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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-05-01 22:44:09 -0700 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2024-05-29 12:41:15 +0200 |
| commit | 9bbbcf5ddb5ae6e006ca394a9ec01492ac6d8122 (patch) | |
| tree | 64bf790b01b47653a9914a55fc4f7674eedf84c5 /target/s390x/tcg | |
| parent | a90e319569547ac7477606301b93491f3b886569 (diff) | |
| download | qemu-9bbbcf5ddb5ae6e006ca394a9ec01492ac6d8122.zip qemu-9bbbcf5ddb5ae6e006ca394a9ec01492ac6d8122.tar.gz qemu-9bbbcf5ddb5ae6e006ca394a9ec01492ac6d8122.tar.bz2 | |
target/s390x: Introduce help_goto_indirect
Add a small helper to handle unconditional indirect jumps.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-7-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'target/s390x/tcg')
| -rw-r--r-- | target/s390x/tcg/translate.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 0762094..7ae928c 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -1118,6 +1118,13 @@ static DisasJumpType help_goto_direct(DisasContext *s, uint64_t dest) } } +static DisasJumpType help_goto_indirect(DisasContext *s, TCGv_i64 dest) +{ + tcg_gen_mov_i64(psw_addr, dest); + per_branch(s, false); + return DISAS_PC_UPDATED; +} + static DisasJumpType help_branch(DisasContext *s, DisasCompare *c, bool is_imm, int imm, TCGv_i64 cdest) { @@ -1148,9 +1155,7 @@ static DisasJumpType help_branch(DisasContext *s, DisasCompare *c, goto egress; } if (c->cond == TCG_COND_ALWAYS) { - tcg_gen_mov_i64(psw_addr, cdest); - per_branch(s, false); - ret = DISAS_PC_UPDATED; + ret = help_goto_indirect(s, cdest); goto egress; } } @@ -1463,9 +1468,7 @@ static DisasJumpType op_bas(DisasContext *s, DisasOps *o) { pc_to_link_info(o->out, s, s->pc_tmp); if (o->in2) { - tcg_gen_mov_i64(psw_addr, o->in2); - per_branch(s, false); - return DISAS_PC_UPDATED; + return help_goto_indirect(s, o->in2); } else { return DISAS_NEXT; } @@ -1495,9 +1498,7 @@ static DisasJumpType op_bal(DisasContext *s, DisasOps *o) { save_link_info(s, o); if (o->in2) { - tcg_gen_mov_i64(psw_addr, o->in2); - per_branch(s, false); - return DISAS_PC_UPDATED; + return help_goto_indirect(s, o->in2); } else { return DISAS_NEXT; } |