[libc-commits] [libc] [libc] Fix SSE2 check for x86_64/sqrt.h. (PR #200468)

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Fri May 29 11:01:51 PDT 2026


llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: lntue

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/200468.diff


1 Files Affected:

- (modified) libc/src/__support/FPUtil/x86_64/sqrt.h (+1-1) 


``````````diff
diff --git a/libc/src/__support/FPUtil/x86_64/sqrt.h b/libc/src/__support/FPUtil/x86_64/sqrt.h
index e10447751d216..68ce627a57025 100644
--- a/libc/src/__support/FPUtil/x86_64/sqrt.h
+++ b/libc/src/__support/FPUtil/x86_64/sqrt.h
@@ -14,7 +14,7 @@
 #include "src/__support/macros/properties/architectures.h"
 #include "src/__support/macros/properties/cpu_features.h"
 
-#if !(defined(LIBC_TARGET_ARCH_IS_X86_64) && defined(LIBC_TARGET_CPU_HAS_SSE2))
+#if !defined(LIBC_TARGET_CPU_HAS_SSE2)
 #error "sqrtss / sqrtsd need SSE2"
 #endif
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/200468


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