aboutsummaryrefslogtreecommitdiff
path: root/target/s390x/vec_fpu_helper.c
diff options
context:
space:
mode:
authorDavid Hildenbrand <david@redhat.com>2021-06-08 11:23:18 +0200
committerCornelia Huck <cohuck@redhat.com>2021-06-21 08:48:21 +0200
commit34142ffdee57f3fbd5eba1788ebc8e5d50a60022 (patch)
tree58867735f61b3deb8cf72d742da255b33b908312 /target/s390x/vec_fpu_helper.c
parent622ebe64ada4bf1bb3ce6bbfd7ea107ed166023c (diff)
s390x/tcg: Simplify vfma64() handling
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20210608092337.12221-8-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/vec_fpu_helper.c')
-rw-r--r--target/s390x/vec_fpu_helper.c42
1 files changed, 17 insertions, 25 deletions
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index 2ced6fcfaf..23b38df158 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -374,12 +374,12 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3,
int i;
for (i = 0; i < 2; i++) {
- const uint64_t a = s390_vec_read_element64(v2, i);
- const uint64_t b = s390_vec_read_element64(v3, i);
- const uint64_t c = s390_vec_read_element64(v4, i);
- uint64_t ret = float64_muladd(a, b, c, flags, &env->fpu_status);
+ const float64 a = s390_vec_read_float64(v2, i);
+ const float64 b = s390_vec_read_float64(v3, i);
+ const float64 c = s390_vec_read_float64(v4, i);
+ const float64 ret = float64_muladd(a, b, c, flags, &env->fpu_status);
- s390_vec_write_element64(&tmp, i, ret);
+ s390_vec_write_float64(&tmp, i, ret);
vxc = check_ieee_exc(env, i, false, &vec_exc);
if (s || vxc) {
break;
@@ -389,29 +389,21 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3,
*v1 = tmp;
}
-void HELPER(gvec_vfma64)(void *v1, const void *v2, const void *v3,
- const void *v4, CPUS390XState *env, uint32_t desc)
-{
- vfma64(v1, v2, v3, v4, env, false, 0, GETPC());
-}
-
-void HELPER(gvec_vfma64s)(void *v1, const void *v2, const void *v3,
- const void *v4, CPUS390XState *env, uint32_t desc)
-{
- vfma64(v1, v2, v3, v4, env, true, 0, GETPC());
+#define DEF_GVEC_VFMA_B(NAME, FLAGS, BITS) \
+void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3, \
+ const void *v4, CPUS390XState *env, \
+ uint32_t desc) \
+{ \
+ const bool se = extract32(simd_data(desc), 3, 1); \
+ \
+ vfma##BITS(v1, v2, v3, v4, env, se, FLAGS, GETPC()); \
}
-void HELPER(gvec_vfms64)(void *v1, const void *v2, const void *v3,
- const void *v4, CPUS390XState *env, uint32_t desc)
-{
- vfma64(v1, v2, v3, v4, env, false, float_muladd_negate_c, GETPC());
-}
+#define DEF_GVEC_VFMA(NAME, FLAGS) \
+ DEF_GVEC_VFMA_B(NAME, FLAGS, 64)
-void HELPER(gvec_vfms64s)(void *v1, const void *v2, const void *v3,
- const void *v4, CPUS390XState *env, uint32_t desc)
-{
- vfma64(v1, v2, v3, v4, env, true, float_muladd_negate_c, GETPC());
-}
+DEF_GVEC_VFMA(vfma, 0)
+DEF_GVEC_VFMA(vfms, float_muladd_negate_c)
void HELPER(gvec_vftci64)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)