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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145206 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2011-11-27 22:36:22 +00:00
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@ -1057,18 +1057,16 @@ be used to verify some algorithms.
<div> <div>
<p>PPC32/ELF va_arg was implemented.</p>
<p>PPC32 initial support for .o file writing was implemented.</p>
<p>MicroBlaze scheduling itineraries were added that model the
3-stage and the 5-stage pipeline architectures. The 3-stage
pipeline model can be selected with <code>-mcpu=mblaze3</code>
and the 5-stage pipeline model can be selected with
<code>-mcpu=mblaze5</code>.</p>
<ul> <ul>
<!-- <li>Many PowerPC improvements have been implemented for ELF targets, including
<li></li> support for varargs and initial support for direct .o file emission.</li>
-->
<li>MicroBlaze scheduling itineraries were added that model the
3-stage and the 5-stage pipeline architectures. The 3-stage
pipeline model can be selected with <code>-mcpu=mblaze3</code>
and the 5-stage pipeline model can be selected with
<code>-mcpu=mblaze5</code>.</li>
</ul> </ul>
</div> </div>
@ -1085,27 +1083,31 @@ be used to verify some algorithms.
from the previous release.</p> from the previous release.</p>
<ul> <ul>
<li>LLVM's configure script doesn't depend on llvm-gcc anymore, clean layering.</p> <li>LLVM 3.0 removes support for reading LLVM 2.8 and earlier files, and LLVM
LLVM 3.0 removes support for reading LLVM 2.8 and earlier files. Aim to maintain compatibility all the way back to 3.0 "forever". 3.1 will eliminate support for reading LLVM 2.9 files. Going forward, we
Frontend tests removed from llvm/test/Frontend* aim for all future versions of LLVM to read bitcode files and .ll files
Tablegen has been split into a library, clang tblgen pieces now live in clang. produced by LLVM 3.0.</li>
The llvm version is now named llvm-tblgen instead of tblgen. <li>Tablegen has been split into a library, allowing the clang tblgen pieces
PostOrder Dominator frontiers were removed. now live in the clang tree. The llvm version has been renamed to
LowerSetJmp pass removed, unused. llvm-tblgen instead of tblgen.</li>
<li>The <code>LLVMC</code> meta compiler driver was removed.</li> <li>The <code>LLVMC</code> meta compiler driver was removed.</li>
<li>The <code>LowerSetJmp</code> pass wasn't used effectively by any <li>The unused PostOrder Dominator Frontiers and LowerSetJmp passes were removed.</li>
target and has been removed.</li>
<li>The old <code>TailDup</code> pass was not used in the standard pipeline <li>The old <code>TailDup</code> pass was not used in the standard pipeline
and was unable to update ssa form, so it has been removed. and was unable to update ssa form, so it has been removed.
<li>The syntax of volatile loads and stores in IR has been changed to <li>The syntax of volatile loads and stores in IR has been changed to
"<code>load volatile</code>"/"<code>store volatile</code>". The old "<code>load volatile</code>"/"<code>store volatile</code>". The old
syntax ("<code>volatile load</code>"/"<code>volatile store</code>") syntax ("<code>volatile load</code>"/"<code>volatile store</code>")
is still accepted, but is now considered deprecated.</li> is still accepted, but is now considered deprecated and will be removed in
3.1.</li>
<li>llvm-gcc's frontend tests have been removed from llvm/test/Frontend*, sunk
into the clang and dragonegg testsuites.</li>
<li>The old atomic intrinsics (<code>llvm.memory.barrier</code> and <li>The old atomic intrinsics (<code>llvm.memory.barrier</code> and
<code>llvm.atomic.*</code>) are now gone. Please use the new atomic <code>llvm.atomic.*</code>) are now gone. Please use the new atomic
instructions, described in the <a href="Atomics.html">atomics guide</a>. instructions, described in the <a href="Atomics.html">atomics guide</a>.
<li>LLVM's configure script doesn't depend on llvm-gcc anymore, eliminating a
strange circular dependence between projects.</li>
</ul> </ul>
<h4>Windows (32-bit)</h4> <h4>Windows (32-bit)</h4>