[libc-commits] [libc] [libc] Fix generated float128 header for aarch64 target. (PR #78017)

Nick Desaulniers via libc-commits libc-commits at lists.llvm.org
Tue Jan 16 09:02:49 PST 2024


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@@ -19,11 +19,11 @@
 #include <float.h> // LDBL_MANT_DIG
 
 // 'long double' properties.
-#if (LDBL_MANT_DIG == 53)
+#if (LDBL_MANT_DIG == 53) || (__LDBL_MANT_DIG__ == 53)
 #define LIBC_LONG_DOUBLE_IS_FLOAT64
-#elif (LDBL_MANT_DIG == 64)
+#elif (LDBL_MANT_DIG == 64) || (__LDBL_MANT_DIG__ == 64)
 #define LIBC_LONG_DOUBLE_IS_X86_FLOAT80
-#elif (LDBL_MANT_DIG == 113)
+#elif (LDBL_MANT_DIG == 113) || (__LDBL_MANT_DIG__ == 113)
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nickdesaulniers wrote:

Why do we need to check for double underscored variants?

https://github.com/llvm/llvm-project/pull/78017


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