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

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https://github.com/llvm/llvm-project/issues/159200
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Alex Rønne Petersen 2025-09-17 00:23:48 +02:00
parent 7d8a954578
commit 90c1123d1c
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lib/std/mem.zig
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@ -4485,7 +4485,8 @@ 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),