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target/sparc: Implement FHADD, FHSUB, FNHADD, FNADD, FNMUL

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-04 14:59:24 -07:00
parent 7837185e40
commit 3d50b7287e
4 changed files with 160 additions and 0 deletions
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68
target/sparc/fop_helper.c
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@ -359,6 +359,74 @@ float64 helper_fmaddd(CPUSPARCState *env, float64 s1,
return ret;
}
float32 helper_fnadds(CPUSPARCState *env, float32 src1, float32 src2)
{
float32 ret = float32_add(src1, src2, &env->fp_status);
/*
* NaN inputs or result do not get a sign change.
* Nor, apparently, does zero: on hardware, -(x + -x) yields +0.
*/
if (!float32_is_any_nan(ret) && !float32_is_zero(ret)) {
ret = float32_chs(ret);
}
check_ieee_exceptions(env, GETPC());
return ret;
}
float32 helper_fnmuls(CPUSPARCState *env, float32 src1, float32 src2)
{
float32 ret = float32_mul(src1, src2, &env->fp_status);
/* NaN inputs or result do not get a sign change. */
if (!float32_is_any_nan(ret)) {
ret = float32_chs(ret);
}
check_ieee_exceptions(env, GETPC());
return ret;
}
float64 helper_fnaddd(CPUSPARCState *env, float64 src1, float64 src2)
{
float64 ret = float64_add(src1, src2, &env->fp_status);
/*
* NaN inputs or result do not get a sign change.
* Nor, apparently, does zero: on hardware, -(x + -x) yields +0.
*/
if (!float64_is_any_nan(ret) && !float64_is_zero(ret)) {
ret = float64_chs(ret);
}
check_ieee_exceptions(env, GETPC());
return ret;
}
float64 helper_fnmuld(CPUSPARCState *env, float64 src1, float64 src2)
{
float64 ret = float64_mul(src1, src2, &env->fp_status);
/* NaN inputs or result do not get a sign change. */
if (!float64_is_any_nan(ret)) {
ret = float64_chs(ret);
}
check_ieee_exceptions(env, GETPC());
return ret;
}
float64 helper_fnsmuld(CPUSPARCState *env, float32 src1, float32 src2)
{
float64 ret = float64_mul(float32_to_float64(src1, &env->fp_status),
float32_to_float64(src2, &env->fp_status),
&env->fp_status);
/* NaN inputs or result do not get a sign change. */
if (!float64_is_any_nan(ret)) {
ret = float64_chs(ret);
}
check_ieee_exceptions(env, GETPC());
return ret;
}
static uint32_t finish_fcmp(CPUSPARCState *env, FloatRelation r, uintptr_t ra)
{
check_ieee_exceptions(env, ra);