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| author | Jakub Jelinek <jakub@redhat.com> | 2009-10-07 20:39:52 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-10-07 20:39:52 +0200 |
| commit | 95a28767abe40e3b590c98275a2fca496410a59f (patch) | |
| tree | 8827ea13df34495bcbc78509492295cba315f504 | |
| parent | 6c19d9b5b20707a26e1f2d36db109ae6c5acda30 (diff) | |
| download | gcc-95a28767abe40e3b590c98275a2fca496410a59f.zip gcc-95a28767abe40e3b590c98275a2fca496410a59f.tar.gz gcc-95a28767abe40e3b590c98275a2fca496410a59f.tar.bz2 | |
dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin...
* dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
refering to a DIE with DW_AT_const_value.
* gcc.dg/debug/dwarf2/inline3.c: New test.
From-SVN: r152535
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c | 22 |
4 files changed, 36 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cf0d248..b1a88a3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-10-07 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add + DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin + refering to a DIE with DW_AT_const_value. + 2009-10-07 Vladimir Makarov <vmakarov@redhat.com> PR middle-end/22072 diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index f9304e5..7e0d466 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -15701,6 +15701,10 @@ tree_add_const_value_attribute_for_decl (dw_die_ref var_die, tree decl) else return false; + /* Don't add DW_AT_const_value if abstract origin already has one. */ + if (get_AT (var_die, DW_AT_const_value)) + return false; + return tree_add_const_value_attribute (var_die, DECL_INITIAL (decl)); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 41a7a5e..ea24c57 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2009-10-07 Jakub Jelinek <jakub@redhat.com> + + * gcc.dg/debug/dwarf2/inline3.c: New test. + 2009-10-07 Daniel Kraft <d@domob.eu> PR fortran/41615 diff --git a/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c b/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c new file mode 100644 index 0000000..feafb33 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/dwarf2/inline3.c @@ -0,0 +1,22 @@ +/* Verify that only one DW_AT_const_value is emitted for baz, + not for baz abstract DIE and again inside of + DW_TAG_inlined_subroutine. */ +/* { dg-options "-O2 -g -dA" } */ +/* { dg-do compile } */ +/* { dg-final { scan-assembler-times " DW_AT_const_value" 1 } } */ + +struct A { const long i; const long j; }; + +static inline long +foo (void) +{ + const struct A baz = { .i = 2, .j = 21 }; + asm volatile ("" : : : "memory"); + return baz.i * baz.j; +} + +int +main () +{ + return foo () - 42; +} |