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mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.

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* gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mmix_trampoline_size): Remove.
        (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
        make static.  Remove out-of-date tetra vs octa comment.
        (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
        make static; update for hook parameters.
        * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
        (TRAMPOLINE_ALIGNMENT): New.
        * gcc/config/mmix/mmix-protos.h: Update.

From-SVN: r152002
This commit is contained in:
Richard Henderson 2009-09-22 08:14:24 -07:00 committed by Richard Henderson
parent a1d29c8cfe
commit dbbdb385c4
4 changed files with 43 additions and 33 deletions
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13
gcc/ChangeLog
View File

@ -163,6 +163,19 @@
(INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
update for hook parameters.
* gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
(TARGET_TRAMPOLINE_INIT): New.
(mmix_trampoline_size): Remove.
(mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
make static. Remove out-of-date tetra vs octa comment.
(mmix_trampoline_init): Rename from mmix_initialize_trampoline;
make static; update for hook parameters.
* config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
(INITIALIZE_TRAMPOLINE): Remove.
(TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
(TRAMPOLINE_ALIGNMENT): New.
* gcc/config/mmix/mmix-protos.h: Update.
2009-09-22 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes

3
gcc/config/mmix/mmix-protos.h
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@ -25,8 +25,6 @@ extern int mmix_initial_elimination_offset (int, int);
extern int mmix_starting_frame_offset (void);
extern int mmix_function_arg_regno_p (int, int);
extern void mmix_function_profiler (FILE *, int);
extern void mmix_trampoline_template (FILE *);
extern int mmix_trampoline_size;
extern int mmix_reversible_cc_mode (enum machine_mode);
extern int mmix_register_move_cost
(enum machine_mode, enum reg_class, enum reg_class);
@ -80,7 +78,6 @@ extern rtx mmix_dynamic_chain_address (rtx);
extern rtx mmix_return_addr_rtx (int, rtx);
extern rtx mmix_eh_return_stackadj_rtx (void);
extern rtx mmix_eh_return_handler_rtx (void);
extern void mmix_initialize_trampoline (rtx, rtx, rtx);
extern int mmix_constant_address_p (rtx);
extern int mmix_legitimate_constant_p (rtx);
extern void mmix_print_operand (FILE *, rtx, int);

51
gcc/config/mmix/mmix.c
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@ -141,6 +141,8 @@ static enum machine_mode mmix_promote_function_mode (const_tree,
static bool mmix_pass_by_reference (CUMULATIVE_ARGS *,
enum machine_mode, const_tree, bool);
static bool mmix_frame_pointer_required (void);
static void mmix_asm_trampoline_template (FILE *);
static void mmix_trampoline_init (rtx, tree, rtx);
/* Target structure macros. Listed by node. See `Using and Porting GCC'
for a general description. */
@ -212,6 +214,11 @@ static bool mmix_frame_pointer_required (void);
#undef TARGET_FRAME_POINTER_REQUIRED
#define TARGET_FRAME_POINTER_REQUIRED mmix_frame_pointer_required
#undef TARGET_ASM_TRAMPOLINE_TEMPLATE
#define TARGET_ASM_TRAMPOLINE_TEMPLATE mmix_asm_trampoline_template
#undef TARGET_TRAMPOLINE_INIT
#define TARGET_TRAMPOLINE_INIT mmix_trampoline_init
struct gcc_target targetm = TARGET_INITIALIZER;
/* Functions that are expansions for target macros.
@ -886,46 +893,44 @@ mmix_setup_incoming_varargs (CUMULATIVE_ARGS *args_so_farp,
internal_error ("MMIX Internal: Last named vararg would not fit in a register");
}
/* TRAMPOLINE_SIZE. */
/* Four 4-byte insns plus two 8-byte values. */
int mmix_trampoline_size = 32;
/* TARGET_ASM_TRAMPOLINE_TEMPLATE. */
/* TRAMPOLINE_TEMPLATE. */
void
mmix_trampoline_template (FILE *stream)
static void
mmix_asm_trampoline_template (FILE *stream)
{
/* Read a value into the static-chain register and jump somewhere. The
static chain is stored at offset 16, and the function address is
stored at offset 24. */
/* FIXME: GCC copies this using *intsize* (tetra), when it should use
register size (octa). */
fprintf (stream, "\tGETA $255,1F\n\t");
fprintf (stream, "LDOU %s,$255,0\n\t",
reg_names[MMIX_STATIC_CHAIN_REGNUM]);
fprintf (stream, "LDOU %s,$255,0\n\t", reg_names[MMIX_STATIC_CHAIN_REGNUM]);
fprintf (stream, "LDOU $255,$255,8\n\t");
fprintf (stream, "GO $255,$255,0\n");
fprintf (stream, "1H\tOCTA 0\n\t");
fprintf (stream, "OCTA 0\n");
}
/* INITIALIZE_TRAMPOLINE. */
/* TARGET_TRAMPOLINE_INIT. */
/* Set the static chain and function pointer field in the trampoline.
We also SYNCID here to be sure (doesn't matter in the simulator, but
some day it will). */
void
mmix_initialize_trampoline (rtx trampaddr, rtx fnaddr, rtx static_chain)
static void
mmix_trampoline_init (rtx m_tramp, tree fndecl, rtx static_chain)
{
emit_move_insn (gen_rtx_MEM (DImode, plus_constant (trampaddr, 16)),
static_chain);
emit_move_insn (gen_rtx_MEM (DImode,
plus_constant (trampaddr, 24)),
fnaddr);
emit_insn (gen_sync_icache (validize_mem (gen_rtx_MEM (DImode,
trampaddr)),
GEN_INT (mmix_trampoline_size - 1)));
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, DImode, 2*UNITS_PER_WORD);
emit_move_insn (mem, static_chain);
mem = adjust_address (m_tramp, DImode, 3*UNITS_PER_WORD);
emit_move_insn (mem, fnaddr);
mem = adjust_address (m_tramp, DImode, 0);
emit_insn (gen_sync_icache (mem, GEN_INT (TRAMPOLINE_SIZE - 1)));
}
/* We must exclude constant addresses that have an increment that is not a

9
gcc/config/mmix/mmix.h
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@ -651,13 +651,8 @@ typedef struct { int regs; int lib; } CUMULATIVE_ARGS;
/* Node: Trampolines */
#define TRAMPOLINE_TEMPLATE(FILE) \
mmix_trampoline_template (FILE)
#define TRAMPOLINE_SIZE mmix_trampoline_size
#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) \
mmix_initialize_trampoline (ADDR, FNADDR, STATIC_CHAIN)
#define TRAMPOLINE_SIZE (4*UNITS_PER_WORD)
#define TRAMPOLINE_ALIGNMENT BITS_PER_WORD
/* Node: Addressing Modes */