--- ./gcc/xcoffout.c_orig	2019-06-19 03:44:37 +0000
+++ ./gcc/xcoffout.c	2019-06-19 03:45:35 +0000
@@ -64,6 +64,7 @@
 
 char *xcoff_bss_section_name;
 char *xcoff_private_data_section_name;
+char *xcoff_private_rodata_section_name;
 char *xcoff_tls_data_section_name;
 char *xcoff_tbss_section_name;
 char *xcoff_read_only_section_name;
--- ./gcc/xcoffout.h_orig	2019-06-19 03:47:28 +0000
+++ ./gcc/xcoffout.h	2019-06-19 03:47:54 +0000
@@ -127,6 +127,7 @@
 
 extern char *xcoff_bss_section_name;
 extern char *xcoff_private_data_section_name;
+extern char *xcoff_private_rodata_section_name;
 extern char *xcoff_tls_data_section_name;
 extern char *xcoff_tbss_section_name;
 extern char *xcoff_read_only_section_name;
--- ./gcc/config/rs6000/rs6000.c_orig	2019-06-19 03:49:35 +0000
+++ ./gcc/config/rs6000/rs6000.c	2019-06-19 03:58:35 +0000
@@ -12591,8 +12591,9 @@
 	 This assumes that the register number is odd when fregno is odd.  */
       if (elt_mode == TDmode && (cum->fregno % 2) == 1)
 	cum->fregno++;
-
-      if (USE_FP_FOR_ARG_P (cum, elt_mode))
+      if (USE_FP_FOR_ARG_P (cum, elt_mode)
+      && !(TARGET_AIX && !TARGET_ELF
+	&& type != NULL && AGGREGATE_TYPE_P (type)))
 	{
 	  rtx rvec[GP_ARG_NUM_REG + AGGR_ARG_NUM_REG + 1];
 	  rtx r, off;
@@ -12727,8 +12728,9 @@
     return 0;
 
   align_words = rs6000_parm_start (mode, type, cum->words);
-
-  if (USE_FP_FOR_ARG_P (cum, elt_mode))
+    if (USE_FP_FOR_ARG_P (cum, elt_mode)
+      && !(TARGET_AIX && !TARGET_ELF
+      && type != NULL && AGGREGATE_TYPE_P (type)))
     {
       unsigned long n_fpreg = (GET_MODE_SIZE (elt_mode) + 7) >> 3;
 
@@ -34192,6 +34194,11 @@
 			   rs6000_xcoff_output_readwrite_section_asm_op,
 			   &xcoff_private_data_section_name);
 
+  read_only_private_data_section
+    = get_unnamed_section (0, rs6000_xcoff_output_readonly_section_asm_op,
+			   &xcoff_private_rodata_section_name);
+
+
   tls_data_section
     = get_unnamed_section (SECTION_TLS,
 			   rs6000_xcoff_output_tls_section_asm_op,
@@ -34202,10 +34209,6 @@
 			   rs6000_xcoff_output_tls_section_asm_op,
 			   &xcoff_private_data_section_name);
 
-  read_only_private_data_section
-    = get_unnamed_section (0, rs6000_xcoff_output_readonly_section_asm_op,
-			   &xcoff_private_data_section_name);
-
   toc_section
     = get_unnamed_section (0, rs6000_xcoff_output_toc_section_asm_op, NULL);
 
@@ -34386,6 +34389,8 @@
 			   main_input_filename, ".bss_");
   rs6000_gen_section_name (&xcoff_private_data_section_name,
 			   main_input_filename, ".rw_");
+  rs6000_gen_section_name (&xcoff_private_rodata_section_name,
+			   main_input_filename, ".rop_");
   rs6000_gen_section_name (&xcoff_read_only_section_name,
 			   main_input_filename, ".ro_");
   rs6000_gen_section_name (&xcoff_tls_data_section_name,