diff mbox series

[v1,06/20] s390x/tcg: Implement 32/128 bit for VECTOR FP MULTIPLY

Message ID 20200930145523.71087-7-david@redhat.com
State New
Headers show
Series s390x/tcg: Implement Vector enhancements facility and switch to z14 | expand

Commit Message

David Hildenbrand Sept. 30, 2020, 2:55 p.m. UTC 
Just like VECTOR FP ADD.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/helper.h           |  3 +++
 target/s390x/translate_vx.c.inc | 18 +++++++++++++++++-
 target/s390x/vec_fpu_helper.c   | 28 +++++++++++++++-------------
 3 files changed, 35 insertions(+), 14 deletions(-)
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Patch

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 3dfd480fc1..a7a902ed9c 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -285,8 +285,11 @@  DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vfll32s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vflr64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfm32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfm32s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_5(gvec_vfm64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_5(gvec_vfm64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
+DEF_HELPER_FLAGS_5(gvec_vfm128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_6(gvec_vfma64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_6(gvec_vfma64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc
index ea1b2732bc..65385ce5ee 100644
--- a/target/s390x/translate_vx.c.inc
+++ b/target/s390x/translate_vx.c.inc
@@ -2546,7 +2546,23 @@  static DisasJumpType op_vfa(DisasContext *s, DisasOps *o)
         }
         break;
     case 0xe7:
-        fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;
+        switch (fpf) {
+        case FPF_SHORT:
+            if (s390_has_feat(S390_FEAT_VECTOR_ENH)) {
+                fn = se ? gen_helper_gvec_vfm32s : gen_helper_gvec_vfm32;
+            }
+            break;
+        case FPF_LONG:
+            fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;
+            break;
+        case FPF_EXT:
+            if (s390_has_feat(S390_FEAT_VECTOR_ENH)) {
+                fn = gen_helper_gvec_vfm128;
+            }
+            break;
+        default:
+            break;
+        }
         break;
     case 0xe2:
         fn = se ? gen_helper_gvec_vfs64s : gen_helper_gvec_vfs64;
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index cfa143b62a..335d540622 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -531,22 +531,24 @@  void HELPER(gvec_vflr64s)(void *v1, const void *v2, CPUS390XState *env,
     vflr64(v1, v2, env, true, XxC, erm, GETPC());
 }
 
-static uint64_t vfm64(uint64_t a, uint64_t b, float_status *s)
-{
-    return float64_mul(a, b, s);
-}
-
-void HELPER(gvec_vfm64)(void *v1, const void *v2, const void *v3,
-                        CPUS390XState *env, uint32_t desc)
-{
-    vop64_3(v1, v2, v3, env, false, vfm64, GETPC());
+#define DEF_GVEC_FVM(BITS)                                                     \
+void HELPER(gvec_vfm##BITS)(void *v1, const void *v2, const void *v3,          \
+                            CPUS390XState *env, uint32_t desc)                 \
+{                                                                              \
+    vop##BITS##_3(v1, v2, v3, env, false, float##BITS##_mul, GETPC());         \
 }
+DEF_GVEC_FVM(32)
+DEF_GVEC_FVM(64)
+DEF_GVEC_FVM(128)
 
-void HELPER(gvec_vfm64s)(void *v1, const void *v2, const void *v3,
-                         CPUS390XState *env, uint32_t desc)
-{
-    vop64_3(v1, v2, v3, env, true, vfm64, GETPC());
+#define DEF_GVEC_FVM_S(BITS)                                                   \
+void HELPER(gvec_vfm##BITS##s)(void *v1, const void *v2, const void *v3,       \
+                               CPUS390XState *env, uint32_t desc)              \
+{                                                                              \
+    vop##BITS##_3(v1, v2, v3, env, true, float##BITS##_mul, GETPC());          \
 }
+DEF_GVEC_FVM_S(32)
+DEF_GVEC_FVM_S(64)
 
 static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3,
                    const S390Vector *v4, CPUS390XState *env, bool s, int flags,