diff options
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 9b7e118..404cccc 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -5639,7 +5639,6 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags, ; else if (arg->mode != BLKmode) { - int size; unsigned int parm_align; /* Argument is a scalar, not entirely passed in registers. @@ -5652,10 +5651,8 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags, Note that in C the default argument promotions will prevent such mismatches. */ - if (TYPE_EMPTY_P (TREE_TYPE (pval))) - size = 0; - else - size = GET_MODE_SIZE (arg->mode); + poly_int64 size = (TYPE_EMPTY_P (TREE_TYPE (pval)) + ? 0 : GET_MODE_SIZE (arg->mode)); /* Compute how much space the push instruction will push. On many machines, pushing a byte will advance the stack @@ -5669,9 +5666,10 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags, round up to a multiple of the alignment for arguments. */ if (targetm.calls.function_arg_padding (arg->mode, TREE_TYPE (pval)) != PAD_NONE) - used = (((size + PARM_BOUNDARY / BITS_PER_UNIT - 1) - / (PARM_BOUNDARY / BITS_PER_UNIT)) - * (PARM_BOUNDARY / BITS_PER_UNIT)); + /* At the moment we don't (need to) support ABIs for which the + padding isn't known at compile time. In principle it should + be easy to add though. */ + used = force_align_up (size, PARM_BOUNDARY / BITS_PER_UNIT); /* Compute the alignment of the pushed argument. */ parm_align = arg->locate.boundary; |