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authorAldy Hernandez <aldyh@redhat.com>2022-10-01 22:49:32 +0200
committerAldy Hernandez <aldyh@redhat.com>2022-10-04 09:32:41 +0200
commit7df3693f745eb909aacd710613811e5951e8af3b (patch)
tree5aa54b944b86540d269c31a752f910d31e6301ec /libjava/java/net/ProtocolException.java
parentf50d103183c551c7f9f9f20efaf2ebbf83d5e99f (diff)
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Convert nonzero mask in irange to wide_int.
The reason the nonzero mask was kept in a tree was basically inertia, as everything in irange is a tree. However, there's no need to keep it in a tree, as the conversions to and from wide ints are very annoying. That, plus special casing NULL masks to be -1 is prone to error. I have not only rewritten all the uses to assume a wide int, but have corrected a few places where we weren't propagating the masks, or rather pessimizing them to -1. This will become more important in upcoming patches where we make better use of the masks. Performance testing shows a trivial improvement in VRP, as things like irange::contains_p() are tied to a tree. Ughh, can't wait for trees in iranges to go away. gcc/ChangeLog: * value-range-storage.cc (irange_storage_slot::set_irange): Remove special case. * value-range.cc (irange::irange_set): Adjust for nonzero mask being a wide int. (irange::irange_set_anti_range): Same. (irange::set): Same. (irange::verify_range): Same. (irange::legacy_equal_p): Same. (irange::operator==): Same. (irange::contains_p): Same. (irange::legacy_intersect): Same. (irange::legacy_union): Same. (irange::irange_single_pair_union): Call union_nonzero_bits. (irange::irange_union): Same. (irange::irange_intersect): Call intersect_nonzero_bits. (irange::intersect): Adjust for nonzero mask being a wide int. (irange::invert): Same. (irange::set_nonzero_bits): Same. (irange::get_nonzero_bits_from_range): New. (irange::set_range_from_nonzero_bits): New. (irange::get_nonzero_bits): Adjust for nonzero mask being a wide int. (irange::intersect_nonzero_bits): Same. (irange::union_nonzero_bits): Same. (range_tests_nonzero_bits): Remove test. * value-range.h (irange::varying_compatible_p): Adjust for nonzero mask being a wide int. (gt_ggc_mx): Same. (gt_pch_nx): Same. (irange::set_undefined): Same. (irange::set_varying): Same. (irange::normalize_kind): Same.
Diffstat (limited to 'libjava/java/net/ProtocolException.java')
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