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| author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2013-11-20 17:02:36 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2013-11-20 17:02:36 +0000 |
| commit | a9a130f5b732433cb7b1e185e499d0494ffcc2f9 (patch) | |
| tree | 98f6e5e3dff8b9383bd1b11d72ae219e77c184b8 | |
| parent | c34144fa60ee2e8b51fff62b75329ab2abae4c79 (diff) | |
| download | gcc-a9a130f5b732433cb7b1e185e499d0494ffcc2f9.zip gcc-a9a130f5b732433cb7b1e185e499d0494ffcc2f9.tar.gz gcc-a9a130f5b732433cb7b1e185e499d0494ffcc2f9.tar.bz2 | |
re PR target/59207 (uninitialized local variable in sparc_fold_builtin)
PR target/59207
* config/sparc/sparc.c (sparc_fold_builtin) <case CODE_FOR_pdist_vis>:
Make sure neg2_ovf is set before being used.
From-SVN: r205127
| -rw-r--r-- | gcc/ChangeLog | 14 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.c | 3 |
2 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9e0d643..7a2ea53 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,10 +1,16 @@ +2013-11-20 Eric Botcazou <ebotcazou@adacore.com> + + PR target/59207 + * config/sparc/sparc.c (sparc_fold_builtin) <case CODE_FOR_pdist_vis>: + Make sure neg2_ovf is set before being used. + 2013-11-20 Basile Starynkevitch <basile@starynkevitch.net> - * plugin.def: Add comment about register_callback and - invoke_plugin_callbacks_full. + * plugin.def: Add comment about register_callback and + invoke_plugin_callbacks_full. - * plugin.c (register_callback, invoke_plugin_callbacks_full): - Handle PLUGIN_INCLUDE_FILE event. + * plugin.c (register_callback, invoke_plugin_callbacks_full): + Handle PLUGIN_INCLUDE_FILE event. 2013-11-20 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index cabf8f0..8bdc9bb 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -10658,7 +10658,8 @@ sparc_fold_builtin (tree fndecl, int n_args ATTRIBUTE_UNUSED, tmp = e0.add_with_sign (tmp, false, &add1_ovf); if (tmp.is_negative ()) tmp = tmp.neg_with_overflow (&neg2_ovf); - + else + neg2_ovf = false; result = result.add_with_sign (tmp, false, &add2_ovf); overflow |= neg1_ovf | neg2_ovf | add1_ovf | add2_ovf; } |