All of lore.kernel.org
 help / color / mirror / Atom feed
From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [PATCH 1/5] tcg: Decode the operand to INDEX_op_mb in dumps
Date: Tue, 16 Mar 2021 16:07:31 -0600	[thread overview]
Message-ID: <20210316220735.2048137-2-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210316220735.2048137-1-richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 2991112829..23a94d771c 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2415,6 +2415,85 @@ static void tcg_dump_ops(TCGContext *s, bool have_prefs)
                                 arg_label(op->args[k])->id);
                 i++, k++;
                 break;
+            case INDEX_op_mb:
+                {
+                    TCGBar membar = op->args[k];
+                    const char *b_op, *m_op;
+
+                    switch (membar & TCG_BAR_SC) {
+                    case 0:
+                        b_op = "none";
+                        break;
+                    case TCG_BAR_LDAQ:
+                        b_op = "acq";
+                        break;
+                    case TCG_BAR_STRL:
+                        b_op = "rel";
+                        break;
+                    case TCG_BAR_SC:
+                        b_op = "seq";
+                        break;
+                    default:
+                        g_assert_not_reached();
+                    }
+
+                    switch (membar & TCG_MO_ALL) {
+                    case 0:
+                        m_op = "none";
+                        break;
+                    case TCG_MO_LD_LD:
+                        m_op = "rr";
+                        break;
+                    case TCG_MO_LD_ST:
+                        m_op = "rw";
+                        break;
+                    case TCG_MO_ST_LD:
+                        m_op = "wr";
+                        break;
+                    case TCG_MO_ST_ST:
+                        m_op = "ww";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_LD_ST:
+                        m_op = "rr+rw";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_ST_LD:
+                        m_op = "rr+wr";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_ST_ST:
+                        m_op = "rr+ww";
+                        break;
+                    case TCG_MO_LD_ST | TCG_MO_ST_LD:
+                        m_op = "rw+wr";
+                        break;
+                    case TCG_MO_LD_ST | TCG_MO_ST_ST:
+                        m_op = "rw+ww";
+                        break;
+                    case TCG_MO_ST_LD | TCG_MO_ST_ST:
+                        m_op = "wr+ww";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_LD:
+                        m_op = "rr+rw+wr";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_ST:
+                        m_op = "rr+rw+ww";
+                        break;
+                    case TCG_MO_LD_LD | TCG_MO_ST_LD | TCG_MO_ST_ST:
+                        m_op = "rr+wr+ww";
+                        break;
+                    case TCG_MO_LD_ST | TCG_MO_ST_LD | TCG_MO_ST_ST:
+                        m_op = "rw+wr+ww";
+                        break;
+                    case TCG_MO_ALL:
+                        m_op = "all";
+                        break;
+                    default:
+                        g_assert_not_reached();
+                    }
+
+                    col += qemu_log("%s%s:%s", (k ? "," : ""), b_op, m_op);
+                    i++, k++;
+                }
+                break;
             default:
                 break;
             }
-- 
2.25.1



  reply	other threads:[~2021-03-16 22:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-16 22:07 [PATCH 0/5] tcg: Issue memory barriers for guest memory model Richard Henderson
2021-03-16 22:07 ` Richard Henderson [this message]
2021-03-17 13:32   ` [PATCH 1/5] tcg: Decode the operand to INDEX_op_mb in dumps Philippe Mathieu-Daudé
2021-03-16 22:07 ` [PATCH 2/5] tcg: Do not elide memory barriers for CF_PARALLEL Richard Henderson
2021-03-16 22:07 ` [PATCH 3/5] tcg: Elide memory barriers implied by the host memory model Richard Henderson
2021-03-16 22:07 ` [PATCH 4/5] tcg: Create tcg_req_mo Richard Henderson
2021-03-16 22:07 ` [PATCH 5/5] tcg: Add host memory barriers to cpu_ldst.h interfaces Richard Henderson
2021-03-16 22:30 ` [PATCH 0/5] tcg: Issue memory barriers for guest memory model no-reply
2021-06-26  6:06 ` Richard Henderson

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=20210316220735.2048137-2-richard.henderson@linaro.org \
    --to=richard.henderson@linaro.org \
    --cc=peter.maydell@linaro.org \
    --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.