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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-04-05 11:17:01 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-04-23 08:17:49 +0100 |
| commit | 678155b2c50aa3bf37abef6bfe914bf58f49bec2 (patch) | |
| tree | 0a1e598a31c2bc1b47c2055c1f6fb2fddf3cf988 /tcg/mips | |
| parent | 732e89f4c401c3cf175aa84c987a029b9729070b (diff) | |
| download | qemu-678155b2c50aa3bf37abef6bfe914bf58f49bec2.zip qemu-678155b2c50aa3bf37abef6bfe914bf58f49bec2.tar.gz qemu-678155b2c50aa3bf37abef6bfe914bf58f49bec2.tar.bz2 | |
tcg: Split out tcg_out_ext8s
We will need a backend interface for performing 8-bit sign-extend.
Use it in tcg_reg_alloc_op in the meantime.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/mips')
| -rw-r--r-- | tcg/mips/tcg-target.c.inc | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 668bc73..8fc9d02 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -552,6 +552,12 @@ static void tcg_out_movi(TCGContext *s, TCGType type, } } +static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg rd, TCGReg rs) +{ + tcg_debug_assert(TCG_TARGET_HAS_ext8s_i32); + tcg_out_opc_reg(s, OPC_SEB, rd, TCG_REG_ZERO, rs); +} + static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs, tcg_target_long imm) { @@ -2245,10 +2251,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_not_i64: i1 = OPC_NOR; goto do_unary; - case INDEX_op_ext8s_i32: - case INDEX_op_ext8s_i64: - i1 = OPC_SEB; - goto do_unary; case INDEX_op_ext16s_i32: case INDEX_op_ext16s_i64: i1 = OPC_SEH; @@ -2419,6 +2421,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, 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. */ + case INDEX_op_ext8s_i32: /* Always emitted via tcg_reg_alloc_op. */ + case INDEX_op_ext8s_i64: default: g_assert_not_reached(); } |