Author: Tom Vijlbrief
Date: 2025-06-14T23:10:04+08:00
New Revision: 10bc17fc3676b82c7240046a948d2925dd2045d3

URL: 
https://github.com/llvm/llvm-project/commit/10bc17fc3676b82c7240046a948d2925dd2045d3
DIFF: 
https://github.com/llvm/llvm-project/commit/10bc17fc3676b82c7240046a948d2925dd2045d3.diff

LOG: [AVR] Add support for many new AVR MCUs (#143914)

fixes https://github.com/llvm/llvm-project/issues/116116

Added: 
    

Modified: 
    clang/lib/Basic/Targets/AVR.cpp
    clang/lib/Driver/ToolChains/AVR.cpp
    llvm/lib/Target/AVR/AVRDevices.td

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/AVR.cpp b/clang/lib/Basic/Targets/AVR.cpp
index 85ca4bc30c461..bbe7b01ca036d 100644
--- a/clang/lib/Basic/Targets/AVR.cpp
+++ b/clang/lib/Basic/Targets/AVR.cpp
@@ -336,6 +336,9 @@ static MCUInfo AVRMcus[] = {
     {"attiny1624", "__AVR_ATtiny1624__", "103", 1},
     {"attiny1626", "__AVR_ATtiny1626__", "103", 1},
     {"attiny1627", "__AVR_ATtiny1627__", "103", 1},
+    {"attiny3224", "__AVR_ATtiny3224__", "103", 1},
+    {"attiny3226", "__AVR_ATtiny3226__", "103", 1},
+    {"attiny3227", "__AVR_ATtiny3227__", "103", 1},
     {"atmega808", "__AVR_ATmega808__", "103", 1},
     {"atmega809", "__AVR_ATmega809__", "103", 1},
     {"atmega1608", "__AVR_ATmega1608__", "103", 1},
@@ -344,6 +347,72 @@ static MCUInfo AVRMcus[] = {
     {"atmega3209", "__AVR_ATmega3209__", "103", 1},
     {"atmega4808", "__AVR_ATmega4808__", "103", 1},
     {"atmega4809", "__AVR_ATmega4809__", "103", 1},
+
+    // gcc 14 additions:
+
+    {"avr64da28", "__AVR_AVR64DA28__", "102", 1},
+    {"avr64da32", "__AVR_AVR64DA32__", "102", 1},
+    {"avr64da48", "__AVR_AVR64DA48__", "102", 1},
+    {"avr64da64", "__AVR_AVR64DA64__", "102", 1},
+    {"avr64db28", "__AVR_AVR64DB28__", "102", 1},
+    {"avr64db32", "__AVR_AVR64DB32__", "102", 1},
+    {"avr64db48", "__AVR_AVR64DB48__", "102", 1},
+    {"avr64db64", "__AVR_AVR64DB64__", "102", 1},
+    {"avr64dd14", "__AVR_AVR64DD14__", "102", 1},
+    {"avr64dd20", "__AVR_AVR64DD20__", "102", 1},
+    {"avr64dd28", "__AVR_AVR64DD28__", "102", 1},
+    {"avr64dd32", "__AVR_AVR64DD32__", "102", 1},
+    {"avr64du28", "__AVR_AVR64DU28__", "102", 1},
+    {"avr64du32", "__AVR_AVR64DU32__", "102", 1},
+    {"avr64ea28", "__AVR_AVR64EA28__", "102", 1},
+    {"avr64ea32", "__AVR_AVR64EA32__", "102", 1},
+    {"avr64ea48", "__AVR_AVR64EA48__", "102", 1},
+    {"avr64sd28", "__AVR_AVR64SD28__", "102", 1},
+    {"avr64sd32", "__AVR_AVR64SD32__", "102", 1},
+    {"avr64sd48", "__AVR_AVR64SD48__", "102", 1},
+
+    {"avr16dd20", "__AVR_AVR16DD20__", "103", 1},
+    {"avr16dd28", "__AVR_AVR16DD28__", "103", 1},
+    {"avr16dd32", "__AVR_AVR16DD32__", "103", 1},
+    {"avr16du14", "__AVR_AVR16DU14__", "103", 1},
+    {"avr16du20", "__AVR_AVR16DU20__", "103", 1},
+    {"avr16du28", "__AVR_AVR16DU28__", "103", 1},
+    {"avr16du32", "__AVR_AVR16DU32__", "103", 1},
+    {"avr32da28", "__AVR_AVR32DA28__", "103", 1},
+    {"avr32da32", "__AVR_AVR32DA32__", "103", 1},
+    {"avr32da48", "__AVR_AVR32DA48__", "103", 1},
+    {"avr32db28", "__AVR_AVR32DB28__", "103", 1},
+    {"avr32db32", "__AVR_AVR32DB32__", "103", 1},
+    {"avr32db48", "__AVR_AVR32DB48__", "103", 1},
+    {"avr32dd14", "__AVR_AVR32DD14__", "103", 1},
+    {"avr32dd20", "__AVR_AVR32DD20__", "103", 1},
+    {"avr32dd28", "__AVR_AVR32DD28__", "103", 1},
+    {"avr32dd32", "__AVR_AVR32DD32__", "103", 1},
+    {"avr32du14", "__AVR_AVR32DU14__", "103", 1},
+    {"avr32du20", "__AVR_AVR32DU20__", "103", 1},
+    {"avr32du28", "__AVR_AVR32DU28__", "103", 1},
+    {"avr32du32", "__AVR_AVR32DU32__", "103", 1},
+    {"avr16eb14", "__AVR_AVR16EB14__", "103", 1},
+    {"avr16eb20", "__AVR_AVR16EB20__", "103", 1},
+    {"avr16eb28", "__AVR_AVR16EB28__", "103", 1},
+    {"avr16eb32", "__AVR_AVR16EB32__", "103", 1},
+    {"avr16ea28", "__AVR_AVR16EA28__", "103", 1},
+    {"avr16ea32", "__AVR_AVR16EA32__", "103", 1},
+    {"avr16ea48", "__AVR_AVR16EA48__", "103", 1},
+    {"avr32ea28", "__AVR_AVR32EA28__", "103", 1},
+    {"avr32ea32", "__AVR_AVR32EA32__", "103", 1},
+    {"avr32ea48", "__AVR_AVR32EA48__", "103", 1},
+    {"avr32sd20", "__AVR_AVR32SD20__", "103", 1},
+    {"avr32sd28", "__AVR_AVR32SD28__", "103", 1},
+    {"avr32sd32", "__AVR_AVR32SD32__", "103", 1},
+    {"avr128da28", "__AVR_AVR128DA28__", "104", 2},
+    {"avr128da32", "__AVR_AVR128DA32__", "104", 2},
+    {"avr128da48", "__AVR_AVR128DA48__", "104", 2},
+    {"avr128da64", "__AVR_AVR128DA64__", "104", 2},
+    {"avr128db28", "__AVR_AVR128DB28__", "104", 2},
+    {"avr128db32", "__AVR_AVR128DB32__", "104", 2},
+    {"avr128db48", "__AVR_AVR128DB48__", "104", 2},
+    {"avr128db64", "__AVR_AVR128DB64__", "104", 2},
 };
 
 } // namespace targets

diff  --git a/clang/lib/Driver/ToolChains/AVR.cpp 
b/clang/lib/Driver/ToolChains/AVR.cpp
index b0523a7f4e40e..731076d9754a9 100644
--- a/clang/lib/Driver/ToolChains/AVR.cpp
+++ b/clang/lib/Driver/ToolChains/AVR.cpp
@@ -326,8 +326,78 @@ constexpr struct {
     {"attiny1624", "avrxmega3", "avrxmega3", 0x803800},
     {"attiny1626", "avrxmega3", "avrxmega3", 0x803800},
     {"attiny1627", "avrxmega3", "avrxmega3", 0x803800},
+    {"attiny3224", "avrxmega3", "avrxmega3", 0x803400},
+    {"attiny3226", "avrxmega3", "avrxmega3", 0x803400},
+    {"attiny3227", "avrxmega3", "avrxmega3", 0x803400},
     {"attiny3216", "avrxmega3", "avrxmega3", 0x803800},
     {"attiny3217", "avrxmega3", "avrxmega3", 0x803800},
+
+    // gcc 14 additions:
+
+    {"avr64da28", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64da32", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64da48", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64da64", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64db28", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64db32", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64db48", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64db64", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64dd14", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64dd20", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64dd28", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64dd32", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64du28", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64du32", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64ea28", "avrxmega2", "avrxmega2", 0x806800},
+    {"avr64ea32", "avrxmega2", "avrxmega2", 0x806800},
+    {"avr64ea48", "avrxmega2", "avrxmega2", 0x806800},
+    {"avr64sd28", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64sd32", "avrxmega2", "avrxmega2", 0x806000},
+    {"avr64sd48", "avrxmega2", "avrxmega2", 0x806000},
+
+    {"avr16dd20", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16dd28", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16dd32", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16du14", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16du20", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16du28", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16du32", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr32da28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32da32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32da48", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32db28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32db32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32db48", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32dd14", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32dd20", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32dd28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32dd32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32du14", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32du20", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32du28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32du32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr16eb14", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16eb20", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16eb28", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16eb32", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16ea28", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16ea32", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr16ea48", "avrxmega3", "avrxmega3", 0x807800},
+    {"avr32ea28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32ea32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32ea48", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32sd20", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32sd28", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr32sd32", "avrxmega3", "avrxmega3", 0x807000},
+    {"avr128da28", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128da32", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128da48", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128da64", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128db28", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128db32", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128db48", "avrxmega4", "avrxmega4", 0x804000},
+    {"avr128db64", "avrxmega4", "avrxmega4", 0x804000},
+
 };
 
 std::string GetMCUSubPath(StringRef MCUName) {

diff  --git a/llvm/lib/Target/AVR/AVRDevices.td 
b/llvm/lib/Target/AVR/AVRDevices.td
index 56147bb473bc4..efe78391f7319 100644
--- a/llvm/lib/Target/AVR/AVRDevices.td
+++ b/llvm/lib/Target/AVR/AVRDevices.td
@@ -215,6 +215,13 @@ def FamilyXMEGA3 : Family<"xmega3",
                            FeatureMultiplication, FeatureMOVW, FeatureLPMX,
                            FeatureBREAK, FeatureLowByteFirst]>;
 
+def FamilyXMEGA4 : Family<"xmega4",
+                          [FamilyAVR0, FeatureLPM, FeatureIJMPCALL,
+                           FeatureADDSUBIW, FeatureSRAM, FeatureJMPCALL,
+                           FeatureMultiplication, FeatureMOVW, FeatureLPMX,
+                           FeatureELPM,
+                           FeatureBREAK, FeatureLowByteFirst]>;
+
 def FamilyXMEGA : Family<"xmega",
                          [FamilyAVR0, FeatureLPM, FeatureIJMPCALL,
                           FeatureADDSUBIW, FeatureSRAM, FeatureJMPCALL,
@@ -567,6 +574,9 @@ def : Device<"attiny3217", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"attiny1624", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"attiny1626", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"attiny1627", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"attiny3224", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"attiny3226", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"attiny3227", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega808", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega809", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega1608", FamilyXMEGA3, ELFArchXMEGA3>;
@@ -575,3 +585,69 @@ def : Device<"atmega3208", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega3209", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega4808", FamilyXMEGA3, ELFArchXMEGA3>;
 def : Device<"atmega4809", FamilyXMEGA3, ELFArchXMEGA3>;
+
+// Additions from gcc 14:
+
+def : Device<"avr64da28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64da32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64da48", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64da64", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64db28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64db32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64db48", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64db64", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64dd14", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64dd20", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64dd28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64dd32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64du28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64du32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64ea28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64ea32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64ea48", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64sd28", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64sd32", FamilyXMEGA2, ELFArchXMEGA2>;
+def : Device<"avr64sd48", FamilyXMEGA2, ELFArchXMEGA2>;
+
+def : Device<"avr16dd20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16dd28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16dd32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16du14", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16du20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16du28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16du32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32da28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32da32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32da48", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32db28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32db32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32db48", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32dd14", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32dd20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32dd28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32dd32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32du14", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32du20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32du28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32du32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16eb14", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16eb20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16eb28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16eb32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16ea28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16ea32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr16ea48", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32ea28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32ea32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32ea48", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32sd20", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32sd28", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr32sd32", FamilyXMEGA3, ELFArchXMEGA3>;
+def : Device<"avr128da28", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128da32", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128da48", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128da64", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128db28", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128db32", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128db48", FamilyXMEGA4, ELFArchXMEGA4>;
+def : Device<"avr128db64", FamilyXMEGA4, ELFArchXMEGA4>;


        
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