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From: "Paul A. Clarke" <pc@us.ibm.com>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: Giuseppe Musacchio <thatlemon@gmail.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: [PATCH] Fix `lxvdsx` (issue #212)
Date: Mon, 17 May 2021 16:40:32 -0500	[thread overview]
Message-ID: <20210517214032.156187-1-pc@us.ibm.com> (raw)

`lxvdsx` is byte-swapping the data it loads, which it should not
do.  Fix it.

Fixes #212.

Fixes: bcb0b7b1a1c05707304f80ca6f523d557816f85c
Signed-off-by:  Paul A. Clarke <pc@us.ibm.com
---
 target/ppc/translate/vsx-impl.c.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc
index b817d31260bb..46f97c029ca8 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -162,7 +162,7 @@ static void gen_lxvdsx(DisasContext *ctx)
     gen_addr_reg_index(ctx, EA);
 
     data = tcg_temp_new_i64();
-    tcg_gen_qemu_ld_i64(data, EA, ctx->mem_idx, MO_TEQ);
+    tcg_gen_qemu_ld_i64(data, EA, ctx->mem_idx, MO_LEQ);
     tcg_gen_gvec_dup_i64(MO_Q, vsr_full_offset(xT(ctx->opcode)), 16, 16, data);
 
     tcg_temp_free(EA);
-- 
2.27.0



             reply	other threads:[~2021-05-17 21:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17 21:40 Paul A. Clarke [this message]
2021-05-18  1:34 ` [PATCH] Fix `lxvdsx` (issue #212) David Gibson
2021-05-18  6:40   ` Giuseppe Musacchio
2021-05-18  7:30     ` Greg Kurz
2021-05-19  0:46       ` David Gibson
2021-05-18  6:53   ` Mark Cave-Ayland

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