From 85d57a37be1461d599747ab86dc0acc46732dbce Mon Sep 17 00:00:00 2001 From: Song Gao Date: Mon, 20 Nov 2023 14:59:16 +0800 Subject: [PATCH] tcg/loongarch64: Fix tcg_out_mov() Aborted MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 , 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 , 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 , op=0xaaaaf67c20) at ../tcg/tcg.c:4632 > #2 0x000000aaaad142f4 in tcg_gen_code (s=0xaaaae91760 , tb=0xffe8030340 , > 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 Fixes: 16288ded94 ("tcg/loongarch64: Lower basic tcg vec ops to LSX") Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Signed-off-by: Song Gao Message-Id: <20231120065916.374045-1-gaosong@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 a588fb30859e..bab0a173a373 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_vori_b(s, ret, arg, 0); + break; default: g_assert_not_reached(); }