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| author | Jakub Jelinek <jakub@redhat.com> | 2010-03-31 10:39:22 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-03-31 10:39:22 +0200 |
| commit | 132b4e82958efd279b88e7e1ef5bce1c28b5a326 (patch) | |
| tree | e6ddc4d3299010bc0414ed8fd249d8272b485b68 | |
| parent | 9db4e878920729209f8d747f8aa089e647dc97ab (diff) | |
| download | gcc-132b4e82958efd279b88e7e1ef5bce1c28b5a326.zip gcc-132b4e82958efd279b88e7e1ef5bce1c28b5a326.tar.gz gcc-132b4e82958efd279b88e7e1ef5bce1c28b5a326.tar.bz2 | |
re PR debug/43557 (ICE with -combine and -g)
PR debug/43557
* cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
BLKmode.
* gcc.dg/pr43557-1.c: New test.
* gcc.dg/pr43557-2.c: New file.
From-SVN: r157852
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cfgexpand.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr43557-1.c | 16 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr43557-2.c | 10 |
5 files changed, 40 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bd21821..44cc91a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-03-31 Jakub Jelinek <jakub@redhat.com> + + PR debug/43557 + * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like + BLKmode. + 2010-03-31 Jie Zhang <jie@codesourcery.com> PR 43562 diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index a797af9..eeb5c73 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -2358,7 +2358,8 @@ expand_debug_expr (tree exp) /* If op0 is not BLKmode, but BLKmode is, adjust_mode below would ICE. While it is likely a FE bug, try to be robust here. See PR43166. */ - || mode == BLKmode) + || mode == BLKmode + || (mode == VOIDmode && GET_MODE (op0) != VOIDmode)) { gcc_assert (MEM_P (op0)); op0 = adjust_address_nv (op0, mode, 0); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 70ab74b..1dcabdf 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2010-03-31 Jakub Jelinek <jakub@redhat.com> + + PR debug/43557 + * gcc.dg/pr43557-1.c: New test. + * gcc.dg/pr43557-2.c: New file. + 2010-03-31 Jie Zhang <jie@codesourcery.com> PR 43562 diff --git a/gcc/testsuite/gcc.dg/pr43557-1.c b/gcc/testsuite/gcc.dg/pr43557-1.c new file mode 100644 index 0000000..8c7d0b4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr43557-1.c @@ -0,0 +1,16 @@ +/* PR debug/43557 */ +/* { dg-do compile } */ +/* { dg-options "--combine -g -O2" } */ +/* { dg-additional-sources "pr43557-2.c" } */ + +struct S +{ + int v; +} g; + +void +f1 (void) +{ + struct S *s = &g; + s->v = 0; +} diff --git a/gcc/testsuite/gcc.dg/pr43557-2.c b/gcc/testsuite/gcc.dg/pr43557-2.c new file mode 100644 index 0000000..890e68e --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr43557-2.c @@ -0,0 +1,10 @@ +/* PR debug/43557 */ +/* { dg-do compile } */ + +extern struct S g; + +void +f2 (void) +{ + &g; +} |