7664eeb700
2019-05-07 Martin Liska <mliska@suse.cz> * bitmap.c (bitmap_register): Come up with alloc_descriptor_max_uid and assign it for a new bitmap. (register_overhead): Use get_descriptor as a descriptor. (release_overhead): New. (bitmap_elem_to_freelist): Call it. (bitmap_elt_clear_from): Likewise. (bitmap_obstack_free): Likewise. (bitmap_move): Sensitively release memory. * bitmap.h (struct GTY): Add alloc_descriptor and padding. (bitmap_initialize): Initialize alloc_descriptor to zero. * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move. From-SVN: r270942 |
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