Commit 61c67a9833

Andrew Kelley <andrew@ziglang.org>
2020-02-21 17:47:34
remove sub-arch from stage1
1 parent ab56d3e
src/codegen.cpp
@@ -8711,7 +8711,6 @@ static Error define_builtin_compile_vars(CodeGen *g) {
     cache_int(&cache_hash, g->code_model);
     cache_int(&cache_hash, g->zig_target->is_native);
     cache_int(&cache_hash, g->zig_target->arch);
-    cache_int(&cache_hash, g->zig_target->sub_arch);
     cache_int(&cache_hash, g->zig_target->vendor);
     cache_int(&cache_hash, g->zig_target->os);
     cache_int(&cache_hash, g->zig_target->abi);
@@ -9616,7 +9615,6 @@ Error create_c_object_cache(CodeGen *g, CacheHash **out_cache_hash, bool verbose
     cache_list_of_str(cache_hash, g->libc_include_dir_list, g->libc_include_dir_len);
     cache_int(cache_hash, g->zig_target->is_native);
     cache_int(cache_hash, g->zig_target->arch);
-    cache_int(cache_hash, g->zig_target->sub_arch);
     cache_int(cache_hash, g->zig_target->vendor);
     cache_int(cache_hash, g->zig_target->os);
     cache_int(cache_hash, g->zig_target->abi);
@@ -10380,7 +10378,6 @@ static Error check_cache(CodeGen *g, Buf *manifest_dir, Buf *digest) {
     cache_int(ch, g->out_type);
     cache_bool(ch, g->zig_target->is_native);
     cache_int(ch, g->zig_target->arch);
-    cache_int(ch, g->zig_target->sub_arch);
     cache_int(ch, g->zig_target->vendor);
     cache_int(ch, g->zig_target->os);
     cache_int(ch, g->zig_target->abi);
src/glibc.cpp
@@ -116,10 +116,8 @@ Error glibc_load_metadata(ZigGLibCAbi **out_result, Buf *zig_lib_dir, bool verbo
                     assert(opt_abi.is_some);
 
 
-                    err = target_parse_archsub(&target->arch, &target->sub_arch,
-                            (char*)opt_arch.value.ptr, opt_arch.value.len);
-                    // there's no sub arch so we might get an error, but the arch is still populated
-                    assert(err == ErrorNone || err == ErrorUnknownArchitecture);
+                    err = target_parse_arch(&target->arch, (char*)opt_arch.value.ptr, opt_arch.value.len);
+                    assert(err == ErrorNone);
 
                     target->os = OsLinux;
 
src/stage2.cpp
@@ -125,9 +125,7 @@ Error stage2_target_parse(struct ZigTarget *target, const char *zig_triple, cons
         if (!opt_archsub.is_some)
             return ErrorMissingArchitecture;
 
-        if ((err = target_parse_archsub(&target->arch, &target->sub_arch,
-                        (char*)opt_archsub.value.ptr, opt_archsub.value.len)))
-        {
+        if ((err = target_parse_arch(&target->arch, (char*)opt_archsub.value.ptr, opt_archsub.value.len))) {
             return err;
         }
 
src/stage2.h
@@ -279,12 +279,11 @@ struct Stage2TargetData;
 // ABI warning
 struct ZigTarget {
     enum ZigLLVM_ArchType arch;
-    enum ZigLLVM_SubArchType sub_arch;
-
     enum ZigLLVM_VendorType vendor;
-    enum ZigLLVM_EnvironmentType abi;
 
+    enum ZigLLVM_EnvironmentType abi;
     Os os;
+
     bool is_native;
 
     struct ZigGLibCVersion *glibc_version; // null means default
src/target.cpp
@@ -15,60 +15,6 @@
 
 #include <stdio.h>
 
-static const SubArchList subarch_list_list[] = {
-    SubArchListNone,
-    SubArchListArm32,
-    SubArchListArm64,
-    SubArchListKalimba,
-    SubArchListMips,
-};
-
-static const ZigLLVM_SubArchType subarch_list_arm32[] = {
-    ZigLLVM_ARMSubArch_v8_5a,
-    ZigLLVM_ARMSubArch_v8_4a,
-    ZigLLVM_ARMSubArch_v8_3a,
-    ZigLLVM_ARMSubArch_v8_2a,
-    ZigLLVM_ARMSubArch_v8_1a,
-    ZigLLVM_ARMSubArch_v8,
-    ZigLLVM_ARMSubArch_v8r,
-    ZigLLVM_ARMSubArch_v8m_baseline,
-    ZigLLVM_ARMSubArch_v8m_mainline,
-    ZigLLVM_ARMSubArch_v8_1m_mainline,
-    ZigLLVM_ARMSubArch_v7,
-    ZigLLVM_ARMSubArch_v7em,
-    ZigLLVM_ARMSubArch_v7m,
-    ZigLLVM_ARMSubArch_v7s,
-    ZigLLVM_ARMSubArch_v7k,
-    ZigLLVM_ARMSubArch_v7ve,
-    ZigLLVM_ARMSubArch_v6,
-    ZigLLVM_ARMSubArch_v6m,
-    ZigLLVM_ARMSubArch_v6k,
-    ZigLLVM_ARMSubArch_v6t2,
-    ZigLLVM_ARMSubArch_v5,
-    ZigLLVM_ARMSubArch_v5te,
-    ZigLLVM_ARMSubArch_v4t,
-
-};
-
-static const ZigLLVM_SubArchType subarch_list_arm64[] = {
-    ZigLLVM_ARMSubArch_v8_5a,
-    ZigLLVM_ARMSubArch_v8_4a,
-    ZigLLVM_ARMSubArch_v8_3a,
-    ZigLLVM_ARMSubArch_v8_2a,
-    ZigLLVM_ARMSubArch_v8_1a,
-    ZigLLVM_ARMSubArch_v8,
-};
-
-static const ZigLLVM_SubArchType subarch_list_kalimba[] = {
-    ZigLLVM_KalimbaSubArch_v5,
-    ZigLLVM_KalimbaSubArch_v4,
-    ZigLLVM_KalimbaSubArch_v3,
-};
-
-static const ZigLLVM_SubArchType subarch_list_mips[] = {
-    ZigLLVM_MipsSubArch_r6,
-};
-
 static const ZigLLVM_ArchType arch_list[] = {
     ZigLLVM_arm,            // ARM (little endian): arm, armv.*, xscale
     ZigLLVM_armeb,          // ARM (big endian): armeb
@@ -509,7 +455,6 @@ void get_native_target(ZigTarget *target) {
     ZigLLVM_ObjectFormatType oformat; // ignored; based on arch/os
     ZigLLVMGetNativeTarget(
             &target->arch,
-            &target->sub_arch,
             &target->vendor,
             &os_type,
             &target->abi,
@@ -535,223 +480,18 @@ void target_init_default_glibc_version(ZigTarget *target) {
     *target->glibc_version = {2, 17, 0};
 }
 
-Error target_parse_archsub(ZigLLVM_ArchType *out_arch, ZigLLVM_SubArchType *out_sub,
-        const char *archsub_ptr, size_t archsub_len)
-{
+Error target_parse_arch(ZigLLVM_ArchType *out_arch, const char *arch_ptr, size_t arch_len) {
     *out_arch = ZigLLVM_UnknownArch;
-    *out_sub = ZigLLVM_NoSubArch;
     for (size_t arch_i = 0; arch_i < array_length(arch_list); arch_i += 1) {
         ZigLLVM_ArchType arch = arch_list[arch_i];
-        SubArchList sub_arch_list = target_subarch_list(arch);
-        size_t subarch_count = target_subarch_count(sub_arch_list);
-        if (mem_eql_str(archsub_ptr, archsub_len, target_arch_name(arch))) {
+        if (mem_eql_str(arch_ptr, arch_len, target_arch_name(arch))) {
             *out_arch = arch;
-            if (subarch_count == 0) {
-                return ErrorNone;
-            }
-        }
-        for (size_t sub_i = 0; sub_i < subarch_count; sub_i += 1) {
-            ZigLLVM_SubArchType sub = target_subarch_enum(sub_arch_list, sub_i);
-            char arch_name[64];
-            int n = sprintf(arch_name, "%s%s", target_arch_name(arch), target_subarch_name(sub));
-            if (mem_eql_mem(arch_name, n, archsub_ptr, archsub_len)) {
-                *out_arch = arch;
-                *out_sub = sub;
-                return ErrorNone;
-            }
+            return ErrorNone;
         }
     }
     return ErrorUnknownArchitecture;
 }
 
-SubArchList target_subarch_list(ZigLLVM_ArchType arch) {
-    switch (arch) {
-        case ZigLLVM_UnknownArch:
-            zig_unreachable();
-        case ZigLLVM_arm:
-        case ZigLLVM_armeb:
-        case ZigLLVM_thumb:
-        case ZigLLVM_thumbeb:
-            return SubArchListArm32;
-
-        case ZigLLVM_aarch64:
-        case ZigLLVM_aarch64_be:
-        case ZigLLVM_aarch64_32:
-            return SubArchListArm64;
-
-        case ZigLLVM_kalimba:
-            return SubArchListKalimba;
-
-        case ZigLLVM_arc:
-        case ZigLLVM_avr:
-        case ZigLLVM_bpfel:
-        case ZigLLVM_bpfeb:
-        case ZigLLVM_hexagon:
-        case ZigLLVM_mips:
-        case ZigLLVM_mipsel:
-        case ZigLLVM_mips64:
-        case ZigLLVM_mips64el:
-        case ZigLLVM_msp430:
-        case ZigLLVM_ppc:
-        case ZigLLVM_ppc64:
-        case ZigLLVM_ppc64le:
-        case ZigLLVM_r600:
-        case ZigLLVM_amdgcn:
-        case ZigLLVM_riscv32:
-        case ZigLLVM_riscv64:
-        case ZigLLVM_sparc:
-        case ZigLLVM_sparcv9:
-        case ZigLLVM_sparcel:
-        case ZigLLVM_systemz:
-        case ZigLLVM_tce:
-        case ZigLLVM_tcele:
-        case ZigLLVM_x86:
-        case ZigLLVM_x86_64:
-        case ZigLLVM_xcore:
-        case ZigLLVM_nvptx:
-        case ZigLLVM_nvptx64:
-        case ZigLLVM_le32:
-        case ZigLLVM_le64:
-        case ZigLLVM_amdil:
-        case ZigLLVM_amdil64:
-        case ZigLLVM_hsail:
-        case ZigLLVM_hsail64:
-        case ZigLLVM_spir:
-        case ZigLLVM_spir64:
-        case ZigLLVM_shave:
-        case ZigLLVM_lanai:
-        case ZigLLVM_wasm32:
-        case ZigLLVM_wasm64:
-        case ZigLLVM_renderscript32:
-        case ZigLLVM_renderscript64:
-            return SubArchListNone;
-    }
-    zig_unreachable();
-}
-
-size_t target_subarch_count(SubArchList sub_arch_list) {
-    switch (sub_arch_list) {
-        case SubArchListNone:
-            return 0;
-        case SubArchListArm32:
-            return array_length(subarch_list_arm32);
-        case SubArchListArm64:
-            return array_length(subarch_list_arm64);
-        case SubArchListKalimba:
-            return array_length(subarch_list_kalimba);
-        case SubArchListMips:
-            return array_length(subarch_list_mips);
-    }
-    zig_unreachable();
-}
-
-ZigLLVM_SubArchType target_subarch_enum(SubArchList sub_arch_list, size_t i) {
-    switch (sub_arch_list) {
-        case SubArchListNone:
-            zig_unreachable();
-        case SubArchListArm32:
-            assert(i < array_length(subarch_list_arm32));
-            return subarch_list_arm32[i];
-        case SubArchListArm64:
-            assert(i < array_length(subarch_list_arm64));
-            return subarch_list_arm64[i];
-        case SubArchListKalimba:
-            assert(i < array_length(subarch_list_kalimba));
-            return subarch_list_kalimba[i];
-        case SubArchListMips:
-            assert(i < array_length(subarch_list_mips));
-            return subarch_list_mips[i];
-    }
-    zig_unreachable();
-}
-
-const char *target_subarch_name(ZigLLVM_SubArchType subarch) {
-    switch (subarch) {
-        case ZigLLVM_NoSubArch:
-            return "";
-        case ZigLLVM_ARMSubArch_v8_5a:
-            return "v8_5a";
-        case ZigLLVM_ARMSubArch_v8_4a:
-            return "v8_4a";
-        case ZigLLVM_ARMSubArch_v8_3a:
-            return "v8_3a";
-        case ZigLLVM_ARMSubArch_v8_2a:
-            return "v8_2a";
-        case ZigLLVM_ARMSubArch_v8_1a:
-            return "v8_1a";
-        case ZigLLVM_ARMSubArch_v8:
-            return "v8a";
-        case ZigLLVM_ARMSubArch_v8r:
-            return "v8r";
-        case ZigLLVM_ARMSubArch_v8m_baseline:
-            return "v8m_baseline";
-        case ZigLLVM_ARMSubArch_v8m_mainline:
-            return "v8m_mainline";
-        case ZigLLVM_ARMSubArch_v8_1m_mainline:
-            return "v8_1m_mainline";
-        case ZigLLVM_ARMSubArch_v7:
-            return "v7a";
-        case ZigLLVM_ARMSubArch_v7em:
-            return "v7em";
-        case ZigLLVM_ARMSubArch_v7m:
-            return "v7m";
-        case ZigLLVM_ARMSubArch_v7s:
-            return "v7s";
-        case ZigLLVM_ARMSubArch_v7k:
-            return "v7k";
-        case ZigLLVM_ARMSubArch_v7ve:
-            return "v7ve";
-        case ZigLLVM_ARMSubArch_v6:
-            return "v6";
-        case ZigLLVM_ARMSubArch_v6m:
-            return "v6m";
-        case ZigLLVM_ARMSubArch_v6k:
-            return "v6k";
-        case ZigLLVM_ARMSubArch_v6t2:
-            return "v6t2";
-        case ZigLLVM_ARMSubArch_v5:
-            return "v5";
-        case ZigLLVM_ARMSubArch_v5te:
-            return "v5te";
-        case ZigLLVM_ARMSubArch_v4t:
-            return "v4t";
-        case ZigLLVM_KalimbaSubArch_v3:
-            return "v3";
-        case ZigLLVM_KalimbaSubArch_v4:
-            return "v4";
-        case ZigLLVM_KalimbaSubArch_v5:
-            return "v5";
-        case ZigLLVM_MipsSubArch_r6:
-            return "r6";
-    }
-    zig_unreachable();
-}
-
-size_t target_subarch_list_count(void) {
-    return array_length(subarch_list_list);
-}
-
-SubArchList target_subarch_list_enum(size_t index) {
-    assert(index < array_length(subarch_list_list));
-    return subarch_list_list[index];
-}
-
-const char *target_subarch_list_name(SubArchList sub_arch_list) {
-    switch (sub_arch_list) {
-        case SubArchListNone:
-            return "None";
-        case SubArchListArm32:
-            return "Arm32";
-        case SubArchListArm64:
-            return "Arm64";
-        case SubArchListKalimba:
-            return "Kalimba";
-        case SubArchListMips:
-            return "Mips";
-    }
-    zig_unreachable();
-}
-
 Error target_parse_os(Os *out_os, const char *os_ptr, size_t os_len) {
     for (size_t i = 0; i < array_length(os_list); i += 1) {
         Os os = os_list[i];
@@ -794,18 +534,16 @@ void init_all_targets(void) {
 
 void target_triple_zig(Buf *triple, const ZigTarget *target) {
     buf_resize(triple, 0);
-    buf_appendf(triple, "%s%s-%s-%s",
+    buf_appendf(triple, "%s-%s-%s",
             target_arch_name(target->arch),
-            target_subarch_name(target->sub_arch),
             target_os_name(target->os),
             target_abi_name(target->abi));
 }
 
 void target_triple_llvm(Buf *triple, const ZigTarget *target) {
     buf_resize(triple, 0);
-    buf_appendf(triple, "%s%s-%s-%s-%s",
+    buf_appendf(triple, "%s-%s-%s-%s",
             ZigLLVMGetArchTypeName(target->arch),
-            ZigLLVMGetSubArchTypeName(target->sub_arch),
             ZigLLVMGetVendorTypeName(target->vendor),
             ZigLLVMGetOSTypeName(get_llvm_os_type(target->os)),
             ZigLLVMGetEnvironmentTypeName(target->abi));
@@ -1182,10 +920,8 @@ bool target_can_exec(const ZigTarget *host_target, const ZigTarget *guest_target
         return true;
     }
 
-    if (guest_target->os == host_target->os && guest_target->arch == host_target->arch &&
-        guest_target->sub_arch == host_target->sub_arch)
-    {
-        // OS, arch, and sub-arch match
+    if (guest_target->os == host_target->os && guest_target->arch == host_target->arch) {
+        // OS and arch match
         return true;
     }
 
@@ -1607,7 +1343,6 @@ void target_libc_enum(size_t index, ZigTarget *out_target) {
     out_target->arch = libcs_available[index].arch;
     out_target->os = libcs_available[index].os;
     out_target->abi = libcs_available[index].abi;
-    out_target->sub_arch = ZigLLVM_NoSubArch;
     out_target->vendor = ZigLLVM_UnknownVendor;
     out_target->is_native = false;
 }
src/target.hpp
@@ -12,15 +12,6 @@
 
 struct Buf;
 
-// Synchronize with target.cpp::subarch_list_list
-enum SubArchList {
-    SubArchListNone,
-    SubArchListArm32,
-    SubArchListArm64,
-    SubArchListKalimba,
-    SubArchListMips,
-};
-
 enum TargetSubsystem {
     TargetSubsystemConsole,
     TargetSubsystemWindows,
@@ -51,8 +42,7 @@ enum CIntType {
 };
 
 Error target_parse_triple(ZigTarget *target, const char *triple, const char *mcpu);
-Error target_parse_archsub(ZigLLVM_ArchType *arch, ZigLLVM_SubArchType *sub,
-        const char *archsub_ptr, size_t archsub_len);
+Error target_parse_arch(ZigLLVM_ArchType *arch, const char *arch_ptr, size_t arch_len);
 Error target_parse_os(Os *os, const char *os_ptr, size_t os_len);
 Error target_parse_abi(ZigLLVM_EnvironmentType *abi, const char *abi_ptr, size_t abi_len);
 
@@ -63,15 +53,6 @@ size_t target_arch_count(void);
 ZigLLVM_ArchType target_arch_enum(size_t index);
 const char *target_arch_name(ZigLLVM_ArchType arch);
 
-SubArchList target_subarch_list(ZigLLVM_ArchType arch);
-size_t target_subarch_count(SubArchList sub_arch_list);
-ZigLLVM_SubArchType target_subarch_enum(SubArchList subarch_list, size_t index);
-const char *target_subarch_name(ZigLLVM_SubArchType subarch);
-
-size_t target_subarch_list_count(void);
-SubArchList target_subarch_list_enum(size_t index);
-const char *target_subarch_list_name(SubArchList sub_arch_list);
-
 const char *arch_stack_pointer_register_name(ZigLLVM_ArchType arch);
 
 size_t target_vendor_count(void);
src/zig_llvm.cpp
@@ -806,7 +806,7 @@ const char *ZigLLVMGetEnvironmentTypeName(ZigLLVM_EnvironmentType env_type) {
     return (const char*)Triple::getEnvironmentTypeName((Triple::EnvironmentType)env_type).bytes_begin();
 }
 
-void ZigLLVMGetNativeTarget(ZigLLVM_ArchType *arch_type, ZigLLVM_SubArchType *sub_arch_type,
+void ZigLLVMGetNativeTarget(ZigLLVM_ArchType *arch_type,
         ZigLLVM_VendorType *vendor_type, ZigLLVM_OSType *os_type, ZigLLVM_EnvironmentType *environ_type,
         ZigLLVM_ObjectFormatType *oformat)
 {
@@ -814,7 +814,6 @@ void ZigLLVMGetNativeTarget(ZigLLVM_ArchType *arch_type, ZigLLVM_SubArchType *su
     Triple triple(Triple::normalize(native_triple));
 
     *arch_type = (ZigLLVM_ArchType)triple.getArch();
-    *sub_arch_type = (ZigLLVM_SubArchType)triple.getSubArch();
     *vendor_type = (ZigLLVM_VendorType)triple.getVendor();
     *os_type = (ZigLLVM_OSType)triple.getOS();
     *environ_type = (ZigLLVM_EnvironmentType)triple.getEnvironment();
@@ -823,68 +822,6 @@ void ZigLLVMGetNativeTarget(ZigLLVM_ArchType *arch_type, ZigLLVM_SubArchType *su
     free(native_triple);
 }
 
-const char *ZigLLVMGetSubArchTypeName(ZigLLVM_SubArchType sub_arch) {
-    switch (sub_arch) {
-        case ZigLLVM_NoSubArch:
-            return "";
-        case ZigLLVM_ARMSubArch_v8_5a:
-            return "v8.5a";
-        case ZigLLVM_ARMSubArch_v8_4a:
-            return "v8.4a";
-        case ZigLLVM_ARMSubArch_v8_3a:
-            return "v8.3a";
-        case ZigLLVM_ARMSubArch_v8_2a:
-            return "v8.2a";
-        case ZigLLVM_ARMSubArch_v8_1a:
-            return "v8.1a";
-        case ZigLLVM_ARMSubArch_v8:
-            return "v8a";
-        case ZigLLVM_ARMSubArch_v8r:
-            return "v8r";
-        case ZigLLVM_ARMSubArch_v8m_baseline:
-            return "v8m.base";
-        case ZigLLVM_ARMSubArch_v8m_mainline:
-            return "v8m.main";
-        case ZigLLVM_ARMSubArch_v8_1m_mainline:
-            return "v8.1m.main";
-        case ZigLLVM_ARMSubArch_v7:
-            return "v7a";
-        case ZigLLVM_ARMSubArch_v7em:
-            return "v7em";
-        case ZigLLVM_ARMSubArch_v7m:
-            return "v7m";
-        case ZigLLVM_ARMSubArch_v7s:
-            return "v7s";
-        case ZigLLVM_ARMSubArch_v7k:
-            return "v7k";
-        case ZigLLVM_ARMSubArch_v7ve:
-            return "v7ve";
-        case ZigLLVM_ARMSubArch_v6:
-            return "v6";
-        case ZigLLVM_ARMSubArch_v6m:
-            return "v6m";
-        case ZigLLVM_ARMSubArch_v6k:
-            return "v6k";
-        case ZigLLVM_ARMSubArch_v6t2:
-            return "v6t2";
-        case ZigLLVM_ARMSubArch_v5:
-            return "v5";
-        case ZigLLVM_ARMSubArch_v5te:
-            return "v5te";
-        case ZigLLVM_ARMSubArch_v4t:
-            return "v4t";
-        case ZigLLVM_KalimbaSubArch_v3:
-            return "v3";
-        case ZigLLVM_KalimbaSubArch_v4:
-            return "v4";
-        case ZigLLVM_KalimbaSubArch_v5:
-            return "v5";
-        case ZigLLVM_MipsSubArch_r6:
-            return "r6";
-    }
-    abort();
-}
-
 void ZigLLVMAddModuleDebugInfoFlag(LLVMModuleRef module) {
     unwrap(module)->addModuleFlag(Module::Warning, "Debug Info Version", DEBUG_METADATA_VERSION);
     unwrap(module)->addModuleFlag(Module::Warning, "Dwarf Version", 4);
@@ -1218,35 +1155,6 @@ static_assert((Triple::ArchType)ZigLLVM_renderscript32 == Triple::renderscript32
 static_assert((Triple::ArchType)ZigLLVM_renderscript64 == Triple::renderscript64, "");
 static_assert((Triple::ArchType)ZigLLVM_LastArchType == Triple::LastArchType, "");
 
-static_assert((Triple::SubArchType)ZigLLVM_NoSubArch == Triple::NoSubArch, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8_4a == Triple::ARMSubArch_v8_4a, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8_3a == Triple::ARMSubArch_v8_3a, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8_2a == Triple::ARMSubArch_v8_2a, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8_1a == Triple::ARMSubArch_v8_1a, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8 == Triple::ARMSubArch_v8, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8r == Triple::ARMSubArch_v8r, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8m_baseline == Triple::ARMSubArch_v8m_baseline, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8m_mainline == Triple::ARMSubArch_v8m_mainline, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v8_1m_mainline == Triple::ARMSubArch_v8_1m_mainline, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7 == Triple::ARMSubArch_v7, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7em == Triple::ARMSubArch_v7em, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7m == Triple::ARMSubArch_v7m, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7s == Triple::ARMSubArch_v7s, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7k == Triple::ARMSubArch_v7k, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v7ve == Triple::ARMSubArch_v7ve, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v6 == Triple::ARMSubArch_v6, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v6m == Triple::ARMSubArch_v6m, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v6k == Triple::ARMSubArch_v6k, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v6t2 == Triple::ARMSubArch_v6t2, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v5 == Triple::ARMSubArch_v5, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v5te == Triple::ARMSubArch_v5te, "");
-static_assert((Triple::SubArchType)ZigLLVM_ARMSubArch_v4t == Triple::ARMSubArch_v4t, "");
-static_assert((Triple::SubArchType)ZigLLVM_KalimbaSubArch_v3 == Triple::KalimbaSubArch_v3, "");
-static_assert((Triple::SubArchType)ZigLLVM_KalimbaSubArch_v4 == Triple::KalimbaSubArch_v4, "");
-static_assert((Triple::SubArchType)ZigLLVM_KalimbaSubArch_v5 == Triple::KalimbaSubArch_v5, "");
-static_assert((Triple::SubArchType)ZigLLVM_KalimbaSubArch_v5 == Triple::KalimbaSubArch_v5, "");
-static_assert((Triple::SubArchType)ZigLLVM_MipsSubArch_r6 == Triple::MipsSubArch_r6, "");
-
 static_assert((Triple::VendorType)ZigLLVM_UnknownVendor == Triple::UnknownVendor, "");
 static_assert((Triple::VendorType)ZigLLVM_Apple == Triple::Apple, "");
 static_assert((Triple::VendorType)ZigLLVM_PC == Triple::PC, "");
src/zig_llvm.h
@@ -324,41 +324,6 @@ enum ZigLLVM_ArchType {
     ZigLLVM_LastArchType = ZigLLVM_renderscript64
 };
 
-// synchronize with lists in target.cpp
-enum ZigLLVM_SubArchType {
-    ZigLLVM_NoSubArch,
-
-    ZigLLVM_ARMSubArch_v8_5a,
-    ZigLLVM_ARMSubArch_v8_4a,
-    ZigLLVM_ARMSubArch_v8_3a,
-    ZigLLVM_ARMSubArch_v8_2a,
-    ZigLLVM_ARMSubArch_v8_1a,
-    ZigLLVM_ARMSubArch_v8,
-    ZigLLVM_ARMSubArch_v8r,
-    ZigLLVM_ARMSubArch_v8m_baseline,
-    ZigLLVM_ARMSubArch_v8m_mainline,
-    ZigLLVM_ARMSubArch_v8_1m_mainline,
-    ZigLLVM_ARMSubArch_v7,
-    ZigLLVM_ARMSubArch_v7em,
-    ZigLLVM_ARMSubArch_v7m,
-    ZigLLVM_ARMSubArch_v7s,
-    ZigLLVM_ARMSubArch_v7k,
-    ZigLLVM_ARMSubArch_v7ve,
-    ZigLLVM_ARMSubArch_v6,
-    ZigLLVM_ARMSubArch_v6m,
-    ZigLLVM_ARMSubArch_v6k,
-    ZigLLVM_ARMSubArch_v6t2,
-    ZigLLVM_ARMSubArch_v5,
-    ZigLLVM_ARMSubArch_v5te,
-    ZigLLVM_ARMSubArch_v4t,
-
-    ZigLLVM_KalimbaSubArch_v3,
-    ZigLLVM_KalimbaSubArch_v4,
-    ZigLLVM_KalimbaSubArch_v5,
-
-    ZigLLVM_MipsSubArch_r6,
-};
-
 enum ZigLLVM_VendorType {
     ZigLLVM_UnknownVendor,
 
@@ -518,7 +483,6 @@ LLVMValueRef ZigLLVMBuildAtomicRMW(LLVMBuilderRef B, enum ZigLLVM_AtomicRMWBinOp
 #define ZigLLVM_DIFlags_AllCallsDescribed (1U << 29)
 
 ZIG_EXTERN_C const char *ZigLLVMGetArchTypeName(enum ZigLLVM_ArchType arch);
-ZIG_EXTERN_C const char *ZigLLVMGetSubArchTypeName(enum ZigLLVM_SubArchType sub_arch);
 ZIG_EXTERN_C const char *ZigLLVMGetVendorTypeName(enum ZigLLVM_VendorType vendor);
 ZIG_EXTERN_C const char *ZigLLVMGetOSTypeName(enum ZigLLVM_OSType os);
 ZIG_EXTERN_C const char *ZigLLVMGetEnvironmentTypeName(enum ZigLLVM_EnvironmentType abi);
@@ -532,7 +496,7 @@ ZIG_EXTERN_C bool ZigLLVMWriteArchive(const char *archive_name, const char **fil
 bool ZigLLVMWriteImportLibrary(const char *def_path, const enum ZigLLVM_ArchType arch,
                                const char *output_lib_path, const bool kill_at);
 
-ZIG_EXTERN_C void ZigLLVMGetNativeTarget(enum ZigLLVM_ArchType *arch_type, enum ZigLLVM_SubArchType *sub_arch_type,
+ZIG_EXTERN_C void ZigLLVMGetNativeTarget(enum ZigLLVM_ArchType *arch_type,
         enum ZigLLVM_VendorType *vendor_type, enum ZigLLVM_OSType *os_type, enum ZigLLVM_EnvironmentType *environ_type,
         enum ZigLLVM_ObjectFormatType *oformat);
 
src-self-hosted/stage2.zig
@@ -909,12 +909,11 @@ export fn stage2_libc_render(stage1_libc: *Stage2LibCInstallation, output_file:
 // ABI warning
 const Stage2Target = extern struct {
     arch: c_int,
-    sub_arch: c_int,
-
     vendor: c_int,
-    abi: c_int,
 
+    abi: c_int,
     os: c_int,
+
     is_native: bool,
 
     glibc_version: ?*Stage2GLibCVersion, // null means default
@@ -928,7 +927,6 @@ const Stage2Target = extern struct {
         if (in_target.is_native) return .Native;
 
         const in_arch = in_target.arch - 1; // skip over ZigLLVM_UnknownArch
-        const in_sub_arch = in_target.sub_arch - 1; // skip over ZigLLVM_NoSubArch
         const in_os = in_target.os;
         const in_abi = in_target.abi;
 
@@ -954,7 +952,6 @@ const Stage2Target = extern struct {
         };
         self.* = .{
             .arch = @enumToInt(target.getArch()) + 1, // skip over ZigLLVM_UnknownArch
-            .sub_arch = 0,
             .vendor = 0,
             .os = @enumToInt(target.getOs()),
             .abi = @enumToInt(target.getAbi()),