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Diffstat (limited to 'lib/hipe/doc/src/notes.xml')
| -rw-r--r-- | lib/hipe/doc/src/notes.xml | 185 |
1 files changed, 171 insertions, 14 deletions
diff --git a/lib/hipe/doc/src/notes.xml b/lib/hipe/doc/src/notes.xml index 33a18ff7ef..761b4d9f90 100644 --- a/lib/hipe/doc/src/notes.xml +++ b/lib/hipe/doc/src/notes.xml @@ -31,6 +31,159 @@ </header> <p>This document describes the changes made to HiPE.</p> +<section><title>Hipe 3.15</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix pretty printing of Core Maps</p> + <p> + Literal maps could cause Dialyzer to crash when pretty + printing the results.</p> + <p> + Own Id: OTP-13238</p> + </item> + <item> + <p> + Dialyzer warnings removed.</p> + <p> + Own Id: OTP-13379</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Fix HiPE ErLLVM code generation for pattern matching with + UTF binaries.</p> + <p> + Own Id: OTP-13269</p> + </item> + <item> + <p> + Fix various binary construction inconsistencies for hipe + compiled code. <list> <item>Passing bad field sizes to + binary constructions would throw <c>badarith</c> rather + than <c>badarg</c>. Worse, in guards, when the unit size + of the field was 1, the exception would leak rather than + failing the function clause match.</item> <item>Passing + bignums as field sizes to binary constructions would + always fail (and always with <c>badarg</c>).</item> + <item>A bug in bs_init_bits that cased binary + constructions to fail with system_limit if they were at + least 1/8th of the actual limit.</item> <item>Compiler + crashes when matches against an integer literal whose + size fits an unsigned word, but not a signed word or + matches against an integer literal that whose size is + larger than the largest allowed bignum.</item> <item>Very + large binary constructions that should fail with + system_limit could instead fail with <c>badarg</c> or + even succeed with a faulty result.</item> <item>Add + missing check for unit size match when inserting a + binary. For example, a faulty expression like + <c><<<<1:7>>/binary>></c> would + succeed.</item> </list></p> + <p> + Own Id: OTP-13272</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.14</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix hipe bug causing segfaults when native code + constructs binaries starting with a zero-length integer + field.</p> + <p> + Own Id: OTP-13048</p> + </item> + <item> + <p> + Reintroduce the <c>erlang:make_fun/3</c> BIF in + erl_bif_types.</p> + <p> + Own Id: OTP-13068</p> + </item> + <item> + <p> + In certain cases of matching with very big binaries, the + HiPE compiler generated code that would fail the match, + even in cases that the matching was successful. The + problem was more quite noticeable on 32-bit platforms.</p> + <p> + Own Id: OTP-13092</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + mikpe/hipe_x86_signal-musl-support</p> + <p> + Own Id: OTP-13159</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.13</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Fix bugs concerning <c>erlang:abs/1</c>. </p> + <p> + Own Id: OTP-12948</p> + </item> + <item> + <p> Fix a bug concerning <c>lists:keydelete/3</c> with + union and opaque types. </p> + <p> + Own Id: OTP-12949</p> + </item> + <item> + <p> + A beam file compiled by hipe for an incompatible runtime + system was sometimes not rejected by the loader, which + could lead to vm crash. This fix will also allow the same + hipe compiler to be used by both normal and debug-built + vm.</p> + <p> + Own Id: OTP-12962</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + New function <c>hipe:erts_checksum/0</c> which returns a + value identifying the target runtime system for the + compiler. Used by dialyzer for its beam cache directory.</p> + <p> + Own Id: OTP-12963 Aux Id: OTP-12962, OTP-12964 </p> + </item> + </list> + </section> + +</section> + <section><title>Hipe 3.12</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -275,22 +428,28 @@ <p> EEP43: New data type - Maps</p> <p> - With Maps you may for instance: <taglist> <item><c>M0 = - #{ a => 1, b => 2}, % create - associations</c></item> <item><c>M1 = M0#{ a := 10 }, % - update values</c></item> <item><c>M2 = M1#{ "hi" => - "hello"}, % add new associations</c></item> <item><c>#{ - "hi" := V1, a := V2, b := V3} = M2. % match keys with - values</c></item> </taglist></p> + With Maps you may for instance:</p> + <taglist> + <tag/> <item><c>M0 = #{ a => 1, b => 2}, % create + associations</c></item> + <tag/><item><c>M1 = M0#{ a := 10 }, % update values</c></item> + <tag/><item><c>M2 = M1#{ "hi" => + "hello"}, % add new associations</c></item> + <tag/><item><c>#{ "hi" := V1, a := V2, b := V3} = M2. + % match keys with values</c></item> + </taglist> <p> For information on how to use Maps please see Map Expressions in the <seealso marker="doc/reference_manual:expressions#map_expressions"> Reference Manual</seealso>.</p> <p> The current implementation is without the following - features: <taglist> <item>No variable keys</item> - <item>No single value access</item> <item>No map - comprehensions</item> </taglist></p> + features:</p> + <taglist> + <tag/><item>No variable keys</item> + <tag/><item>No single value access</item> + <tag/><item>No map comprehensions</item> + </taglist> <p> Note that Maps is <em>experimental</em> during OTP 17.0.</p> <p> @@ -558,19 +717,17 @@ <section><title>Fixed Bugs and Malfunctions</title> <list> <item> - <p> <list> <item><p>No warnings for underspecs with remote types</p></item> <item><p> Fix crash in Typer</p></item> <item><p>Fix Dialyzer's warning for its own code</p></item> <item><p>Fix Dialyzer's warnings in HiPE</p></item> <item><p>Add file/line info in a particular Dialyzer crash</p></item> <item><p>Update - inets test results</p></item> </list></p> + inets test results</p></item> </list> <p> Own Id: OTP-9758</p> </item> <item> - <p> <list> <item><p>Correct callback spec in application module</p></item> <item><p>Refine warning about callback specs with extra ranges</p></item> <item><p>Cleanup @@ -581,7 +738,7 @@ analysis</p></item> <item><p>Fix crash in Dialyzer</p></item> <item><p>Variable substitution was not generalizing any unknown variables.</p></item> - </list></p> + </list> <p> Own Id: OTP-9776</p> </item> |