[libc-commits] [libc] 52da2db - [libc][complex] check that cfloat128 is not defined as _Complex long double (#119324)

[via libc-commits]

Author: Shourya Goel
Date: 2024-12-10T11:18:29+05:30
New Revision: 52da2db48911aa71fc878470e7052e0b2078110e

URL: https://github.com/llvm/llvm-project/commit/52da2db48911aa71fc878470e7052e0b2078110e
DIFF: https://github.com/llvm/llvm-project/commit/52da2db48911aa71fc878470e7052e0b2078110e.diff

LOG: [libc][complex] check that cfloat128 is not defined as _Complex long double (#119324)

Fix buildbot errors in #118671

Added: 
    

Modified: 
    libc/include/llvm-libc-types/cfloat128.h
    libc/src/__support/complex_type.h

Removed: 
    


################################################################################
diff  --git a/libc/include/llvm-libc-types/cfloat128.h b/libc/include/llvm-libc-types/cfloat128.h
index a371671cf62353..f76a0c1c2f5af5 100644
--- a/libc/include/llvm-libc-types/cfloat128.h
+++ b/libc/include/llvm-libc-types/cfloat128.h
@@ -35,6 +35,7 @@ typedef _Complex _Float128 cfloat128;
 typedef _Complex __float128 cfloat128;
 #elif (LDBL_MANT_DIG == 113)
 #define LIBC_TYPES_HAS_CFLOAT128
+#define LIBC_TYPES_CFLOAT128_IS_COMPLEX_LONG_DOUBLE
 typedef _Complex long double cfloat128;
 #endif
 

diff  --git a/libc/src/__support/complex_type.h b/libc/src/__support/complex_type.h
index 4c861b05bc752c..88239886f983b5 100644
--- a/libc/src/__support/complex_type.h
+++ b/libc/src/__support/complex_type.h
@@ -37,10 +37,12 @@ template <> struct make_complex<float16> {
 };
 #endif
 #if defined(LIBC_TYPES_HAS_CFLOAT128)
+#if !(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128)
 template <> struct make_complex<float128> {
   using type = cfloat128;
 };
 #endif
+#endif
 
 template <typename T> using make_complex_t = typename make_complex<T>::type;
 
@@ -62,10 +64,12 @@ template <> struct make_real<cfloat16> {
 };
 #endif
 #if defined(LIBC_TYPES_HAS_CFLOAT128)
+#if !(LIBC_TYPES_CFLOAT128_IS_COMPLEX_LONG_DOUBLE)
 template <> struct make_real<cfloat128> {
   using type = float128;
 };
 #endif
+#endif
 
 template <typename T> using make_real_t = typename make_real<T>::type;