zig

commit 40ff35948625e47964d2adbc3bdec8bd6a40d2db (tree)
parent ebb6f15bbad7d86c76bd1e8deb39553b5791a69e
Author: Layne Gustafson <lgustaf1@binghamton.edu>
Date:   Wed, 15 Jan 2020 17:51:06 -0500

Only enable requested features

Diffstat:
M
src-self-hosted/stage1.zig
 | 
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/src-self-hosted/stage1.zig b/src-self-hosted/stage1.zig
@@ -667,6 +667,14 @@ const Stage2TargetDetails = struct {
         var llvm_features_buffer = try std.Buffer.initSize(allocator, 0);
         defer llvm_features_buffer.deinit();
 
+        // First, disable all features.
+        // This way, we only get the ones the user requests.
+        for (std.target.getFeaturesForArch(arch)) |feature| {
+            try llvm_features_buffer.append("-");
+            try llvm_features_buffer.append(feature.llvm_name);
+            try llvm_features_buffer.append(",");
+        }
+
         for (features) |feature| {
             try llvm_features_buffer.append("+");
             try llvm_features_buffer.append(feature.llvm_name);