On Mon, 2021-07-05 at 19:18 +0800, Hongtao Liu via Gcc-help wrote: > during RTL pass: expand > /export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/floatn-basic.h: > In function ‘vafn’: > /export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/floatn-basic.h:36:7: > internal compiler error: Segmentation fault > 36 | ret = arg1 + va_arg (ap, TYPE); > | ^ > 0x12bb92d crash_signal > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/toplev.c:327 > 0xdc9a79 aggregate_value_p(tree_node const*, tree_node const*) > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/function.c:2056 > 0xb42799 emit_library_call_value_1(int, rtx_def*, rtx_def*, > libcall_type, machine_mode, int, std::pair<rtx_def*, machine_mode>*) > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/calls.c:5207 > 0xcea0f3 emit_library_call_value(rtx_def*, rtx_def*, libcall_type, > machine_mode, rtx_def*, machine_mode) > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/rtl.h:4377 > 0xd0aaf8 convert_mode_scalar > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:356 > 0xd0a695 convert_move(rtx_def*, rtx_def*, int) > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:298 > 0xd3281b expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > expand_modifier) > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:9006 > 0xb65765 expand_gimple_stmt_1 > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:3980 > 0xb659fb expand_gimple_stmt > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:4041 > 0xb6efe5 expand_gimple_basic_block > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:6083 > 0xb71a35 execute > /export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:6809 > 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. > lto-wrapper: fatal error: > /export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc > returned 1 exit status > compilation terminated. > [Leaving LTRANS ./a.ltrans0.o] > /export/users2/liuhongt/install/binutils_trunk/bin/ld: error: lto-wrapper failed > [Leaving a.lto_wrapper_args] > collect2: error: ld returned 1 exit status There is some discussion in the threaded beginning with https://gcc.gnu.org/legacy-ml/gcc/2009-11/msg00045.html But not sure if it's still valid after so many years... -- Xi Ruoyao <xry111@xxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
