Refs #768. Swap the result of zdot x87 fp kernel.

diff --git a/kernel/x86_64/zdot.S b/kernel/x86_64/zdot.S
index 607b9b9..94d1008 100644 (file)
--- a/kernel/x86_64/zdot.S
+++ b/kernel/x86_64/zdot.S
@@ -244,9 +244,11 @@
 #ifndef CONJ
        fsubp   %st, %st(3)
        faddp   %st, %st(1)
+       fxch    %st(1)
 #else
        faddp   %st, %st(3)
        fsubp   %st, %st(1)
+       fxch    %st(1)
 #endif
        ret
        ALIGN_3