https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97546
Bug ID: 97546
Summary: [SVE] ICE with -fenable-tree-bswap
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: adhemerval.zanella at linaro dot org
Target Milestone: ---
The reduced testcase:
--
#include <arm_sve.h>
static svbool_t visinf_vo_vf(svfloat32_t d)
{
return svcmpeq_n_f32 (svptrue_b8 (),
svabs_f32_x (svptrue_b8 (), d),
__builtin_inff ());
}
const svint32_t _ZGVsNxv_ilogbf(svfloat32_t d)
{
svint32_t e = svreinterpret_s32_f32 (svdup_n_f32 (0.0f));
e = svsel_s32 (svcmpne_f32 (svptrue_b8(), d, d),
svdup_n_s32 (2147483647),
e);
e = svsel_s32 (visinf_vo_vf (d),
svdup_n_s32 (0x7fffffff),
e);
return e;
}
--
ICE with gcc with:
$ aarch64-unknown-linux-gnu-gcc -march=armv8.2-a+sve reproducer.c -c -O1
-fenable-tree-bswap
cc1: note: enable pass tree-bswap for functions in the range of [0, 4294967295]
during GIMPLE pass: bswap
reproducer.c: In function ‘_ZGVsNxv_ilogbf’:
reproducer.c:81:17: internal compiler error: tree check: expected integer_cst,
have poly_int_cst in find_bswap_or_nop, at gimple-ssa-store-merging.c:859
81 | const svint32_t _ZGVsNxv_ilogbf(svfloat32_t d)
| ^~~~~~~~~~~~~~~
0x692107 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc-git-master/gcc/tree.c:9731
0x1849ed3 tree_int_cst_elt_check(tree_node*, int, char const*, int, char
const*)
../../gcc-git-master/gcc/tree.h:3503
0x1849ed3 find_bswap_or_nop
../../gcc-git-master/gcc/gimple-ssa-store-merging.c:859
0x1849ed3 execute
../../gcc-git-master/gcc/gimple-ssa-store-merging.c:1261
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
