From 16d2ea4c821502948d193a152c8b151f5497a0d3 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 26 Jul 2009 16:10:00 -0700 Subject: Make sure no code in ld.so uses xmm/ymm registers on x86-64. This patch introduces a test to make sure no function modifies the xmm/ymm registers. With the exception of the auditing functions. The test is probably too pessimistic. All code linked into ld.so is checked. Perhaps at some point the callgraph starting from _dl_fixup and _dl_profile_fixup is checked and we can start using faster SSE-using functions in parts of ld.so. --- sysdeps/x86_64/rtld-memchr.c | 1 + 1 file changed, 1 insertion(+) create mode 100644 sysdeps/x86_64/rtld-memchr.c (limited to 'sysdeps/x86_64/rtld-memchr.c') diff --git a/sysdeps/x86_64/rtld-memchr.c b/sysdeps/x86_64/rtld-memchr.c new file mode 100644 index 0000000000..f63fefbcec --- /dev/null +++ b/sysdeps/x86_64/rtld-memchr.c @@ -0,0 +1 @@ +#include -- cgit v1.2.3