re PR target/85358 (PowerPC: Using -mabi=ieeelongdouble -mcpu=power9 breaks __ibm128)

[thirdparty/gcc.git] / gcc / config / rs6000 / rs6000.h

diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 5a5fb65fe33c0ea43fb431136d7fd840af869c0e..455b03ed83294e739b7d251e32efe07b97faae1c 100644 (file)
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -30,6 +30,11 @@
 #include "config/rs6000/rs6000-opts.h"
 #endif
 
+/* 128-bit floating point precision values.  */
+#ifndef RS6000_MODES_H
+#include "config/rs6000/rs6000-modes.h"
+#endif
+
 /* Definitions for the object file format.  These are set at
    compile-time.  */
 
@@ -539,7 +544,9 @@ extern int rs6000_vector_align[];
 #define TARGET_ALIGN_NATURAL 0
 #endif
 
-#define TARGET_LONG_DOUBLE_128 (rs6000_long_double_type_size == 128)
+/* We use values 126..128 to pick the appropriate long double type (IFmode,
+   KFmode, TFmode).  */
+#define TARGET_LONG_DOUBLE_128 (rs6000_long_double_type_size > 64)
 #define TARGET_IEEEQUAD rs6000_ieeequad
 #define TARGET_ALTIVEC_ABI rs6000_altivec_abi
 #define TARGET_LDBRX (TARGET_POPCNTD || rs6000_cpu == PROCESSOR_CELL)
@@ -865,9 +872,8 @@ extern unsigned char rs6000_recip_bits[];
    words.  */
 #define DOUBLE_TYPE_SIZE 64
 
-/* A C expression for the size in bits of the type `long double' on
-   the target machine.  If you don't define this, the default is two
-   words.  */
+/* A C expression for the size in bits of the type `long double' on the target
+   machine.  If you don't define this, the default is two words.  */
 #define LONG_DOUBLE_TYPE_SIZE rs6000_long_double_type_size
 
 /* Work around rs6000_long_double_type_size dependency in ada/targtyps.c.  */