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.prebuild

@@ -99,7 +99,7 @@ endif
 getarch : getarch.c cpuid.S dummy $(CPUIDEMU)
 	avx512=$$(./c_check$(SCRIPTSUFFIX) - - "$(CC)" $(TARGET_FLAGS) $(CFLAGS) | grep NO_AVX512); \
 	rv64gv=$$(./c_check$(SCRIPTSUFFIX) - - "$(CC)" $(TARGET_FLAGS) $(CFLAGS) | grep NO_RV64GV); \
-	$(HOSTCC) $(HOST_CFLAGS) $(EXFLAGS) $${avx512:+-D$${avx512}} $${rv64gv:+-D$${rv64gv}} -o $(@F) getarch.c cpuid.S $(CPUIDEMU)
+	$(HOSTCC) $(HOST_CFLAGS) $(EXFLAGS) $${avx512:+-D$${avx512}} $${rv64gv:+-D$${rv64gv}} -lm -o $(@F) getarch.c cpuid.S $(CPUIDEMU)
 
 getarch_2nd : getarch_2nd.c $(TARGET_CONF) dummy
 ifndef TARGET_CORE

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)
@@ -990,8 +990,8 @@ BINARY_DEFINED = 1
 endif
 
 ifeq ($(ARCH), loongarch64)
-LA64_ABI=$(shell $(CC) -mabi=lp64d -c $(TOPDIR)/cpuid_loongarch64.c -o /dev/null > /dev/null 2> /dev/null && echo lp64d)
-LA64_ARCH=$(shell $(CC) -march=loongarch64 -c $(TOPDIR)/cpuid_loongarch64.c -o /dev/null > /dev/null 2> /dev/null && echo loongarch64)
+LA64_ABI=$(shell $(CC) -mabi=lp64d -lm -c $(TOPDIR)/cpuid_loongarch64.c -o /dev/null > /dev/null 2> /dev/null && echo lp64d)
+LA64_ARCH=$(shell $(CC) -march=loongarch64 -lm -c $(TOPDIR)/cpuid_loongarch64.c -o /dev/null > /dev/null 2> /dev/null && echo loongarch64)
 ifneq ($(LA64_ABI), lp64d)
 LA64_ABI=lp64
 endif

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