diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index afca3c68a62..83fbdfa858a 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -65,6 +65,7 @@ typedef struct minipool_fixup Mfix; void (*arm_lang_output_object_attributes_hook)(void); /* Forward function declarations. */ +static bool arm_needs_doubleword_align (enum machine_mode, const_tree); static int arm_compute_static_chain_stack_bytes (void); static arm_stack_offsets *arm_get_frame_offsets (void); static void arm_add_gc_roots (void); @@ -168,6 +169,7 @@ static rtx arm_function_arg (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static void arm_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); +static unsigned int arm_function_arg_boundary (enum machine_mode, const_tree); static rtx aapcs_allocate_return_reg (enum machine_mode, const_tree, const_tree); static int aapcs_select_return_coproc (const_tree, const_tree); @@ -415,6 +417,8 @@ static const struct default_options arm_option_optimization_table[] = #define TARGET_FUNCTION_ARG arm_function_arg #undef TARGET_FUNCTION_ARG_ADVANCE #define TARGET_FUNCTION_ARG_ADVANCE arm_function_arg_advance +#undef TARGET_FUNCTION_ARG_BOUNDARY +#define TARGET_FUNCTION_ARG_BOUNDARY arm_function_arg_boundary #undef TARGET_SETUP_INCOMING_VARARGS #define TARGET_SETUP_INCOMING_VARARGS arm_setup_incoming_varargs @@ -4527,7 +4531,7 @@ arm_init_cumulative_args (CUMULATIVE_ARGS *pcum, tree fntype, /* Return true if mode/type need doubleword alignment. */ -bool +static bool arm_needs_doubleword_align (enum machine_mode mode, const_tree type) { return (GET_MODE_ALIGNMENT (mode) > PARM_BOUNDARY @@ -4606,6 +4610,14 @@ arm_function_arg (CUMULATIVE_ARGS *pcum, enum machine_mode mode, return gen_rtx_REG (mode, pcum->nregs); } +static unsigned int +arm_function_arg_boundary (enum machine_mode mode, const_tree type) +{ + return (ARM_DOUBLEWORD_ALIGN && arm_needs_doubleword_align (mode, type) + ? DOUBLEWORD_ALIGNMENT + : PARM_BOUNDARY); +} + static int arm_arg_partial_bytes (CUMULATIVE_ARGS *pcum, enum machine_mode mode, tree type, bool named) |