From: Peter Maydell <peter.maydell@linaro.org>
To: Blue Swirl <blauwirbel@gmail.com>
Cc: qemu-devel@nongnu.org, Anthony Liguori <anthony@codemonkey.ws>,
Paul Brook <paul@codesourcery.com>
Subject: [Qemu-devel] [PATCH 1/2] target-arm: When setting FPSCR.QC, don't clear other FPSCR bits
Date: Thu, 10 May 2012 14:00:32 +0100 [thread overview]
Message-ID: <1336654833-14698-2-git-send-email-peter.maydell@linaro.org> (raw)
In-Reply-To: <1336654833-14698-1-git-send-email-peter.maydell@linaro.org>
From: Matt Craighead <mjcraighead@gmail.com>
This patch fixes a bug affecting a variety of Neon instructions, such as
VQADD.
Signed-off-by: Matt Craighead <mjcraighead@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target-arm/neon_helper.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index 1e02d61..e0b9dbf 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -16,7 +16,7 @@
#define SIGNBIT (uint32_t)0x80000000
#define SIGNBIT64 ((uint64_t)1 << 63)
-#define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q
+#define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] |= CPSR_Q
#define NEON_TYPE1(name, type) \
typedef struct \
--
1.7.1
next prev parent reply other threads:[~2012-05-10 13:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 13:00 [Qemu-devel] [PULL 1.1 0/2] target-arm queue Peter Maydell
2012-05-10 13:00 ` Peter Maydell [this message]
2012-05-10 13:00 ` [Qemu-devel] [PATCH 2/2] target-arm/cpu.h: Make cpu_init("nonexistent cpu") return NULL Peter Maydell
2012-05-12 9:53 ` [Qemu-devel] [PULL 1.1 0/2] target-arm queue Blue Swirl
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