diff options
| author | Eric Christopher <echristo@apple.com> | 2010-10-25 21:17:59 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-10-25 21:17:59 +0000 |
| commit | a473c9593bf50cd5d9ed2d36ea0b6210fcf45690 (patch) | |
| tree | 8597d7abe014cbe7c0c09fa643358332e903398f /www/compatibility.html | |
| parent | d8f0ade43ee3f9d13d2d98b7a3d07468c2b4096e (diff) | |
| download | clang-a473c9593bf50cd5d9ed2d36ea0b6210fcf45690.tar.gz | |
Add and describe a quick script to migrate gcc builtins that clang doesn't
know about to the default APIs for x86 vector operations.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117313 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'www/compatibility.html')
| -rw-r--r-- | www/compatibility.html | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/www/compatibility.html b/www/compatibility.html index bd22f9a8dc..68fd025929 100644 --- a/www/compatibility.html +++ b/www/compatibility.html @@ -141,6 +141,16 @@ mentioning these, the fix is simple: switch to the *mmintrin.h functions.</p> architectures respectively. For these, make sure to use the <arm_neon.h> and <altivec.h> headers.</p> +<p>For x86 architectures this <a href="builtins.py">script</a> should help with +the manual migration process. It will rewrite your source files in place to +use the APIs instead of builtin function calls. Just call it like this:</p> + +<pre> + builtins.py *.c *.h +</pre> + +<p>and it will rewrite all of the .c and .h files in the current directory to +use the API calls instead of calls like <tt>__builtin_ia32_paddw128</tt>.</p> <!-- ======================================================================= --> <h3 id="lvalue-cast">Lvalue casts</h3> |