https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70887
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
Component|c++ |middle-end
Summary|internal compiler error in |[5 Regression] internal
|trunc_int_for_mode, at |compiler error in
|explow.c:78 |trunc_int_for_mode, at
| |explow.c:78
--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
trippels@gcc75 ~ % cat main.ii
typedef long long __m128i __attribute__((__vector_size__(16)));
enum RangeID { RANGE_2 };
template <RangeID> struct C { static constexpr int value = 10; };
__m128i _mm_set1_epi32(int __A) {
int __q0 = __A;
return __m128i{__q0};
}
__inline __m128i _mm_bsrli_si128(__m128i __A, int __N) {
return __builtin_ia32_psrldqi128(__A, __N * 8);
}
__m128i _mm_bslli_si128(__m128i __A) {
return __builtin_ia32_pslldqi128(__A, 8);
}
__m128i _mm_or_si128(__m128i __A, __m128i __B) { return __A | __B; }
template <typename RangeID, template <RangeID> class Range, RangeID...
rangeIds>
struct A {
template <int, RangeID...> struct B;
template <int nPrevValues, RangeID rangeId, RangeID... restRangeIds>
struct B<nPrevValues, rangeId, restRangeIds...> {
static constexpr int nValues = Range<rangeId>::value;
static __m128i generate() {
__attribute__((__vector_size__(
2 * sizeof(long)))) long long __trans_tmp_1 = generate(),
prevRanges =
_mm_bslli_si128(__trans_tmp_1),
newRange = _mm_bsrli_si128(
_mm_set1_epi32(nValues), 12);
return _mm_or_si128(prevRanges, newRange);
}
};
A() { B<0, rangeIds...>::generate(); }
};
main() {
using RI = A<RangeID, C, RANGE_2>;
RI ri;
}
trippels@gcc75 ~ % g++ -std=c++11 -O2 main.ii
main.ii: In static member function ‘static __m128i A<RangeID, Range,
rangeIds>::B<nPrevValues, rangeId, restRangeIds ...>::generate() [with int
nPrevValues = 0; RangeID rangeId = (RangeID)0u; RangeID ...restRangeIds = {};
RangeID = RangeID; Range = C; RangeID ...rangeIds = {(RangeID)0u}; __m128i =
__vector(2) long long int]’:
main.ii:29:5: internal compiler error: in trunc_int_for_mode, at explow.c:78
