* common.opt (flag_stack_usage_info): New variable.

	(-Wstack-usage): New option.
	* doc/invoke.texi (Warning options): Document -Wstack-usage.
	* opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
	<OPT_fstack_usage>: Likewise.
	* toplev.c (output_stack_usage): Handle -Wstack-usage.
	* calls.c (expand_call): Test flag_stack_usage_info variable instead
	of flag_stack_usage.
	(emit_library_call_value_1): Likewise.
	* explow.c (allocate_dynamic_stack_space): Likewise.
	* function.c (instantiate_virtual_regs ): Likewise.
	(prepare_function_start): Likewise.
	(rest_of_handle_thread_prologue_and_epilogue): Likewise.
	* config/alpha/alpha.c (alpha_expand_prologue): Likewise.
	* config/arm/arm.c (arm_expand_prologue): Likewise.
	(thumb1_expand_prologue): Likewise.
	* config/avr/avr.c (expand_prologue): Likewise.
	* config/i386/i386.c (ix86_expand_prologue): Likewise.
	* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
	* config/m68k/m68k.c (m68k_expand_prologue): Likewise.
	* config/mips/mips.c (mips_expand_prologue): Likewise.
	* config/pa/pa.c (hppa_expand_prologue): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
	* config/s390/s390.c (s390_emit_prologue): Likewise.
	* config/sh/sh.c (sh_expand_prologue): Likewise.
	* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
	* config/spu/spu.c (spu_expand_prologue): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174182 138bc75d-0d04-0410-961f-82ee72b054a4

13 files changed, 14 insertions, 14 deletions

diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 99ebf62d242..7323329e80d 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -7522,7 +7522,7 @@ alpha_expand_prologue (void)
   sa_size = alpha_sa_size ();
   frame_size = compute_frame_size (get_frame_size (), sa_size);
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = frame_size;
 
   if (TARGET_ABI_OPEN_VMS)
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 47c7a3a4ca9..22ddcd217ce 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -15815,7 +15815,7 @@ arm_expand_prologue (void)
 	}
     }
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size
       = offsets->outgoing_args - offsets->saved_args;
 
@@ -20800,7 +20800,7 @@ thumb1_expand_prologue (void)
     emit_move_insn (gen_rtx_REG (Pmode, ARM_HARD_FRAME_POINTER_REGNUM),
 		    stack_pointer_rtx);
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size
       = offsets->outgoing_args - offsets->saved_args;
 
diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c
index c8c363ad948..5a565b0857f 100644
--- a/gcc/config/avr/avr.c
+++ b/gcc/config/avr/avr.c
@@ -892,7 +892,7 @@ expand_prologue (void)
         }
     }
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = cfun->machine->stack_usage;
 }
 
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 854e376b58e..4b5bc96c492 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -10546,7 +10546,7 @@ ix86_expand_prologue (void)
 
   allocate = frame.stack_pointer_offset - m->fs.sp_offset;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     {
       /* We start to count from ARG_POINTER.  */
       HOST_WIDE_INT stack_size = frame.stack_pointer_offset;
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index adcb780b927..c1cebbaf21b 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -3183,7 +3183,7 @@ ia64_expand_prologue (void)
   ia64_compute_frame_size (get_frame_size ());
   last_scratch_gr_reg = 15;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = current_frame_info.total_size;
 
   if (dump_file) 
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 47f47af888c..fd27ee43a14 100644
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -981,7 +981,7 @@ m68k_expand_prologue (void)
 
   m68k_compute_frame_layout ();
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size
       = current_frame.size + current_frame.offset;
 
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 26028192db5..46b25f7b985 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -10008,7 +10008,7 @@ mips_expand_prologue (void)
   frame = &cfun->machine->frame;
   size = frame->total_size;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = size;
 
   /* Save the registers.  Allocate up to MIPS_MAX_FIRST_STACK_STEP
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index e3260c4105f..e512a33c070 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -3807,7 +3807,7 @@ hppa_expand_prologue (void)
     local_fsize += STARTING_FRAME_OFFSET;
 
   actual_fsize = compute_frame_size (size, &save_fregs);
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = actual_fsize;
 
   /* Compute a few things we will use often.  */
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index ea272fcaad6..48f387e98b6 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -20116,7 +20116,7 @@ rs6000_emit_prologue (void)
 			      && call_used_regs[STATIC_CHAIN_REGNUM]);
   HOST_WIDE_INT sp_offset = 0;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = info->total_size;
 
   if (flag_stack_check == STATIC_BUILTIN_STACK_CHECK && info->total_size)
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index de1c32638f8..e86755b37d9 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -8097,7 +8097,7 @@ s390_emit_prologue (void)
   if (!TARGET_PACKED_STACK)
     next_fpr = cfun_save_high_fprs_p ? 31 : 0;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = cfun_frame_layout.frame_size;
 
   /* Decrement stack pointer.  */
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index d799782181e..94c8ba4fb0a 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -7349,7 +7349,7 @@ sh_expand_prologue (void)
       emit_insn (gen_shcompact_incoming_args ());
     }
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = stack_usage;
 }
 
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index 634e44d15e8..c0f4e75590a 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -4522,7 +4522,7 @@ sparc_expand_prologue (void)
   /* Advertise that the data calculated just above are now valid.  */
   sparc_prologue_data_valid_p = true;
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = actual_fsize;
 
   if (flag_stack_check == STATIC_BUILTIN_STACK_CHECK && actual_fsize)
diff --git a/gcc/config/spu/spu.c b/gcc/config/spu/spu.c
index ca065ca44de..51a771563c6 100644
--- a/gcc/config/spu/spu.c
+++ b/gcc/config/spu/spu.c
@@ -2101,7 +2101,7 @@ spu_expand_prologue (void)
 	}
     }
 
-  if (flag_stack_usage)
+  if (flag_stack_usage_info)
     current_function_static_stack_size = total_size;
 }