diff --git a/lib/std/zig/system/linux.zig b/lib/std/zig/system/linux.zig
index d712792bf1504d02dd1a22c6f5bcd6a1c2bd5e91..b1375aa17aad7f77cc986c36de5ef817ba53c35c 100644
--- a/lib/std/zig/system/linux.zig
+++ b/lib/std/zig/system/linux.zig
@@ -127,23 +127,20 @@ const PowerpcCpuinfoImpl = struct {
         .{ "604", &Target.powerpc.cpu.@"604" },
         .{ "7400", &Target.powerpc.cpu.@"7400" },
         .{ "7410", &Target.powerpc.cpu.@"7400" },
-        .{ "7447", &Target.powerpc.cpu.@"7400" },
+        .{ "7447/7457", &Target.powerpc.cpu.@"7450" },
+        .{ "7447A", &Target.powerpc.cpu.@"7450" },
         .{ "7455", &Target.powerpc.cpu.@"7450" },
-        .{ "G4", &Target.powerpc.cpu.g4 },
-        .{ "POWER4", &Target.powerpc.cpu.@"970" },
-        .{ "PPC970FX", &Target.powerpc.cpu.@"970" },
-        .{ "PPC970MP", &Target.powerpc.cpu.@"970" },
-        .{ "G5", &Target.powerpc.cpu.g5 },
         .{ "POWER5", &Target.powerpc.cpu.g5 },
-        .{ "A2", &Target.powerpc.cpu.a2 },
         .{ "POWER6", &Target.powerpc.cpu.pwr6 },
         .{ "POWER7", &Target.powerpc.cpu.pwr7 },
-        .{ "POWER8", &Target.powerpc.cpu.pwr8 },
         .{ "POWER8E", &Target.powerpc.cpu.pwr8 },
         .{ "POWER8NVL", &Target.powerpc.cpu.pwr8 },
+        .{ "POWER8", &Target.powerpc.cpu.pwr8 },
         .{ "POWER9", &Target.powerpc.cpu.pwr9 },
         .{ "POWER10", &Target.powerpc.cpu.pwr10 },
-        .{ "POWER11", &Target.powerpc.cpu.pwr11 },
+        .{ "Power11", &Target.powerpc.cpu.pwr11 },
+        .{ "PPC970FX", &Target.powerpc.cpu.@"970" },
+        .{ "PPC970MP", &Target.powerpc.cpu.@"970" },
     };
 
     fn line_hook(self: *PowerpcCpuinfoImpl, key: []const u8, value: []const u8) !bool {