* [Qemu-devel] [PATCH] target-ppc: Altivec's mtvscr Decodes Wrong Register
@ 2014-11-14 20:01 Tom Musta
2014-11-15 12:37 ` Alexander Graf
0 siblings, 1 reply; 2+ messages in thread
From: Tom Musta @ 2014-11-14 20:01 UTC (permalink / raw)
To: qemu-devel, qemu-ppc; +Cc: Tom Musta, agraf
The Move to Vector Status and Control Register (mtvscr) instruction
uses VRB as the source register. Fix the code generator to correctly
decode the VRB field. That is, use "rB(ctx->opcode)" instead of
"rD(ctx->opcode)".
Signed-off-by: Tom Musta <tommusta@gmail.com>
---
target-ppc/translate.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 910ce56..d381632 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6848,7 +6848,7 @@ static void gen_mtvscr(DisasContext *ctx)
gen_exception(ctx, POWERPC_EXCP_VPU);
return;
}
- p = gen_avr_ptr(rD(ctx->opcode));
+ p = gen_avr_ptr(rB(ctx->opcode));
gen_helper_mtvscr(cpu_env, p);
tcg_temp_free_ptr(p);
}
--
1.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2014-11-15 12:38 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-11-14 20:01 [Qemu-devel] [PATCH] target-ppc: Altivec's mtvscr Decodes Wrong Register Tom Musta
2014-11-15 12:37 ` Alexander Graf
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).