On LoongArch host, we got an Aborted from tcg_out_mov().
qemu-x86_64 configure with '--enable-debug'.
> (gdb) b /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> Breakpoint 1 at 0x2576f0: file
> /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc, line 312.
> (gdb) run hello
[...]
> Thread 1 "qemu-x86_64" hit Breakpoint 1, tcg_out_mov (s=0xaaaae91760
> <tcg_init_ctx>, type=TCG_TYPE_V128, ret=TCG_REG_V2,
> arg=TCG_REG_V0) at
> /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> 312 g_assert_not_reached();
> (gdb) bt
> #0 tcg_out_mov (s=0xaaaae91760 <tcg_init_ctx>, type=TCG_TYPE_V128,
> ret=TCG_REG_V2, arg=TCG_REG_V0)
> at /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> #1 0x000000aaaad0fee0 in tcg_reg_alloc_mov (s=0xaaaae91760 <tcg_init_ctx>,
> op=0xaaaaf67c20) at ../tcg/tcg.c:4632
> #2 0x000000aaaad142f4 in tcg_gen_code (s=0xaaaae91760 <tcg_init_ctx>,
> tb=0xffe8030340 <code_gen_buffer+197328>,
> pc_start=4346094) at ../tcg/tcg.c:6135
[...]
> (gdb) c
> Continuing.
> **
> ERROR:/home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312:tcg_out_mov:
> code should not be reached
> Bail out!
> ERROR:/home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312:tcg_out_mov:
> code should not be reached
>
> Thread 1 "qemu-x86_64" received signal SIGABRT, Aborted.
> 0x000000fff7b1c390 in raise () from /lib64/libc.so.6
> (gdb) q
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
tcg/loongarch64/tcg-target.c.inc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index a588fb3085..5f68040230 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -308,6 +308,9 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg
ret, TCGReg arg)
*/
tcg_out_opc_or(s, ret, arg, TCG_REG_ZERO);
break;
+ case TCG_TYPE_V128:
+ tcg_out_opc_vaddi_du(s, ret, arg, 0);
+ break;
default:
g_assert_not_reached();
}
--
2.25.1
