[Bug target/63950] New: [AArch64] ICE at -O0 on vld1_lane intrinsics
alalaw01 at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Nov 19 10:30:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63950
Bug ID: 63950
Summary: [AArch64] ICE at -O0 on vld1_lane intrinsics
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: alalaw01 at gcc dot gnu.org
Testcase
#include <arm_neon.h>
int8x8_t
f_vld1_lane (int8_t * p, int8x8_t v)
{
int8x8_t res;
res = vld1_lane_s8 (p, v, 1);
return res;
}
$ aarch64-none-elf-gcc -S test.c
In file included from neon_const_range_tests/vld1.c:2:0:
/work/alalaw01/sbuild/install/lib/gcc/aarch64-none-elf/5.0.0/include/arm_neon.h:
In function 'f_vld1_lane':
/work/alalaw01/sbuild/install/lib/gcc/aarch64-none-elf/5.0.0/include/arm_neon.h:658:10:
internal compiler error: in aarch64_simd_lane_bounds, at
config/aarch64/aarch64.c:8394
return __aarch64_vset_lane_any (__vec, __index, __elem, 8);
^
0xf9419d aarch64_simd_lane_bounds(rtx_def*, long, long)
/work/alalaw01/svn/gcc/gcc/config/aarch64/aarch64.c:8394
0xfffcf4 gen_aarch64_im_lane_boundsi(rtx_def*, rtx_def*)
/work/alalaw01/svn/gcc/gcc/config/aarch64/aarch64-simd.md:4524
0x7cc10e insn_gen_fn::operator()(rtx_def*, rtx_def*) const
/work/alalaw01/svn/gcc/gcc/recog.h:303
0xf9a366 aarch64_simd_expand_args
/work/alalaw01/svn/gcc/gcc/config/aarch64/aarch64-builtins.c:970
0xf9a703 aarch64_simd_expand_builtin(int, tree_node*, rtx_def*)
/work/alalaw01/svn/gcc/gcc/config/aarch64/aarch64-builtins.c:1051
0xf9ac21 aarch64_expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode,
int)
/work/alalaw01/svn/gcc/gcc/config/aarch64/aarch64-builtins.c:1133
.....
Seems to be caused by lack of constant propagation at -O0, compiles fine at -O1
and higher.
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