Implement flush-to-zero mode (denormal results are replaced with zero).
Signed-off-by: Paul Brook <paul@codesourcery.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6107 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 79163b8..81663c8 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2334,12 +2334,13 @@
}
set_float_rounding_mode(i, &env->vfp.fp_status);
}
+ if (changed & (1 << 24))
+ set_flush_to_zero((val & (1 << 24)) != 0, &env->vfp.fp_status);
if (changed & (1 << 25))
set_default_nan_mode((val & (1 << 25)) != 0, &env->vfp.fp_status);
i = vfp_exceptbits_to_host((val >> 8) & 0x1f);
set_float_exception_flags(i, &env->vfp.fp_status);
- /* XXX: FZ and DN are not implemented. */
}
#define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p))