From 7e598de023e4f3f612be7f16acea2ec5dac010ec Mon Sep 17 00:00:00 2001 From: Matt Craighead Date: Thu, 10 May 2012 12:56:08 +0000 Subject: target-arm: When setting FPSCR.QC, don't clear other FPSCR bits This patch fixes a bug affecting a variety of Neon instructions, such as VQADD. Signed-off-by: Matt Craighead Signed-off-by: Peter Maydell --- 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 1e02d61bdc..e0b9dbf67e 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 \ -- cgit v1.2.3