From: Peter Maydell Date: Tue, 7 Dec 2010 15:37:34 +0000 (+0000) Subject: ARM: Ignore top 16 bits when doing VCVT from 16 bit fixed point X-Git-Tag: v0.14.0-rc0~350^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=26a5e69aafd0434922316e4185c45c9bddd4b9ba;p=thirdparty%2Fqemu.git ARM: Ignore top 16 bits when doing VCVT from 16 bit fixed point VCVT of 16 bit fixed point to float should ignore the top 16 bits of the source register. Cast to int16_t and friends rather than int16 -- the former is guaranteed exactly 16 bits wide where the latter is merely at least 16 bits wide (and so is usually 32 bits). Signed-off-by: Peter Maydell Reviewed-by: Nathan Froyd --- diff --git a/target-arm/helper.c b/target-arm/helper.c index 4bd1cd4fa45..292578235b1 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -2549,7 +2549,7 @@ float32 VFP_HELPER(fcvts, d)(float64 x, CPUState *env) ftype VFP_HELPER(name##to, p)(ftype x, uint32_t shift, CPUState *env) \ { \ ftype tmp; \ - tmp = sign##int32_to_##ftype ((itype)vfp_##p##toi(x), \ + tmp = sign##int32_to_##ftype ((itype##_t)vfp_##p##toi(x), \ &env->vfp.fp_status); \ return ftype##_scalbn(tmp, -(int)shift, &env->vfp.fp_status); \ } \