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riscv-gcc-1
Commit 8f949e7e by John David Anglin Committed by John David Anglin
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pa.c (FUNC_BEGIN_PROLOG_LABEL, [...]): Define. 

	* pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
	(pa_output_function_prologue): Output local label at the beginning of
	the prologue when profiling.
	(hppa_profile_hook): Use the local label rather than the function label.
	* pa.h (PROFILE_BEFORE_PROLOGUE): Define.

From-SVN: r48621
parent c62f2db5
Showing with 43 additions and 15 deletions
gcc/ChangeLog
2002-01-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
* pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
(pa_output_function_prologue): Output local label at the beginning of
the prologue when profiling.
(hppa_profile_hook): Use the local label rather than the function label.
* pa.h (PROFILE_BEFORE_PROLOGUE): Define.
2002-01-07 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.c (print_operand): Remove extra space.
......
gcc/config/pa/pa.c
/* Subroutines for insn-output.c for HPPA.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
2002 Free Software Foundation, Inc.
Contributed by Tim Moore (moore@cs.utah.edu), based on sparc.c
This file is part of GNU CC.
......@@ -55,6 +55,10 @@ Boston, MA 02111-1307, USA. */
#endif
#endif
#ifndef FUNC_BEGIN_PROLOG_LABEL
#define FUNC_BEGIN_PROLOG_LABEL "LFBP"
#endif
static inline rtx force_mode PARAMS ((enum machine_mode, rtx));
static void pa_combine_instructions PARAMS ((rtx));
static int pa_can_combine_p PARAMS ((rtx, rtx, rtx, int, rtx, rtx, rtx));
......@@ -96,6 +100,11 @@ const char *pa_arch_string;
registers which were saved by the current function's prologue. */
static int gr_saved, fr_saved;
/* The number of the current function for which profile information
is to be collected. These numbers are used to create unique label
id's for labels emitted at the beginning of profiled functions. */
static unsigned int current_function_number = 0;
static rtx find_addr_reg PARAMS ((rtx));
/* Keep track of the number of bytes we have output in the CODE subspaces
......@@ -3007,6 +3016,16 @@ pa_output_function_prologue (file, size)
fputs ("\n\t.ENTRY\n", file);
/* When profiling, we need a local label at the beginning of the
prologue because GAS can't handle the difference of a global symbol
and a local symbol. */
if (current_function_profile)
{
ASM_OUTPUT_INTERNAL_LABEL (file, FUNC_BEGIN_PROLOG_LABEL,
current_function_number);
current_function_number++;
}
/* If we're using GAS and not using the portable runtime model, then
we don't need to accumulate the total number of code bytes. */
if (TARGET_GAS && ! TARGET_PORTABLE_RUNTIME)
......@@ -3459,14 +3478,12 @@ void
hppa_profile_hook (label_no)
int label_no ATTRIBUTE_UNUSED;
{
rtx call_insn;
rtx begin_label_rtx, call_insn;
char begin_label_name[16];
/* No profiling for inline functions. We don't want extra calls to
_mcount when the inline function is expanded. Even if that made
sense, it wouldn't work here as there is no function label for
the inline expansion. */
if (DECL_INLINE (cfun->decl))
return;
ASM_GENERATE_INTERNAL_LABEL (begin_label_name, FUNC_BEGIN_PROLOG_LABEL,
current_function_number);
begin_label_rtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (begin_label_name));
if (TARGET_64BIT)
emit_move_insn (arg_pointer_rtx,
......@@ -3478,10 +3495,10 @@ hppa_profile_hook (label_no)
#ifndef NO_PROFILE_COUNTERS
{
rtx count_label_rtx, addr, r24;
char label_name[16];
char count_label_name[16];
ASM_GENERATE_INTERNAL_LABEL (label_name, "LP", label_no);
count_label_rtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (label_name));
ASM_GENERATE_INTERNAL_LABEL (count_label_name, "LP", label_no);
count_label_rtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (count_label_name));
if (flag_pic)
{
......@@ -3508,7 +3525,7 @@ hppa_profile_hook (label_no)
call_insn =
emit_call_insn (gen_call_profiler (gen_rtx_SYMBOL_REF (Pmode, "_mcount"),
GEN_INT (TARGET_64BIT ? 24 : 12),
XEXP (DECL_RTL (cfun->decl), 0)));
begin_label_rtx));
use_reg (&CALL_INSN_FUNCTION_USAGE (call_insn), r24);
}
......@@ -3517,7 +3534,7 @@ hppa_profile_hook (label_no)
call_insn =
emit_call_insn (gen_call_profiler (gen_rtx_SYMBOL_REF (Pmode, "_mcount"),
GEN_INT (TARGET_64BIT ? 16 : 8),
XEXP (DECL_RTL (cfun->decl), 0)));
begin_label_rtx));
#endif
/* Indicate the _mcount call cannot throw, nor will it execute a
......
gcc/config/pa/pa.h
/* Definitions of target machine for GNU compiler, for the HP Spectrum.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001 Free Software Foundation, Inc.
2001, 2002 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com) of Cygnus Support
and Tim Moore (moore@defmacro.cs.utah.edu) of the Center for
Software Science at the University of Utah.
......@@ -889,6 +889,9 @@ extern enum cmp_type hppa_branch_type;
#define PROFILE_HOOK(label_no) hppa_profile_hook (label_no)
void hppa_profile_hook PARAMS ((int label_no));
/* The profile counter if emitted must come before the prologue. */
#define PROFILE_BEFORE_PROLOGUE 1
/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
the stack pointer does not matter. The value is tested only in
functions that have frame pointers.
......
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