I see two regressions after r214069 on x86_64-apple-darwin13 for both -m32 and
-m64:
(1) FAIL: gcc.dg/graphite/vect-pr43423.c scan-tree-dump-times vect "vectorized
2 loops" 1
before I saw
[Book15] f90/bug% grep vectorized vect-pr43423.c.114t.vect
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:14:17: note: ===
vect_mark_stmts_to_be_vectorized ===
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:14:17: note: loop
vectorized
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:12:17: note: ===
vect_mark_stmts_to_be_vectorized ===
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:12:17: note: loop
vectorized
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:6:6: note:
vectorized 2 loops in function.
after I see
[Book15] f90/bug% grep vectorized vect-pr43423.c.115t.vect
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:14:17: note: not
vectorized: not suitable for gather load _55 = a[_56];
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:12:17: note: not
vectorized: not suitable for gather load _36 = a[_37];
/opt/gcc/p_work/gcc/testsuite/gcc.dg/graphite/vect-pr43423.c:6:6: note:
vectorized 0 loops in function.
(2) FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
FAIL: gfortran.dg/graphite/pr42393.f90 -O (test for excess errors)
The backtrace is
* thread #1: tid = 0x13bd91f, 0x00007fff8621aca0
libsystem_malloc.dylib`tiny_malloc_from_free_list + 12, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2,
address=0x7fff5bc00ff8)
frame #0: 0x00007fff8621aca0
libsystem_malloc.dylib`tiny_malloc_from_free_list + 12
libsystem_malloc.dylib`tiny_malloc_from_free_list + 12:
-> 0x7fff8621aca0: pushq %rbx
0x7fff8621aca1: pushq %rax
0x7fff8621aca2: movl %edx, %r12d
0x7fff8621aca5: movq %rsi, %r14
(lldb) bt
* thread #1: tid = 0x13bd91f, 0x00007fff8621aca0
libsystem_malloc.dylib`tiny_malloc_from_free_list + 12, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2,
address=0x7fff5bc00ff8)
* frame #0: 0x00007fff8621aca0
libsystem_malloc.dylib`tiny_malloc_from_free_list + 12
frame #1: 0x00007fff8621b3c3
libsystem_malloc.dylib`szone_malloc_should_clear + 320
frame #2: 0x00007fff8621d868 libsystem_malloc.dylib`malloc_zone_malloc + 71
frame #3: 0x00007fff8621e27c libsystem_malloc.dylib`malloc + 42
frame #4: 0x0000000141dbdc79 libgmp.10.dylib`__gmp_default_allocate + 9
frame #5: 0x0000000141dd0148 libgmp.10.dylib`__gmpz_init + 24
frame #6: 0x0000000141c180ef
libisl.10.dylib`isl_basic_map_normalize_constraints + 47
frame #7: 0x0000000141c18f04 libisl.10.dylib`isl_basic_map_simplify + 68
frame #8: 0x0000000141c2509b libisl.10.dylib`isl_basic_set_preimage + 619
frame #9: 0x0000000141c4e146 libisl.10.dylib`isl_basic_set_sample_with_cone
+ 150
frame #10: 0x0000000141c4ea88 libisl.10.dylib`basic_set_sample + 744
frame #11: 0x0000000141c4e849 libisl.10.dylib`basic_set_sample + 169
frame #12: 0x0000000141c09978 libisl.10.dylib`isl_basic_map_is_empty + 136
frame #13: 0x0000000141bb2870 libisl.10.dylib`domain_follows_at_depth + 112
frame #14: 0x0000000141c7cdba libisl.10.dylib`isl_tarjan_components + 154
getting to the ICE take ~19s compared to less than a second before r214069.
Dominique
