[v2,075/100] target/arm: Implement SVE2 saturating multiply-add high (indexed)

Message ID 20200618042644.1685561-76-richard.henderson@linaro.org
State New
Headers show
Series
  • target/arm: Implement SVE2
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Commit Message

Richard Henderson June 18, 2020, 4:26 a.m.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/helper-sve.h    | 14 +++++++++++++
 target/arm/sve.decode      |  8 ++++++++
 target/arm/sve_helper.c    | 40 ++++++++++++++++++++++++++++++++++++++
 target/arm/translate-sve.c |  8 ++++++++
 4 files changed, 70 insertions(+)

-- 
2.25.1

Patch

diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index 2929ad48a7..c86dcf0c55 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -2177,3 +2177,17 @@  DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_zzzz_d, TCG_CALL_NO_RWG,
 
 DEF_HELPER_FLAGS_6(fmmla_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_6(fmmla_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_sqrdmlah_idx_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_sqrdmlah_idx_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_sqrdmlah_idx_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_sqrdmlsh_idx_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_sqrdmlsh_idx_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_sqrdmlsh_idx_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 467a93052f..5fc76b7fc3 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -793,6 +793,14 @@  MLS_zzxz_h      01000100 .. 1 ..... 000011 ..... .....          @rrxr_h
 MLS_zzxz_s      01000100 .. 1 ..... 000011 ..... .....          @rrxr_s
 MLS_zzxz_d      01000100 .. 1 ..... 000011 ..... .....          @rrxr_d
 
+# SVE2 saturating multiply-add high (indexed)
+SQRDMLAH_zzxz_h 01000100 .. 1 ..... 000100 ..... .....          @rrxr_h
+SQRDMLAH_zzxz_s 01000100 .. 1 ..... 000100 ..... .....          @rrxr_s
+SQRDMLAH_zzxz_d 01000100 .. 1 ..... 000100 ..... .....          @rrxr_d
+SQRDMLSH_zzxz_h 01000100 .. 1 ..... 000101 ..... .....          @rrxr_h
+SQRDMLSH_zzxz_s 01000100 .. 1 ..... 000101 ..... .....          @rrxr_s
+SQRDMLSH_zzxz_d 01000100 .. 1 ..... 000101 ..... .....          @rrxr_d
+
 # SVE2 integer multiply (indexed)
 MUL_zzx_h       01000100 .. 1 ..... 111110 ..... .....          @rrx_h
 MUL_zzx_s       01000100 .. 1 ..... 111110 ..... .....          @rrx_s
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 24c733fea1..b3a87fb0b7 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -1487,9 +1487,49 @@  DO_CMLA(sve2_sqrdcmlah_zzzz_h, int16_t, H2, DO_SQRDMLAH_H)
 DO_CMLA(sve2_sqrdcmlah_zzzz_s, int32_t, H4, DO_SQRDMLAH_S)
 DO_CMLA(sve2_sqrdcmlah_zzzz_d, int64_t,   , DO_SQRDMLAH_D)
 
+#undef DO_SQRDMLAH_B
+#undef DO_SQRDMLAH_H
+#undef DO_SQRDMLAH_S
+#undef DO_SQRDMLAH_D
 #undef do_cmla
 #undef DO_CMLA
 
+#define DO_ZZXZ(NAME, TYPE, H, OP) \
+void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \
+{                                                                       \
+    intptr_t oprsz = simd_oprsz(desc), segment = 16 / sizeof(TYPE);     \
+    intptr_t i, j, idx = simd_data(desc);                               \
+    TYPE *d = vd, *a = va, *n = vn, *m = (TYPE *)vm + H(idx);           \
+    for (i = 0; i < oprsz / sizeof(TYPE); i += segment) {               \
+        TYPE mm = m[i];                                                 \
+        for (j = 0; j < segment; j++) {                                 \
+            d[i + j] = OP(n[i + j], mm, a[i + j]);                      \
+        }                                                               \
+    }                                                                   \
+}
+
+#define DO_SQRDMLAH_H(N, M, A) \
+    ({ uint32_t discard; do_sqrdmlah_h(N, M, A, false, true, &discard); })
+#define DO_SQRDMLAH_S(N, M, A) \
+    ({ uint32_t discard; do_sqrdmlah_s(N, M, A, false, true, &discard); })
+#define DO_SQRDMLAH_D(N, M, A) do_sqrdmlah_d(N, M, A, false, true)
+
+DO_ZZXZ(sve2_sqrdmlah_idx_h, int16_t, H2, DO_SQRDMLAH_H)
+DO_ZZXZ(sve2_sqrdmlah_idx_s, int32_t, H4, DO_SQRDMLAH_S)
+DO_ZZXZ(sve2_sqrdmlah_idx_d, int64_t,   , DO_SQRDMLAH_D)
+
+#define DO_SQRDMLSH_H(N, M, A) \
+    ({ uint32_t discard; do_sqrdmlah_h(N, M, A, true, true, &discard); })
+#define DO_SQRDMLSH_S(N, M, A) \
+    ({ uint32_t discard; do_sqrdmlah_s(N, M, A, true, true, &discard); })
+#define DO_SQRDMLSH_D(N, M, A) do_sqrdmlah_d(N, M, A, true, true)
+
+DO_ZZXZ(sve2_sqrdmlsh_idx_h, int16_t, H2, DO_SQRDMLSH_H)
+DO_ZZXZ(sve2_sqrdmlsh_idx_s, int32_t, H4, DO_SQRDMLSH_S)
+DO_ZZXZ(sve2_sqrdmlsh_idx_d, int64_t,   , DO_SQRDMLSH_D)
+
+#undef DO_ZZXZ
+
 #define DO_BITPERM(NAME, TYPE, OP) \
 void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
 {                                                              \
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 0fb88f4aa5..2903e46f91 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3891,6 +3891,14 @@  DO_SVE2_RRXR(trans_MLS_zzxz_h, gen_helper_gvec_mls_idx_h)
 DO_SVE2_RRXR(trans_MLS_zzxz_s, gen_helper_gvec_mls_idx_s)
 DO_SVE2_RRXR(trans_MLS_zzxz_d, gen_helper_gvec_mls_idx_d)
 
+DO_SVE2_RRXR(trans_SQRDMLAH_zzxz_h, gen_helper_sve2_sqrdmlah_idx_h)
+DO_SVE2_RRXR(trans_SQRDMLAH_zzxz_s, gen_helper_sve2_sqrdmlah_idx_s)
+DO_SVE2_RRXR(trans_SQRDMLAH_zzxz_d, gen_helper_sve2_sqrdmlah_idx_d)
+
+DO_SVE2_RRXR(trans_SQRDMLSH_zzxz_h, gen_helper_sve2_sqrdmlsh_idx_h)
+DO_SVE2_RRXR(trans_SQRDMLSH_zzxz_s, gen_helper_sve2_sqrdmlsh_idx_s)
+DO_SVE2_RRXR(trans_SQRDMLSH_zzxz_d, gen_helper_sve2_sqrdmlsh_idx_d)
+
 #undef DO_SVE2_RRXR
 
 /*