From: Tom Musta <tommusta@gmail.com>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: pbonzini@redhat.com, agraf@suse.de, Tom Musta <tommusta@gmail.com>
Subject: [Qemu-devel] [PATCH 4/7] target-ppc: mffs. Should Set CR1 from FPSCR Bits
Date: Mon, 3 Nov 2014 14:01:14 -0600 [thread overview]
Message-ID: <1415044877-17300-5-git-send-email-tommusta@gmail.com> (raw)
In-Reply-To: <1415044877-17300-1-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 9653ba9..0247af5 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2512,7 +2512,9 @@ 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();
+ }
}
/* mtfsb0 */
--
1.7.1
next prev parent reply other threads:[~2014-11-03 20:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-03 20:01 [Qemu-devel] [PATCH 0/7] target-ppc: Assorted Floating Point Bugs and Cleanup Tom Musta
2014-11-03 20:01 ` [Qemu-devel] [PATCH 1/7] target-ppc: VXSQRT Should Not Be Set for NaNs Tom Musta
2014-11-03 20:01 ` [Qemu-devel] [PATCH 2/7] target-ppc: Introduce gen_set_cr1_from_fpscr Tom Musta
2014-11-04 15:58 ` Paolo Bonzini
2014-11-04 16:16 ` Alexander Graf
2014-11-04 16:26 ` Paolo Bonzini
2014-11-04 16:25 ` Tom Musta
2014-11-04 16:25 ` Paolo Bonzini
2014-11-03 20:01 ` [Qemu-devel] [PATCH 3/7] target-ppc: Fix Floating Point Move Instructions That Set CR1 Tom Musta
2014-11-03 20:01 ` Tom Musta [this message]
2014-11-03 20:01 ` [Qemu-devel] [PATCH 5/7] target-ppc: Fully Migrate to gen_set_cr1_from_fpscr Tom Musta
2014-11-03 20:01 ` [Qemu-devel] [PATCH 6/7] target-ppc: Eliminate set_fprf Argument From gen_compute_fprf Tom Musta
2014-11-03 20:01 ` [Qemu-devel] [PATCH 7/7] target-ppc: Eliminate set_fprf Argument From helper_compute_fprf Tom Musta
2014-11-04 15:49 ` [Qemu-devel] [PATCH 0/7] target-ppc: Assorted Floating Point Bugs and Cleanup Paolo Bonzini
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