https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93300
Bug ID: 93300
Summary: ICE in convert_mode_scalar, at expr.c:325
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: arm-linux-gnueabi
I see the following ICE:
$ arm-linux-gnueabi-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/floatn-convert.c
-mfp16-format=ieee
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/floatn-convert.c: In
function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/floatn-convert.c:94:1:
internal compiler error: in convert_mode_scalar, at expr.c:325
94 | main (void)
| ^~~~
0x59db33 convert_mode_scalar
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/expr.c:325
0x59db33 convert_move(rtx_def*, rtx_def*, int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/expr.c:297
0x7d0fb0 convert_modes(machine_mode, machine_mode, rtx_def*, int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/expr.c:737
0x9cb221 prepare_float_lib_cmp
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/optabs.c:4227
0x9cb221 prepare_cmp_insn
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/optabs.c:4022
0x9cbabe emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, profile_probability)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/optabs.c:4176
0x7438d1 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/dojump.c:1169
0x744b81 do_compare_and_jump
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/dojump.c:1243
0x745ab6 do_jump_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/dojump.c:219
0x6e4a3e expand_gimple_cond
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:2517
0x6e4a3e expand_gimple_basic_block
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:5739
0x6e5c96 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/cfgexpand.c:6539
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.
