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Diffstat (limited to 'sysdeps/x86/cpu-features.h')
-rw-r--r--sysdeps/x86/cpu-features.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.h b/sysdeps/x86/cpu-features.h
index 93bee69eaf..5e09a2ab05 100644
--- a/sysdeps/x86/cpu-features.h
+++ b/sysdeps/x86/cpu-features.h
@@ -34,6 +34,7 @@
#define bit_I586 (1 << 14)
#define bit_I686 (1 << 15)
#define bit_Prefer_MAP_32BIT_EXEC (1 << 16)
+#define bit_Prefer_No_VZEROUPPER (1 << 17)
/* CPUID Feature flags. */
@@ -99,6 +100,8 @@
# define index_I586 FEATURE_INDEX_1*FEATURE_SIZE
# define index_I686 FEATURE_INDEX_1*FEATURE_SIZE
# define index_Prefer_MAP_32BIT_EXEC FEATURE_INDEX_1*FEATURE_SIZE
+# define index_Prefer_No_VZEROUPPER FEATURE_INDEX_1*FEATURE_SIZE
+
# if defined (_LIBC) && !IS_IN (nonlib)
# ifdef __x86_64__
@@ -251,6 +254,7 @@ extern const struct cpu_features *__get_cpu_features (void)
# define index_I586 FEATURE_INDEX_1
# define index_I686 FEATURE_INDEX_1
# define index_Prefer_MAP_32BIT_EXEC FEATURE_INDEX_1
+# define index_Prefer_No_VZEROUPPER FEATURE_INDEX_1
#endif /* !__ASSEMBLER__ */