This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Avoid -lm and -lpthread in libjava on darwin


Mike,
   On a different topic, what do you think about allowing
darwin to default to -fomit-frame-pointer on i386 like
linux? I assume the required change would be...

Index: configure.ac
===================================================================
--- configure.ac	(revision 163208)
+++ configure.ac	(working copy)
@@ -1584,7 +1584,7 @@
 [  --enable-frame-pointer  enable -fno-omit-frame-pointer by default for 32bit x86], [],
 [
 case $target_os in
-linux*)
+linux* | darwin*)
   # Enable -fomit-frame-pointer by default for Linux.
   enable_frame_pointer=no
   ;;
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c	(revision 163208)
+++ config/i386/i386.c	(working copy)
@@ -3276,9 +3276,8 @@
     {
       if (flag_zee == 2)
         flag_zee = 1;
-      /* Mach-O doesn't support omitting the frame pointer for now.  */
       if (flag_omit_frame_pointer == 2)
-	flag_omit_frame_pointer = (TARGET_MACHO ? 0 : 1);
+	flag_omit_frame_pointer = 1;
       if (flag_asynchronous_unwind_tables == 2)
 	flag_asynchronous_unwind_tables = 1;
       if (flag_pcc_struct_return == 2)
@@ -3288,10 +3287,8 @@
     {
       if (flag_zee == 2)
         flag_zee = 0;
-      /* Mach-O doesn't support omitting the frame pointer for now.  */
       if (flag_omit_frame_pointer == 2)
-	flag_omit_frame_pointer =
-	  (TARGET_MACHO ? 0 : !(USE_IX86_FRAME_POINTER || optimize_size));
+	flag_omit_frame_pointer = !(USE_IX86_FRAME_POINTER || optimize_size);
       if (flag_asynchronous_unwind_tables == 2)
 	flag_asynchronous_unwind_tables = !USE_IX86_FRAME_POINTER;
       if (flag_pcc_struct_return == 2)

Any opinions?
           Jack


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]