[AVR] Improve device list

[benshi001]

Summary

1. Fix that atmega8/8a do not support the BREAK instruction
2. Add five more current production devices
3. Fix that the FamilyTiny devices do not have FeatureMMR
4. Fix that atxmega8e5/16e5/32e5 should be in FamilyXMEGAU

[benshi001]

ping

[dylanmckay]

Approved, thanks for the patch!

llvm/lib/Target/AVR/AVRDevices.td

 def FamilyAVR51          : Family<"avr51",
                                  [FamilyAVR5, FeatureELPM, FeatureELPMX]>;
 
 def FamilyAVR6           : Family<"avr6",
                                  [FamilyAVR51]>;
 
 def FamilyTiny           : Family<"avrtiny",
                                  [FamilyAVR0, FeatureBREAK, FeatureSRAM,
-                                  FeatureTinyEncoding, FeatureMMR]>;
+                                  FeatureTinyEncoding]>;
 
 def FamilyXMEGA          : Family<"xmega",
                                  [FamilyAVR0, FeatureLPM, FeatureIJMPCALL, FeatureADDSUBIW,
                                   FeatureSRAM, FeatureJMPCALL, FeatureMultiplication,
                                   FeatureMOVW, FeatureLPMX, FeatureSPM,
                                   FeatureBREAK, FeatureEIJMPCALL, FeatureSPMX,
                                   FeatureDES, FeatureELPM, FeatureELPMX]>;
 

 def : Device<"attiny167",          FamilyAVR35, ELFArchAVR35>;
 def : Device<"at90usb82",          FamilyAVR35, ELFArchAVR35>;
 def : Device<"at90usb162",         FamilyAVR35, ELFArchAVR35>;
 def : Device<"ata5505",            FamilyAVR35, ELFArchAVR35>;
 def : Device<"atmega8u2",          FamilyAVR35, ELFArchAVR35>;
 def : Device<"atmega16u2",         FamilyAVR35, ELFArchAVR35>;
 def : Device<"atmega32u2",         FamilyAVR35, ELFArchAVR35>;
 def : Device<"attiny1634",         FamilyAVR35, ELFArchAVR35>;
-def : Device<"atmega8",            FamilyAVR4,  ELFArchAVR4>; // FIXME: family may be wrong
+def : Device<"atmega8",            FamilyAVR2,  ELFArchAVR4,
+             [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 def : Device<"ata6289",            FamilyAVR4,  ELFArchAVR4>;
-def : Device<"atmega8a",           FamilyAVR4,  ELFArchAVR4>;
+def : Device<"atmega8a",           FamilyAVR2,  ELFArchAVR4,
+             [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 def : Device<"ata6285",            FamilyAVR4,  ELFArchAVR4>;
 def : Device<"ata6286",            FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega48",           FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega48a",          FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega48pa",         FamilyAVR4,  ELFArchAVR4>;
+def : Device<"atmega48pb",         FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega48p",          FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega88",           FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega88a",          FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega88p",          FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega88pa",         FamilyAVR4,  ELFArchAVR4>;
+def : Device<"atmega88pb",         FamilyAVR4,  ELFArchAVR4>;
 def : Device<"atmega8515",         FamilyAVR2,  ELFArchAVR4,
              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 def : Device<"atmega8535",         FamilyAVR2,  ELFArchAVR4,
              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 def : Device<"atmega8hva",         FamilyAVR4,  ELFArchAVR4>;
 def : Device<"at90pwm1",           FamilyAVR4,  ELFArchAVR4>;
 def : Device<"at90pwm2",           FamilyAVR4,  ELFArchAVR4>;
 def : Device<"at90pwm2b",          FamilyAVR4,  ELFArchAVR4>;

 def : Device<"atmega165",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega165a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega165p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega165pa",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega168",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega168a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega168p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega168pa",        FamilyAVR5,  ELFArchAVR5>;
+def : Device<"atmega168pb",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega169",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega169a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega169p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega169pa",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega32",           FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega32a",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega323",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega324a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega324p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega324pa",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega325",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega325a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega325p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega325pa",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3250",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3250a",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3250p",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3250pa",       FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega328",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega328p",         FamilyAVR5,  ELFArchAVR5>;
+def : Device<"atmega328pb",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega329",          FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega329a",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega329p",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega329pa",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3290",         FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3290a",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3290p",        FamilyAVR5,  ELFArchAVR5>;
 def : Device<"atmega3290pa",       FamilyAVR5,  ELFArchAVR5>;