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| author | Jeffrey Yasskin <jyasskin@google.com> | 2010-01-11 18:53:47 +0000 |
|---|---|---|
| committer | Jeffrey Yasskin <jyasskin@google.com> | 2010-01-11 18:53:47 +0000 |
| commit | 81e7fb15e9273f72c1cf6e72f7608759c07e0642 (patch) | |
| tree | bba5f1bdf008060c47c38ad27ceeaaf2ead6054c /llvm/docs/CodeGenerator.html | |
| parent | 133bc74d7a98f0f0af70ca4e41e27fdccae0279c (diff) | |
| download | bcm5719-llvm-81e7fb15e9273f72c1cf6e72f7608759c07e0642.tar.gz bcm5719-llvm-81e7fb15e9273f72c1cf6e72f7608759c07e0642.zip | |
Update the -tailcallopt description to match djg's improvements to the calling
convention.
llvm-svn: 93167
Diffstat (limited to 'llvm/docs/CodeGenerator.html')
| -rw-r--r-- | llvm/docs/CodeGenerator.html | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/llvm/docs/CodeGenerator.html b/llvm/docs/CodeGenerator.html index cc3a541e9c9..4c87efaad06 100644 --- a/llvm/docs/CodeGenerator.html +++ b/llvm/docs/CodeGenerator.html @@ -1731,11 +1731,6 @@ define fastcc i32 @tailcaller(i32 %in1, i32 %in2) { (because one or more of above constraints are not met) to be followed by a readjustment of the stack. So performance might be worse in such cases.</p> -<p>On x86 and x86-64 one register is reserved for indirect tail calls (e.g via a - function pointer). So there is one less register for integer argument - passing. For x86 this means 2 registers (if <tt>inreg</tt> parameter - attribute is used) and for x86-64 this means 5 register are used.</p> - </div> <!-- ======================================================================= --> <div class="doc_subsection"> |
