diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-11-09 15:22:15 +1100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-02-04 06:19:43 -1000 |
| commit | 6218c177afb341e5a64428fcc17decbc9d6247a6 (patch) | |
| tree | d9814cfa86c52db5f61666ae0005428b8b72f9d7 | |
| parent | b5deff74d1b1cb33b65a6c8db44fc87e972b53f7 (diff) | |
target/i386: Split out gen_cmpxchg8b, gen_cmpxchg16b
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/i386/tcg/translate.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7e0b2a709a..a82131d635 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -2993,6 +2993,34 @@ static void gen_sty_env_A0(DisasContext *s, int offset, bool align) #include "emit.c.inc" #include "decode-new.c.inc" +static void gen_cmpxchg8b(DisasContext *s, CPUX86State *env, int modrm) +{ + gen_lea_modrm(env, s, modrm); + + if ((s->prefix & PREFIX_LOCK) && + (tb_cflags(s->base.tb) & CF_PARALLEL)) { + gen_helper_cmpxchg8b(cpu_env, s->A0); + } else { + gen_helper_cmpxchg8b_unlocked(cpu_env, s->A0); + } + set_cc_op(s, CC_OP_EFLAGS); +} + +#ifdef TARGET_X86_64 +static void gen_cmpxchg16b(DisasContext *s, CPUX86State *env, int modrm) +{ + gen_lea_modrm(env, s, modrm); + + if ((s->prefix & PREFIX_LOCK) && + (tb_cflags(s->base.tb) & CF_PARALLEL)) { + gen_helper_cmpxchg16b(cpu_env, s->A0); + } else { + gen_helper_cmpxchg16b_unlocked(cpu_env, s->A0); + } + set_cc_op(s, CC_OP_EFLAGS); +} +#endif + /* convert one instruction. s->base.is_jmp is set if the translation must be stopped. Return the next pc value */ static bool disas_insn(DisasContext *s, CPUState *cpu) @@ -3844,28 +3872,14 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) if (!(s->cpuid_ext_features & CPUID_EXT_CX16)) { goto illegal_op; } - gen_lea_modrm(env, s, modrm); - if ((s->prefix & PREFIX_LOCK) && - (tb_cflags(s->base.tb) & CF_PARALLEL)) { - gen_helper_cmpxchg16b(cpu_env, s->A0); - } else { - gen_helper_cmpxchg16b_unlocked(cpu_env, s->A0); - } - set_cc_op(s, CC_OP_EFLAGS); + gen_cmpxchg16b(s, env, modrm); break; } -#endif +#endif if (!(s->cpuid_features & CPUID_CX8)) { goto illegal_op; } - gen_lea_modrm(env, s, modrm); - if ((s->prefix & PREFIX_LOCK) && - (tb_cflags(s->base.tb) & CF_PARALLEL)) { - gen_helper_cmpxchg8b(cpu_env, s->A0); - } else { - gen_helper_cmpxchg8b_unlocked(cpu_env, s->A0); - } - set_cc_op(s, CC_OP_EFLAGS); + gen_cmpxchg8b(s, env, modrm); break; case 7: /* RDSEED */ |