commit b8e6c50cfa2d4c4b73e071d0e836a2667db010b1
author David 'Digit' Turner <digit@google.com> Thu Mar 25 09:54:33 2010 -0700
committer David 'Digit' Turner <digit@google.com> Wed Jun 09 13:18:29 2010 -0700
tree f9226eca1f1bce43e0e483a2a4713af2f414911f
parent aa4b1d042927872224e4bf5d22e4db5367e389fa

Fix setjmp()/longjmp() to save FP registers on ARMv7. - DO NOT MERGE

Change-Id: I3a0c2c05e295ac05ed51a531dabda668be204ca0

libc/arch-arm/include/machine/cpu-features.h

diff --git a/libc/arch-arm/include/machine/cpu-features.h b/libc/arch-arm/include/machine/cpu-features.h
index 0f969fa..39c1db3 100644
--- a/libc/arch-arm/include/machine/cpu-features.h
+++ b/libc/arch-arm/include/machine/cpu-features.h
@@ -170,6 +170,19 @@
 #  define __ARM_HAVE_LDREXD
 #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 */