Merge pull request #1429 from shawnl/arm64

initial arm64 support 

3 files changed, 43 insertions, 9 deletions

diff --git a/src-self-hosted/libc_installation.zig b/src-self-hosted/libc_installation.zig
index bbfc0125f4..9f603fd9e8 100644
--- a/src-self-hosted/libc_installation.zig
+++ b/src-self-hosted/libc_installation.zig
@@ -280,7 +280,7 @@ pub const LibCInstallation = struct {
             switch (builtin.arch) {
                 builtin.Arch.i386 => try stream.write("x86"),
                 builtin.Arch.x86_64 => try stream.write("x64"),
-                builtin.Arch.aarch64 => try stream.write("arm"),
+                builtin.Arch.aarch64v8 => try stream.write("arm"),
                 else => return error.UnsupportedArchitecture,
             }
             const ucrt_lib_path = try std.os.path.join(loop.allocator, result_buf.toSliceConst(), "ucrt.lib");
@@ -355,7 +355,7 @@ pub const LibCInstallation = struct {
             switch (builtin.arch) {
                 builtin.Arch.i386 => try stream.write("x86\\"),
                 builtin.Arch.x86_64 => try stream.write("x64\\"),
-                builtin.Arch.aarch64 => try stream.write("arm\\"),
+                builtin.Arch.aarch64v8 => try stream.write("arm\\"),
                 else => return error.UnsupportedArchitecture,
             }
             const kernel32_path = try std.os.path.join(loop.allocator, result_buf.toSliceConst(), "kernel32.lib");
diff --git a/src-self-hosted/link.zig b/src-self-hosted/link.zig
index 90f08b7305..1b32533ebc 100644
--- a/src-self-hosted/link.zig
+++ b/src-self-hosted/link.zig
@@ -330,7 +330,7 @@ fn constructLinkerArgsCoff(ctx: *Context) !void {
     switch (ctx.comp.target.getArch()) {
         builtin.Arch.i386 => try ctx.args.append(c"-MACHINE:X86"),
         builtin.Arch.x86_64 => try ctx.args.append(c"-MACHINE:X64"),
-        builtin.Arch.aarch64 => try ctx.args.append(c"-MACHINE:ARM"),
+        builtin.Arch.aarch64v8 => try ctx.args.append(c"-MACHINE:ARM"),
         else => return error.UnsupportedLinkArchitecture,
     }
 
@@ -556,7 +556,7 @@ fn constructLinkerArgsMachO(ctx: *Context) !void {
                 }
             },
             DarwinPlatform.Kind.IPhoneOS => {
-                if (ctx.comp.target.getArch() == builtin.Arch.aarch64) {
+                if (ctx.comp.target.getArch() == builtin.Arch.aarch64v8) {
                     // iOS does not need any crt1 files for arm64
                 } else if (platform.versionLessThan(3, 1)) {
                     try ctx.args.append(c"-lcrt1.o");
diff --git a/src-self-hosted/target.zig b/src-self-hosted/target.zig
index 0cc8d02a62..6fe589ae52 100644
--- a/src-self-hosted/target.zig
+++ b/src-self-hosted/target.zig
@@ -250,8 +250,20 @@ pub const Target = union(enum) {
             builtin.Arch.renderscript32,
             => return 32,
 
-            builtin.Arch.aarch64,
-            builtin.Arch.aarch64_be,
+            builtin.Arch.aarch64v8_3a,
+            builtin.Arch.aarch64v8_2a,
+            builtin.Arch.aarch64v8_1a,
+            builtin.Arch.aarch64v8,
+            builtin.Arch.aarch64v8r,
+            builtin.Arch.aarch64v8m_baseline,
+            builtin.Arch.aarch64v8m_mainline,
+            builtin.Arch.aarch64_bev8_3a,
+            builtin.Arch.aarch64_bev8_2a,
+            builtin.Arch.aarch64_bev8_1a,
+            builtin.Arch.aarch64_bev8,
+            builtin.Arch.aarch64_bev8r,
+            builtin.Arch.aarch64_bev8m_baseline,
+            builtin.Arch.aarch64_bev8m_mainline,
             builtin.Arch.mips64,
             builtin.Arch.mips64el,
             builtin.Arch.powerpc64,
@@ -316,8 +328,23 @@ pub const Target = union(enum) {
             builtin.Arch.sparcel,
             => return "/lib/ld-linux.so.2",
 
-            builtin.Arch.aarch64 => return "/lib/ld-linux-aarch64.so.1",
-            builtin.Arch.aarch64_be => return "/lib/ld-linux-aarch64_be.so.1",
+            builtin.Arch.aarch64v8_3a,
+            builtin.Arch.aarch64v8_2a,
+            builtin.Arch.aarch64v8_1a,
+            builtin.Arch.aarch64v8,
+            builtin.Arch.aarch64v8r,
+            builtin.Arch.aarch64v8m_baseline,
+            builtin.Arch.aarch64v8m_mainline,
+            => return "/lib/ld-linux-aarch64.so.1",
+
+            builtin.Arch.aarch64_bev8_3a,
+            builtin.Arch.aarch64_bev8_2a,
+            builtin.Arch.aarch64_bev8_1a,
+            builtin.Arch.aarch64_bev8,
+            builtin.Arch.aarch64_bev8r,
+            builtin.Arch.aarch64_bev8m_baseline,
+            builtin.Arch.aarch64_bev8m_mainline,
+            => return "/lib/ld-linux-aarch64_be.so.1",
 
             builtin.Arch.armv8_3a,
             builtin.Arch.armv8_2a,
@@ -530,7 +557,14 @@ pub const Target = union(enum) {
     pub fn getDarwinArchString(self: Target) []const u8 {
         const arch = self.getArch();
         switch (arch) {
-            builtin.Arch.aarch64 => return "arm64",
+            builtin.Arch.aarch64v8_3a,
+            builtin.Arch.aarch64v8_2a,
+            builtin.Arch.aarch64v8_1a,
+            builtin.Arch.aarch64v8,
+            builtin.Arch.aarch64v8r,
+            builtin.Arch.aarch64v8m_baseline,
+            builtin.Arch.aarch64v8m_mainline,
+            => return "arm64",
             builtin.Arch.thumb,
             builtin.Arch.armv8_3a,
             builtin.Arch.armv8_2a,