Patchwork [4/4] target-arm: Make Neon helper routines use correct FP status

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Submitter Peter Maydell
Date April 4, 2011, 10:46 a.m.
Message ID <1301913995-2506-5-git-send-email-peter.maydell@linaro.org>
Download mbox | patch
Permalink /patch/89609/
State New
Headers show

Comments

Peter Maydell - April 4, 2011, 10:46 a.m.
Make the Neon helper routines use the correct FP status from
the CPUEnv rather than using a dummy static one. This means
they will correctly handle denormals and NaNs and will set
FPSCR exception bits properly.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/neon_helper.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

Patch

diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index 315e693..c3ac96a 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -18,8 +18,7 @@ 
 
 #define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q
 
-static float_status neon_float_status;
-#define NFS &neon_float_status
+#define NFS (&env->vfp.standard_fp_status)
 
 #define NEON_TYPE1(name, type) \
 typedef struct \