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/s390x | |
| 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/s390x')
| -rw-r--r-- | tcg/s390x/tcg-target.c.inc | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index c234347d6a..e008f0efcc 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -1955,6 +1955,21 @@ static void tcg_out_exit_tb(TCGContext *s, uintptr_t a0) } } +static void tcg_out_goto_tb(TCGContext *s, int which) +{ + /* + * Branch displacement must be aligned for atomic patching; + * see if we need to add extra nop before branch + */ + if (!QEMU_PTR_IS_ALIGNED(s->code_ptr + 1, 4)) { + tcg_out16(s, NOP); + } + tcg_out16(s, RIL_BRCL | (S390_CC_ALWAYS << 4)); + set_jmp_insn_offset(s, which); + s->code_ptr += 2; + set_jmp_reset_offset(s, which); +} + # define OP_32_64(x) \ case glue(glue(INDEX_op_,x),_i32): \ case glue(glue(INDEX_op_,x),_i64) @@ -1967,21 +1982,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGArg a0, a1, a2; switch (opc) { - case INDEX_op_goto_tb: - a0 = args[0]; - /* - * branch displacement must be aligned for atomic patching; - * see if we need to add extra nop before branch - */ - if (!QEMU_PTR_IS_ALIGNED(s->code_ptr + 1, 4)) { - tcg_out16(s, NOP); - } - tcg_out16(s, RIL_BRCL | (S390_CC_ALWAYS << 4)); - set_jmp_insn_offset(s, a0); - s->code_ptr += 2; - set_jmp_reset_offset(s, a0); - break; - case INDEX_op_goto_ptr: a0 = args[0]; tcg_out_insn(s, RR, BCR, S390_CC_ALWAYS, a0); @@ -2620,6 +2620,7 @@ static inline 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: tcg_abort(); } |