Speed up x86-64 validator by inlining heavily called routines. Speeds up

src/trusted/validator/x86/ncval_reg_sfi/nc_cpu_checks.c

Index: src/trusted/validator/x86/ncval_reg_sfi/nc_cpu_checks.c
===================================================================
--- src/trusted/validator/x86/ncval_reg_sfi/nc_cpu_checks.c	(revision 6742)
+++ src/trusted/validator/x86/ncval_reg_sfi/nc_cpu_checks.c	(working copy)
@@ -15,13 +15,14 @@
 
 #include "native_client/src/shared/platform/nacl_log.h"
 #include "native_client/src/trusted/validator/x86/nacl_cpuid.h"
-#include "native_client/src/trusted/validator/x86/decoder/nc_inst_iter.h"
 #include "native_client/src/trusted/validator/x86/decoder/nc_inst_state.h"
 #include "native_client/src/trusted/validator/x86/decoder/nc_inst_state_internal.h"
 #include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter.h"
 #include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter_internal.h"
 #include "native_client/src/trusted/validator/x86/nc_segment.h"
 
+#include "native_client/src/trusted/validator/x86/decoder/nc_inst_iter_inl.c"
+
 typedef struct NaClCpuCheckState {
   /* The standard CPU features. */
   CPUFeatures cpu_features;
@@ -171,7 +172,7 @@
   }
   if (squash_me) {
     /* Replace all bytes with the stop instruction. */
-    memset(NaClInstIterGetInstMemory(iter), kNaClFullStop,
+    memset(NaClInstIterGetInstMemoryInline(iter), kNaClFullStop,
            NaClInstStateLength(inst_state));
   }
 }