diff options
| author | Chandrakala Chavva <cchavva@redhat.com> | 2000-12-27 20:51:55 -0500 |
|---|---|---|
| committer | Chandra Chavva <cchavva@gcc.gnu.org> | 2000-12-27 20:51:55 -0500 |
| commit | 57ec4709990925b193319480f1dd4d44ec37e903 (patch) | |
| tree | 7bf4b9fa1674c595e43561ebd1c5af02c3875042 /gcc/calls.c | |
| parent | bc53668ead944505e9474544ed35d1abb6e5fceb (diff) | |
| download | gcc-57ec4709990925b193319480f1dd4d44ec37e903.zip gcc-57ec4709990925b193319480f1dd4d44ec37e903.tar.gz gcc-57ec4709990925b193319480f1dd4d44ec37e903.tar.bz2 | |
calls.c (store_one_arg): If parm is passed both in stack and in register and offset is greater than...
* calls.c (store_one_arg): If parm is passed both in stack and in
register and offset is greater than reg_parm_stack_space, split
the offset and call emit_push_insn().
From-SVN: r38503
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 9513c30..51d5566 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -4535,6 +4535,30 @@ store_one_arg (arg, argblock, flags, variable_size, reg_parm_stack_space) } } + /* If parm is passed both in stack and in register and offset is + greater than reg_parm_stack_space, split the offset. */ + if (arg->reg && arg->pass_on_stack) + { + if (arg->offset.constant < reg_parm_stack_space && arg->offset.var) + error ("variable offset is passed paritially in stack and in reg"); + else if (arg->offset.constant < reg_parm_stack_space && arg->size.var) + error ("variable size is passed partially in stack and in reg"); + else if (arg->offset.constant < reg_parm_stack_space + && ((arg->offset.constant + arg->size.constant) + > reg_parm_stack_space)) + { + rtx size_rtx1 = GEN_INT (reg_parm_stack_space - arg->offset.constant); + emit_push_insn (arg->value, arg->mode, TREE_TYPE (pval), size_rtx1, + TYPE_ALIGN (TREE_TYPE (pval)) / BITS_PER_UNIT, + partial, reg, excess, argblock, + ARGS_SIZE_RTX (arg->offset), reg_parm_stack_space, + ARGS_SIZE_RTX (arg->alignment_pad)); + + size_rtx = GEN_INT (INTVAL(size_rtx) - reg_parm_stack_space); + } + } + + emit_push_insn (arg->value, arg->mode, TREE_TYPE (pval), size_rtx, TYPE_ALIGN (TREE_TYPE (pval)), partial, reg, excess, argblock, ARGS_SIZE_RTX (arg->offset), |