Give different emulation warnings for setting of %mxcsr.fz and  %mxcsr.daz.



git-svn-id: svn://svn.valgrind.org/vex/trunk@658 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/priv/main/vex_main.c b/priv/main/vex_main.c
index 890dbd6..b93ee57 100644
--- a/priv/main/vex_main.c
+++ b/priv/main/vex_main.c
@@ -455,9 +455,11 @@
      case EmWarn_X86_x87precision:
         return "Selection of non-80-bit x87 FP precision";
      case EmWarn_X86_sseExns:
-        return "Unmasking SSE FP exceptionss";
-     case EmWarn_X86_fz_daz:
-        return "Setting MXCSR.FZ or MXCSR.DAZ";
+        return "Unmasking SSE FP exceptions";
+     case EmWarn_X86_fz:
+        return "Setting %mxcsr.fz (SSE flush-underflows-to-zero mode)";
+     case EmWarn_X86_daz:
+        return "Setting %mxcsr.daz (SSE treat-denormals-as-zero mode)";
      default: 
         vpanic("LibVEX_EmWarn_string: unknown warning");
    }