* alpha.c (alpha_function_name): Delete.
(alpha_ra_ever_killed): Notice current_function_is_thunk.
(alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
(alpha_start_function): Reorg from output_prologue.
(alpha_end_function): Reorg from output_epilogue.
* alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
(ASM_DECLARE_FUNCTION_SIZE): New.
(FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
(PROFILE_BEFORE_PROLOGUE): Set.
(ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
* alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
From-SVN: r20709
+Thu Jun 25 01:00:48 1998 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_function_name): Delete.
+ (alpha_ra_ever_killed): Notice current_function_is_thunk.
+ (alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
+ (alpha_start_function): Reorg from output_prologue.
+ (alpha_end_function): Reorg from output_epilogue.
+ * alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
+ (ASM_DECLARE_FUNCTION_SIZE): New.
+ (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
+ (PROFILE_BEFORE_PROLOGUE): Set.
+ (ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
+ * alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
Thu Jun 25 01:18:47 1998 John Wehle (john@feith.com)
* i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
rtx alpha_compare_op0, alpha_compare_op1;
int alpha_compare_fp_p;
-/* Save the name of the current function as used by the assembler. This
- is used by the epilogue. */
-
-char *alpha_function_name;
-
/* Non-zero if inside of a function, because the Alpha asm can't
handle .files inside of functions. */
static int
alpha_ra_ever_killed ()
{
+#ifdef ASM_OUTPUT_MI_THUNK
+ if (current_function_is_thunk)
+ return 0;
+#endif
if (!alpha_return_addr_rtx)
return regs_ever_live[REG_RA];
/* Register number used to reference objects off our PV. */
static int vms_base_regno;
-/* Compute register masks for saved registers. */
+/* Compute register masks for saved registers. */
static void
alpha_sa_mask (imaskP, fmaskP)
unsigned long fmask = 0;
int i;
- if (TARGET_OPEN_VMS && vms_is_stack_procedure)
- imask |= (1L << HARD_FRAME_POINTER_REGNUM);
-
- /* One for every register we have to save. */
+#ifdef ASM_OUTPUT_MI_THUNK
+ if (!current_function_is_thunk)
+#endif
+ {
+ if (TARGET_OPEN_VMS && vms_is_stack_procedure)
+ imask |= (1L << HARD_FRAME_POINTER_REGNUM);
- for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
- if (! fixed_regs[i] && ! call_used_regs[i]
- && regs_ever_live[i] && i != REG_RA)
- {
- if (i < 32)
- imask |= (1L << i);
- else
- fmask |= (1L << (i - 32));
- }
+ /* One for every register we have to save. */
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (! fixed_regs[i] && ! call_used_regs[i]
+ && regs_ever_live[i] && i != REG_RA)
+ {
+ if (i < 32)
+ imask |= (1L << i);
+ else
+ fmask |= (1L << (i - 32));
+ }
- if (imask || fmask || alpha_ra_ever_killed ())
- imask |= (1L << REG_RA);
+ if (imask || fmask || alpha_ra_ever_killed ())
+ imask |= (1L << REG_RA);
+ }
*imaskP = imask;
*fmaskP = fmask;
-
- return;
}
int
int sa_size = 0;
int i;
- /* One for every register we have to save. */
-
- for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
- if (! fixed_regs[i] && ! call_used_regs[i]
- && regs_ever_live[i] && i != REG_RA)
- sa_size++;
+#ifdef ASM_OUTPUT_MI_THUNK
+ if (current_function_is_thunk)
+ sa_size = 0;
+ else
+#endif
+ {
+ /* One for every register we have to save. */
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (! fixed_regs[i] && ! call_used_regs[i]
+ && regs_ever_live[i] && i != REG_RA)
+ sa_size++;
+ }
if (TARGET_OPEN_VMS)
{
return 1;
#endif
+#ifdef ASM_OUTPUT_MI_THUNK
+ if (current_function_is_thunk)
+ return 1;
+#endif
+
/* If we need a GP (we have a LDSYM insn or a CALL_INSN), load it first.
Even if we are a static function, we still need to do this in case
our address is taken and passed to something like qsort. */
emit_insn (gen_blockage ());
}
-/* Output the rest of the textual info surrounding the prologue. */
+/* Output the textual info surrounding the prologue. */
void
-output_prologue (file, size)
+alpha_start_function (file, fnname, decl)
FILE *file;
- HOST_WIDE_INT size;
+ char *fnname;
+ tree decl;
{
unsigned long imask = 0;
unsigned long fmask = 0;
HOST_WIDE_INT frame_size;
/* Offset from base reg to register save area. */
HOST_WIDE_INT reg_offset;
- char *entry_label = (char *) alloca (strlen (alpha_function_name) + 6);
+ char *entry_label = (char *) alloca (strlen (fnname) + 6);
int i;
sa_size = alpha_sa_size ();
if (TARGET_OPEN_VMS || !flag_inhibit_size_directive)
{
fputs ("\t.ent ", file);
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
putc ('\n', file);
}
- strcpy (entry_label, alpha_function_name);
+ strcpy (entry_label, fnname);
if (TARGET_OPEN_VMS)
strcat (entry_label, "..en");
ASM_OUTPUT_LABEL (file, entry_label);
fputs ("\tldgp $29,0($27)\n", file);
putc ('$', file);
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
fputs ("..ng:\n", file);
}
available then. */
readonly_section ();
fprintf (file, "\t.align 3\n");
- assemble_name (file, alpha_function_name); fputs ("..na:\n", file);
+ assemble_name (file, fnname); fputs ("..na:\n", file);
fputs ("\t.ascii \"", file);
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
fputs ("\\0\"\n", file);
link_section ();
fprintf (file, "\t.align 3\n");
fputs ("\t.name ", file);
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
fputs ("..na\n", file);
- ASM_OUTPUT_LABEL (file, alpha_function_name);
+ ASM_OUTPUT_LABEL (file, fnname);
fprintf (file, "\t.pdesc ");
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
fprintf (file, "..en,%s\n", vms_is_stack_procedure ? "stack" : "reg");
- alpha_need_linkage (alpha_function_name, 1);
+ alpha_need_linkage (fnname, 1);
text_section ();
#endif
}
/* Output the rest of the textual info surrounding the epilogue. */
void
-output_epilogue (file, size)
+alpha_end_function (file, fnname, decl)
FILE *file;
- int size;
+ char *fnname;
+ tree decl;
{
/* End the function. */
if (!flag_inhibit_size_directive)
{
fputs ("\t.end ", file);
- assemble_name (file, alpha_function_name);
+ assemble_name (file, fnname);
putc ('\n', file);
}
inside_function = FALSE;
extern int alpha_compare_fp_p;
/* Make (or fake) .linkage entry for function call.
-
IS_LOCAL is 0 if name is used in call, 1 if name is used in definition. */
extern void alpha_need_linkage ();
#define ASM_COMMENT_START " #"
-/* This macro produces the initial definition of a function name. On the
- Alpha, we need to save the function name for the prologue and epilogue. */
-
-extern char *alpha_function_name;
+/* This macro produces the initial definition of a function. */
-#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
-{ \
- alpha_function_name = NAME; \
-}
-
-/* This macro generates the assembly code for function entry.
- FILE is a stdio stream to output the code to.
- SIZE is an int: how many units of temporary storage to allocate.
- Refer to the array `regs_ever_live' to determine which registers
- to save; `regs_ever_live[I]' is nonzero if register number I
- is ever used in the function. This macro is responsible for
- knowing which registers should not be saved even if used. */
+#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
+ alpha_start_function(FILE,NAME,DECL);
+extern void alpha_start_function ();
-#define FUNCTION_PROLOGUE(FILE, SIZE) output_prologue (FILE, SIZE)
+/* This macro closes up a function definition for the assembler. */
+#define ASM_DECLARE_FUNCTION_SIZE(FILE,NAME,DECL) \
+ alpha_end_function(FILE,NAME,DECL)
+extern void alpha_end_function ();
+
/* This macro notes the end of the prologue. */
#define FUNCTION_END_PROLOGUE(FILE) output_end_prologue (FILE)
+/* Output any profiling code before the prologue. */
+
+#define PROFILE_BEFORE_PROLOGUE 1
+
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. Under OSF/1, profiling is enabled
by simply passing -pg to the assembler and linker. */
No definition is equivalent to always zero. */
#define EXIT_IGNORE_STACK 1
-
-/* This macro generates the assembly code for function exit,
- on machines that need it. If FUNCTION_EPILOGUE is not defined
- then individual return instructions are generated for each
- return statement. Args are same as for FUNCTION_PROLOGUE.
-
- The function epilogue should not depend on the current stack pointer!
- It should use the frame pointer only. This is mandatory because
- of alloca; we also take advantage of it to omit stack adjustments
- before returning. */
-
-#define FUNCTION_EPILOGUE(FILE, SIZE) output_epilogue (FILE, SIZE)
-
\f
/* Output assembler code for a block containing the constant parts
of a trampoline, leaving space for the variable parts.
do { \
char *fn_name = XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0); \
\
- fprintf (FILE, "\t.ent "); \
- assemble_name (FILE, alpha_function_name); \
- fputc ('\n', FILE); \
- ASM_OUTPUT_LABEL (FILE, alpha_function_name); \
- fprintf (FILE, "\tldgp $29,0($27)\n"); \
- fputc ('$', FILE); \
- assemble_name (FILE, alpha_function_name); \
- fprintf (FILE, "..ng:\n"); \
- fprintf (FILE, "\t.frame $30,0,$26,0\n"); \
- fprintf (FILE, "\t.prologue 1\n"); \
+ /* Mark end of prologue. */ \
+ output_end_prologue (FILE); \
\
/* Rely on the assembler to macro expand a large delta. */ \
fprintf (FILE, "\tlda $16,%ld($16)\n", (long)(DELTA)); \
} \
else \
{ \
- fprintf (FILE, "\tlda $27,"); \
- assemble_name (FILE, fn_name); \
- fprintf (FILE, "\n\tjmp $31,($27),"); \
+ fprintf (FILE, "\tjmp $31,"); \
assemble_name (FILE, fn_name); \
fputc ('\n', FILE); \
} \
- \
- fprintf (FILE, "\t.end "); \
- assemble_name (FILE, alpha_function_name); \
- fputc ('\n', FILE); \
} while (0)
-
\f
/* Define results of standard character escape sequences. */
#define TARGET_BELL 007
/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
Used for C++ multiple inheritance. */
-#undef ASM_OUTPUT_MI_THUNK
#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
do { \
- char *fn_name = XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0); \
+ char *op, *fn_name = XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0); \
\
- fprintf (FILE, "\t.ent "); \
- assemble_name (FILE, alpha_function_name); \
- fputc ('\n', FILE); \
- ASM_OUTPUT_LABEL (FILE, alpha_function_name); \
- fprintf (FILE, "\t.frame $30,0,$26,0\n"); \
- fprintf (FILE, "\t.prologue 1\n"); \
+ /* Mark end of prologue. */ \
+ output_end_prologue (FILE); \
\
/* Rely on the assembler to macro expand a large delta. */ \
fprintf (FILE, "\tlda $16,%ld($16)\n", (long)(DELTA)); \
\
+ op = "jsr"; \
if (current_file_function_operand (XEXP (DECL_RTL (FUNCTION), 0))) \
- { \
- fprintf (FILE, "\tbr $31,"); \
- assemble_name (FILE, fn_name); \
- fputc ('\n', FILE); \
- } \
- else \
- { \
- fprintf (FILE, "\tjmp $31,"); \
- assemble_name (FILE, fn_name); \
- fputc ('\n', FILE); \
- } \
- \
- fprintf (FILE, "\t.end "); \
- assemble_name (FILE, alpha_function_name); \
+ op = "br"; \
+ fprintf (FILE, "\t%s $31,", op); \
+ assemble_name (FILE, fn_name); \
fputc ('\n', FILE); \
} while (0)
-
projects / gcc.git / commitdiff