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| author | Jakub Jelinek <jakub@redhat.com> | 2009-09-03 18:32:07 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-09-03 18:32:07 +0200 |
| commit | 08ab0acf19e1447657e3f49f665b5b292dcc39db (patch) | |
| tree | f3ec163f897ed92b319bc326b8a0d6d88496b34c /gcc | |
| parent | eead42e0c554eaf55bc48a864adcd537bd6e9e52 (diff) | |
| download | gcc-08ab0acf19e1447657e3f49f665b5b292dcc39db.zip gcc-08ab0acf19e1447657e3f49f665b5b292dcc39db.tar.gz gcc-08ab0acf19e1447657e3f49f665b5b292dcc39db.tar.bz2 | |
re PR debug/41238 (VTA: bootstrap failure, ICE in loc_cmp, at var-tracking.c:2456)
PR debug/41238
* function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
the stack slot if it is passed by invisible reference.
* var-tracking.c (vt_add_function_parameters): Handle arguments passed by
invisible reference.
From-SVN: r151384
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/function.c | 29 | ||||
| -rw-r--r-- | gcc/var-tracking.c | 18 |
3 files changed, 39 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ca35f9c..a4e3758 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2009-09-03 Jakub Jelinek <jakub@redhat.com> + + PR debug/41238 + * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on + the stack slot if it is passed by invisible reference. + * var-tracking.c (vt_add_function_parameters): Handle arguments passed by + invisible reference. + 2009-09-03 Bernd Schmidt <bernd.schmidt@analog.com> * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1. diff --git a/gcc/function.c b/gcc/function.c index 3257254..85e2f05 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2433,20 +2433,25 @@ assign_parm_find_stack_rtl (tree parm, struct assign_parm_data_one *data) stack_parm = gen_rtx_PLUS (Pmode, stack_parm, offset_rtx); stack_parm = gen_rtx_MEM (data->promoted_mode, stack_parm); - set_mem_attributes (stack_parm, parm, 1); - /* set_mem_attributes could set MEM_SIZE to the passed mode's size, - while promoted mode's size is needed. */ - if (data->promoted_mode != BLKmode - && data->promoted_mode != DECL_MODE (parm)) + if (!data->passed_pointer) { - set_mem_size (stack_parm, GEN_INT (GET_MODE_SIZE (data->promoted_mode))); - if (MEM_EXPR (stack_parm) && MEM_OFFSET (stack_parm)) + set_mem_attributes (stack_parm, parm, 1); + /* set_mem_attributes could set MEM_SIZE to the passed mode's size, + while promoted mode's size is needed. */ + if (data->promoted_mode != BLKmode + && data->promoted_mode != DECL_MODE (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)); + 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)); + } } } diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index a24755f..4d30324 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -7058,10 +7058,20 @@ vt_add_function_parameters (void) if (!vt_get_decl_and_offset (incoming, &decl, &offset)) { - if (!vt_get_decl_and_offset (decl_rtl, &decl, &offset)) - continue; - offset += byte_lowpart_offset (GET_MODE (incoming), - GET_MODE (decl_rtl)); + if (REG_P (incoming) || MEM_P (incoming)) + { + /* This means argument is passed by invisible reference. */ + offset = 0; + decl = parm; + incoming = gen_rtx_MEM (GET_MODE (decl_rtl), incoming); + } + else + { + if (!vt_get_decl_and_offset (decl_rtl, &decl, &offset)) + continue; + offset += byte_lowpart_offset (GET_MODE (incoming), + GET_MODE (decl_rtl)); + } } if (!decl) |