diff options
| 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/var-tracking.c | |
| 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/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 18 |
1 files changed, 14 insertions, 4 deletions
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) |