https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106966
Uroš Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Last reconfirmed| |2022-09-23 --- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- Testcase: void do_console (unsigned short *vga) { vga[0] = 'H'; vga[1] = 'e'; vga[2] = 'l'; vga[3] = 'l'; vga[4] = 'o'; } cc1 -O2 -mbuild-constants: during RTL pass: expand pr106966.c: In function ‘do_console’: pr106966.c:4:10: internal compiler error: in emit_move_insn, at expr.cc:4052 4 | vga[0] = 'H'; | ~~~~~~~^~~~~ 0x5ed664 emit_move_insn(rtx_def*, rtx_def*) ../../git/gcc/gcc/expr.cc:4052 0x113a708 alpha_emit_set_long_const ../../git/gcc/gcc/config/alpha/alpha.cc:2090 0x113abfc alpha_split_const_mov(machine_mode, rtx_def**) ../../git/gcc/gcc/config/alpha/alpha.cc:2204 0x113ade7 alpha_expand_mov(machine_mode, rtx_def**) ../../git/gcc/gcc/config/alpha/alpha.cc:2250 0x15510a8 gen_movv4hi(rtx_def*, rtx_def*) ../../git/gcc/gcc/config/alpha/alpha.md:4463 ... (gdb) bt #0 internal_error (gmsgid=gmsgid@entry=0x1a9cf85 "in %s, at %s:%d") at ../../git/gcc/gcc/diagnostic.cc:2107 #1 0x00000000007918d6 in fancy_abort (file=file@entry=0x1910cf9 "../../git/gcc/gcc/expr.cc", line=line@entry=4052, function=function@entry=0x1a23a78 "emit_move_insn") at ../../git/gcc/gcc/diagnostic.cc:2211 #2 0x00000000005ed665 in emit_move_insn (x=<optimized out>, y=<optimized out>) at ../../git/gcc/gcc/expr.cc:4052 #3 0x000000000113a709 in alpha_emit_set_long_const (target=0x7fffea2ef9f0, c1=7077888) at ../../git/gcc/gcc/config/alpha/alpha.cc:2090 #4 0x000000000113abfd in alpha_split_const_mov (mode=E_V4HImode, operands=0x7fffffffd5a0) at ../../git/gcc/gcc/config/alpha/alpha.cc:2204 #5 0x000000000113ade8 in alpha_expand_mov (mode=E_V4HImode, operands=0x7fffffffd5a0) at ../../git/gcc/gcc/config/alpha/alpha.cc:2250 #6 0x00000000015510a9 in gen_movv4hi (operand0=0x7fffea2ef9f0, operand1=0x7fffea29ebc0) at ../../git/gcc/gcc/config/alpha/alpha.md:4463 (gdb) f 3 #3 0x000000000113a709 in alpha_emit_set_long_const (target=0x7fffea2ef9f0, c1=7077888) at ../../git/gcc/gcc/config/alpha/alpha.cc:2090 2090 emit_move_insn (target, gen_rtx_PLUS (DImode, target, GEN_INT (d3))); (gdb) p debug_rtx (target) (reg:V4HI 71) $1 = void