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

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

 /*
  * Copyright (c) 2011 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * Checks that CPU ID features match instructions found in executable.
  */
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "native_client/src/trusted/validator/x86/ncval_reg_sfi/nc_cpu_checks.h"
 
 #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_iter_inl.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"
 
 typedef struct NaClCpuCheckState {
   /* The standard CPU features. */
   CPUFeatures cpu_features;
   /* Check that both f_CMOV and f_x87 is defined. */
@@ skipping 135 matching lines @@
       NACL_CHECK_FEATURE(f_SSE2, "SSE2");
       break;
     default:
       break;
   }
   if (state->cur_inst->flags & NACL_IFLAG(LongMode)) {
     NACL_CHECK_FEATURE(f_LM, "LM");
   }
   if (squash_me) {
     /* Replace all bytes with the stop instruction. */
-    memset(NaClInstIterGetInstMemory(iter), kNaClFullStop,
+    memset(NaClInstIterGetInstMemoryInline(iter), kNaClFullStop,
            NaClInstStateLength(inst_state));
   }
 }