1 /* -----------------------------------------------------------------------------
2 * $Id: PrimOps.h,v 1.4 1999/01/14 11:57:48 sewardj Exp $
4 * Macros for primitive operations in STG-ish C code.
6 * ---------------------------------------------------------------------------*/
11 /* -----------------------------------------------------------------------------
13 -------------------------------------------------------------------------- */
15 #define gtCharZh(r,a,b) r=(I_)((a)> (b))
16 #define geCharZh(r,a,b) r=(I_)((a)>=(b))
17 #define eqCharZh(r,a,b) r=(I_)((a)==(b))
18 #define neCharZh(r,a,b) r=(I_)((a)!=(b))
19 #define ltCharZh(r,a,b) r=(I_)((a)< (b))
20 #define leCharZh(r,a,b) r=(I_)((a)<=(b))
22 /* Int comparisons: >#, >=# etc */
23 #define ZgZh(r,a,b) r=(I_)((a) >(b))
24 #define ZgZeZh(r,a,b) r=(I_)((a)>=(b))
25 #define ZeZeZh(r,a,b) r=(I_)((a)==(b))
26 #define ZdZeZh(r,a,b) r=(I_)((a)!=(b))
27 #define ZlZh(r,a,b) r=(I_)((a) <(b))
28 #define ZlZeZh(r,a,b) r=(I_)((a)<=(b))
30 #define gtWordZh(r,a,b) r=(I_)((a) >(b))
31 #define geWordZh(r,a,b) r=(I_)((a)>=(b))
32 #define eqWordZh(r,a,b) r=(I_)((a)==(b))
33 #define neWordZh(r,a,b) r=(I_)((a)!=(b))
34 #define ltWordZh(r,a,b) r=(I_)((a) <(b))
35 #define leWordZh(r,a,b) r=(I_)((a)<=(b))
37 #define gtAddrZh(r,a,b) r=(I_)((a) >(b))
38 #define geAddrZh(r,a,b) r=(I_)((a)>=(b))
39 #define eqAddrZh(r,a,b) r=(I_)((a)==(b))
40 #define neAddrZh(r,a,b) r=(I_)((a)!=(b))
41 #define ltAddrZh(r,a,b) r=(I_)((a) <(b))
42 #define leAddrZh(r,a,b) r=(I_)((a)<=(b))
44 #define gtFloatZh(r,a,b) r=(I_)((a)> (b))
45 #define geFloatZh(r,a,b) r=(I_)((a)>=(b))
46 #define eqFloatZh(r,a,b) r=(I_)((a)==(b))
47 #define neFloatZh(r,a,b) r=(I_)((a)!=(b))
48 #define ltFloatZh(r,a,b) r=(I_)((a)< (b))
49 #define leFloatZh(r,a,b) r=(I_)((a)<=(b))
51 /* Double comparisons: >##, >=#@ etc */
52 #define ZgZhZh(r,a,b) r=(I_)((a) >(b))
53 #define ZgZeZhZh(r,a,b) r=(I_)((a)>=(b))
54 #define ZeZeZhZh(r,a,b) r=(I_)((a)==(b))
55 #define ZdZeZhZh(r,a,b) r=(I_)((a)!=(b))
56 #define ZlZhZh(r,a,b) r=(I_)((a) <(b))
57 #define ZlZeZhZh(r,a,b) r=(I_)((a)<=(b))
59 /* used by returning comparison primops, defined in Prims.hc. */
60 extern const StgClosure *PrelBase_Bool_closure_tbl[];
62 /* -----------------------------------------------------------------------------
64 -------------------------------------------------------------------------- */
66 #define ordZh(r,a) r=(I_)((W_) (a))
67 #define chrZh(r,a) r=(StgChar)((W_)(a))
69 /* -----------------------------------------------------------------------------
71 -------------------------------------------------------------------------- */
73 I_ stg_div (I_ a, I_ b);
75 #define ZpZh(r,a,b) r=(a)+(b)
76 #define ZmZh(r,a,b) r=(a)-(b)
77 #define ZtZh(r,a,b) r=(a)*(b)
78 #define quotIntZh(r,a,b) r=(a)/(b)
79 #define ZdZh(r,a,b) r=ULTRASAFESTGCALL2(I_,(void *, I_, I_),stg_div,(a),(b))
80 #define remIntZh(r,a,b) r=(a)%(b)
81 #define negateIntZh(r,a) r=-(a)
83 /* The following operations are the standard add,subtract and multiply
84 * except that they return a carry if the operation overflows.
86 * They are all defined in terms of 32-bit integers and use the GCC
87 * 'long long' extension to get a 64-bit result. We'd like to use
88 * 64-bit integers on 64-bit architectures, but it seems that gcc's
89 * 'long long' type is set at 64-bits even on a 64-bit machine.
92 #ifdef WORDS_BIGENDIAN
105 #define addWithCarryZh(r,c,a,b) \
114 #define subWithCarryZh(r,c,a,b) \
121 #define mulWithCarryZh(r,c,a,b) \
128 /* -----------------------------------------------------------------------------
130 -------------------------------------------------------------------------- */
132 #define quotWordZh(r,a,b) r=((W_)a)/((W_)b)
133 #define remWordZh(r,a,b) r=((W_)a)%((W_)b)
135 #define andZh(r,a,b) r=(a)&(b)
136 #define orZh(r,a,b) r=(a)|(b)
137 #define xorZh(r,a,b) r=(a)^(b)
138 #define notZh(r,a) r=~(a)
140 #define shiftLZh(r,a,b) r=(a)<<(b)
141 #define shiftRLZh(r,a,b) r=(a)>>(b)
142 #define iShiftLZh(r,a,b) r=(a)<<(b)
143 /* Right shifting of signed quantities is not portable in C, so
144 the behaviour you'll get from using these primops depends
145 on the whatever your C compiler is doing. ToDo: fix/document. -- sof 8/98
147 #define iShiftRAZh(r,a,b) r=(a)>>(b)
148 #define iShiftRLZh(r,a,b) r=(a)>>(b)
150 #define int2WordZh(r,a) r=(W_)(a)
151 #define word2IntZh(r,a) r=(I_)(a)
153 /* -----------------------------------------------------------------------------
155 -------------------------------------------------------------------------- */
157 #define int2AddrZh(r,a) r=(A_)(a)
158 #define addr2IntZh(r,a) r=(I_)(a)
160 #define indexCharOffAddrZh(r,a,i) r= ((C_ *)(a))[i]
161 #define indexIntOffAddrZh(r,a,i) r= ((I_ *)(a))[i]
162 #define indexAddrOffAddrZh(r,a,i) r= ((PP_)(a))[i]
163 #define indexFloatOffAddrZh(r,a,i) r= PK_FLT((P_) (((StgFloat *)(a)) + i))
164 #define indexDoubleOffAddrZh(r,a,i) r= PK_DBL((P_) (((StgDouble *)(a)) + i))
165 #define indexStablePtrOffAddrZh(r,a,i) r= ((StgStablePtr *)(a))[i]
166 #ifdef SUPPORT_LONG_LONGS
167 #define indexInt64OffAddrZh(r,a,i) r= ((LI_ *)(a))[i]
168 #define indexWord64OffAddrZh(r,a,i) r= ((LW_ *)(a))[i]
171 #define writeCharOffAddrZh(a,i,v) ((C_ *)(a))[i] = (v)
172 #define writeIntOffAddrZh(a,i,v) ((I_ *)(a))[i] = (v)
173 #define writeWordOffAddrZh(a,i,v) ((W_ *)(a))[i] = (v)
174 #define writeAddrOffAddrZh(a,i,v) ((PP_)(a))[i] = (v)
175 #define writeForeignObjOffAddrZh(a,i,v) ((PP_)(a))[i] = ForeignObj_CLOSURE_DATA(v)
176 #define writeFloatOffAddrZh(a,i,v) ASSIGN_FLT((P_) (((StgFloat *)(a)) + i),v)
177 #define writeDoubleOffAddrZh(a,i,v) ASSIGN_DBL((P_) (((StgDouble *)(a)) + i),v)
178 #define writeStablePtrOffAddrZh(a,i,v) ((StgStablePtr *)(a))[i] = (v)
179 #ifdef SUPPORT_LONG_LONGS
180 #define writeInt64OffAddrZh(a,i,v) ((LI_ *)(a))[i] = (v)
181 #define writeWord64OffAddrZh(a,i,v) ((LW_ *)(a))[i] = (v)
184 /* -----------------------------------------------------------------------------
186 -------------------------------------------------------------------------- */
188 #define plusFloatZh(r,a,b) r=(a)+(b)
189 #define minusFloatZh(r,a,b) r=(a)-(b)
190 #define timesFloatZh(r,a,b) r=(a)*(b)
191 #define divideFloatZh(r,a,b) r=(a)/(b)
192 #define negateFloatZh(r,a) r=-(a)
194 #define int2FloatZh(r,a) r=(StgFloat)(a)
195 #define float2IntZh(r,a) r=(I_)(a)
197 #define expFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,exp,a)
198 #define logFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,log,a)
199 #define sqrtFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,sqrt,a)
200 #define sinFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,sin,a)
201 #define cosFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,cos,a)
202 #define tanFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,tan,a)
203 #define asinFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,asin,a)
204 #define acosFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,acos,a)
205 #define atanFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,atan,a)
206 #define sinhFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,sinh,a)
207 #define coshFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,cosh,a)
208 #define tanhFloatZh(r,a) r=(StgFloat) RET_PRIM_STGCALL1(StgDouble,tanh,a)
209 #define powerFloatZh(r,a,b) r=(StgFloat) RET_PRIM_STGCALL2(StgDouble,pow,a,b)
211 /* -----------------------------------------------------------------------------
213 -------------------------------------------------------------------------- */
215 #define ZpZhZh(r,a,b) r=(a)+(b)
216 #define ZmZhZh(r,a,b) r=(a)-(b)
217 #define ZtZhZh(r,a,b) r=(a)*(b)
218 #define ZdZhZh(r,a,b) r=(a)/(b)
219 #define negateDoubleZh(r,a) r=-(a)
221 #define int2DoubleZh(r,a) r=(StgDouble)(a)
222 #define double2IntZh(r,a) r=(I_)(a)
224 #define float2DoubleZh(r,a) r=(StgDouble)(a)
225 #define double2FloatZh(r,a) r=(StgFloat)(a)
227 #define expDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,exp,a)
228 #define logDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,log,a)
229 #define sqrtDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,sqrt,a)
230 #define sinDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,sin,a)
231 #define cosDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,cos,a)
232 #define tanDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,tan,a)
233 #define asinDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,asin,a)
234 #define acosDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,acos,a)
235 #define atanDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,atan,a)
236 #define sinhDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,sinh,a)
237 #define coshDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,cosh,a)
238 #define tanhDoubleZh(r,a) r=(StgDouble) RET_PRIM_STGCALL1(StgDouble,tanh,a)
240 #define ZtZtZhZh(r,a,b) r=(StgDouble) RET_PRIM_STGCALL2(StgDouble,pow,a,b)
242 /* -----------------------------------------------------------------------------
244 -------------------------------------------------------------------------- */
246 /* We can do integer2Int and cmpInteger inline, since they don't need
247 * to allocate any memory.
250 #define integer2IntZh(r, aa,sa,da) \
253 arg._mp_alloc = (aa); \
254 arg._mp_size = (sa); \
255 arg._mp_d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
257 (r) = RET_PRIM_STGCALL1(I_,mpz_get_si,&arg); \
260 #define integer2WordZh(r, aa,sa,da) \
263 arg._mp_alloc = (aa); \
264 arg._mp_size = (sa); \
265 arg._mp_d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
267 (r) = RET_PRIM_STGCALL1(I_,mpz_get_ui,&arg); \
270 #define cmpIntegerZh(r, a1,s1,d1, a2,s2,d2) \
274 arg1._mp_alloc= (a1); \
275 arg1._mp_size = (s1); \
276 arg1._mp_d = (unsigned long int *) (BYTE_ARR_CTS(d1)); \
277 arg2._mp_alloc= (a2); \
278 arg2._mp_size = (s2); \
279 arg2._mp_d = (unsigned long int *) (BYTE_ARR_CTS(d2)); \
281 (r) = RET_PRIM_STGCALL2(I_,mpz_cmp,&arg1,&arg2); \
284 /* A glorious hack: calling mpz_neg would entail allocation and
285 * copying, but by looking at what mpz_neg actually does, we can
286 * derive a better version:
289 #define negateIntegerZh(ra, rs, rd, a, s, d) \
296 /* The rest are all out-of-line: -------- */
298 /* Integer arithmetic */
299 EF_(plusIntegerZh_fast);
300 EF_(minusIntegerZh_fast);
301 EF_(timesIntegerZh_fast);
302 EF_(gcdIntegerZh_fast);
303 EF_(quotRemIntegerZh_fast);
304 EF_(divModIntegerZh_fast);
307 EF_(int2IntegerZh_fast);
308 EF_(word2IntegerZh_fast);
309 EF_(addr2IntegerZh_fast);
311 /* Floating-point encodings/decodings */
312 EF_(encodeFloatZh_fast);
313 EF_(decodeFloatZh_fast);
315 EF_(encodeDoubleZh_fast);
316 EF_(decodeDoubleZh_fast);
318 /* -----------------------------------------------------------------------------
320 -------------------------------------------------------------------------- */
322 #ifdef SUPPORT_LONG_LONGS
324 #define integerToWord64Zh(r, aa,sa,da) \
325 { unsigned long int* d; \
328 d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
331 } else if ( (aa) == 1) { \
334 res = (LW_)d[0] + (LW_)d[1] * 0x100000000ULL; \
339 #define integerToInt64Zh(r, aa,sa,da) \
340 { unsigned long int* d; \
343 d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
346 } else if ( (aa) == 1) { \
349 res = (LI_)d[0] + (LI_)d[1] * 0x100000000LL; \
355 EF_(int64ToIntegerZh_fast);
356 EF_(word64ToIntegerZh_fast);
358 /* The rest are (way!) out of line, implemented via C entry points.
360 I_ stg_gtWord64 (StgNat64, StgNat64);
361 I_ stg_geWord64 (StgNat64, StgNat64);
362 I_ stg_eqWord64 (StgNat64, StgNat64);
363 I_ stg_neWord64 (StgNat64, StgNat64);
364 I_ stg_ltWord64 (StgNat64, StgNat64);
365 I_ stg_leWord64 (StgNat64, StgNat64);
367 I_ stg_gtInt64 (StgInt64, StgInt64);
368 I_ stg_geInt64 (StgInt64, StgInt64);
369 I_ stg_eqInt64 (StgInt64, StgInt64);
370 I_ stg_neInt64 (StgInt64, StgInt64);
371 I_ stg_ltInt64 (StgInt64, StgInt64);
372 I_ stg_leInt64 (StgInt64, StgInt64);
374 LW_ stg_remWord64 (StgNat64, StgNat64);
375 LW_ stg_quotWord64 (StgNat64, StgNat64);
377 LI_ stg_remInt64 (StgInt64, StgInt64);
378 LI_ stg_quotInt64 (StgInt64, StgInt64);
379 LI_ stg_negateInt64 (StgInt64);
380 LI_ stg_plusInt64 (StgInt64, StgInt64);
381 LI_ stg_minusInt64 (StgInt64, StgInt64);
382 LI_ stg_timesInt64 (StgInt64, StgInt64);
384 LW_ stg_and64 (StgNat64, StgNat64);
385 LW_ stg_or64 (StgNat64, StgNat64);
386 LW_ stg_xor64 (StgNat64, StgNat64);
387 LW_ stg_not64 (StgNat64);
389 LW_ stg_shiftL64 (StgNat64, StgInt);
390 LW_ stg_shiftRL64 (StgNat64, StgInt);
391 LI_ stg_iShiftL64 (StgInt64, StgInt);
392 LI_ stg_iShiftRL64 (StgInt64, StgInt);
393 LI_ stg_iShiftRA64 (StgInt64, StgInt);
395 LI_ stg_intToInt64 (StgInt);
396 I_ stg_int64ToInt (StgInt64);
397 LW_ stg_int64ToWord64 (StgInt64);
399 LW_ stg_wordToWord64 (StgWord);
400 W_ stg_word64ToWord (StgNat64);
401 LI_ stg_word64ToInt64 (StgNat64);
404 /* -----------------------------------------------------------------------------
406 -------------------------------------------------------------------------- */
408 /* We cast to void* instead of StgChar* because this avoids a warning
409 * about increasing the alignment requirements.
411 #define REAL_BYTE_ARR_CTS(a) ((void *) (((StgArrWords *)(a))->payload))
412 #define REAL_PTRS_ARR_CTS(a) ((P_) (((StgMutArrPtrs *)(a))->payload))
415 #define BYTE_ARR_CTS(a) \
416 ({ ASSERT((GET_INFO(a) == &ARR_WORDS_info) \
417 || (GET_INFO(a) == &MUT_ARR_WORDS_info)); \
418 REAL_BYTE_ARR_CTS(a); })
419 #define PTRS_ARR_CTS(a) \
420 ({ ASSERT((GET_INFO(a) == &ARR_PTRS_info) \
421 || (GET_INFO(a) == &MUT_ARR_PTRS_info)); \
422 REAL_PTRS_ARR_CTS(a); })
424 #define BYTE_ARR_CTS(a) REAL_BYTE_ARR_CTS(a)
425 #define PTRS_ARR_CTS(a) REAL_PTRS_ARR_CTS(a)
428 extern I_ genSymZh(void);
429 extern I_ resetGenSymZh(void);
431 /*--- everything except new*Array is done inline: */
433 #define sameMutableArrayZh(r,a,b) r=(I_)((a)==(b))
434 #define sameMutableByteArrayZh(r,a,b) r=(I_)((a)==(b))
436 #define readArrayZh(r,a,i) r=((PP_) PTRS_ARR_CTS(a))[(i)]
438 #define readCharArrayZh(r,a,i) indexCharOffAddrZh(r,BYTE_ARR_CTS(a),i)
439 #define readIntArrayZh(r,a,i) indexIntOffAddrZh(r,BYTE_ARR_CTS(a),i)
440 #define readWordArrayZh(r,a,i) indexWordOffAddrZh(r,BYTE_ARR_CTS(a),i)
441 #define readAddrArrayZh(r,a,i) indexAddrOffAddrZh(r,BYTE_ARR_CTS(a),i)
442 #define readFloatArrayZh(r,a,i) indexFloatOffAddrZh(r,BYTE_ARR_CTS(a),i)
443 #define readDoubleArrayZh(r,a,i) indexDoubleOffAddrZh(r,BYTE_ARR_CTS(a),i)
444 #define readStablePtrArrayZh(r,a,i) indexStablePtrOffAddrZh(r,BYTE_ARR_CTS(a),i)
445 #ifdef SUPPORT_LONG_LONGS
446 #define readInt64ArrayZh(r,a,i) indexInt64OffAddrZh(r,BYTE_ARR_CTS(a),i)
447 #define readWord64ArrayZh(r,a,i) indexWord64OffAddrZh(r,BYTE_ARR_CTS(a),i)
450 /* result ("r") arg ignored in write macros! */
451 #define writeArrayZh(a,i,v) ((PP_) PTRS_ARR_CTS(a))[(i)]=(v)
453 #define writeCharArrayZh(a,i,v) ((C_ *)(BYTE_ARR_CTS(a)))[i] = (v)
454 #define writeIntArrayZh(a,i,v) ((I_ *)(BYTE_ARR_CTS(a)))[i] = (v)
455 #define writeWordArrayZh(a,i,v) ((W_ *)(BYTE_ARR_CTS(a)))[i] = (v)
456 #define writeAddrArrayZh(a,i,v) ((PP_)(BYTE_ARR_CTS(a)))[i] = (v)
457 #define writeFloatArrayZh(a,i,v) \
458 ASSIGN_FLT((P_) (((StgFloat *)(BYTE_ARR_CTS(a))) + i),v)
459 #define writeDoubleArrayZh(a,i,v) \
460 ASSIGN_DBL((P_) (((StgDouble *)(BYTE_ARR_CTS(a))) + i),v)
461 #define writeStablePtrArrayZh(a,i,v) ((StgStablePtr *)(BYTE_ARR_CTS(a)))[i] = (v)
462 #ifdef SUPPORT_LONG_LONGS
463 #define writeInt64ArrayZh(a,i,v) ((LI_ *)(BYTE_ARR_CTS(a)))[i] = (v)
464 #define writeWord64ArrayZh(a,i,v) ((LW_ *)(BYTE_ARR_CTS(a)))[i] = (v)
467 #define indexArrayZh(r,a,i) r=((PP_) PTRS_ARR_CTS(a))[(i)]
469 #define indexCharArrayZh(r,a,i) indexCharOffAddrZh(r,BYTE_ARR_CTS(a),i)
470 #define indexIntArrayZh(r,a,i) indexIntOffAddrZh(r,BYTE_ARR_CTS(a),i)
471 #define indexWordArrayZh(r,a,i) indexWordOffAddrZh(r,BYTE_ARR_CTS(a),i)
472 #define indexAddrArrayZh(r,a,i) indexAddrOffAddrZh(r,BYTE_ARR_CTS(a),i)
473 #define indexFloatArrayZh(r,a,i) indexFloatOffAddrZh(r,BYTE_ARR_CTS(a),i)
474 #define indexDoubleArrayZh(r,a,i) indexDoubleOffAddrZh(r,BYTE_ARR_CTS(a),i)
475 #define indexStablePtrArrayZh(r,a,i) indexStablePtrOffAddrZh(r,BYTE_ARR_CTS(a),i)
476 #ifdef SUPPORT_LONG_LONGS
477 #define indexInt64ArrayZh(r,a,i) indexInt64OffAddrZh(r,BYTE_ARR_CTS(a),i)
478 #define indexWord64ArrayZh(r,a,i) indexWord64OffAddrZh(r,BYTE_ARR_CTS(a),i)
481 #define indexCharOffForeignObjZh(r,fo,i) indexCharOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
482 #define indexIntOffForeignObjZh(r,fo,i) indexIntOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
483 #define indexWordOffForeignObjZh(r,fo,i) indexWordOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
484 #define indexAddrOffForeignObjZh(r,fo,i) indexAddrOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
485 #define indexFloatOffForeignObjZh(r,fo,i) indexFloatOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
486 #define indexDoubleOffForeignObjZh(r,fo,i) indexDoubleOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
487 #define indexStablePtrOffForeignObjZh(r,fo,i) indexStablePtrOffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
488 #ifdef SUPPORT_LONG_LONGS
489 #define indexInt64OffForeignObjZh(r,fo,i) indexInt64OffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
490 #define indexWord64OffForeignObjZh(r,fo,i) indexWord64OffAddrZh(r,ForeignObj_CLOSURE_DATA(fo),i)
493 #define indexCharOffAddrZh(r,a,i) r= ((C_ *)(a))[i]
494 #define indexIntOffAddrZh(r,a,i) r= ((I_ *)(a))[i]
495 #define indexWordOffAddrZh(r,a,i) r= ((W_ *)(a))[i]
496 #define indexAddrOffAddrZh(r,a,i) r= ((PP_)(a))[i]
497 #define indexFloatOffAddrZh(r,a,i) r= PK_FLT((P_) (((StgFloat *)(a)) + i))
498 #define indexDoubleOffAddrZh(r,a,i) r= PK_DBL((P_) (((StgDouble *)(a)) + i))
499 #ifdef SUPPORT_LONG_LONGS
500 #define indexInt64OffAddrZh(r,a,i) r= ((LI_ *)(a))[i]
501 #define indexWord64OffAddrZh(r,a,i) r= ((LW_ *)(a))[i]
504 /* Freezing arrays-of-ptrs requires changing an info table, for the
505 benefit of the generational collector. It needs to scavenge mutable
506 objects, even if they are in old space. When they become immutable,
507 they can be removed from this scavenge list. */
509 #define unsafeFreezeArrayZh(r,a) \
511 SET_INFO((StgClosure *)a,&MUT_ARR_PTRS_FROZEN_info); \
515 #define unsafeFreezeByteArrayZh(r,a) r=(a)
517 #define sizeofByteArrayZh(r,a) \
518 r = (((StgArrWords *)(a))->words * sizeof(W_))
519 #define sizeofMutableByteArrayZh(r,a) \
520 r = (((StgArrWords *)(a))->words * sizeof(W_))
522 /* and the out-of-line ones... */
524 EF_(newCharArrayZh_fast);
525 EF_(newIntArrayZh_fast);
526 EF_(newWordArrayZh_fast);
527 EF_(newAddrArrayZh_fast);
528 EF_(newFloatArrayZh_fast);
529 EF_(newDoubleArrayZh_fast);
530 EF_(newStablePtrArrayZh_fast);
531 EF_(newArrayZh_fast);
533 /* encoding and decoding of floats/doubles. */
535 /* We only support IEEE floating point format */
536 #include "ieee-flpt.h"
538 #if FLOATS_AS_DOUBLES /* i.e. 64-bit machines */
539 #define encodeFloatZh(r, aa,sa,da, expon) encodeDoubleZh(r, aa,sa,da, expon)
541 #define encodeFloatZh(r, aa,sa,da, expon) \
543 /* Does not allocate memory */ \
545 arg._mp_alloc = aa; \
547 arg._mp_d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
549 r = RET_PRIM_STGCALL2(StgFloat, __encodeFloat,&arg,(expon));\
551 #endif /* FLOATS_AS_DOUBLES */
553 #define encodeDoubleZh(r, aa,sa,da, expon) \
555 /* Does not allocate memory */ \
557 arg._mp_alloc = aa; \
559 arg._mp_d = (unsigned long int *) (BYTE_ARR_CTS(da)); \
561 r = RET_PRIM_STGCALL2(StgDouble, __encodeDouble,&arg,(expon));\
564 /* The decode operations are out-of-line because they need to allocate
568 #ifdef FLOATS_AS_DOUBLES
569 #define decodeFloatZh_fast decodeDoubleZh_fast
571 EF_(decodeFloatZh_fast);
574 EF_(decodeDoubleZh_fast);
576 /* grimy low-level support functions defined in StgPrimFloat.c */
578 extern StgDouble __encodeDouble (MP_INT *s, I_ e);
579 extern StgFloat __encodeFloat (MP_INT *s, I_ e);
580 extern void __decodeDouble (MP_INT *man, I_ *_exp, StgDouble dbl);
581 extern void __decodeFloat (MP_INT *man, I_ *_exp, StgFloat flt);
582 extern StgInt isDoubleNaN(StgDouble d);
583 extern StgInt isDoubleInfinite(StgDouble d);
584 extern StgInt isDoubleDenormalized(StgDouble d);
585 extern StgInt isDoubleNegativeZero(StgDouble d);
586 extern StgInt isFloatNaN(StgFloat f);
587 extern StgInt isFloatInfinite(StgFloat f);
588 extern StgInt isFloatDenormalized(StgFloat f);
589 extern StgInt isFloatNegativeZero(StgFloat f);
591 /* -----------------------------------------------------------------------------
594 newMutVar is out of line.
595 -------------------------------------------------------------------------- */
597 EF_(newMutVarZh_fast);
599 #define readMutVarZh(r,a) r=(P_)(((StgMutVar *)(a))->var)
600 #define writeMutVarZh(a,v) (P_)(((StgMutVar *)(a))->var)=(v)
601 #define sameMutVarZh(r,a,b) r=(I_)((a)==(b))
603 /* -----------------------------------------------------------------------------
606 All out of line, because they either allocate or may block.
607 -------------------------------------------------------------------------- */
609 #define sameMVarZh(r,a,b) r=(I_)((a)==(b))
611 EF_(takeMVarZh_fast);
614 /* -----------------------------------------------------------------------------
616 -------------------------------------------------------------------------- */
618 /* Hmm, I'll think about these later. */
620 /* -----------------------------------------------------------------------------
621 Primitive I/O, error-handling PrimOps
622 -------------------------------------------------------------------------- */
627 extern void stg_exit(I_ n) __attribute__ ((noreturn));
629 /* -----------------------------------------------------------------------------
630 Stable Pointer PrimOps.
631 -------------------------------------------------------------------------- */
635 extern StgPtr *stable_ptr_table;
636 extern StgPtr *stable_ptr_free;
637 #define deRefStablePtrZh(r,sp) (r=stable_ptr_table[(sp)])
638 #define eqStablePtrZh(r,sp1,sp2) (r=(sp1==sp2))
640 #define freeStablePointer(stable_ptr) \
642 stable_ptr_table[stable_ptr] = (P_)stable_ptr_free; \
643 stable_ptr_free = &stable_ptr_table[stable_ptr]; \
646 EF_(makeStablePtrZh_fast);
649 #define deRefStablePtrZh(ri,sp) \
652 fprintf(stderr, "deRefStablePtr#: no stable pointer support.\n");\
653 stg_exit(EXIT_FAILURE); \
656 #define eqStablePtrZh(ri,sp1,sp2) \
659 fprintf(stderr, "eqStablePtr#: no stable pointer support.\n"); \
660 stg_exit(EXIT_FAILURE); \
663 #define makeStablePtrZh(stablePtr,liveness,unstablePtr) \
666 fprintf(stderr, "makeStablePtr#: no stable pointer support.\n");\
667 EXIT(EXIT_FAILURE); \
670 #define freeStablePtrZh(stablePtr,liveness,unstablePtr) \
673 fprintf(stderr, "makeStablePtr#: no stable pointer support.\n");\
674 EXIT(EXIT_FAILURE); \
679 /* -----------------------------------------------------------------------------
681 -------------------------------------------------------------------------- */
684 EF_(killThreadZh_fast);
687 /* Hmm, I'll think about these later. */
688 /* -----------------------------------------------------------------------------
690 -------------------------------------------------------------------------- */
692 /* warning: extremely non-referentially transparent, need to hide in
693 an appropriate monad.
695 ToDo: follow indirections.
698 #define reallyUnsafePtrEqualityZh(r,a,b) r=((StgPtr)(a) == (StgPtr)(b))
700 /* -----------------------------------------------------------------------------
701 Weak Pointer PrimOps.
702 -------------------------------------------------------------------------- */
707 EF_(deRefWeakZh_fast);
708 #define sameWeakZh(w1,w2) ((w1)==(w2))
712 /* -----------------------------------------------------------------------------
713 Foreign Object PrimOps.
714 -------------------------------------------------------------------------- */
718 #define ForeignObj_CLOSURE_DATA(c) (((StgForeignObj *)c)->data)
720 EF_(makeForeignObjZh_fast);
722 #define writeForeignObjZh(res,datum) \
723 (ForeignObj_CLOSURE_DATA(res) = (P_)(datum))
725 #define eqForeignObj(f1,f2) ((f1)==(f2))
729 /* -----------------------------------------------------------------------------
730 Signal processing. Not really primops, but called directly from
732 -------------------------------------------------------------------------- */
734 #define STG_SIG_DFL (-1)
735 #define STG_SIG_IGN (-2)
736 #define STG_SIG_ERR (-3)
737 #define STG_SIG_HAN (-4)
739 extern StgInt sig_install (StgInt, StgInt, StgStablePtr, sigset_t *);
740 #define stg_sig_default(sig,mask) sig_install(sig,STG_SIG_DFL,0,(sigset_t *)mask)
741 #define stg_sig_ignore(sig,mask) sig_install(sig,STG_SIG_IGN,0,(sigset_t *)mask)
742 #define stg_sig_catch(sig,ptr,mask) sig_install(sig,STG_SIG_HAN,ptr,(sigset_t *)mask)