Commit 71e0af3c by Richard Henderson Committed by Richard Henderson

mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.

        * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mcore_function_value): Fix typo.
        (mcore_asm_trampoline_template, mcore_trampoline_init): New.
        * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
        to mcore_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.

From-SVN: r151999
parent 0d7e5af1
......@@ -141,6 +141,14 @@
* config/m68hc11/m68hc11-protos.h: Update.
* config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
* config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
(TARGET_TRAMPOLINE_INIT): New.
(mcore_function_value): Fix typo.
(mcore_asm_trampoline_template, mcore_trampoline_init): New.
* config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
to mcore_asm_trampoline_template.
(INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
2009-09-22 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
......
......@@ -144,7 +144,8 @@ static bool mcore_return_in_memory (const_tree, const_tree);
static int mcore_arg_partial_bytes (CUMULATIVE_ARGS *,
enum machine_mode,
tree, bool);
static void mcore_asm_trampoline_template (FILE *);
static void mcore_trampoline_init (rtx, tree, rtx);
/* MCore specific attributes. */
......@@ -209,6 +210,11 @@ static const struct attribute_spec mcore_attribute_table[] =
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS mcore_setup_incoming_varargs
#undef TARGET_ASM_TRAMPOLINE_TEMPLATE
#define TARGET_ASM_TRAMPOLINE_TEMPLATE mcore_asm_trampoline_template
#undef TARGET_TRAMPOLINE_INIT
#define TARGET_TRAMPOLINE_INIT mcore_trampoline_init
struct gcc_target targetm = TARGET_INITIALIZER;
/* Adjust the stack and return the number of bytes taken to do it. */
......@@ -2736,7 +2742,7 @@ mcore_function_value (const_tree valtype, const_tree func)
mode = TYPE_MODE (valtype);
/* Since we promote return types, we must promote the mode here too. */
mode = promote_function_mode (valtype, mode, &unsignedp, func, 1);
mode = promote_function_mode (valtype, mode, &unsigned_p, func, 1);
return handle_structs_in_regs (mode, valtype, FIRST_RET_REG);
}
......@@ -3105,3 +3111,42 @@ mcore_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED)
const HOST_WIDE_INT size = int_size_in_bytes (type);
return (size == -1 || size > 2 * UNITS_PER_WORD);
}
/* Worker function for TARGET_ASM_TRAMPOLINE_TEMPLATE.
Output assembler code for a block containing the constant parts
of a trampoline, leaving space for the variable parts.
On the MCore, the trampoline looks like:
lrw r1, function
lrw r13, area
jmp r13
or r0, r0
.literals */
static void
mcore_asm_trampoline_template (FILE *f)
{
fprintf (f, "\t.short 0x7102\n");
fprintf (f, "\t.short 0x7d02\n");
fprintf (f, "\t.short 0x00cd\n");
fprintf (f, "\t.short 0x1e00\n");
fprintf (f, "\t.long 0\n");
fprintf (f, "\t.long 0\n");
}
/* Worker function for TARGET_TRAMPOLINE_INIT. */
static void
mcore_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 (2*UNITS_PER_WORD), BLOCK_OP_NORMAL);
mem = adjust_address (m_tramp, SImode, 8);
emit_move_insn (mem, chain_value);
mem = adjust_address (m_tramp, SImode, 12);
emit_move_insn (mem, fnaddr);
}
......@@ -631,42 +631,12 @@ extern const enum reg_class reg_class_from_letter[];
No definition is equivalent to always zero. */
#define EXIT_IGNORE_STACK 0
/* Output assembler code for a block containing the constant parts
of a trampoline, leaving space for the variable parts.
On the MCore, the trampoline looks like:
lrw r1, function
lrw r13, area
jmp r13
or r0, r0
.literals */
#define TRAMPOLINE_TEMPLATE(FILE) \
{ \
fprintf ((FILE), " .short 0x7102\n"); \
fprintf ((FILE), " .short 0x7d02\n"); \
fprintf ((FILE), " .short 0x00cd\n"); \
fprintf ((FILE), " .short 0x1e00\n"); \
fprintf ((FILE), " .long 0\n"); \
fprintf ((FILE), " .long 0\n"); \
}
/* Length in units of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE 12
/* Alignment required for a trampoline in bits. */
#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), 8)), \
(CXT)); \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 12)), \
(FNADDR)); \
}
/* Macros to check register numbers against specific register classes. */
/* These assume that REGNO is a hard or pseudo reg number.
......
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