Enabled my FUNCTION_PROFILER_EPILOGUE code and added option

-mprofiler-epilogue to support it and documented the option.

cc.1:
Listed all the machine-dependent options, even the temporary
debugging ones.

invoke.texi:
Fixed the sense of -mno-ieee-fp.
Sorted the machine-dependent options.

3 files changed, 45 insertions, 12 deletions

diff --git a/gnu/usr.bin/cc/cc/cc.1 b/gnu/usr.bin/cc/cc/cc.1
index 223115c..1a52039 100644
--- a/gnu/usr.bin/cc/cc/cc.1
+++ b/gnu/usr.bin/cc/cc/cc.1
@@ -20,7 +20,7 @@
 .if n .sp
 .if t .sp 0.4
 ..
-.Id $Id: gcc.1,v 1.4 1993/10/13 23:19:12 pesch Exp $
+.Id $Id: cc.1,v 1.2 1994/11/15 04:51:29 phk Exp $
 .TH GCC 1 "\*(Dt" "GNU Tools" "GNU Tools"
 .SH NAME
 gcc, g++ \- GNU project C and C++ Compiler (v2.6)
@@ -438,7 +438,17 @@ in the following sections.
 \-m486
 \-mno\-486
 \-msoft\-float
+\-mrtd
+\-mregparm
+\-msvr3\-shlib
+\-mno\-ieee\-fp
 \-mno\-fp\-ret\-in\-387
+\-mfancy\-math\-387
+\-mno\-wide\-multiply
+\-mdebug\-addr
+\-mno\-move
+\-mprofiler\-epilogue
+\-reg\-alloc=LIST
 .Sp
 .I HPPA Options
 .br
@@ -3490,6 +3500,7 @@ assembler files (with a `\|\c
 These `\|\c
 .B \-m\c
 \&\|' options are defined for the Intel 80386 family of computers:
+.TP
 .B \-m486
 .TP
 .B \-mno\-486
@@ -3526,6 +3537,11 @@ The option `\|\c
 .B \-mno-fp-ret-in-387\c
 \&\|' causes such values to be returned
 in ordinary CPU registers instead.
+.TP
+.B \-mprofiler-epilogue
+.TP
+.B \-mno-profiler-epilogue
+Generate extra code to write profile information for function exits.
 .PP
 These `\|\c
 .B \-m\c
diff --git a/gnu/usr.bin/cc/doc/invoke.texi b/gnu/usr.bin/cc/doc/invoke.texi
index d3fc4f3..54534a0 100644
--- a/gnu/usr.bin/cc/doc/invoke.texi
+++ b/gnu/usr.bin/cc/doc/invoke.texi
@@ -274,9 +274,10 @@ in addition to the above:
 -mstats  -G  @var{num}  -nocpp
 
 @emph{i386 Options}
--m486  -mieee-fp  -mno-486  -mno-fancy-math-387
--mno-fp-ret-in-387  -msoft-float  -msvr3-shlib  
--mno-wide-multiply -mreg-alloc=@var{list}
+-m486  -mno-486  -mno-fancy-math-387
+-mno-fp-ret-in-387  -mno-ieee-fp  -mno-wide-multiply
+-mprofiler-epilogue  -msoft-float  -msvr3-shlib
+-mreg-alloc=@var{list}
 
 @emph{HPPA Options}
 -mdisable-fpregs  -mdisable-indexing  -mjump-in-delay 
@@ -3481,8 +3482,8 @@ These @samp{-m} options are defined for the i386 family of computers:
 Control whether or not code is optimized for a 486 instead of an
 386.  Code generated for an 486 will run on a 386 and vice versa.
 
-@item -mieee-fp
-@itemx -m-no-ieee-fp
+@item -mno-ieee-fp
+@itemx -mieee-fp
 Control whether or not the compiler uses IEEE floating point
 comparisons.  These handle correctly the case where the result of a
 comparison is unordered.
@@ -3529,6 +3530,12 @@ Control whether GNU CC uses the @code{mul} and @code{imul} that produce
 64 bit results in @code{eax:edx} from 32 bit operands to do @code{long
 long} multiplies and 32-bit division by constants.
 
+@item -mprofiler-epilogue
+@itemx -mno-profiler-epilogue
+Generate extra code to write profile information for function exits.
+This option has no effect except in combination with @samp{-g} or
+@samp{-pg}.
+
 @item -mreg-alloc=@var{regs}
 Control the default allocation order of integer registers.  The
 string @var{regs} is a series of letters specifing a register.  The
diff --git a/gnu/usr.bin/cc/include/tm.h b/gnu/usr.bin/cc/include/tm.h
index 4b2909b..14aa504 100644
--- a/gnu/usr.bin/cc/include/tm.h
+++ b/gnu/usr.bin/cc/include/tm.h
@@ -27,6 +27,15 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Get perform_* macros to build libgcc.a.  */
 #include "i386/perform.h"
 
+#define MASK_PROFILER_EPILOGUE	010000000000
+
+#define TARGET_PROFILER_EPILOGUE (target_flags & MASK_PROFILER_EPILOGUE)
+
+#undef	SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES						\
+     { "profiler-epilogue",	 MASK_PROFILER_EPILOGUE},		\
+     { "no-profiler-epilogue",	-MASK_PROFILER_EPILOGUE},
+
 #undef CPP_PREDEFINES
 #define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
 
@@ -83,15 +92,16 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
     fprintf (FILE, "\tcall mcount\n");					\
 }
 
-#if 0 /* not ready for this; it should be decided at compile time */
 #define FUNCTION_PROFILER_EPILOGUE(FILE)  \
 {									\
-  if (flag_pic)								\
-    fprintf (FILE, "\tcall *mexitcount@GOT(%%ebx)\n");			\
-  else									\
-    fprintf (FILE, "\tcall mexitcount\n");				\
+  if (TARGET_PROFILER_EPILOGUE)						\
+    {									\
+      if (flag_pic)							\
+	fprintf (FILE, "\tcall *mexitcount@GOT(%%ebx)\n");		\
+      else								\
+	fprintf (FILE, "\tcall mexitcount\n");				\
+    }									\
 }
-#endif
 
 /* Override the default comment-starter of "/".  */