From: Tom Musta <tommusta@gmail.com>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: Tom Musta <tommusta@gmail.com>, agraf@suse.de
Subject: [Qemu-devel] [2.3 V2 PATCH 3/6] target-ppc: mffs. Should Set CR1 from FPSCR Bits
Date: Wed, 12 Nov 2014 15:46:01 -0600 [thread overview]
Message-ID: <1415828764-10582-4-git-send-email-tommusta@gmail.com> (raw)
In-Reply-To: <1415828764-10582-1-git-send-email-tommusta@gmail.com>
Update the Move From FPSCR (mffs.) instruction to correctly
set CR[1] from FPSCR[FX,FEX,VX,OX].
Signed-off-by: Tom Musta <tommusta@gmail.com>
---
target-ppc/translate.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 2d79e39..f3c57b8 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2504,7 +2504,9 @@ static void gen_mffs(DisasContext *ctx)
}
gen_reset_fpstatus();
tcg_gen_extu_tl_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpscr);
- gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0);
+ if (unlikely(Rc(ctx->opcode))) {
+ gen_set_cr1_from_fpscr(ctx);
+ }
}
/* mtfsb0 */
--
1.7.1
next prev parent reply other threads:[~2014-11-12 21:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 21:45 [Qemu-devel] [2.3 V2 PATCH 0/6] target-ppc: Assorted Floating Point Bugs and Cleanup Tom Musta
2014-11-12 21:45 ` [Qemu-devel] [2.3 V2 PATCH 1/6] target-ppc: VXSQRT Should Not Be Set for NaNs Tom Musta
2014-11-12 21:46 ` [Qemu-devel] [2.3 V2 PATCH 2/6] target-ppc: Fix Floating Point Move Instructions That Set CR1 Tom Musta
2014-11-20 14:14 ` Alexander Graf
2014-11-20 14:32 ` Tom Musta
2014-11-20 14:49 ` Alexander Graf
2014-11-12 21:46 ` Tom Musta [this message]
2014-11-12 21:46 ` [Qemu-devel] [2.3 V2 PATCH 4/6] target-ppc: Fully Migrate to gen_set_cr1_from_fpscr Tom Musta
2014-11-12 21:46 ` [Qemu-devel] [2.3 V2 PATCH 5/6] target-ppc: Eliminate set_fprf Argument From gen_compute_fprf Tom Musta
2014-11-12 21:46 ` [Qemu-devel] [2.3 V2 PATCH 6/6] target-ppc: Eliminate set_fprf Argument From helper_compute_fprf Tom Musta
2014-11-20 14:51 ` [Qemu-devel] [2.3 V2 PATCH 0/6] target-ppc: Assorted Floating Point Bugs and Cleanup Alexander Graf
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