Commit e7f1624e6e

Alex Rønne Petersen <alex@alexrp.com>
2025-09-17 00:23:48
std.mem: work around LoongArch inline asm bug in doNotOptimizeAway()
https://github.com/llvm/llvm-project/issues/159200
master
1 parent c547a05
Changed files (1)
lib
std
mem.zig
lib/std/mem.zig
@@ -4534,7 +4534,8 @@ pub fn doNotOptimizeAway(val: anytype) void {
             } else doNotOptimizeAway(&val);
         },
         .float => {
-            if ((t.float.bits == 32 or t.float.bits == 64) and builtin.zig_backend != .stage2_c) {
+            // https://github.com/llvm/llvm-project/issues/159200
+            if ((t.float.bits == 32 or t.float.bits == 64) and builtin.zig_backend != .stage2_c and !builtin.cpu.arch.isLoongArch()) {
                 asm volatile (""
                     :
                     : [_] "rm" (val),