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mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, [...]): New.

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* config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        mn10300_trampoline_init): New.
        * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
        mn10300_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.

From-SVN: r152003
This commit is contained in:
Richard Henderson 2009-09-22 08:14:32 -07:00 committed by Richard Henderson
parent dbbdb385c4
commit bdeb5f0c35
3 changed files with 48 additions and 25 deletions

7
gcc/ChangeLog

@ -176,6 +176,13 @@
(TRAMPOLINE_ALIGNMENT): New.
* gcc/config/mmix/mmix-protos.h: Update.
* config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
mn10300_trampoline_init): New.
* config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
mn10300_asm_trampoline_template.
(INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
2009-09-22 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes

42
gcc/config/mn10300/mn10300.c

@ -83,6 +83,9 @@ static bool mn10300_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
static int mn10300_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool);
static unsigned int mn10300_case_values_threshold (void);
static void mn10300_encode_section_info (tree, rtx, int);
static void mn10300_asm_trampoline_template (FILE *);
static void mn10300_trampoline_init (rtx, tree, rtx);
/* Initialize the GCC target structure. */
#undef TARGET_ASM_ALIGNED_HI_OP
@ -131,7 +134,11 @@ static unsigned int mn10300_case_values_threshold (void);
#undef TARGET_LEGITIMATE_ADDRESS_P
#define TARGET_LEGITIMATE_ADDRESS_P mn10300_legitimate_address_p
static void mn10300_encode_section_info (tree, rtx, int);
#undef TARGET_ASM_TRAMPOLINE_TEMPLATE
#define TARGET_ASM_TRAMPOLINE_TEMPLATE mn10300_asm_trampoline_template
#undef TARGET_TRAMPOLINE_INIT
#define TARGET_TRAMPOLINE_INIT mn10300_trampoline_init
struct gcc_target targetm = TARGET_INITIALIZER;
/* Implement TARGET_HANDLE_OPTION. */
@ -2165,3 +2172,36 @@ unsigned int mn10300_case_values_threshold (void)
{
return 6;
}
/* Worker function for TARGET_ASM_TRAMPOLINE_TEMPLATE. */
static void
mn10300_asm_trampoline_template (FILE *f)
{
fprintf (f, "\tadd -4,sp\n");
fprintf (f, "\t.long 0x0004fffa\n");
fprintf (f, "\tmov (0,sp),a0\n");
fprintf (f, "\tadd 4,sp\n");
fprintf (f, "\tmov (13,a0),a1\n");
fprintf (f, "\tmov (17,a0),a0\n");
fprintf (f, "\tjmp (a0)\n");
fprintf (f, "\t.long 0\n");
fprintf (f, "\t.long 0\n");
}
/* Worker function for TARGET_TRAMPOLINE_INIT. */
static void
mn10300_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
{
rtx fnaddr = XEXP (DECL_RTL (fndecl), 0);
rtx mem;
emit_block_move (m_tramp, assemble_trampoline_template (),
GEN_INT (TRAMPOLINE_SIZE), BLOCK_OP_NORMAL);
mem = adjust_address (m_tramp, SImode, 0x14);
emit_move_insn (mem, chain_value);
mem = adjust_address (m_tramp, SImode, 0x18);
emit_move_insn (mem, fnaddr);
}

24
gcc/config/mn10300/mn10300.h

@ -598,36 +598,12 @@ struct cum_arg {int nbytes; };
#define FUNCTION_PROFILER(FILE, LABELNO) ;
#define TRAMPOLINE_TEMPLATE(FILE) \
do { \
fprintf (FILE, "\tadd -4,sp\n"); \
fprintf (FILE, "\t.long 0x0004fffa\n"); \
fprintf (FILE, "\tmov (0,sp),a0\n"); \
fprintf (FILE, "\tadd 4,sp\n"); \
fprintf (FILE, "\tmov (13,a0),a1\n"); \
fprintf (FILE, "\tmov (17,a0),a0\n"); \
fprintf (FILE, "\tjmp (a0)\n"); \
fprintf (FILE, "\t.long 0\n"); \
fprintf (FILE, "\t.long 0\n"); \
} while (0)
/* Length in units of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE 0x1b
#define TRAMPOLINE_ALIGNMENT 32
/* Emit RTL insns to initialize the variable parts of a trampoline.
FNADDR is an RTX for the address of the function's pure code.
CXT is an RTX for the static chain value for the function. */
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
{ \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 0x14)), \
(CXT)); \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 0x18)), \
(FNADDR)); \
}
/* A C expression whose value is RTL representing the value of the return
address for the frame COUNT steps up from the current frame.