diff mbox series

[v5,42/57] tcg/tci: Split out tcg_out_op_r[iI]

Message ID 20210311143958.562625-43-richard.henderson@linaro.org
State Superseded
Headers show
Series TCI fixes and cleanups | expand

Commit Message

Richard Henderson March 11, 2021, 2:39 p.m. UTC
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 tcg/tci/tcg-target.c.inc | 50 ++++++++++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 15 deletions(-)

-- 
2.25.1

Comments

Philippe Mathieu-Daudé March 16, 2021, 11:39 p.m. UTC | #1
"And support mov_i64 on 32-bit host"?

On 3/11/21 3:39 PM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  tcg/tci/tcg-target.c.inc | 50 ++++++++++++++++++++++++++++------------

>  1 file changed, 35 insertions(+), 15 deletions(-)


Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>


>  static void tcg_out_movi(TCGContext *s, TCGType type,

> -                         TCGReg t0, tcg_target_long arg)

> +                         TCGReg ret, tcg_target_long arg)

>  {

> -    uint8_t *old_code_ptr = s->code_ptr;

> -    uint32_t arg32 = arg;

> -    if (type == TCG_TYPE_I32 || arg == arg32) {

> -        tcg_out_op_t(s, INDEX_op_tci_movi_i32);

> -        tcg_out_r(s, t0);

> -        tcg_out32(s, arg32);

> -    } else {

> -        tcg_debug_assert(type == TCG_TYPE_I64);

> +    switch (type) {

> +    case TCG_TYPE_I32:

> +        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);

> +        break;

>  #if TCG_TARGET_REG_BITS == 64

> -        tcg_out_op_t(s, INDEX_op_tci_movi_i64);

> -        tcg_out_r(s, t0);

> -        tcg_out64(s, arg);

> -#else

> -        TODO();

> +    case TCG_TYPE_I64:

> +        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);

> +        break;

>  #endif

> +    default:

> +        g_assert_not_reached();

>      }

> -    old_code_ptr[1] = s->code_ptr - old_code_ptr;

>  }

>  

>  static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)

>
Richard Henderson March 17, 2021, 3:59 a.m. UTC | #2
On 3/16/21 5:39 PM, Philippe Mathieu-Daudé wrote:
> "And support mov_i64 on 32-bit host"?


Um, no...

>> +    case TCG_TYPE_I32:

>> +        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);

>> +        break;

>>   #if TCG_TARGET_REG_BITS == 64

>> +    case TCG_TYPE_I64:

>> +        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);

>> +        break;

>>   #endif

>> +    default:

>> +        g_assert_not_reached();


... aborting if it happens.


r~
Philippe Mathieu-Daudé March 17, 2021, 5:15 p.m. UTC | #3
On 3/17/21 4:59 AM, Richard Henderson wrote:
> On 3/16/21 5:39 PM, Philippe Mathieu-Daudé wrote:

>> "And support mov_i64 on 32-bit host"?

> 

> Um, no...

> 

>>> +    case TCG_TYPE_I32:

>>> +        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);

>>> +        break;

>>>   #if TCG_TARGET_REG_BITS == 64

>>> +    case TCG_TYPE_I64:

>>> +        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);

>>> +        break;

>>>   #endif

>>> +    default:

>>> +        g_assert_not_reached();

> 

> ... aborting if it happens.


Oh indeed. All good then.
diff mbox series

Patch

diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index e4a5872b2a..c2d2bd24d7 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -324,6 +324,31 @@  static void tcg_out_op_np(TCGContext *s, TCGOpcode op,
     old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
+static void tcg_out_op_ri(TCGContext *s, TCGOpcode op, TCGReg r0, int32_t i1)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out32(s, i1);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+#if TCG_TARGET_REG_BITS == 64
+static void tcg_out_op_rI(TCGContext *s, TCGOpcode op,
+                          TCGReg r0, uint64_t i1)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out64(s, i1);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+#endif
+
 static void tcg_out_op_rr(TCGContext *s, TCGOpcode op, TCGReg r0, TCGReg r1)
 {
     uint8_t *old_code_ptr = s->code_ptr;
@@ -550,25 +575,20 @@  static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
 }
 
 static void tcg_out_movi(TCGContext *s, TCGType type,
-                         TCGReg t0, tcg_target_long arg)
+                         TCGReg ret, tcg_target_long arg)
 {
-    uint8_t *old_code_ptr = s->code_ptr;
-    uint32_t arg32 = arg;
-    if (type == TCG_TYPE_I32 || arg == arg32) {
-        tcg_out_op_t(s, INDEX_op_tci_movi_i32);
-        tcg_out_r(s, t0);
-        tcg_out32(s, arg32);
-    } else {
-        tcg_debug_assert(type == TCG_TYPE_I64);
+    switch (type) {
+    case TCG_TYPE_I32:
+        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);
+        break;
 #if TCG_TARGET_REG_BITS == 64
-        tcg_out_op_t(s, INDEX_op_tci_movi_i64);
-        tcg_out_r(s, t0);
-        tcg_out64(s, arg);
-#else
-        TODO();
+    case TCG_TYPE_I64:
+        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);
+        break;
 #endif
+    default:
+        g_assert_not_reached();
     }
-    old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
 static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)