From 08a300c956feeca7ccb9081f88701229da8e25c5 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 7 Sep 2011 21:38:23 -0400 Subject: [PATCH] Simplify AVX check --- ChangeLog | 5 +++++ sysdeps/x86_64/dl-trampoline.S | 5 +---- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 3011a5a..0eb1acc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2011-07-24 H.J. Lu + + * sysdeps/x86_64/dl-trampoline.S (_dl_runtime_profile): Simplify + AVX check. + 2011-09-07 Ulrich Drepper * sysdeps/unix/sysv/linux/x86_64/init-first.c diff --git a/sysdeps/x86_64/dl-trampoline.S b/sysdeps/x86_64/dl-trampoline.S index 258c609..6523c92 100644 --- a/sysdeps/x86_64/dl-trampoline.S +++ b/sysdeps/x86_64/dl-trampoline.S @@ -149,10 +149,7 @@ L(have_avx): // Get XFEATURE_ENABLED_MASK xgetbv andl $0x6, %eax - cmpl $0x6, %eax - // Nonzero if SSE and AVX state saving is enabled. - sete %al -2: leal -1(%eax,%eax), %eax +2: subl $0x5, %eax movl %eax, L(have_avx)(%rip) cmpl $0, %eax -- 2.7.4