[libc-commits] [libc] [libc][math][c23] Fix totalorderf128 requiring support for 128-bit ints (PR #101229)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: OverMighty (overmighty)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/101229.diff


2 Files Affected:

- (modified) libc/src/__support/FPUtil/BasicOperations.h (+2-1) 
- (modified) libc/src/__support/FPUtil/CMakeLists.txt (+1) 


``````````diff
diff --git a/libc/src/__support/FPUtil/BasicOperations.h b/libc/src/__support/FPUtil/BasicOperations.h
index 50f1e19e08d64..d68f3ae6a26bb 100644
--- a/libc/src/__support/FPUtil/BasicOperations.h
+++ b/libc/src/__support/FPUtil/BasicOperations.h
@@ -14,6 +14,7 @@
 #include "dyadic_float.h"
 
 #include "src/__support/CPP/type_traits.h"
+#include "src/__support/big_int.h"
 #include "src/__support/common.h"
 #include "src/__support/macros/config.h"
 #include "src/__support/macros/optimization.h" // LIBC_UNLIKELY
@@ -320,7 +321,7 @@ totalorder(T x, T y) {
   StorageType x_u = x_bits.uintval();
   StorageType y_u = y_bits.uintval();
 
-  using signed_t = cpp::make_signed_t<StorageType>;
+  using signed_t = make_integral_or_big_int_signed_t<StorageType>;
   signed_t x_signed = static_cast<signed_t>(x_u);
   signed_t y_signed = static_cast<signed_t>(y_u);
 
diff --git a/libc/src/__support/FPUtil/CMakeLists.txt b/libc/src/__support/FPUtil/CMakeLists.txt
index bfdfffb85c255..ea1e0e8b39d10 100644
--- a/libc/src/__support/FPUtil/CMakeLists.txt
+++ b/libc/src/__support/FPUtil/CMakeLists.txt
@@ -189,6 +189,7 @@ add_header_library(
     .fp_bits
     .fenv_impl
     libc.src.__support.CPP.type_traits
+    libc.src.__support.big_int
     libc.src.__support.uint128
     libc.src.__support.common
     libc.src.__support.macros.optimization

``````````

</details>


https://github.com/llvm/llvm-project/pull/101229