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| author | Martin Liska <mliska@suse.cz> | 2015-03-03 13:09:13 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2015-03-03 12:09:13 +0000 |
| commit | 3c031cbe7c4b1896dd262a373131fc9a7cb58981 (patch) | |
| tree | 4c8cef4eead0a474aa8a3293af3880924b0a2f3c /gcc | |
| parent | 2f159d9f86705209595b1b8de719231c2f5fae33 (diff) | |
| download | gcc-3c031cbe7c4b1896dd262a373131fc9a7cb58981.zip gcc-3c031cbe7c4b1896dd262a373131fc9a7cb58981.tar.gz gcc-3c031cbe7c4b1896dd262a373131fc9a7cb58981.tar.bz2 | |
re PR ipa/65282 (wrong code at -Os and above on x86_64-linux-gnu)
Fix PR ipa/65282.
* gcc.dg/ipa/PR65282.c: New test.
PR ipa/65282
* ipa-icf.c (sem_variable::equals): Fix wrong condition.
From-SVN: r221146
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-icf.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/ipa/PR65282.c | 20 |
4 files changed, 30 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cb42917..f2fd1ff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-03-03 Martin Liska <mliska@suse.cz> + + PR ipa/65282 + * ipa-icf.c (sem_variable::equals): Fix wrong condition. + 2015-03-23 Jeff Law <law@redhat.com> PR tree-optimization/65241 diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c index 4832618..a47ca29 100644 --- a/gcc/ipa-icf.c +++ b/gcc/ipa-icf.c @@ -1638,7 +1638,7 @@ sem_variable::equals (tree t1, tree t2) tree y1 = TREE_OPERAND (t1, 1); tree y2 = TREE_OPERAND (t2, 1); - if (!sem_variable::equals (x1, x2) && sem_variable::equals (y1, y2)) + if (!sem_variable::equals (x1, x2) || !sem_variable::equals (y1, y2)) return false; if (!sem_variable::equals (array_ref_low_bound (t1), array_ref_low_bound (t2))) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 824d256..11ffd25 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-03-03 Martin Liska <mliska@suse.cz> + + * gcc.dg/ipa/PR65282.c: New test. + 2015-03-13 Jeff Law <law@redhat.com> PR tree-optimization/65241 diff --git a/gcc/testsuite/gcc.dg/ipa/PR65282.c b/gcc/testsuite/gcc.dg/ipa/PR65282.c new file mode 100644 index 0000000..58e1c55 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/PR65282.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-Os -fdump-ipa-icf" } */ + +int a[2]; +static int *b = &a[0], *c = &a[1]; + +int +main () +{ + *c = 1; + *b = 0; + + if (a[1] != 1) + __builtin_abort (); + + return 0; +} + +/* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */ +/* { dg-final { cleanup-ipa-dump "icf" } } */ |