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[PATCH v1 17/26] target/s390x: Introduce help_goto_indirect
From: |
Richard Henderson |
Subject: |
[PATCH v1 17/26] target/s390x: Introduce help_goto_indirect |
Date: |
Tue, 6 Sep 2022 11:17:38 +0100 |
Add a small helper to handle unconditional indirect jumps.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/s390x/tcg/translate.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index fc6b04e23e..712f6d5795 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1189,6 +1189,13 @@ static DisasJumpType help_goto_direct(DisasContext *s,
int64_t disp)
}
}
+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)
{
@@ -1219,9 +1226,7 @@ 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;
}
}
@@ -1545,9 +1550,7 @@ static DisasJumpType op_bas(DisasContext *s, DisasOps *o)
{
pc_to_link_info(o->out, s);
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;
}
@@ -1580,9 +1583,7 @@ 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;
}
--
2.34.1
- [PATCH v1 00/26] target/s390x: pc-relative translation, Richard Henderson, 2022/09/06
- [PATCH v1 02/26] target/s390x: Use tcg_constant_* for DisasCompare, Richard Henderson, 2022/09/06
- [PATCH v1 01/26] target/s390x: Use tcg_constant_* in local contexts, Richard Henderson, 2022/09/06
- [PATCH v1 03/26] target/s390x: Use tcg_constant_i32 for fpinst_extract_m34, Richard Henderson, 2022/09/06
- [PATCH v1 04/26] target/s390x: Use tcg_constant_* in translate_vx.c.inc, Richard Henderson, 2022/09/06
- [PATCH v1 05/26] target/s390x: Change help_goto_direct to work on displacements, Richard Henderson, 2022/09/06
- [PATCH v1 07/26] target/s390x: Remove pc argument to pc_to_link_into, Richard Henderson, 2022/09/06
- [PATCH v1 06/26] target/s390x: Introduce gen_psw_addr_disp, Richard Henderson, 2022/09/06
- [PATCH v1 17/26] target/s390x: Introduce help_goto_indirect,
Richard Henderson <=
- [PATCH v1 13/26] target/s390x: Add disp argument to update_psw_addr, Richard Henderson, 2022/09/06
- [PATCH v1 22/26] target/s390x: Pass original r2 register to BCR, Richard Henderson, 2022/09/06
- [PATCH v1 10/26] target/s390x: Use gen_psw_addr_disp in op_sam, Richard Henderson, 2022/09/06
- [PATCH v1 11/26] target/s390x: Use ilen instead in branches, Richard Henderson, 2022/09/06
- [PATCH v1 09/26] target/s390x: Use gen_psw_addr_disp in save_link_info, Richard Henderson, 2022/09/06
- [PATCH v1 18/26] target/s390x: Split per_branch, Richard Henderson, 2022/09/06
- [PATCH v1 08/26] target/s390x: Use gen_psw_addr_disp in pc_to_link_info, Richard Henderson, 2022/09/06
- [PATCH v1 12/26] target/s390x: Move masking of psw.addr to cpu_get_tb_cpu_state, Richard Henderson, 2022/09/06
- [PATCH v1 14/26] target/s390x: Don't set gbea for user-only, Richard Henderson, 2022/09/06