s390x/tcg: Implement VECTOR FP CONVERT TO FIXED 64-BIT

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index 181378e167..e7251aca04 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -323,3 +323,26 @@ void HELPER(gvec_vcdlg64s)(void *v1, const void *v2, CPUS390XState *env,
 
     vop64_2(v1, v2, env, true, XxC, erm, vcdlg64, GETPC());
 }
+
+static uint64_t vcgd64(uint64_t a, float_status *s)
+{
+    return float64_to_int64(a, s);
+}
+
+void HELPER(gvec_vcgd64)(void *v1, const void *v2, CPUS390XState *env,
+                         uint32_t desc)
+{
+    const uint8_t erm = extract32(simd_data(desc), 4, 4);
+    const bool XxC = extract32(simd_data(desc), 2, 1);
+
+    vop64_2(v1, v2, env, false, XxC, erm, vcgd64, GETPC());
+}
+
+void HELPER(gvec_vcgd64s)(void *v1, const void *v2, CPUS390XState *env,
+                          uint32_t desc)
+{
+    const uint8_t erm = extract32(simd_data(desc), 4, 4);
+    const bool XxC = extract32(simd_data(desc), 2, 1);
+
+    vop64_2(v1, v2, env, true, XxC, erm, vcgd64, GETPC());
+}