* config/m68k/m68k.c (m68k_compute_frame_layout): Ensure FPU related

	frame information is always valid.
	(m68k_output_function_prologue): Remove superfluous TARGET_68881
	test; fix formatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72965 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 794acfd..7d25e33 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,12 @@
 2003-10-26  Gunther Nikl  <gni@gecko.de>
 
+       * config/m68k/m68k.c (m68k_compute_frame_layout): Ensure FPU related
+       frame information is always valid.
+       (m68k_output_function_prologue): Remove superfluous TARGET_68881
+       test; fix formatting.
+
+2003-10-26  Gunther Nikl  <gni@gecko.de>
+
        * config/m68k/m68k.c (m68k_compute_frame_layout): Swap reg_mask and
        reg_rev_mask computation.
        (m68k_output_function_prologue): Fix usage of current_frame (one typo

diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 64c8c9c..565e41f 100644 (file)
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -352,9 +352,10 @@ m68k_compute_frame_layout (void)
   current_frame.reg_mask = mask;
   current_frame.reg_rev_mask = rmask;
 
+  current_frame.foffset = 0;
+  mask = rmask = saved = 0;
   if (TARGET_68881 /* || TARGET_CFV4E */)
     {
-      mask = rmask = saved = 0;
       for (regno = 16; regno < 24; regno++)
        if (m68k_save_reg (regno, interrupt_handler))
          {
@@ -364,10 +365,10 @@ m68k_compute_frame_layout (void)
          }
       current_frame.foffset = saved * 12 /* (TARGET_CFV4E ? 8 : 12) */;
       current_frame.offset += current_frame.foffset;
-      current_frame.fpu_no = saved;
-      current_frame.fpu_mask = mask;
-      current_frame.fpu_rev_mask = rmask;
     }
+  current_frame.fpu_no = saved;
+  current_frame.fpu_mask = mask;
+  current_frame.fpu_rev_mask = rmask;
 
   /* Remember what function this frame refers to.  */
   current_frame.funcdef_no = current_function_funcdef_no;
@@ -603,28 +604,24 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size ATTRIBUTE_UNUSED
        }
     } /* !frame_pointer_needed */
 
-  if (TARGET_68881)
+  if (current_frame.fpu_mask)
     {
-      if (current_frame.fpu_mask)
-       {
 #ifdef MOTOROLA
-         asm_fprintf (stream, "\tfmovm %I0x%x,-(%Rsp)\n", current_frame.fpu_mask);
+      asm_fprintf (stream, "\tfmovm %I0x%x,-(%Rsp)\n", current_frame.fpu_mask);
 #else
-         asm_fprintf (stream, "\tfmovem %I0x%x,%Rsp@-\n", current_frame.fpu_mask);
+      asm_fprintf (stream, "\tfmovem %I0x%x,%Rsp@-\n", current_frame.fpu_mask);
 #endif
-         if (dwarf2out_do_frame ())
-           {
-             char *l = (char *) dwarf2out_cfi_label ();
-             int n_regs, regno;
-
-             cfa_offset += current_frame.fpu_no * 12;
-             if (! frame_pointer_needed)
-               dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset);
-             for (regno = 16, n_regs = 0; regno < 24; regno++)
-               if (current_frame.fpu_mask & (1 << (regno - 16)))
-                 dwarf2out_reg_save (l, regno,
-                                     -cfa_offset + n_regs++ * 12);
-           }
+      if (dwarf2out_do_frame ())
+       {
+         char *l = (char *) dwarf2out_cfi_label ();
+         int n_regs, regno;
+
+         cfa_offset += current_frame.fpu_no * 12;
+         if (! frame_pointer_needed)
+           dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset);
+         for (regno = 16, n_regs = 0; regno < 24; regno++)
+           if (current_frame.fpu_mask & (1 << (regno - 16)))
+             dwarf2out_reg_save (l, regno, -cfa_offset + n_regs++ * 12);
        }
     }
 
@@ -710,8 +707,7 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size ATTRIBUTE_UNUSED
            dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset);
          for (regno = 0, n_regs = 0; regno < 16; regno++)
            if (current_frame.reg_mask & (1 << regno))
-             dwarf2out_reg_save (l, regno,
-                                 -cfa_offset + n_regs++ * 4);
+             dwarf2out_reg_save (l, regno, -cfa_offset + n_regs++ * 4);
        }
     }
   if (!TARGET_SEP_DATA && flag_pic &&