (W_)(b); Sp[-1] = (W_)(c); Sp -= 1; \
+ JMP_(ENTRY_CODE(Sp[1]));
+
+# define RET_NNNP(a,b,c,d) \
+ R1.w = (W_)(a); \
+ R2.w = (W_)(b); \
+ /* Sp[-3] = ARGTAG(1); */ \
+ Sp[-2] = (W_)(c); \
+ Sp[-1] = (W_)(d); \
+ Sp -= 3; \
+ JMP_(ENTRY_CODE(Sp[3]));
+
+# define RET_NPNP(a,b,c,d) \
+ R1.w = (W_)(a); \
+ R2.w = (W_)(b); \
+ /* Sp[-3] = ARGTAG(1); */ \
+ Sp[-2] = (W_)(c); \
+ Sp[-1] = (W_)(d); \
+ Sp -= 3; \
+ JMP_(ENTRY_CODE(Sp[3]));
+
+# define RET_NNPNNP(a,b,c,d,e,f) \
+ R1.w = (W_)(a); \
+ R2.w = (W_)(b); \
+ Sp[-6] = (W_)(c); \
+ /* Sp[-5] = ARGTAG(1); */ \
+ Sp[-4] = (W_)(d); \
+ /* Sp[-3] = ARGTAG(1); */ \
+ Sp[-2] = (W_)(e); \
+ Sp[-1] = (W_)(f); \
+ Sp -= 6; \
+ JMP_(ENTRY_CODE(Sp[6]));
/*------ 1 Register available */
-#ifdef REG_R1
+#elif defined(REG_R1)
# define RET_P(a) R1.w = (W_)(a); JMP_(ENTRY_CODE(Sp[0]));
# define RET_N(a) RET_P(a)
# define RET_NP(a,b) PUSH_N(3,a); PUSH_P(1,b); PUSHED(3)
# define RET_PPP(a,b,c) PUSH_P(3,a); PUSH_P(2,b); PUSH_P(1,c); PUSHED(3)
-# define RET_NNP(a,b,c) PUSH_N(6,a); PUSH_N(4,b); PUSH_N(2,c); PUSHED(6)
+# define RET_NNP(a,b,c) PUSH_N(5,a); PUSH_N(3,b); PUSH_P(1,c); PUSHED(5)
# define RET_NNNP(a,b,c,d) PUSH_N(7,a); PUSH_N(5,b); PUSH_N(3,c); PUSH_P(1,d); PUSHED(7)
# define RET_NPNP(a,b,c,d) PUSH_N(6,a); PUSH_P(4,b); PUSH_N(3,c); PUSH_P(1,d); PUSHED(6)
#endif
-#endif
-#endif
-
/*-----------------------------------------------------------------------------
Array Primitives
/* Args: R1.p = initialisation value */
FB_
- HP_CHK_GEN(sizeofW(StgMutVar), R1_PTR, newMutVarzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgMutVar), R1_PTR, newMutVarzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgHeader)+1,1, 0); /* hack, dependent on rep. */
CCS_ALLOC(CCCS,sizeofW(StgMutVar));
StgForeignObj *result;
FB_
- HP_CHK_GEN(sizeofW(StgForeignObj), NO_PTRS, makeForeignObjzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgForeignObj), NO_PTRS, makeForeignObjzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgHeader),
sizeofW(StgForeignObj)-sizeofW(StgHeader), 0);
CCS_ALLOC(CCCS,sizeofW(StgForeignObj)); /* ccs prof */
StgWeak *w;
FB_
- HP_CHK_GEN(sizeofW(StgWeak), R1_PTR|R2_PTR|R3_PTR, mkWeakzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgWeak), R1_PTR|R2_PTR|R3_PTR, mkWeakzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgHeader)+1, // +1 is for the link field
sizeofW(StgWeak)-sizeofW(StgHeader)-1, 0);
CCS_ALLOC(CCCS,sizeofW(StgWeak)); /* ccs prof */
FB_
val = R1.i;
- HP_CHK_GEN(sizeofW(StgArrWords)+1, NO_PTRS, int2Integerzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgArrWords)+1, NO_PTRS, int2Integerzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgArrWords),1,0);
CCS_ALLOC(CCCS,sizeofW(StgArrWords)+1); /* ccs prof */
FB_
val = R1.w;
- HP_CHK_GEN(sizeofW(StgArrWords)+1, NO_PTRS, word2Integerzh_fast,)
+ HP_CHK_GEN_TICKY(sizeofW(StgArrWords)+1, NO_PTRS, word2Integerzh_fast,)
TICK_ALLOC_PRIM(sizeofW(StgArrWords),1,0);
CCS_ALLOC(CCCS,sizeofW(StgArrWords)+1); /* ccs prof */
/* minimum is one word */
words_needed = 1;
}
- HP_CHK_GEN(sizeofW(StgArrWords)+words_needed, NO_PTRS, int64ToIntegerzh_fast,)
+ HP_CHK_GEN_TICKY(sizeofW(StgArrWords)+words_needed, NO_PTRS, int64ToIntegerzh_fast,)
TICK_ALLOC_PRIM(sizeofW(StgArrWords),words_needed,0);
CCS_ALLOC(CCCS,sizeofW(StgArrWords)+words_needed); /* ccs prof */
} else {
words_needed = 1;
}
- HP_CHK_GEN(sizeofW(StgArrWords)+words_needed, NO_PTRS, word64ToIntegerzh_fast,)
+ HP_CHK_GEN_TICKY(sizeofW(StgArrWords)+words_needed, NO_PTRS, word64ToIntegerzh_fast,)
TICK_ALLOC_PRIM(sizeofW(StgArrWords),words_needed,0);
CCS_ALLOC(CCCS,sizeofW(StgArrWords)+words_needed); /* ccs prof */
/* arguments: F1 = Float# */
arg = F1;
- HP_CHK_GEN(sizeofW(StgArrWords)+1, NO_PTRS, decodeFloatzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgArrWords)+1, NO_PTRS, decodeFloatzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgArrWords),1,0);
CCS_ALLOC(CCCS,sizeofW(StgArrWords)+1); /* ccs prof */
/* arguments: D1 = Double# */
arg = D1;
- HP_CHK_GEN(ARR_SIZE, NO_PTRS, decodeDoublezh_fast,);
+ HP_CHK_GEN_TICKY(ARR_SIZE, NO_PTRS, decodeDoublezh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgArrWords),DOUBLE_MANTISSA_SIZE,0);
CCS_ALLOC(CCCS,ARR_SIZE); /* ccs prof */
FB_
/* args: none */
- HP_CHK_GEN(sizeofW(StgMVar), NO_PTRS, newMVarzh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgMVar), NO_PTRS, newMVarzh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgMutVar)-1, // consider head,tail,link as admin wds
1, 0);
CCS_ALLOC(CCCS,sizeofW(StgMVar)); /* ccs prof */
mvar = (StgMVar *) (Hp - sizeofW(StgMVar) + 1);
- SET_INFO(mvar,&EMPTY_MVAR_info);
+ SET_HDR(mvar,&EMPTY_MVAR_info,CCCS);
mvar->head = mvar->tail = (StgTSO *)&END_TSO_QUEUE_closure;
mvar->value = (StgClosure *)&END_TSO_QUEUE_closure;
mvar->tail->link = CurrentTSO;
}
CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
- CurrentTSO->blocked_on = (StgClosure *)mvar;
+ CurrentTSO->why_blocked = BlockedOnMVar;
+ CurrentTSO->block_info.closure = (StgClosure *)mvar;
mvar->tail = CurrentTSO;
BLOCK(R1_PTR, takeMVarzh_fast);
FN_(putMVarzh_fast)
{
StgMVar *mvar;
- StgTSO *tso;
FB_
/* args: R1 = MVar, R2 = value */
mvar = (StgMVar *)R1.p;
if (GET_INFO(mvar) == &FULL_MVAR_info) {
- fflush(stdout);
fprintf(stderr, "putMVar#: MVar already full.\n");
stg_exit(EXIT_FAILURE);
}
SET_INFO(mvar,&FULL_MVAR_info);
mvar->value = R2.cl;
- /* wake up the first thread on the queue,
- * it will continue with the takeMVar operation and mark the MVar
- * empty again.
+ /* wake up the first thread on the queue, it will continue with the
+ * takeMVar operation and mark the MVar empty again.
*/
- tso = mvar->head;
- if (tso != (StgTSO *)&END_TSO_QUEUE_closure) {
- PUSH_ON_RUN_QUEUE(tso);
- mvar->head = tso->link;
- tso->link = (StgTSO *)&END_TSO_QUEUE_closure;
+ if (mvar->head != (StgTSO *)&END_TSO_QUEUE_closure) {
+ ASSERT(mvar->head->why_blocked == BlockedOnMVar);
+ mvar->head = RET_STGCALL1(StgTSO *,unblockOne,mvar->head);
if (mvar->head == (StgTSO *)&END_TSO_QUEUE_closure) {
mvar->tail = (StgTSO *)&END_TSO_QUEUE_closure;
}
StgStableName *sn_obj;
FB_
- HP_CHK_GEN(sizeofW(StgStableName), R1_PTR, makeStableNamezh_fast,);
+ HP_CHK_GEN_TICKY(sizeofW(StgStableName), R1_PTR, makeStableNamezh_fast,);
TICK_ALLOC_PRIM(sizeofW(StgHeader),
sizeofW(StgStableName)-sizeofW(StgHeader), 0);
CCS_ALLOC(CCCS,sizeofW(StgStableName)); /* ccs prof */
RET_P(sn_obj);
}
+/* -----------------------------------------------------------------------------
+ Thread I/O blocking primitives
+ -------------------------------------------------------------------------- */
+
+FN_(waitReadzh_fast)
+{
+ FB_
+ /* args: R1.i */
+ ASSERT(CurrentTSO->why_blocked == NotBlocked);
+ CurrentTSO->why_blocked = BlockedOnRead;
+ CurrentTSO->block_info.fd = R1.i;
+ PUSH_ON_BLOCKED_QUEUE(CurrentTSO);
+ JMP_(stg_block_noregs);
+ FE_
+}
+
+FN_(waitWritezh_fast)
+{
+ FB_
+ /* args: R1.i */
+ ASSERT(CurrentTSO->why_blocked == NotBlocked);
+ CurrentTSO->why_blocked = BlockedOnWrite;
+ CurrentTSO->block_info.fd = R1.i;
+ PUSH_ON_BLOCKED_QUEUE(CurrentTSO);
+ JMP_(stg_block_noregs);
+ FE_
+}
+
+FN_(delayzh_fast)
+{
+ FB_
+ /* args: R1.i */
+ ASSERT(CurrentTSO->why_blocked == NotBlocked);
+ CurrentTSO->why_blocked = BlockedOnDelay;
+
+ /* Add on ticks_since_select, since these will be subtracted at
+ * the next awaitEvent call.
+ */
+ CurrentTSO->block_info.delay = R1.i + ticks_since_select;
+
+ PUSH_ON_BLOCKED_QUEUE(CurrentTSO);
+ JMP_(stg_block_noregs);
+ FE_
+}
+
#endif /* COMPILER */
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