Fix setjmp()/longjmp() to save FP registers on ARMv7.
Change-Id: I8ec684c8f8ca1ae58c8feb330b97d1e2b81caeef
diff --git a/libc/arch-arm/include/machine/cpu-features.h b/libc/arch-arm/include/machine/cpu-features.h
index ecf6ff6..abf226a 100644
--- a/libc/arch-arm/include/machine/cpu-features.h
+++ b/libc/arch-arm/include/machine/cpu-features.h
@@ -156,6 +156,19 @@
# define _ARM_HAVE_LDREX_STREX
#endif
+/* define _ARM_HAVE_VFP if we have VFPv3
+ */
+#if __ARM_ARCH__ >= 7 && defined __VFP_FP__
+# define __ARM_HAVE_VFP
+#endif
+
+/* define _ARM_HAVE_NEON for ARMv7 architecture if we support the
+ * Neon SIMD instruction set extensions. This also implies
+ * that VFPv3-D32 is supported.
+ */
+#if __ARM_ARCH__ >= 7 && defined __ARM_NEON__
+# define __ARM_HAVE_NEON
+#endif
/* Assembly-only macros */