diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 188ff32..91850cb 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -147,6 +147,8 @@ static rtx arm_expand_binop_builtin (enum insn_code, tree, rtx); static rtx arm_expand_unop_builtin (enum insn_code, tree, rtx, int); static rtx arm_expand_builtin (tree, rtx, rtx, enum machine_mode, int); static void emit_constant_insn (rtx cond, rtx pattern); +static int arm_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, + tree, bool); #ifndef ARM_PE static void arm_encode_section_info (tree, rtx, int); @@ -272,6 +274,8 @@ static unsigned HOST_WIDE_INT arm_shift_truncation_mask (enum machine_mode); #define TARGET_PROMOTE_PROTOTYPES arm_promote_prototypes #undef TARGET_PASS_BY_REFERENCE #define TARGET_PASS_BY_REFERENCE arm_pass_by_reference +#undef TARGET_ARG_PARTIAL_BYTES +#define TARGET_ARG_PARTIAL_BYTES arm_arg_partial_bytes #undef TARGET_STRUCT_VALUE_RTX #define TARGET_STRUCT_VALUE_RTX arm_struct_value_rtx @@ -2527,6 +2531,23 @@ arm_function_arg (CUMULATIVE_ARGS *pcum, enum machine_mode mode, return gen_rtx_REG (mode, pcum->nregs); } +static int +arm_arg_partial_bytes (CUMULATIVE_ARGS *pcum, enum machine_mode mode, + tree type, bool named ATTRIBUTE_UNUSED) +{ + int nregs = pcum->nregs; + + if (arm_vector_mode_supported_p (mode)) + return 0; + + if (NUM_ARG_REGS > nregs + && (NUM_ARG_REGS < nregs + ARM_NUM_REGS2 (mode, type)) + && pcum->can_split) + return (NUM_ARG_REGS - nregs) * UNITS_PER_WORD; + + return 0; +} + /* Variable sized types are passed by reference. This is a GCC extension to the ARM ABI. */ |