Dan Gohman 0700a56860 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.

llvm-svn: 79061
2009-08-15 01:38:56 +00:00
..
2009-08-11 18:01:24 +00:00
2009-08-12 22:10:57 +00:00
2009-08-14 00:01:31 +00:00