https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113228
Bug ID: 113228
Summary: [14 Regression] ICE: recalculate_side_effects, at
gimplify.cc:3347
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: patrick at rivosinc dot com
Target Milestone: ---
Created attachment 56987
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56987&action=edit
-freport-bug output
> /scratch/tc-testing/tc-jan-3-trunk/build-rv64gcv/bin/riscv64-unknown-linux-gnu-gcc
> -O3 red.c -o rv64gcv.out
during GIMPLE pass: reassoc
red.c: In function 'f':
red.c:15:21: internal compiler error: in recalculate_side_effects, at
gimplify.cc:3347
15 | k[0] = k[0] == 0;
| ~~~~~^~~~
0x9ec97b recalculate_side_effects
../../../gcc/gcc/gimplify.cc:3347
0xf7c9ee gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../../gcc/gcc/gimplify.cc:18589
0xfa2791 force_gimple_operand_1(tree_node*, gimple**, bool (*)(tree_node*),
tree_node*)
../../../gcc/gcc/gimplify-me.cc:78
0xfa28f1 force_gimple_operand_gsi_1(gimple_stmt_iterator*, tree_node*, bool
(*)(tree_node*), tree_node*, bool, gsi_iterator_update)
../../../gcc/gcc/gimplify-me.cc:115
0xfa28f1 force_gimple_operand_gsi(gimple_stmt_iterator*, tree_node*, bool,
tree_node*, bool, gsi_iterator_update)
../../../gcc/gcc/gimplify-me.cc:141
0x14afa61 force_into_ssa_name
../../../gcc/gcc/tree-ssa-reassoc.cc:2765
0x14b4b28 update_range_test
../../../gcc/gcc/tree-ssa-reassoc.cc:2972
0x14c0b77 optimize_range_tests
../../../gcc/gcc/tree-ssa-reassoc.cc:4139
0x14c36b6 reassociate_bb
../../../gcc/gcc/tree-ssa-reassoc.cc:7100
0x14c38a8 reassociate_bb
../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c38a8 reassociate_bb
../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c38a8 reassociate_bb
../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c5ef3 do_reassoc
../../../gcc/gcc/tree-ssa-reassoc.cc:7377
0x14c5ef3 execute_reassoc
../../../gcc/gcc/tree-ssa-reassoc.cc:7466
0x14c5ef3 execute
../../../gcc/gcc/tree-ssa-reassoc.cc:7507
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Found on riscv but also shows up on x86/arm
Godbolt: https://godbolt.org/z/j4786cav7
