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author | Jakub Jelinek <jakub@redhat.com> | 2010-07-28 19:01:05 +0200 |
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committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-07-28 19:01:05 +0200 |
commit | 05b5ea3495029f4da3687c03a27d70dad682f585 (patch) | |
tree | 6e2e2c933c124f3e6df48df8ceee73af9f76ee8b /gcc | |
parent | 652c4638a0194d601e968599e27319e1edcd93e2 (diff) | |
download | gcc-05b5ea3495029f4da3687c03a27d70dad682f585.zip gcc-05b5ea3495029f4da3687c03a27d70dad682f585.tar.gz gcc-05b5ea3495029f4da3687c03a27d70dad682f585.tar.bz2 |
re PR debug/45105 (-fcompare-debug failure at -Os)
PR debug/45105
* gcse.c (hoist_code): Use FOR_BB_INSNS macro.
* gcc.dg/pr45105.c: New test.
From-SVN: r162647
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 3 | ||||
-rw-r--r-- | gcc/gcse.c | 8 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/pr45105.c | 27 |
4 files changed, 36 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 03c0db1..a4491cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2010-07-28 Jakub Jelinek <jakub@redhat.com> + PR debug/45105 + * gcse.c (hoist_code): Use FOR_BB_INSNS macro. + PR debug/45103 * dwarf2out.c (dwarf2out_var_location): Always consider NOTE_DURING_CALL_P notes, even when not followed by real instructions. @@ -4390,21 +4390,15 @@ hoist_code (void) FOR_EACH_BB (bb) { rtx insn; - rtx bb_end; int to_head; - insn = BB_HEAD (bb); - bb_end = BB_END (bb); to_head = 0; - - while (insn != bb_end) + FOR_BB_INSNS (bb, insn) { /* Don't count debug instructions to avoid them affecting decision choices. */ if (NONDEBUG_INSN_P (insn)) to_bb_head[INSN_UID (insn)] = to_head++; - - insn = NEXT_INSN (insn); } bb_size[bb->index] = to_head; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3dbe028..cd97c64 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-07-28 Jakub Jelinek <jakub@redhat.com> + + PR debug/45105 + * gcc.dg/pr45105.c: New test. + 2010-07-28 Maxim Kuvyrkov <maxim@codesourcery.com> PR rtl-optimization/45107 diff --git a/gcc/testsuite/gcc.dg/pr45105.c b/gcc/testsuite/gcc.dg/pr45105.c new file mode 100644 index 0000000..a93a21f --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr45105.c @@ -0,0 +1,27 @@ +/* PR debug/45105 */ +/* { dg-do compile } */ +/* { dg-options "-Os -fcompare-debug" } */ + +extern int *baz (int *, int *); + +void +bar (int *p1, int *p2) +{ + int n = *baz (0, 0); + p1[n] = p2[n]; +} + +void +foo (int *p, int l) +{ + int a1[32]; + int a2[32]; + baz (a1, a2); + while (l) + { + if (l & 1) + p = baz (a2, p); + l--; + bar (a1, a2); + } +} |