| commit | d6708eade079c30b0790789a00a8d737d84f52b7 | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Sat Aug 15 01:38:56 2009 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Sat Aug 15 01:38:56 2009 +0000 |
| tree | 720abdae44505cc03d2eade7835820c39c795c83 | |
| parent | 6325a5305ea9665bb8291037df4849baabd13b81 [diff] |
On x86-64, for a varargs function, don't store the xmm registers to the register save area if %al is 0. This avoids touching xmm regsiters when they aren't actually used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79061 91177308-0d34-0410-b5e6-96231b3b80d8