diff options
Diffstat (limited to 'gcc-4.9/gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc-4.9/gcc/config/aarch64/aarch64.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc-4.9/gcc/config/aarch64/aarch64.c b/gcc-4.9/gcc/config/aarch64/aarch64.c index 7b6c2b38e..bf35031ec 100644 --- a/gcc-4.9/gcc/config/aarch64/aarch64.c +++ b/gcc-4.9/gcc/config/aarch64/aarch64.c @@ -1405,6 +1405,7 @@ aarch64_layout_arg (cumulative_args_t pcum_v, enum machine_mode mode, CUMULATIVE_ARGS *pcum = get_cumulative_args (pcum_v); int ncrn, nvrn, nregs; bool allocate_ncrn, allocate_nvrn; + HOST_WIDE_INT size; /* We need to do this once per argument. */ if (pcum->aapcs_arg_processed) @@ -1412,6 +1413,11 @@ aarch64_layout_arg (cumulative_args_t pcum_v, enum machine_mode mode, pcum->aapcs_arg_processed = true; + /* Size in bytes, rounded to the nearest multiple of 8 bytes. */ + size + = AARCH64_ROUND_UP (type ? int_size_in_bytes (type) : GET_MODE_SIZE (mode), + UNITS_PER_WORD); + allocate_ncrn = (type) ? !(FLOAT_TYPE_P (type)) : !FLOAT_MODE_P (mode); allocate_nvrn = aarch64_vfp_is_call_candidate (pcum_v, mode, @@ -1462,9 +1468,7 @@ aarch64_layout_arg (cumulative_args_t pcum_v, enum machine_mode mode, } ncrn = pcum->aapcs_ncrn; - nregs = ((type ? int_size_in_bytes (type) : GET_MODE_SIZE (mode)) - + UNITS_PER_WORD - 1) / UNITS_PER_WORD; - + nregs = size / UNITS_PER_WORD; /* C6 - C9. though the sign and zero extension semantics are handled elsewhere. This is the case where the argument fits @@ -1513,13 +1517,12 @@ aarch64_layout_arg (cumulative_args_t pcum_v, enum machine_mode mode, pcum->aapcs_nextncrn = NUM_ARG_REGS; /* The argument is passed on stack; record the needed number of words for - this argument (we can re-use NREGS) and align the total size if - necessary. */ + this argument and align the total size if necessary. */ on_stack: - pcum->aapcs_stack_words = nregs; + pcum->aapcs_stack_words = size / UNITS_PER_WORD; if (aarch64_function_arg_alignment (mode, type) == 16 * BITS_PER_UNIT) pcum->aapcs_stack_size = AARCH64_ROUND_UP (pcum->aapcs_stack_size, - 16 / UNITS_PER_WORD) + 1; + 16 / UNITS_PER_WORD); return; } @@ -6304,7 +6307,8 @@ aarch64_vector_mode_supported_p (enum machine_mode mode) || mode == V16QImode || mode == V2DImode || mode == V2SImode || mode == V4HImode || mode == V8QImode || mode == V2SFmode - || mode == V4SFmode || mode == V2DFmode)) + || mode == V4SFmode || mode == V2DFmode + || mode == V1DFmode)) return true; return false; |