https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113029
Bug ID: 113029 Summary: sel-sched2 ICE in verify_target_availability Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: linkw at gcc dot gnu.org Target Milestone: --- Test case: #include <altivec.h> #define c(d, g) g, d #define e(d, g) g, d vector double f, n; int m; int k; void j (vector double, double, double); vector double combine (double, double); vector double i (double, double); vector double l (vector double, double); vector double o (vector double, double) { vector double a; vector double b; p (""); j (f, c (1, 2)); j (n, c (3, 4)); b = i (3, 4); j (a, e (1, 2)); j (b, e (3, 4)); j (l (a, 5.0), e (5, 2)); j (o (b, 6.0), e (3, 6)); k = vec_extract (b, 1); j (combine (0, k), c (2, 4)); m = vec_extract (b, 0); j (i (0, m), e (1, 3)); i (0, vec_extract (b, 1)); } Option: -std=c89 -O2 -mcpu=power10 -fselective-scheduling2 during RTL pass: sched2 test.c: In function ‘o’: test.c:29:1: internal compiler error: in verify_target_availability, at sel-sched.cc:1553 29 | } | ^ 0x10c54c43 verify_target_availability /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:1553 0x10c54c43 find_best_reg_for_expr /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:1667 0x10c54c43 fill_vec_av_set /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:3784 0x10c5555b fill_ready_list /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:4014 0x10c5555b find_best_expr /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:4374 0x10c5555b fill_insns /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:5535 0x10c5555b schedule_on_fences /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7353 0x10c5555b sel_sched_region_2 /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7491 0x10c57b8b sel_sched_region_1 /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7533 0x10c59723 sel_sched_region(int) /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7634 0x10c59723 sel_sched_region(int) /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7619 0x10c59beb run_selective_scheduling() /home/gccbuild/gcc_trunk_git/gcc/gcc/sel-sched.cc:7720 0x10c2e6ef rest_of_handle_sched2 /home/gccbuild/gcc_trunk_git/gcc/gcc/sched-rgn.cc:3748 0x10c2e6ef execute /home/gccbuild/gcc_trunk_git/gcc/gcc/sched-rgn.cc:3895