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| author | Jakub Jelinek <jakub@redhat.com> | 2008-12-05 17:53:39 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-12-05 17:53:39 +0100 |
| commit | 997f78fb1d6c1b54fa4d914267333d9882e28d1b (patch) | |
| tree | adf285d885bf031be16abb2cccbc626d5aca7ddf /gcc | |
| parent | 1f21b6f4adea6c5d82dc5fe2820b3848e81504a5 (diff) | |
| download | gcc-997f78fb1d6c1b54fa4d914267333d9882e28d1b.zip gcc-997f78fb1d6c1b54fa4d914267333d9882e28d1b.tar.gz gcc-997f78fb1d6c1b54fa4d914267333d9882e28d1b.tar.bz2 | |
re PR debug/38367 (Wrong debug information for big endian function parameters)
PR debug/38367
* function.c (assign_parm_find_stack_rtl): If promoted_mode
is wider than DECL_MODE, adjust MEM_OFFSET (stack_parm) for
big endian.
From-SVN: r142481
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/function.c | 12 |
2 files changed, 16 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3882383..0f47e6a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2008-12-05 Jakub Jelinek <jakub@redhat.com> + PR debug/38367 + * function.c (assign_parm_find_stack_rtl): If promoted_mode + is wider than DECL_MODE, adjust MEM_OFFSET (stack_parm) for + big endian. + PR middle-end/38338 * builtins.c (expand_builtin_apply_args): Put before parm_birth_insn only if internal_arg_pointer is a non-virtual pseudo. diff --git a/gcc/function.c b/gcc/function.c index 8320790..0320871 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2336,7 +2336,17 @@ assign_parm_find_stack_rtl (tree parm, struct assign_parm_data_one *data) while promoted mode's size is needed. */ if (data->promoted_mode != BLKmode && data->promoted_mode != DECL_MODE (parm)) - set_mem_size (stack_parm, GEN_INT (GET_MODE_SIZE (data->promoted_mode))); + { + set_mem_size (stack_parm, GEN_INT (GET_MODE_SIZE (data->promoted_mode))); + if (MEM_EXPR (stack_parm) && MEM_OFFSET (stack_parm)) + { + int offset = subreg_lowpart_offset (DECL_MODE (parm), + data->promoted_mode); + if (offset) + set_mem_offset (stack_parm, + plus_constant (MEM_OFFSET (stack_parm), -offset)); + } + } boundary = data->locate.boundary; align = BITS_PER_UNIT; |