[PATCH 4/4] Check __x86_64__ for FPU state

[H.J. Lu]

X32 uses the same FPU state as x86-64. Please install it.  Thanks.


H.J.
---
 libsanitizer/ChangeLog.x32                                       | 6 ++++++
 libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/libsanitizer/ChangeLog.x32 b/libsanitizer/ChangeLog.x32
index 51d0fd4..23b7fc9 100644
--- a/libsanitizer/ChangeLog.x32
+++ b/libsanitizer/ChangeLog.x32
@@ -1,5 +1,11 @@
 2013-11-05  H.J. Lu  <hongjiu...@intel.com>
 
+       * sanitizer_common/sanitizer_platform_limits_posix.cc
+       (struct_user_fpxregs_struct_sz): Initialize to 0 if __x86_64__ is
+       defined.
+
+2013-11-05  H.J. Lu  <hongjiu...@intel.com>
+
        * sanitizer_common/sanitizer_platform_limits_linux.cc
        (struct_kernel_stat64_sz): Initialize to 0 if __x86_64__ is
        defined.
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc 
b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
index 971a193..b771583 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -191,7 +191,7 @@ namespace __sanitizer {
       (defined(__i386) || defined (__x86_64))  // NOLINT
   unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
   unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpregs_struct);
-#if __WORDSIZE == 64
+#ifdef __x86_64
   unsigned struct_user_fpxregs_struct_sz = 0;
 #else
   unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
-- 
1.8.3.1