20062009 Ericsson AB. All Rights Reserved. The contents of this file are subject to the Erlang Public License, Version 1.1, (the "License"); you may not use this file except in compliance with the License. You should have received a copy of the Erlang Public License along with this software. If not, it can be retrieved online at http://www.erlang.org/. Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. HiPE Release Notes otp_appnotes nil nil nil notes.xml

This document describes the changes made to HiPE.

Hipe 3.7.4
Improvements and New Features

The documentation is now built with open source tools (xsltproc and fop) that exists on most platforms. One visible change is that the frames are removed.

Own Id: OTP-8201

Misc updates.

Own Id: OTP-8301
Hipe 3.7.3
Improvements and New Features

Various small bugs (one involving the handling of large binaries) were corrected and some additions to its functionality and/or code cleanups were done.

Own Id: OTP-8189
Hipe 3.7.2
Improvements and New Features

Miscellanous updates.

Own Id: OTP-8038
Hipe 3.7.1
Improvements and New Features

Minor updates and bug fixes.

Own Id: OTP-7958
Hipe 3.7
Improvements and New Features

Miscellaneous updates.

Own Id: OTP-7877
Hipe 3.6.9
Improvements and New Features

The --disable-hipe option for the configure will now completely disable the hipe run-time in the emulator, as is the expected behaviour.

Own Id: OTP-7631
Hipe 3.6.8
Improvements and New Features

Minor updates.

Own Id: OTP-7522
Hipe 3.6.7
Improvements and New Features

Minor changes.

Own Id: OTP-7388
Hipe 3.6.6
Fixed Bugs and Malfunctions

A fix for an #include problem which caused the FP exception test to fail unnecessarily on debian/glibc-2.7/x86 systems.

Added SIGFPE loop detection to the FP exception test. This prevents the test from looping indefinitely, which could happen when the CPU is supported (so we can enable FP exceptions on it) but the OS isn't (so we can't write a proper SIGFPE handler). x86 on an unsupported OS is known to have had this problem.

Own Id: OTP-7254
Improvements and New Features

HiPE now also supports little-endian ARM processors.

Own Id: OTP-7255
Hipe 3.6.5
Fixed Bugs and Malfunctions

HIPE: Corrected the choice of interface to the send/3 and setnode/3 BIFs for native-compiled code. Using the incorrect interface could, in unusual circumstances, lead to random runtime errors.

Own Id: OTP-7067
Improvements and New Features

The HiPE compiler's SPARC backend has been rewritten, improving its correctness and long-term maintainability.

Own Id: OTP-7133
Hipe 3.6.3
Improvements and New Features

Minor Makefile changes.

Own Id: OTP-6689

Miscellanous updates.

Own Id: OTP-6738
Hipe 3.6.2
Improvements and New Features

Miscellanous improvements.

Own Id: OTP-6577
Hipe 3.6.1.1
Fixed Bugs and Malfunctions

Dialyzer could fail to analyze certain beam files that used try/catch.

Own Id: OTP-6449 Aux Id: seq10563

Hipe 3.6.1
Improvements and New Features

HiPE runtime system:

* added notes about supported systems to README

* support 32-bit x86 on FreeBSD

* autoenable HiPE on FreeBSD (32-bit x86) and Solaris (64-bit x86)

* updated x86 runtime system to support glibc-2.5

* work around probable gcc-4.1.1 bug affecting the x86 runtime system

HiPE compiler:

* improved performance of integer multiplications on all platforms

* corrected a code optimisation error in R11B-2 that broke some bsl/bsr operations on all platforms

* corrected a type error in the ARM backend which could cause the compiler to crash

* corrected an error in the SPARC backend's naive register allocator which could throw the compiler into an infinite loop

Own Id: OTP-6423
Hipe 3.6.0
Improvements and New Features

Support for native code on Solaris 10/AMD64.

Support for native code on FreeBSD/AMD64.

Native code now handles external funs (). Native code can now also apply so-called tuple-funs (). (Tuple funs are NOT recommended for new code; they are deprecated and will be removed in some future release.)

Own Id: OTP-6305
Hipe 3.5.6
Improvements and New Features

Improved compilation of receives for the SMP runtime system.

Improved code quality in HiPE compiler on ARM.

Fix bug in handling of re-raised exceptions in try-catch.

(HiPE loader) When native code is incompatible with the current runtime system, fall back to loading the BEAM code.

Own Id: OTP-6127