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

src/trusted/validator/x86/x86_insts.c

Index: src/trusted/validator/x86/x86_insts.c
===================================================================
--- src/trusted/validator/x86/x86_insts.c	(revision 6742)
+++ src/trusted/validator/x86/x86_insts.c	(working copy)
@@ -6,6 +6,8 @@
 
 #include "native_client/src/trusted/validator/x86/x86_insts.h"
 
+#include "native_client/src/trusted/validator/x86/x86_insts_inl.c"
+
 /* Defines the range of possible (initial) opcodes for x87 instructions. */
 const uint8_t kFirstX87Opcode = 0xd8;
 const uint8_t kLastX87Opcode = 0xdf;
@@ -20,11 +22,22 @@
 const int kMaxPrefixBytes = 4;
 
 /* Accessors for the ModRm byte. */
-uint8_t modrm_mod(uint8_t modrm) { return ((modrm >> 6) & 0x03);}
-uint8_t modrm_rm(uint8_t modrm) { return (modrm & 0x07); }
-uint8_t modrm_reg(uint8_t modrm) { return ((modrm >> 3) & 0x07); }
-uint8_t modrm_opcode(uint8_t modrm) { return modrm_reg(modrm); }
+uint8_t modrm_mod(uint8_t modrm) {
+  return modrm_modInline(modrm);
+}
 
+uint8_t modrm_rm(uint8_t modrm) {
+  return modrm_rmInline(modrm);
+}
+
+uint8_t modrm_reg(uint8_t modrm) {
+  return modrm_regInline(modrm);
+}
+
+uint8_t modrm_opcode(uint8_t modrm) {
+  return modrm_opcodeInline(modrm);
+}
+
 /* Accessors for the Sib byte. */
 uint8_t sib_ss(uint8_t sib) { return ((sib >> 6) & 0x03); }
 uint8_t sib_index(uint8_t sib) { return ((sib >> 3) & 0x07); }