http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55404
Bug #: 55404
Summary: [4.8 Regression] Lots of failures at -O3
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: pins...@gcc.gnu.org
gcc.c-torture/compile/20000629-1.c ICEs at -O3:
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20000629-1.c:
In function ‘foo’:
/home/apinski/src/gcc-cavium/toolchain-thunder/src/gcc/testsuite/gcc.c-torture/compile/20000629-1.c:7:1:
internal compiler error: Illegal instruction
foo (struct a * b)
^
0x7fa1f5 crash_signal
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/toplev.c:334
0xb5ef55 analyze_overlapping_iterations
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:2958
0xb5fd11 subscript_dependence_tester_1
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:3510
0xb5feea subscript_dependence_tester
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:3561
0xb61406 compute_affine_dependence(data_dependence_relation*, loop*)
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:4190
0xb61e0b compute_all_dependences(vec<data_reference*, va_heap, vl_ptr>,
vec<data_dependence_relation*, va_heap, vl_ptr>*, vec<loop*, va_heap, vl_ptr>,
bool)
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:4268
0xb62458 compute_data_dependences_for_loop(loop*, bool, vec<loop*, va_heap,
vl_ptr>*, vec<data_reference*, va_heap, vl_ptr>*,
vec<data_dependence_relation*, va_heap, vl_ptr>*)
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-data-ref.c:4545
0xb85b0c vect_analyze_data_refs(_loop_vec_info*, _bb_vec_info*, int*)
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-vect-data-refs.c:2975
0x9997d0 vect_analyze_loop_2
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-vect-loop.c:1598
0x9997d0 vect_analyze_loop(loop*)
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-vect-loop.c:1774
0x9b0c3b vectorize_loops()
/data1/src/gcc-cavium/toolchain-thunder/scripts/../src/gcc/tree-vectorizer.c:114
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