--- gcc/config/aix386.h	2018/04/24 17:51:30	1.1
+++ gcc/config/aix386.h	2018/04/24 18:03:33	1.1.1.3
@@ -30,10 +30,6 @@ the Free Software Foundation, 675 Mass A
 
 #include "att386.h"
 
-/* By default, target has a 80387.  */
-
-#define TARGET_DEFAULT 1
-
 /* Use crt1.o as a startup file and crtn.o as a closing file.  */
 
 #define STARTFILE_SPEC  \
@@ -79,20 +75,6 @@ the Free Software Foundation, 675 Mass A
 #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n");
 #endif
 
-/* Machines that use the AT&T assembler syntax
-   also return floating point values in an FP register.  */
-/* Define how to find the value returned by a function.
-   VALTYPE is the data type of the value (as a tree).
-   If the precise function being called is known, FUNC is its FUNCTION_DECL;
-   otherwise, FUNC is 0.  */
-
-#define VALUE_REGNO(MODE) \
-  (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
-
-/* 1 if N is a possible register number for a function value. */
-
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
-
 /* Output assembler code to FILE to increment profiler label # LABELNO
    for profiling a function entry.  */
 
@@ -109,16 +91,16 @@ the Free Software Foundation, 675 Mass A
    ASM_OUTPUT_LABEL ((FILE), (NAME)),			\
    fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)))
 
-/* Define a few machine-specific details
-   of the implementation of constructors.  */
+/* Define a few machine-specific details of the implementation of
+   constructors.  */
 
 #undef INIT_SECTION_ASM_OP
 #define INIT_SECTION_ASM_OP     ".section .init,\"x\""
 
-#define CTORS_SECTION_ASM_OP \
-  INIT_SECTION_ASM_OP "\n"	\
-  "\tpushl $0\n\t"		\
-  DATA_SECTION_ASM_OP
+#define CTOR_LIST_BEGIN				\
+  asm (INIT_SECTION_ASM_OP);			\
+  asm ("pushl $0")
+#define CTOR_LIST_END CTOR_LIST_BEGIN
 
 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)	\
   do {						\