From: Simon Marlow Date: Wed, 31 Oct 2007 15:38:39 +0000 (+0000) Subject: fix merge errors X-Git-Tag: Before_cabalised-GHC~295 X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=bf4d6a58a1079b944ffc4bdd41d57403a7727046 fix merge errors --- diff --git a/rts/sm/Evac.c b/rts/sm/Evac.c index e8f85b6..2bbd5c9 100644 --- a/rts/sm/Evac.c +++ b/rts/sm/Evac.c @@ -68,118 +68,6 @@ alloc_for_copy (nat size, step *stp) return to; } -STATIC_INLINE void -copy_tag(StgClosure **p, StgClosure *src, nat size, step *stp,StgWord tag) -{ - StgPtr to, tagged_to, from; - nat i; - StgWord info; - -#ifdef THREADED_RTS - do { - info = xchg((StgPtr)&src->header.info, (W_)&stg_WHITEHOLE_info); - // so.. what is it? - } while (info == (W_)&stg_WHITEHOLE_info); - if (info == (W_)&stg_EVACUATED_info) { - src->header.info = (const StgInfoTable *)info; - return evacuate(p); // does the failed_to_evac stuff - } -#else - info = (W_)src->header.info; - src->header.info = &stg_EVACUATED_info; -#endif - - to = alloc_for_copy(size,stp); - tagged_to = (StgPtr)TAG_CLOSURE(tag,(StgClosure*)to); - *p = (StgClosure *)tagged_to; - - TICK_GC_WORDS_COPIED(size); - - from = (StgPtr)src; - to[0] = info; - for (i = 1; i < size; i++) { // unroll for small i - to[i] = from[i]; - } - - ((StgEvacuated*)from)->evacuee = (StgClosure *)tagged_to; - - // retag pointer before updating EVACUATE closure and returning - -// if (to+size+2 < bd->start + BLOCK_SIZE_W) { -// __builtin_prefetch(to + size + 2, 1); -// } - -#ifdef THREADED_RTS - write_barrier(); - ((StgEvacuated*)from)->header.info = &stg_EVACUATED_info; -#endif - -#ifdef PROFILING - // We store the size of the just evacuated object in the LDV word so that - // the profiler can guess the position of the next object later. - SET_EVACUAEE_FOR_LDV(from, size); -#endif -} - -/* Special version of copy() for when we only want to copy the info - * pointer of an object, but reserve some padding after it. This is - * used to optimise evacuation of BLACKHOLEs. - */ -static void -copyPart(StgClosure **p, StgClosure *src, nat size_to_reserve, nat size_to_copy, step *stp) -{ - StgPtr to, from; - nat i; - StgWord info; - -#ifdef THREADED_RTS - do { - info = xchg((StgPtr)&src->header.info, (W_)&stg_WHITEHOLE_info); - } while (info == (W_)&stg_WHITEHOLE_info); - if (info == (W_)&stg_EVACUATED_info) { - src->header.info = (const StgInfoTable *)info; - return evacuate(p); // does the failed_to_evac stuff - } -#else - info = (W_)src->header.info; - src->header.info = &stg_EVACUATED_info; -#endif - - to = alloc_for_copy(size_to_reserve, stp); - *p = (StgClosure *)to; - - TICK_GC_WORDS_COPIED(size_to_copy); - - from = (StgPtr)src; - to[0] = info; - for (i = 1; i < size_to_copy; i++) { // unroll for small i - to[i] = from[i]; - } - - ((StgEvacuated*)from)->evacuee = (StgClosure *)to; -#ifdef THREADED_RTS - write_barrier(); - ((StgEvacuated*)from)->header.info = &stg_EVACUATED_info; -#endif - -#ifdef PROFILING - // We store the size of the just evacuated object in the LDV word so that - // the profiler can guess the position of the next object later. - SET_EVACUAEE_FOR_LDV(from, size_to_reserve); - // fill the slop - if (size_to_reserve - size_to_copy > 0) - LDV_FILL_SLOP(to + size_to_copy - 1, (int)(size_to_reserve - size_to_copy)); -#endif -} - - -/* Copy wrappers that don't tag the closure after copying */ -STATIC_INLINE void -copy(StgClosure **p, StgClosure *src, nat size, step *stp) -{ - copy_tag(p,src,size,stp,0); -} - /* ----------------------------------------------------------------------------- The evacuate() code -------------------------------------------------------------------------- */ diff --git a/rts/sm/Evac.c-inc b/rts/sm/Evac.c-inc index 6fa93d1..c7e43c3 100644 --- a/rts/sm/Evac.c-inc +++ b/rts/sm/Evac.c-inc @@ -23,7 +23,7 @@ #endif STATIC_INLINE void -copy_tag(StgClosure **p, StgClosure *src, nat size, step *stp) +copy_tag(StgClosure **p, StgClosure *src, nat size, step *stp, StgWord tag) { StgPtr to, tagged_to, from; nat i;