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target/arm: Implement VFP fp16 VCMP

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Implement fp16 version of VCMP.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200828183354.27913-11-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2020-08-28 19:33:19 +01:00
parent 28c28728e5
commit 1b88b054c5
4 changed files with 51 additions and 7 deletions
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15
target/arm/vfp_helper.c
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@ -330,19 +330,20 @@ static void softfloat_to_vfp_compare(CPUARMState *env, FloatRelation cmp)
}
/* XXX: check quiet/signaling case */
#define DO_VFP_cmp(p, type) \
void VFP_HELPER(cmp, p)(type a, type b, CPUARMState *env) \
#define DO_VFP_cmp(P, FLOATTYPE, ARGTYPE, FPST) \
void VFP_HELPER(cmp, P)(ARGTYPE a, ARGTYPE b, CPUARMState *env) \
{ \
softfloat_to_vfp_compare(env, \
type ## _compare_quiet(a, b, &env->vfp.fp_status)); \
FLOATTYPE ## _compare_quiet(a, b, &env->vfp.FPST)); \
} \
void VFP_HELPER(cmpe, p)(type a, type b, CPUARMState *env) \
void VFP_HELPER(cmpe, P)(ARGTYPE a, ARGTYPE b, CPUARMState *env) \
{ \
softfloat_to_vfp_compare(env, \
type ## _compare(a, b, &env->vfp.fp_status)); \
FLOATTYPE ## _compare(a, b, &env->vfp.FPST)); \
}
DO_VFP_cmp(s, float32)
DO_VFP_cmp(d, float64)
DO_VFP_cmp(h, float16, dh_ctype_f16, fp_status_f16)
DO_VFP_cmp(s, float32, float32, fp_status)
DO_VFP_cmp(d, float64, float64, fp_status)
#undef DO_VFP_cmp
/* Integer to float and float to integer conversions */