diff mbox series

[v2,46/76] target/microblaze: Convert dec_imm to decodetree

Message ID 20200828141929.77854-47-richard.henderson@linaro.org
State Superseded
Headers show
Series target/microblaze improvements | expand

Commit Message

Richard Henderson Aug. 28, 2020, 2:18 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/microblaze/insns.decode |  2 ++
 target/microblaze/translate.c  | 18 +++++++++---------
 2 files changed, 11 insertions(+), 9 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode
index 4644defbfe..ad15c16f9b 100644
--- a/target/microblaze/insns.decode
+++ b/target/microblaze/insns.decode
@@ -79,6 +79,8 @@  cmpu            000101 ..... ..... ..... 000 0000 0011  @typea
 idiv            010010 ..... ..... ..... 000 0000 0000  @typea
 idivu           010010 ..... ..... ..... 000 0000 0010  @typea
 
+imm             101100 00000 00000 imm:16
+
 mul             010000 ..... ..... ..... 000 0000 0000  @typea
 mulh            010000 ..... ..... ..... 000 0000 0001  @typea
 mulhu           010000 ..... ..... ..... 000 0000 0011  @typea
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 964525f75e..54de136a16 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -477,6 +477,15 @@  static void gen_idivu(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
 DO_TYPEA_CFG(idiv, use_div, true, gen_idiv)
 DO_TYPEA_CFG(idivu, use_div, true, gen_idivu)
 
+static bool trans_imm(DisasContext *dc, arg_imm *arg)
+{
+    dc->ext_imm = arg->imm << 16;
+    tcg_gen_movi_i32(cpu_imm, dc->ext_imm);
+    dc->tb_flags |= IMM_FLAG;
+    dc->clear_imm = 0;
+    return true;
+}
+
 static void gen_mulh(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
 {
     TCGv_i32 tmp = tcg_temp_new_i32();
@@ -848,14 +857,6 @@  static inline void sync_jmpstate(DisasContext *dc)
     }
 }
 
-static void dec_imm(DisasContext *dc)
-{
-    dc->ext_imm = dc->imm << 16;
-    tcg_gen_movi_i32(cpu_imm, dc->ext_imm);
-    dc->tb_flags |= IMM_FLAG;
-    dc->clear_imm = 0;
-}
-
 static inline void compute_ldst_addr(DisasContext *dc, bool ea, TCGv t)
 {
     /* Should be set to true if r1 is used by loadstores.  */
@@ -1561,7 +1562,6 @@  static struct decoder_info {
 } decinfo[] = {
     {DEC_LD, dec_load},
     {DEC_ST, dec_store},
-    {DEC_IMM, dec_imm},
     {DEC_BR, dec_br},
     {DEC_BCC, dec_bcc},
     {DEC_RTS, dec_rts},