[PATCH] i386: Disable check_consistency for GCC 5 and above [BZ #25788]
H.J. Lu
hjl.tools@gmail.com
Mon Apr 6 13:24:45 GMT 2020
check_consistency should be disabled for GCC 5 and above since there is
no fixed PIC register in GCC 5 and above. Check __GNUC_PREREQ (5,0)
instead OPTIMIZE_FOR_GCC_5 since OPTIMIZE_FOR_GCC_5 is false with
-fno-omit-frame-pointer.
---
sysdeps/unix/sysv/linux/i386/sysdep.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 5e3888060b..6671afe65e 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -580,8 +580,9 @@ struct libc_do_syscall_args
# define EXTRAVAR_5
#endif
-/* Consistency check for position-independent code. */
-#if defined __PIC__ && !defined OPTIMIZE_FOR_GCC_5
+/* Consistency check for position-independent code. Disabled for GCC 5
+ and above since there is no fixed PIC register in GCC 5 and above. */
+#if defined __PIC__ && !__GNUC_PREREQ (5,0)
# define check_consistency() \
({ int __res; \
__asm__ __volatile__ \
--
2.25.1
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