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[PATCH 08/14] target/s390x: Split per_breaking_event from per_branch_*
From: |
Richard Henderson |
Subject: |
[PATCH 08/14] target/s390x: Split per_breaking_event from per_branch_* |
Date: |
Wed, 1 May 2024 22:44:11 -0700 |
The breaking-event-address register is updated regardless
of PER being enabled.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/s390x/tcg/translate.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index e77660ee50..a384192d15 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -346,8 +346,6 @@ static void update_psw_addr(DisasContext *s)
static void per_branch(DisasContext *s, bool to_next)
{
#ifndef CONFIG_USER_ONLY
- tcg_gen_movi_i64(gbea, s->base.pc_next);
-
if (s->base.tb->flags & FLAG_MASK_PER_BRANCH) {
TCGv_i64 next_pc = to_next ? tcg_constant_i64(s->pc_tmp) : psw_addr;
gen_helper_per_branch(tcg_env, gbea, next_pc);
@@ -1083,13 +1081,13 @@ struct DisasInsn {
static DisasJumpType help_goto_direct(DisasContext *s, uint64_t dest)
{
+ per_breaking_event(s);
if (dest == s->pc_tmp) {
per_branch(s, true);
return DISAS_NEXT;
}
if (use_goto_tb(s, dest)) {
update_cc_op(s);
- per_breaking_event(s);
tcg_gen_goto_tb(0);
tcg_gen_movi_i64(psw_addr, dest);
tcg_gen_exit_tb(s->base.tb, 0);
@@ -1103,6 +1101,7 @@ static DisasJumpType help_goto_direct(DisasContext *s,
uint64_t dest)
static DisasJumpType help_goto_indirect(DisasContext *s, TCGv_i64 dest)
{
+ per_breaking_event(s);
tcg_gen_mov_i64(psw_addr, dest);
per_branch(s, false);
return DISAS_PC_UPDATED;
@@ -1161,6 +1160,7 @@ static DisasJumpType help_branch(DisasContext *s,
DisasCompare *c,
}
/* Branch taken. */
+ per_breaking_event(s);
if (is_imm) {
tcg_gen_movi_i64(psw_addr, dest);
} else {
--
2.34.1
- Re: [PATCH 03/14] target/s390x: Update CR9 bits, (continued)
- [PATCH 05/14] target/s390x: Disable conditional branch-to-next for PER, Richard Henderson, 2024/05/02
- [PATCH 10/14] target/s390x: Raise exception from per_store_real, Richard Henderson, 2024/05/02
- [PATCH 11/14] target/s390x: Fix helper_per_ifetch flags, Richard Henderson, 2024/05/02
- [PATCH 13/14] target/s390x: Adjust check of noreturn in translate_one, Richard Henderson, 2024/05/02
- [PATCH 07/14] target/s390x: Simplify help_branch, Richard Henderson, 2024/05/02
- [PATCH 12/14] target/s390x: Simplify per_ifetch, per_check_exception, Richard Henderson, 2024/05/02
- [PATCH 08/14] target/s390x: Split per_breaking_event from per_branch_*,
Richard Henderson <=
- [PATCH 09/14] target/s390x: Raise exception from helper_per_branch, Richard Henderson, 2024/05/02
- [PATCH 14/14] tests/tcg/s390x: Add per.S, Richard Henderson, 2024/05/02
- [PATCH 06/14] target/s390x: Introduce help_goto_indirect, Richard Henderson, 2024/05/02