re PR target/56540 (No __SIZEOF__XXX__ macro for __float128)

2014-04-25  Marc Glisse  <marc.glisse@inria.fr>

	PR preprocessor/56540
	* config/i386/i386-c.c (ix86_target_macros): Define
	__SIZEOF_FLOAT80__ and __SIZEOF_FLOAT128__.

From-SVN: r209789

gcc/ChangeLog

+2014-04-25  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR preprocessor/56540
+	* config/i386/i386-c.c (ix86_target_macros): Define
+	__SIZEOF_FLOAT80__ and __SIZEOF_FLOAT128__.
+
 2014-04-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* configure.ac (tga_func): Remove.

gcc/config/i386/i386-c.c

@@ -518,6 +518,13 @@ ix86_target_macros (void)
   if (TARGET_LONG_DOUBLE_128)
     cpp_define (parse_in, "__LONG_DOUBLE_128__");
 
+  if (TARGET_128BIT_LONG_DOUBLE)
+    cpp_define (parse_in, "__SIZEOF_FLOAT80__=16");
+  else
+    cpp_define (parse_in, "__SIZEOF_FLOAT80__=12");
+
+  cpp_define (parse_in, "__SIZEOF_FLOAT128__=16");
+
   cpp_define_formatted (parse_in, "__ATOMIC_HLE_ACQUIRE=%d", IX86_HLE_ACQUIRE);
   cpp_define_formatted (parse_in, "__ATOMIC_HLE_RELEASE=%d", IX86_HLE_RELEASE);