From 061c13f13b052bf40d30baae375a1abceeff63fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 20 Jan 2026 00:04:49 +0100
Subject: [PATCH] Revert "std.mem: work around LoongArch inline asm bug in
 doNotOptimizeAway()"

This reverts commit e7f1624e6ea11bb30c779963f9fdfabd51902276.

The bug was fixed in LLVM 22.
---
 lib/std/mem.zig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/std/mem.zig b/lib/std/mem.zig
index 3d8f3a604e..04c47ae68c 100644
--- a/lib/std/mem.zig
+++ b/lib/std/mem.zig
@@ -4809,8 +4809,7 @@ pub fn doNotOptimizeAway(val: anytype) void {
             } else doNotOptimizeAway(&val);
         },
         .float => {
-            // 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()) {
+            if ((t.float.bits == 32 or t.float.bits == 64) and builtin.zig_backend != .stage2_c) {
                 asm volatile (""
                     :
                     : [_] "rm" (val),