From 9440e28b68b50f537f2b95cc8e1cf74a02f2cadd Mon Sep 17 00:00:00 2001
From: Denis Drakhnya <numas13@gmail.com>
Date: Sat, 16 Jan 2021 16:19:56 +0200
Subject: [PATCH] e2k: Add psign{b,h,w} instrs.

---
 target/e2k/helper.h        |  5 +++++
 target/e2k/helper_vec.c    | 10 ++++++++++
 target/e2k/translate/alc.c |  6 +++---
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/target/e2k/helper.h b/target/e2k/helper.h
index 989589afc7..ac4fc55289 100644
--- a/target/e2k/helper.h
+++ b/target/e2k/helper.h
@@ -96,6 +96,11 @@ DEF_HELPER_2(pmullh, i64, i64, i64)
 DEF_HELPER_2(pmulhuh, i64, i64, i64)
 DEF_HELPER_2(pmulubhh, i64, i64, i64)
 
+/* Packed Sign Mul */
+DEF_HELPER_2(psignb, i64, i64, i64)
+DEF_HELPER_2(psignh, i64, i64, i64)
+DEF_HELPER_2(psignw, i64, i64, i64)
+
 /* Packed Move Mask */
 DEF_HELPER_2(pmovmskb, i64, i64, i64)
 DEF_HELPER_2(pmovmskps, i64, i64, i64)
diff --git a/target/e2k/helper_vec.c b/target/e2k/helper_vec.c
index d42a12137f..e32714f67d 100644
--- a/target/e2k/helper_vec.c
+++ b/target/e2k/helper_vec.c
@@ -63,6 +63,10 @@ typedef union {
     }
 #define GEN_HELPER_PACKED(name, type, code) \
     GEN_HELPER_PACKED_N(name, vec64_len(type), code)
+#define GEN_HELPER_PACKED_OP(name, type, op) \
+    GEN_HELPER_PACKED_N(name, vec64_len(type), { \
+        dst.type[i] = op(s1.type[i], s2.type[i]); \
+    })
 #define GEN_HELPER_PACKED_SCALAR(name, type, code) \
     uint64_t HELPER(name)(uint64_t src1, uint64_t s2) \
     { \
@@ -184,6 +188,12 @@ GEN_HELPER_PACKED(pmulubhh, uh, { \
     dst.uh[i] = (((int16_t) s1.ub[i] * s2.sh[i]) + s1.ub[i]) >> 8; \
 })
 
+#define mul_sign(a, b) ((b) < 0 ? -(a) : ((b) > 0 ? (a) : 0))
+
+GEN_HELPER_PACKED_OP(psignb, sb, mul_sign)
+GEN_HELPER_PACKED_OP(psignh, sh, mul_sign)
+GEN_HELPER_PACKED_OP(psignw, sw, mul_sign)
+
 #define MOVMASK(mask_type, type) { \
     dst.mask_type[0] |= (s1.type[i] < 0) << (i + glue(vec64_, type)); \
     dst.mask_type[0] |= (s2.type[i] < 0) << (i                     ); \
diff --git a/target/e2k/translate/alc.c b/target/e2k/translate/alc.c
index eb39671f1b..2083b5193f 100644
--- a/target/e2k/translate/alc.c
+++ b/target/e2k/translate/alc.c
@@ -3113,6 +3113,9 @@ static void gen_op(DisasContext *ctx, Instr *instr)
     case OP_PMADDH: gen_alopf1_ddd(instr, gen_helper_pmaddh); break;
     case OP_PMADDUBSH: gen_alopf1_ddd(instr, gen_helper_pmaddubsh); break;
     case OP_PSADBW: gen_alopf1_ddd(instr, gen_helper_psadbw); break;
+    case OP_PSIGNB: gen_alopf1_ddd(instr, gen_helper_psignb); break;
+    case OP_PSIGNH: gen_alopf1_ddd(instr, gen_helper_psignh); break;
+    case OP_PSIGNW: gen_alopf1_ddd(instr, gen_helper_psignw); break;
     case OP_PSLLH: gen_alopf1_ddd(instr, gen_helper_psllh); break;
     case OP_PSLLW: gen_alopf1_ddd(instr, gen_helper_psllw); break;
     case OP_PSLLD: gen_alopf1_ddd(instr, tcg_gen_shl_i64); break;
@@ -3440,9 +3443,6 @@ static void gen_op(DisasContext *ctx, Instr *instr)
     case OP_PFADDSUBS:
     case OP_PFSTOIFS:
     case OP_PFDTOIFD:
-    case OP_PSIGNB:
-    case OP_PSIGNH:
-    case OP_PSIGNW:
     case OP_PMULHRSH:
     case OP_PHMINPOSUH:
     case OP_PUTTST: