zig

commit e7f1624e6ea11bb30c779963f9fdfabd51902276 (tree)
parent c547a05b656118bef790478c26b439e07c858c76
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Wed, 17 Sep 2025 00:23:48 +0200

std.mem: work around LoongArch inline asm bug in doNotOptimizeAway()

https://github.com/llvm/llvm-project/issues/159200

Diffstat:
M
lib/std/mem.zig
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/std/mem.zig b/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),