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authorErlang/OTP <[email protected]>2018-05-25 12:14:27 +0200
committerErlang/OTP <[email protected]>2018-05-25 12:14:27 +0200
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@@ -31,6 +31,51 @@
</header>
<p>This document describes the changes made to HiPE.</p>
+<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>