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Diffstat (limited to 'lib/hipe/doc/src/notes.xml')
| -rw-r--r-- | lib/hipe/doc/src/notes.xml | 139 |
1 files changed, 138 insertions, 1 deletions
diff --git a/lib/hipe/doc/src/notes.xml b/lib/hipe/doc/src/notes.xml index c190a89260..a2e0766bb7 100644 --- a/lib/hipe/doc/src/notes.xml +++ b/lib/hipe/doc/src/notes.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2006</year><year>2017</year> + <year>2006</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -31,6 +31,143 @@ </header> <p>This document describes the changes made to HiPE.</p> +<section><title>Hipe 3.19</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Add function <c>hipe:erllvm_is_supported</c> to check for + the presences of a suitable version of the LLVM tool + chain as well as supported hardware architecture. The old + <c>hipe:llvm_support_available</c> has been removed.</p> + <p> + Own Id: OTP-15385 Aux Id: PR-1986 </p> + </item> + <item> + <p> + Fix hipe LLVM for FreeBSD and other non-linux unix to use + /tmp/ instead of /dev/shm/.</p> + <p> + Own Id: OTP-15386 Aux Id: PR-1963 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>In OTP 22, HiPE (the native code compiler) is not + fully functional. The reasons for this are:</p> + <p>There are new BEAM instructions for binary matching + that the HiPE native code compiler does not support.</p> + <p>The new optimizations in the Erlang compiler create + new combination of instructions that HiPE currently does + not handle correctly.</p> + <p>If erlc is invoked with the <c>+native</c> option, and + if any of the new binary matching instructions are used, + the compiler will issue a warning and produce a BEAM file + without native code.</p> + <p> + Own Id: OTP-15596</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.18.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Fix a bug in the handling of the <c>Key</c> argument + of <c>lists:{keysearch, keyfind, keymember}</c>. </p> + <p> + Own Id: OTP-15570</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.18.2</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>The code was updated to avoid causing a dialyzer + warning because of a tightened spec for + <c>beam_lib:info/1</c>.</p> + <p> + Own Id: OTP-15482</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.18.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Improved documentation.</p> + <p> + Own Id: OTP-15190</p> + </item> + </list> + </section> + +</section> + +<section><title>Hipe 3.18</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Optimize <c>receive</c> statements that are only waiting + for messages containing a reference created before the + receive. All messages that existed in the queue when the + reference was created will be bypassed, as they cannot + possibly contain the reference. This optimization has + existed for vanilla BEAM since OTP R14.</p> + <p> + Own Id: OTP-14785 Aux Id: PR-1632 </p> + </item> + <item> + <p> + Add validation pass to hipe compiler to detect internal + errors causing primop calls that may trigger an unsafe GC + at run-time. The pass can be disabled with option + <c>no_verify_gcsafe</c>.</p> + <p> + Own Id: OTP-14900 Aux Id: PR-1685, PR-1621 </p> + </item> + <item> + <p> + Make hipe compiled code work on x86_64 (amd64) with OS + security feature PIE, where executable code can be loaded + into a random location. Old behavior, if hipe was + enabled, was to disable PIE build options for the VM.</p> + <p> + Own Id: OTP-14903</p> + </item> + <item> + <p> + Inline more type test BIFs; <c>is_number</c>, + <c>is_bitstring</c>, <c>is_map</c>.</p> + <p> + Own Id: OTP-14941 Aux Id: PR-1718 </p> + </item> + </list> + </section> + +</section> + <section><title>Hipe 3.17.1</title> <section><title>Fixed Bugs and Malfunctions</title> |