LoongArch64: Rename core

Use microarchitecture name instead of meaningless strings to name the core,
the legacy core is still retained.
1. Rename LOONGSONGENERIC to LA64_GENERIC
2. Rename LOONGSON3R5 to LA464
3. Rename LOONGSON2K1000 to LA264

.github/workflows/loongarch64.yml

@@ -23,6 +23,15 @@ jobs:
           - target: LOONGSON2K1000
             triple: loongarch64-unknown-linux-gnu
             opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LOONGSON2K1000
+          - target: LA64_GENERIC
+            triple:  loongarch64-unknown-linux-gnu
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA64_GENERIC
+          - target: LA464
+            triple: loongarch64-unknown-linux-gnu
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA464
+          - target: LA264
+            triple: loongarch64-unknown-linux-gnu
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA264
           - target: DYNAMIC_ARCH
             triple: loongarch64-unknown-linux-gnu
             opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=GENERIC

.github/workflows/loongarch64_clang.yml

@@ -20,6 +20,12 @@ jobs:
             opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LOONGSON3R5
           - target: LOONGSON2K1000
             opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LOONGSON2K1000
+          - target: LA64_GENERIC
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA64_GENERIC
+          - target: LA464
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA464
+          - target: LA264
+            opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=LA264
           - target: DYNAMIC_ARCH
             opts: NO_SHARED=1 DYNAMIC_ARCH=1 TARGET=GENERIC
 

Makefile.system

@@ -727,7 +727,7 @@ endif
 endif
 
 ifeq ($(ARCH), loongarch64)
-DYNAMIC_CORE = LOONGSON3R5 LOONGSON2K1000 LOONGSONGENERIC
+DYNAMIC_CORE = LA64_GENERIC LA264 LA464
 endif
 
 ifeq ($(ARCH), riscv64)

TargetList.txt

@@ -126,9 +126,17 @@ x280
 RISCV64_ZVL256B
 
 11.LOONGARCH64:
+// LOONGSONGENERIC/LOONGSON2K1000/LOONGSON3R5 are legacy names,
+// and it is recommended to use the more standardized naming conventions
+// LA64_GENERIC/LA264/LA464. You can still specify TARGET as
+// LOONGSONGENERIC/LOONGSON2K1000/LOONGSON3R5 during compilation or runtime,
+// and they will be internally relocated to LA64_GENERIC/LA264/LA464.
 LOONGSONGENERIC
-LOONGSON3R5
 LOONGSON2K1000
+LOONGSON3R5
+LA64_GENERIC
+LA264
+LA464
 
 12. Elbrus E2000:
 E2K