From: Laurent Vivier <laurent@vivier.eu>
To: qemu-devel@nongnu.org
Cc: Laurent Vivier <laurent@vivier.eu>
Subject: [Qemu-devel] [PULL v2 7/9] target-m68k: manage pre-dec et post-inc in CAS
Date: Sat, 14 Jan 2017 10:07:56 +0100 [thread overview]
Message-ID: <1484384878-29179-8-git-send-email-laurent@vivier.eu> (raw)
In-Reply-To: <1484384878-29179-1-git-send-email-laurent@vivier.eu>
In these cases we must update the address register after
the operation.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1484332593-16782-4-git-send-email-laurent@vivier.eu>
---
target/m68k/translate.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 0e97900..23e2b06 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -1963,6 +1963,15 @@ DISAS_INSN(cas)
gen_partset_reg(opsize, DREG(ext, 0), load);
tcg_temp_free(load);
+
+ switch (extract32(insn, 3, 3)) {
+ case 3: /* Indirect postincrement. */
+ tcg_gen_addi_i32(AREG(insn, 0), addr, opsize_bytes(opsize));
+ break;
+ case 4: /* Indirect predecrememnt. */
+ tcg_gen_mov_i32(AREG(insn, 0), addr);
+ break;
+ }
}
DISAS_INSN(cas2w)
--
2.7.4
next prev parent reply other threads:[~2017-01-14 9:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-14 9:07 [Qemu-devel] [PULL v2 0/9] M68k for 2.9 patches Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 1/9] target-m68k: Implement bitfield ops for registers Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 2/9] target-m68k: Implement bitfield ops for memory Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 3/9] target-m68k: Implement bfffo Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 4/9] m68k: Remove PCI and USB from config file Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 5/9] target-m68k: fix bit operation with immediate value Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 6/9] target-m68k: fix gen_flush_flags() Laurent Vivier
2017-01-14 9:07 ` Laurent Vivier [this message]
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 8/9] target-m68k: CAS doesn't need aligned access Laurent Vivier
2017-01-14 9:07 ` [Qemu-devel] [PULL v2 9/9] target-m68k: increment/decrement with SP Laurent Vivier
2017-01-17 11:19 ` [Qemu-devel] [PULL v2 0/9] M68k for 2.9 patches Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1484384878-29179-8-git-send-email-laurent@vivier.eu \
--to=laurent@vivier.eu \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.