diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-11-26 17:14:05 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-01-17 09:56:45 -1000 |
| commit | cf7d6b8e9828784d118eebb6419678d196cd51b5 (patch) | |
| tree | 08a9edd8cfd9555e7f4ef518a43ac7f86a15da33 /tcg/riscv | |
| parent | becc452a367aa681ca0c1fcb688ae0f16b32b11f (diff) | |
tcg: Split out tcg_out_goto_tb
The INDEX_op_goto_tb opcode needs no register allocation.
Split out a dedicated helper function for it.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/riscv')
| -rw-r--r-- | tcg/riscv/tcg-target.c.inc | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index 5b2eac6ab8..ee6759f787 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -1300,6 +1300,16 @@ static void tcg_out_exit_tb(TCGContext *s, uintptr_t a0) } } +static void tcg_out_goto_tb(TCGContext *s, int which) +{ + qemu_build_assert(!TCG_TARGET_HAS_direct_jump); + /* indirect jump method */ + tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_REG_ZERO, + get_jmp_target_addr(s, which)); + tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, TCG_REG_TMP0, 0); + set_jmp_reset_offset(s, which); +} + static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg args[TCG_MAX_OP_ARGS], const int const_args[TCG_MAX_OP_ARGS]) @@ -1310,15 +1320,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, int c2 = const_args[2]; switch (opc) { - case INDEX_op_goto_tb: - qemu_build_assert(!TCG_TARGET_HAS_direct_jump); - /* indirect jump method */ - tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_REG_ZERO, - get_jmp_target_addr(s, a0)); - tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, TCG_REG_TMP0, 0); - set_jmp_reset_offset(s, a0); - break; - case INDEX_op_goto_ptr: tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, a0, 0); break; @@ -1619,6 +1620,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_mov_i64: case INDEX_op_call: /* Always emitted via tcg_out_call. */ case INDEX_op_exit_tb: /* Always emitted via tcg_out_exit_tb. */ + case INDEX_op_goto_tb: /* Always emitted via tcg_out_goto_tb. */ default: g_assert_not_reached(); } |