diff options
Diffstat (limited to 'gcc/config/ns32k/ns32k.c')
| -rw-r--r-- | gcc/config/ns32k/ns32k.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/config/ns32k/ns32k.c b/gcc/config/ns32k/ns32k.c index d70f3089806..bad908d49d5 100644 --- a/gcc/config/ns32k/ns32k.c +++ b/gcc/config/ns32k/ns32k.c @@ -74,6 +74,8 @@ static void ns32k_output_function_epilogue (FILE *, HOST_WIDE_INT); static bool ns32k_rtx_costs (rtx, int, int, int *); static int ns32k_address_cost (rtx); static rtx ns32k_struct_value_rtx (tree, int); +static int ns32k_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, + tree, bool); /* Initialize the GCC target structure. */ #undef TARGET_ATTRIBUTE_TABLE @@ -100,6 +102,9 @@ static rtx ns32k_struct_value_rtx (tree, int); #undef TARGET_STRUCT_VALUE_RTX #define TARGET_STRUCT_VALUE_RTX ns32k_struct_value_rtx +#undef TARGET_ARG_PARTIAL_BYTES +#define TARGET_ARG_PARTIAL_BYTES ns32k_arg_partial_bytes + #undef TARGET_ASM_FILE_START_APP_OFF #define TARGET_ASM_FILE_START_APP_OFF true @@ -1639,3 +1644,27 @@ ns32k_notice_update_cc (rtx exp, rtx insn ATTRIBUTE_UNUSED) && reg_overlap_mentioned_p (cc_status.value1, cc_status.value2)) abort (); } + +/* Implement TARGET_ARG_PARTIAL_BYTES. */ + +static int +ns32k_arg_partial_bytes (CUMULATIVE_ARGS *pcum, enum machine_mode mode, + tree type, bool named ATTRIBUTE_UNUSED) +{ + int cum = *pcum; + + if (TARGET_REGPARM && cum < 8) + { + HOST_WIDE_INT size; + + if (mode == BLKmode) + size = int_size_in_bytes (type); + else + size = GET_MODE_SIZE (mode); + + if (8 < cum + size) + return 8 - cum; + } + + return 0; +} |