https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112116
Oleg Endo <olegendo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2024-09-25
--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> ---
This is probably the same issue as PR 112115. I haven't checked the details,
but the eventual ICE looks the same.
Compiling the reproducer (lcd.i) with
sh-elf-gcc -c -std=c2x -O2 -ml -m4-single -ffast-math -mfsrra -mfsca
-matomic-model=soft-imask -ftls-model=local-exec -mlra -fomit-frame-pointer
-fno-builtin
on current gcc15 master branch fails with
internal compiler error: maximum number of generated reload insns per insn
achieved (90)
0x1c7ed6e internal_error(char const*, ...)
../../gcc/gcc/diagnostic-global-context.cc:517
0xd910e7 lra_constraints(bool)
../../gcc/gcc/lra-constraints.cc:5404
0xd7abc2 lra(_IO_FILE*, int)
../../gcc/gcc/lra.cc:2445
0xd30de7 do_reload
../../gcc/gcc/ira.cc:5976
0xd30de7 execute
../../gcc/gcc/ira.cc:6164
The issue goes away when using devel/sh-lra branch.
