https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63145
Bug ID: 63145 Summary: [AArch64] ICE with vcombine_u64 at -O2 -g Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: christophe.lyon at st dot com Hi, The attached testcase causes an ICE: $ aarch64-none-linux-gnu-gcc -O2 -c toto.c -g toto.c: In function 'fn1': toto.c:7:37: warning: passing argument 1 of 'vld1_u64' makes pointer from integer without a cast [-Wint-conversion] vector64_a_uint64x1 = vld1_u64 (1); ^ In file included from toto.c:1:0: gcc-fsf-trunk/tools/lib/gcc/aarch64-none-linux-gnu/5.0.0/include/arm_neon.h:16994:1: note: expected 'const uint64_t *' but argument is of type 'int' vld1_u64 (const uint64_t *a) ^ toto.c:15:1: internal compiler error: in simplify_const_unary_operation, at simplify-rtx.c:1555 } ^ 0xb79e9e simplify_const_unary_operation(rtx_code, machine_mode, rtx_def*, machine_mode) gcc-fsf/trunk/gcc/simplify-rtx.c:1555 0xb77642 simplify_unary_operation(rtx_code, machine_mode, rtx_def*, machine_mode) gcc-fsf/trunk/gcc/simplify-rtx.c:814 0xb8b5d7 simplify_rtx(rtx_def const*) gcc-fsf/trunk/gcc/simplify-rtx.c:5831 0x78ce4f cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1831 0x78cb33 cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1730 0x78c610 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) gcc-fsf/trunk/gcc/cselib.c:1539 0xeb3b21 vt_expand_var_loc_chain gcc-fsf/trunk/gcc/var-tracking.c:8298 0xeb441b vt_expand_loc_callback gcc-fsf/trunk/gcc/var-tracking.c:8460 0x78ca05 cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1692 0x78cb33 cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1730 0x78cb33 cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1730 0x78c610 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) gcc-fsf/trunk/gcc/cselib.c:1539 0xeb3b21 vt_expand_var_loc_chain gcc-fsf/trunk/gcc/var-tracking.c:8298 0xeb441b vt_expand_loc_callback gcc-fsf/trunk/gcc/var-tracking.c:8460 0x78ca05 cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1692 0x78c610 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) gcc-fsf/trunk/gcc/cselib.c:1539 0xeb3b21 vt_expand_var_loc_chain gcc-fsf/trunk/gcc/var-tracking.c:8298 0xeb441b vt_expand_loc_callback gcc-fsf/trunk/gcc/var-tracking.c:8460 0x78ca7a cselib_expand_value_rtx_1 gcc-fsf/trunk/gcc/cselib.c:1705 0x78c610 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) gcc-fsf/trunk/gcc/cselib.c:1539 Please submit a full bug report, GCC is configured as: --target=aarch64-none-linux-gnu