Add rdpid instruction

Add the RDPID instruction, documented in the Intel SDM October 2016.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/test/rdpid.asm b/test/rdpid.asm
new file mode 100644
index 00000000..76d9fc26
--- /dev/null
+++ b/test/rdpid.asm
@@ -0,0 +1,21 @@
+%ifdef ERROR
+  %define ERR(x) x
+%else
+  %define ERR(x)
+%endif
+
+	bits 16
+
+	rdpid eax
+	ERR(rdpid ax)
+
+	bits 32
+
+	rdpid ebx
+	ERR(rdpid bx)
+
+	bits 64
+
+	rdpid rcx
+	rdpid ecx
+	ERR(rdpid cx)