https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112875
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vmakarov at gcc dot gnu.org
Status|UNCONFIRMED |NEW
Summary|ICE: in |[14 Regression] ICE: in
|lra_eliminate_regs_1, at |lra_eliminate_regs_1, at
|lra-eliminations.cc:670 |lra-eliminations.cc:670
|with -Oz -frounding-math |with -Oz -frounding-math
|-fno-dce -fno-trapping-math |-fno-dce -fno-trapping-math
|-fno-tree-dce -fno-tree-dse |-fno-tree-dce -fno-tree-dse
|-g |-g
Last reconfirmed| |2023-12-06
Known to work| |13.2.1
Keywords| |ice-on-valid-code,
| |needs-bisection, ra
Target| |x86_64-*-*
Ever confirmed|0 |1
Target Milestone|--- |14.0
Component|debug |rtl-optimization
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
#1 0x000000000147b8fc in lra_eliminate_regs_1 (insn=0x7ffff7201180,
x=0x7ffff7203df0, mem_mode=E_VOIDmode, subst_p=true, update_p=false,
update_sp_offset=..., full_p=false)
at /space/rguenther/src/gcc/gcc/lra-eliminations.cc:670
670 gcc_unreachable ();
(gdb) l
665 return gen_rtx_USE (GET_MODE (x), new_rtx);
666 return x;
667
668 case CLOBBER:
669 case SET:
670 gcc_unreachable ();
671
672 default:
673 break;
674 }
(gdb) p debug_rtx (insn)
(debug_insn 41 40 42 3 (var_location:SI q (fix:SI (plus:SF (float:SF
(sign_extend:SI (mem/c:QI (plus:DI (reg/f:DI 19 frame)
(const_int -12 [0xfffffffffffffff4])) [3 %sfp+-12
S1 A32])))
(clobber:SF (const_int 0 [0]))))) "t.c":9:7 -1
(nil))
