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| author | Reid Spencer <rspencer@reidspencer.com> | 2004-06-19 18:24:05 +0000 |
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| committer | Reid Spencer <rspencer@reidspencer.com> | 2004-06-19 18:24:05 +0000 |
| commit | c08bc9a3dabfcf45cad7486b508476d81a0e8cbe (patch) | |
| tree | eb41dac9e82abe16e5afdc1eec980efd46a37fa1 /docs/ReleaseNotes.html | |
| parent | 2b994c7206b3872d908468fc926ba8db483cf0a3 (diff) | |
| download | external_llvm-c08bc9a3dabfcf45cad7486b508476d81a0e8cbe.zip external_llvm-c08bc9a3dabfcf45cad7486b508476d81a0e8cbe.tar.gz external_llvm-c08bc9a3dabfcf45cad7486b508476d81a0e8cbe.tar.bz2 | |
Add a note about GCC 3.3.2 optimization bug that causes llc to spin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14250 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/ReleaseNotes.html')
| -rw-r--r-- | docs/ReleaseNotes.html | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 9d199c8..b160b67 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -651,7 +651,13 @@ href="http://gcc.gnu.org/gcc-3.4/changes.html">GCC 3.4 release notes</a>.</li> <div class="doc_text"> <ul> -<li>None so far. + <li>Optimized (Release) versions of LLVM built with GCC 3.3.2 or 3.3.3 will + produce an llc tool that always enters an infinite loop due to what + appears to be an optimization bug (-O2 and -O3) in those versions of GCC. + This problem does not happen in GCC 3.3.1 nor GCC 3.4.0 nor does it happen if + you build a Debug version of LLVM. You are cautioned not to use GCC 3.3.2 or + GCC 3.3.3 to build Optimized versions of LLVM. It is unclear whether this problem + affects other backends but it is unlikely.</li> </ul> </div> |