https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101788
Bug ID: 101788
Summary: [12 Regression] ICE in extract_bit_field_1 at
gcc/expmed.c:1857
Product: gcc
Version: 12.0
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
CC: rsandifo at gcc dot gnu.org
Target Milestone: ---
Must be a recent regression:
$ aarch64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/aarch64/sve/ext_2.c -O3
-c
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/aarch64/sve/ext_2.c: In
function ‘foo’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/aarch64/sve/ext_2.c:13:5:
internal compiler error: Segmentation fault
13 | x = __builtin_shuffle (y, y, (vnx4si) { 1, 2, 3, 4, 5, 6, 7, 8 });
| ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0xbfecdf crash_signal
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/toplev.c:328
0x7ffff786239f ???
../sysdeps/unix/sysv/linux/sigaction.c:10
0x8d926c extract_integral_bit_field
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expmed.c:1984
0x8d926c extract_bit_field_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expmed.c:1857
0x8d9460 extract_bit_field(rtx_def*, poly_int<2u, unsigned long>, poly_int<2u,
unsigned long>, int, rtx_def*, machine_mode, machine_mode, bool, rtx_def**)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expmed.c:2129
0x8ee982 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:11374
0x8ef4be expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:8713
0x8ef4be expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:10484
0x8fe005 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:8713
0x8fe005 expand_normal
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.h:307
0x8fe005 store_field
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:7439
0x8fd4f6 store_constructor
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:7289
0x8fec81 expand_constructor
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:8634
0x8eed72 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:10819
0x8ef4be expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:8713
0x8ef4be expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:10484
0x8f926e expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:8713
0x8f926e store_expr(tree_node*, rtx_def*, int, bool, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:6064
0x8fa789 expand_assignment(tree_node*, tree_node*, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/expr.c:5796
0x7ed16a expand_gimple_stmt_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:3945
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Please include the complete backtrace with any bug report.
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