Fix track-origin instrumentation for ppc32 following r2270/r12476
(initial DFP support).  Maynard Johnson (maynardj@us.ibm.com).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12480 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/mc_machine.c b/memcheck/mc_machine.c
index 3be57a5..1f1ae25 100644
--- a/memcheck/mc_machine.c
+++ b/memcheck/mc_machine.c
@@ -393,7 +393,8 @@
 
    if (o == GOF(CIA)       && sz == 4) return -1;
    if (o == GOF(IP_AT_SYSCALL) && sz == 4) return -1; /* slot unused */
-   if (o == GOF(FPROUND)   && sz == 4) return -1;
+   if (o == GOF(FPROUND)   && sz == 1) return -1;
+   if (o == GOF(DFPROUND)  && sz == 1) return -1;
    if (o == GOF(VRSAVE)    && sz == 4) return -1;
    if (o == GOF(EMWARN)    && sz == 4) return -1;
    if (o == GOF(TISTART)   && sz == 4) return -1;