diff mbox

[v2,18/24] target-sparc: Directly implement easy ldf/stf asis

Message ID 1456261920-29900-19-git-send-email-rth@twiddle.net
State New
Headers show

Commit Message

Richard Henderson Feb. 23, 2016, 9:11 p.m. UTC 
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-sparc/translate.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
diff mbox

Patch

diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index a023754..0621c06 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2268,10 +2268,32 @@  static void gen_ldf_asi(DisasContext *dc, TCGv addr,
                         int insn, int size, int rd)
 {
     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
+    TCGv_i32 d32;
 
     switch (da.type) {
     case GET_ASI_EXCP:
         break;
+
+    case GET_ASI_DIRECT:
+        switch (size) {
+        case 4:
+            d32 = gen_dest_fpr_F(dc);
+            tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
+            gen_store_fpr_F(dc, rd, d32);
+            break;
+        case 8:
+            tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+            break;
+        case 16:
+            tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+            tcg_gen_addi_tl(addr, addr, 8);
+            tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
+            break;
+        default:
+            g_assert_not_reached();
+        }
+        break;
+
     default:
         {
             TCGv_i32 r_asi = tcg_const_i32(da.asi);
@@ -2292,10 +2314,31 @@  static void gen_stf_asi(DisasContext *dc, TCGv addr,
                         int insn, int size, int rd)
 {
     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
+    TCGv_i32 d32;
 
     switch (da.type) {
     case GET_ASI_EXCP:
         break;
+
+    case GET_ASI_DIRECT:
+        switch (size) {
+        case 4:
+            d32 = gen_load_fpr_F(dc, rd);
+            tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
+            break;
+        case 8:
+            tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+            break;
+        case 16:
+            tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+            tcg_gen_addi_tl(addr, addr, 8);
+            tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
+            break;
+        default:
+            g_assert_not_reached();
+        }
+        break;
+
     default:
         {
             TCGv_i32 r_asi = tcg_const_i32(da.asi);