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[Qemu-devel] [PATCH] target-arm: When setting FPSCR.QC, don't clear othe
From
:
Matt Craighead
Subject
:
[Qemu-devel] [PATCH] target-arm: When setting FPSCR.QC, don't clear other FPSCR bits
Date
:
Sun, 6 May 2012 21:45:03 -0500
This patch fixes a bug affecting a variety of Neon instructions, such as VQADD.
Signed-off-by: Matt Craighead <
address@hidden
>
---
target-arm/neon_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 \
--
1.7.9.5
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[Qemu-devel] [PATCH] target-arm: When setting FPSCR.QC, don't clear other FPSCR bits
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Matt Craighead
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Re: [Qemu-devel] [PATCH] target-arm: When setting FPSCR.QC, don't clear other FPSCR bits
,
Peter Maydell
,
2012/05/08
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