diff mbox series

[v3,60/90] target/sparc: Move ARRAY* to decodetree

Message ID 20231021053158.278135-61-richard.henderson@linaro.org
State Superseded
Headers show
Series target/sparc: Convert to decodetree | expand

Commit Message

Richard Henderson Oct. 21, 2023, 5:31 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/insns.decode |  4 +++
 target/sparc/translate.c  | 54 ++++++++++++++++++++++++---------------
 2 files changed, 37 insertions(+), 21 deletions(-)
diff mbox series

Patch

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 04715cf068..1262b5c7bb 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -248,6 +248,10 @@  RETRY       10 00001 111110 00000 0 0000000000000
     EDGE32N     10 ..... 110110 ..... 0 0000 1001 .....    @r_r_r
     EDGE32Lcc   10 ..... 110110 ..... 0 0000 1010 .....    @r_r_r
     EDGE32LN    10 ..... 110110 ..... 0 0000 1011 .....    @r_r_r
+
+    ARRAY8      10 ..... 110110 ..... 0 0001 0000 .....    @r_r_r
+    ARRAY16     10 ..... 110110 ..... 0 0001 0010 .....    @r_r_r
+    ARRAY32     10 ..... 110110 ..... 0 0001 0100 .....    @r_r_r
   ]
   NCP           10 ----- 110110 ----- --------- -----      # v8 CPop1
 }
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 5c76933970..73c9806119 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -72,6 +72,10 @@  static void gen_helper_st_asi(TCGv_env e, TCGv a, TCGv_i64 r,
     g_assert_not_reached();
 }
 # endif
+static void gen_helper_array8(TCGv r, TCGv a, TCGv b)
+{
+    g_assert_not_reached();
+}
 #endif
 
 /* Dynamic PC, must exit to main loop. */
@@ -721,6 +725,18 @@  static void gen_op_popc(TCGv dst, TCGv src1, TCGv src2)
     tcg_gen_ctpop_tl(dst, src2);
 }
 
+static void gen_op_array16(TCGv dst, TCGv src1, TCGv src2)
+{
+    gen_helper_array8(dst, src1, src2);
+    tcg_gen_shli_tl(dst, dst, 1);
+}
+
+static void gen_op_array32(TCGv dst, TCGv src1, TCGv src2)
+{
+    gen_helper_array8(dst, src1, src2);
+    tcg_gen_shli_tl(dst, dst, 2);
+}
+
 // 1
 static void gen_op_eval_ba(TCGv dst)
 {
@@ -4320,6 +4336,22 @@  TRANS(EDGE16LN, VIS2, gen_edge, a, 16, 0, 1)
 TRANS(EDGE32N, VIS2, gen_edge, a, 32, 0, 0)
 TRANS(EDGE32LN, VIS2, gen_edge, a, 32, 0, 1)
 
+static bool do_rrr(DisasContext *dc, arg_r_r_r *a,
+                   void (*func)(TCGv, TCGv, TCGv))
+{
+    TCGv dst = gen_dest_gpr(dc, a->rd);
+    TCGv src1 = gen_load_gpr(dc, a->rs1);
+    TCGv src2 = gen_load_gpr(dc, a->rs2);
+
+    func(dst, src1, src2);
+    gen_store_gpr(dc, a->rd, dst);
+    return advance_pc(dc);
+}
+
+TRANS(ARRAY8, VIS1, do_rrr, a, gen_helper_array8)
+TRANS(ARRAY16, VIS1, do_rrr, a, gen_op_array16)
+TRANS(ARRAY32, VIS1, do_rrr, a, gen_op_array32)
+
 static bool do_shift_r(DisasContext *dc, arg_shiftr *a, bool l, bool u)
 {
     TCGv dst, src1, src2;
@@ -5230,30 +5262,10 @@  static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                 case 0x009: /* VIS II edge32n */
                 case 0x00a: /* VIS I edge32lcc */
                 case 0x00b: /* VIS II edge32ln */
-                    g_assert_not_reached();  /* in decodetree */
                 case 0x010: /* VIS I array8 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1 = gen_load_gpr(dc, rs1);
-                    cpu_src2 = gen_load_gpr(dc, rs2);
-                    gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x012: /* VIS I array16 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1 = gen_load_gpr(dc, rs1);
-                    cpu_src2 = gen_load_gpr(dc, rs2);
-                    gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
-                    tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x014: /* VIS I array32 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1 = gen_load_gpr(dc, rs1);
-                    cpu_src2 = gen_load_gpr(dc, rs2);
-                    gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
-                    tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
+                    g_assert_not_reached();  /* in decodetree */
                 case 0x018: /* VIS I alignaddr */
                     CHECK_FPU_FEATURE(dc, VIS1);
                     cpu_src1 = gen_load_gpr(dc, rs1);