[PATCH v4] x86: Add more feature definitions to isa-level.h

[Noah Goldstein <goldstein.w.n@gmail.com>]

This commit doesn't change anything in itself.  It is just to add
definitions that will be needed by future patches.
---
 sysdeps/x86/isa-level.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/sysdeps/x86/isa-level.h b/sysdeps/x86/isa-level.h
index f293aea906..2cbce25840 100644
--- a/sysdeps/x86/isa-level.h
+++ b/sysdeps/x86/isa-level.h
@@ -67,15 +67,29 @@
 /* Depending on the minimum ISA level, a feature check result can be a
    compile-time constant.. */
 
+
+/* ISA CPU_FEATURE_USABLE_P defaults.  */
+
 /* ISA level >= 4 guaranteed includes.  */
 #define AVX512F_X86_ISA_LEVEL 4
 #define AVX512VL_X86_ISA_LEVEL 4
 #define AVX512BW_X86_ISA_LEVEL 4
+#define AVX512DQ_X86_ISA_LEVEL 4
 
 /* ISA level >= 3 guaranteed includes.  */
 #define AVX_X86_ISA_LEVEL 3
 #define AVX2_X86_ISA_LEVEL 3
 #define BMI2_X86_ISA_LEVEL 3
+#define MOVBE_X86_ISA_LEVEL 3
+
+/* ISA level >= 2 guaranteed includes.  */
+#define SSE4_2_X86_ISA_LEVEL 2
+#define SSSE3_X86_ISA_LEVEL 2
+
+
+/* ISA CPU_FEATURES_ARCH_P defaults.  */
+
+/* Isa level >= 3 feature(s) enabled.  */
 
 /* NB: This feature is enabled when ISA level >= 3, which was disabled
    for the following CPUs:
@@ -89,6 +103,9 @@
    when ISA level < 3.  */
 #define Prefer_No_VZEROUPPER_X86_ISA_LEVEL 3
 
+/* Isa level >= 2 feature(s) enabled.  */
+#define Fast_Unaligned_Load_X86_ISA_LEVEL 2
+
 /* Both X86_ISA_CPU_FEATURE_USABLE_P and X86_ISA_CPU_FEATURES_ARCH_P
    macros are wrappers for the respective CPU_FEATURE{S}_{USABLE|ARCH}_P
    runtime checks.  They differ in two ways.
-- 
2.34.1