Import GC 6.3alpha1.

	* BCC_MAKEFILE: Merge with GC 6.3alpha1 release.
	* ChangeLog: Likewise.
	* Makefile.am: Likewise.
	* Makefile.direct: Likewise.
	* Makefile.dj: Likewise.
	* allchblk.c: Likewise.
	* alloc.c: Likewise.
	* backgraph.c: Likewise.
	* configure.host: Likewise.
	* configure.in: Likewise.
	* dbg_mlc.c: Likewise.
	* dyn_load.c: Likewise.
	* finalize.c: Likewise.
	* gc_cpp.cc: Likewise.
	* gc_dlopen.c: Likewise.
	* gcj_mlc.c: Likewise.
	* if_mach.c: Likewise.
	* mach_dep.c: Likewise.
	* malloc.c: Likewise.
	* mallocx.c: Likewise.
	* mark.c: Likewise.
	* mark_rts.c: Likewise.
	* misc.c: Likewise.
	* os_dep.c: Likewise.
	* ptr_chck.c: Likewise.
	* reclaim.c: Likewise.
	* solaris_pthreads.c: Likewise.
	* solaris_threads.c: Likewise.
	* sparc_mach_dep.S: Likewise.
	* threadlibs.c: Likewise.
	* typd_mlc.c: Likewise.
	* version.h: Likewise.
	* win32_threads.c: Likewise.
	* Mac_files/MacOS_Test_config.h: Likewise.
	* Mac_files/MacOS_config.h: Likewise.
	* cord/cordbscs.c: Likewise.
	* cord/cordprnt.c: Likewise.
	* cord/de_win.c: Likewise.
	* doc/README: Likewise.
	* doc/README.MacOSX: Likewise.
	* doc/README.changes: Likewise.
	* doc/README.environment: Likewise.
	* doc/README.ews4800: Likewise.
	* doc/README.linux: Likewise.
	* doc/README.macros: Likewise.
	* doc/README.win32: Likewise.
	* doc/debugging.html: Likewise.
	* doc/gcdescr.html: Likewise.
	* doc/tree.html: Likewise.
	* include/Makefile.in: Likewise.
	* include/gc.h: Likewise.
	* include/gc_cpp.h: Likewise.
	* include/gc_local_alloc.h: Likewise.
	* include/gc_mark.h: Likewise.
	* include/gc_pthread_redirects.h: Likewise.
	* include/gc_typed.h: Likewise.
	* include/new_gc_alloc.h: Likewise.
	* include/private/dbg_mlc.h: Likewise.
	* include/private/gc_hdrs.h: Likewise.
	* include/private/gc_locks.h: Likewise.
	* include/private/gc_pmark.h: Likewise.
	* include/private/gc_priv.h: Likewise.
	* include/private/gcconfig.h: Likewise.
	* include/private/solaris_threads.h: Likewise.
	* include/private/specific.h: Likewise.
	* tests/test.c: Likewise.
	* tests/test_cpp.cc: Likewise.

	* configure: Rebuild.
	* Makefile.in: Rebuild.

	* mips_sgi_mach_dep.s: Add.

	* alpha_mach_dep.s: Remove.
	* irix_threads.c: Remove.
	* linux_threads.c: Remove.
	* mips_sgi_mach_dep.S: Remove.
	* missing: Remove.
	* powerpc_macosx_mach_dep.s: Remove.
	* doc/Makefile.am: Remove.
	* doc/Makefile.in: Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69880 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 3 deletions

diff --git a/boehm-gc/allchblk.c b/boehm-gc/allchblk.c
index 7d4cbd82f13..2b039397e1c 100644
--- a/boehm-gc/allchblk.c
+++ b/boehm-gc/allchblk.c
@@ -47,12 +47,16 @@ GC_bool GC_use_entire_heap = 0;
 struct hblk * GC_hblkfreelist[N_HBLK_FLS+1] = { 0 };
 
 #ifndef USE_MUNMAP
+
   word GC_free_bytes[N_HBLK_FLS+1] = { 0 };
 	/* Number of free bytes on each list.	*/
 
   /* Is bytes + the number of free bytes on lists n .. N_HBLK_FLS 	*/
   /* > GC_max_large_allocd_bytes?					*/
-  GC_bool GC_enough_large_bytes_left(bytes,n)
+# ifdef __GNUC__
+  __inline__
+# endif
+  static GC_bool GC_enough_large_bytes_left(bytes,n)
   word bytes;
   int n;
   {
@@ -583,11 +587,11 @@ int n;
 	    if (!GC_use_entire_heap
 		&& size_avail != size_needed
 		&& USED_HEAP_SIZE >= GC_requested_heapsize
-		&& !GC_incremental && GC_should_collect()) {
+		&& !TRUE_INCREMENTAL && GC_should_collect()) {
 #		ifdef USE_MUNMAP
 		    continue;
 #		else
-		    /* If we enough large blocks left to cover any	*/
+		    /* If we have enough large blocks left to cover any	*/
 		    /* previous request for large blocks, we go ahead	*/
 		    /* and split.  Assuming a steady state, that should	*/
 		    /* be safe.  It means that we can use the full 	*/
@@ -595,6 +599,12 @@ int n;
 		    if (!GC_enough_large_bytes_left(GC_large_allocd_bytes, n)) {
 		      continue;
 		    } 
+		    /* If we are deallocating lots of memory from	*/
+		    /* finalizers, fail and collect sooner rather	*/
+		    /* than later.					*/
+		    if (GC_finalizer_mem_freed > (GC_heapsize >> 4))  {
+		      continue;
+		    }
 #		endif /* !USE_MUNMAP */
 	    }
 	    /* If the next heap block is obviously better, go on.	*/