[PATCH v4 22/47] target/ppc: implement vsraq

[matheus . ferst]

From: Matheus Ferst <matheus.ferst@eldorado.org.br>

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
---
v4:
 -  New in v4.
---
 target/ppc/insn32.decode            |  1 +
 target/ppc/translate/vmx-impl.c.inc | 17 +++++++++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 96ee730242..7a9fc1dffa 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -485,6 +485,7 @@ VSRAB           000100 ..... ..... ..... 01100000100    @VX
 VSRAH           000100 ..... ..... ..... 01101000100    @VX
 VSRAW           000100 ..... ..... ..... 01110000100    @VX
 VSRAD           000100 ..... ..... ..... 01111000100    @VX
+VSRAQ           000100 ..... ..... ..... 01100000101    @VX
 
 ## Vector Integer Arithmetic Instructions
 
diff --git a/target/ppc/translate/vmx-impl.c.inc 
b/target/ppc/translate/vmx-impl.c.inc
index ec2b47b4aa..2eee187499 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -834,7 +834,8 @@ TRANS_FLAGS(ALTIVEC, VSRAH, do_vector_gvec3_VX, MO_16, 
tcg_gen_gvec_sarv);
 TRANS_FLAGS(ALTIVEC, VSRAW, do_vector_gvec3_VX, MO_32, tcg_gen_gvec_sarv);
 TRANS_FLAGS2(ALTIVEC_207, VSRAD, do_vector_gvec3_VX, MO_64, tcg_gen_gvec_sarv);
 
-static bool do_vector_shift_quad(DisasContext *ctx, arg_VX *a, bool right)
+static bool do_vector_shift_quad(DisasContext *ctx, arg_VX *a, bool right,
+                                 bool alg)
 {
     TCGv_i64 hi, lo, tmp, n, sf = tcg_constant_i64(64);
 
@@ -853,6 +854,9 @@ static bool do_vector_shift_quad(DisasContext *ctx, arg_VX 
*a, bool right)
 
     if (right) {
         tcg_gen_movcond_i64(TCG_COND_GE, lo, n, sf, hi, lo);
+        if (alg) {
+            tcg_gen_sari_i64(tmp, lo, 63);
+        }
         tcg_gen_movcond_i64(TCG_COND_GE, hi, n, sf, tmp, hi);
     } else {
         tcg_gen_movcond_i64(TCG_COND_GE, hi, n, sf, lo, hi);
@@ -861,7 +865,11 @@ static bool do_vector_shift_quad(DisasContext *ctx, arg_VX 
*a, bool right)
     tcg_gen_andi_i64(n, n, ~64ULL);
 
     if (right) {
-        tcg_gen_shr_i64(tmp, hi, n);
+        if (alg) {
+            tcg_gen_sar_i64(tmp, hi, n);
+        } else {
+            tcg_gen_shr_i64(tmp, hi, n);
+        }
     } else {
         tcg_gen_shl_i64(tmp, lo, n);
     }
@@ -891,8 +899,9 @@ static bool do_vector_shift_quad(DisasContext *ctx, arg_VX 
*a, bool right)
     return true;
 }
 
-TRANS_FLAGS2(ISA310, VSLQ, do_vector_shift_quad, false);
-TRANS_FLAGS2(ISA310, VSRQ, do_vector_shift_quad, true);
+TRANS_FLAGS2(ISA310, VSLQ, do_vector_shift_quad, false, false);
+TRANS_FLAGS2(ISA310, VSRQ, do_vector_shift_quad, true, false);
+TRANS_FLAGS2(ISA310, VSRAQ, do_vector_shift_quad, true, true);
 
 #define GEN_VXFORM_SAT(NAME, VECE, NORM, SAT, OPC2, OPC3)               \
 static void glue(glue(gen_, NAME), _vec)(unsigned vece, TCGv_vec t,     \
-- 
2.25.1