[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/2] target-arm: When setting FPSCR.QC, don't clear
From: |
Peter Maydell |
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 |
From: Matt Craighead <address@hidden>
This patch fixes a bug affecting a variety of Neon instructions, such as
VQADD.
Signed-off-by: Matt Craighead <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
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