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authorSverker Eriksson <[email protected]>2018-12-17 16:03:36 +0100
committerSverker Eriksson <[email protected]>2018-12-17 16:47:41 +0100
commitc8d3bff46adbff3205eaf76de8a634557cbd4af4 (patch)
tree561b2ff0e426ca7d4b1687e9f8090f33634db429 /make/otp.mk.in
parentabc4fd372d476821448dfb949bea4e28ab82ac26 (diff)
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erts: Fix bug in 'band' of two negative numbers, one big
Similar bug as for bxor fixed by abc4fd372d476821448dfb9 Ex: 1> io:format("~.16B\n", [-16#1110000000000000000 band (-1)]). -1120000000000000000 Wrong result for (-X bsl WS) band -Y. where X is any positive integer WS is erlang:system_info(wordsize)*8*N where N is 1 or larger Y is any positive integer smaller than (1 bsl WS) Fix: The subtraction of 1 (for 2-complement conversion) must be carried along all the way to the last words.
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