diff options
Diffstat (limited to 'gcc/config/iq2000/iq2000.c')
| -rw-r--r-- | gcc/config/iq2000/iq2000.c | 54 |
1 files changed, 42 insertions, 12 deletions
diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c index 5015b86db24..59fcc6c1fcb 100644 --- a/gcc/config/iq2000/iq2000.c +++ b/gcc/config/iq2000/iq2000.c @@ -1,5 +1,5 @@ /* Subroutines used for code generation on Vitesse IQ2000 processors - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of GCC. @@ -163,9 +163,14 @@ static struct machine_function* iq2000_init_machine_status (void); static void iq2000_select_rtx_section (enum machine_mode, rtx, unsigned HOST_WIDE_INT); static void iq2000_init_builtins (void); static rtx iq2000_expand_builtin (tree, rtx, rtx, enum machine_mode, int); +static bool iq2000_return_in_memory (tree, tree); +static void iq2000_setup_incoming_varargs (CUMULATIVE_ARGS *, + enum machine_mode, tree, int *, + int); static bool iq2000_rtx_costs (rtx, int, int, int *); static int iq2000_address_cost (rtx); static void iq2000_select_section (tree, int, unsigned HOST_WIDE_INT); +static bool iq2000_return_in_memory (tree, tree); #undef TARGET_INIT_BUILTINS #define TARGET_INIT_BUILTINS iq2000_init_builtins @@ -180,6 +185,23 @@ static void iq2000_select_section (tree, int, unsigned HOST_WIDE_INT); #undef TARGET_ASM_SELECT_SECTION #define TARGET_ASM_SELECT_SECTION iq2000_select_section +#undef TARGET_PROMOTE_FUNCTION_ARGS +#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true +#undef TARGET_PROMOTE_FUNCTION_RETURN +#define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true +#undef TARGET_PROMOTE_PROTOTYPES +#define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true + +#undef TARGET_STRUCT_VALUE_RTX +#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null +#undef TARGET_RETURN_IN_MEMORY +#define TARGET_RETURN_IN_MEMORY iq2000_return_in_memory + +#undef TARGET_SETUP_INCOMING_VARARGS +#define TARGET_SETUP_INCOMING_VARARGS iq2000_setup_incoming_varargs +#undef TARGET_STRICT_ARGUMENT_NAMING +#define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_true + struct gcc_target targetm = TARGET_INITIALIZER; /* Return 1 if OP can be used as an operand where a register or 16 bit unsigned @@ -2642,8 +2664,8 @@ iq2000_function_value (tree valtype, tree func ATTRIBUTE_UNUSED) enum machine_mode mode = TYPE_MODE (valtype); int unsignedp = TREE_UNSIGNED (valtype); - /* Since we define PROMOTE_FUNCTION_RETURN, we must promote the mode - just as PROMOTE_MODE does. */ + /* Since we define TARGET_PROMOTE_FUNCTION_RETURN that returns true, + we must promote the mode just as PROMOTE_MODE does. */ mode = promote_mode (valtype, mode, &unsignedp, 1); return gen_rtx_REG (mode, reg); @@ -3262,20 +3284,28 @@ iq2000_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, return NULL_RTX; } -void -iq2000_setup_incoming_varargs (CUMULATIVE_ARGS cum, int mode ATTRIBUTE_UNUSED, +static bool +iq2000_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED) +{ + return ((int_size_in_bytes (type) > (2 * UNITS_PER_WORD)) + || (int_size_in_bytes (type) == -1)); +} + +static void +iq2000_setup_incoming_varargs (CUMULATIVE_ARGS *cum, + enum machine_mode mode ATTRIBUTE_UNUSED, tree type ATTRIBUTE_UNUSED, int * pretend_size, int no_rtl) { - unsigned int iq2000_off = (! (cum).last_arg_fp); - unsigned int iq2000_fp_off = ((cum).last_arg_fp); + unsigned int iq2000_off = ! cum->last_arg_fp; + unsigned int iq2000_fp_off = cum->last_arg_fp; - if (((cum).arg_words < MAX_ARGS_IN_REGISTERS - iq2000_off)) + if ((cum->arg_words < MAX_ARGS_IN_REGISTERS - iq2000_off)) { int iq2000_save_gp_regs - = MAX_ARGS_IN_REGISTERS - (cum).arg_words - iq2000_off; + = MAX_ARGS_IN_REGISTERS - cum->arg_words - iq2000_off; int iq2000_save_fp_regs - = (MAX_ARGS_IN_REGISTERS - (cum).fp_arg_words - iq2000_fp_off); + = (MAX_ARGS_IN_REGISTERS - cum->fp_arg_words - iq2000_fp_off); if (iq2000_save_gp_regs < 0) iq2000_save_gp_regs = 0; @@ -3287,7 +3317,7 @@ iq2000_setup_incoming_varargs (CUMULATIVE_ARGS cum, int mode ATTRIBUTE_UNUSED, if (! (no_rtl)) { - if ((cum).arg_words < MAX_ARGS_IN_REGISTERS - iq2000_off) + if (cum->arg_words < MAX_ARGS_IN_REGISTERS - iq2000_off) { rtx ptr, mem; ptr = plus_constant (virtual_incoming_args_rtx, @@ -3295,7 +3325,7 @@ iq2000_setup_incoming_varargs (CUMULATIVE_ARGS cum, int mode ATTRIBUTE_UNUSED, * UNITS_PER_WORD)); mem = gen_rtx_MEM (BLKmode, ptr); move_block_from_reg - ((cum).arg_words + GP_ARG_FIRST + iq2000_off, + (cum->arg_words + GP_ARG_FIRST + iq2000_off, mem, iq2000_save_gp_regs); } |
