[06/13] tcg: improve tcg_reg_alloc_movi()

Submitted by Aurelien Jarno on Sept. 27, 2012, 5:15 p.m.

Details

Message ID 1348766113-18373-7-git-send-email-aurelien@aurel32.net
State New
Headers show

Commit Message

Aurelien Jarno Sept. 27, 2012, 5:15 p.m.
Now that the liveness analysis might mark some output temps as dead, call
temp_dead() if needed.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 tcg/tcg.c |    3 +++
 1 file changed, 3 insertions(+)

Comments

Richard Henderson Sept. 27, 2012, 6:55 p.m.
On 09/27/2012 10:15 AM, Aurelien Jarno wrote:
> +++ b/tcg/tcg.c
> @@ -1658,6 +1658,9 @@ static void tcg_reg_alloc_movi(TCGContext *s, const TCGArg *args,
>      if (NEED_SYNC_ARG(0)) {
>          temp_sync(s, args[0], s->reserved_regs);
>      }
> +    if (IS_DEAD_ARG(0)) {
> +        temp_dead(s, args[0]);
> +    }
>  }

Same comment re ordering the DEAD/SYNC tests.  Otherwise,

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~

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diff --git a/tcg/tcg.c b/tcg/tcg.c
index 49e2478..bfe6411 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1658,6 +1658,9 @@  static void tcg_reg_alloc_movi(TCGContext *s, const TCGArg *args,
     if (NEED_SYNC_ARG(0)) {
         temp_sync(s, args[0], s->reserved_regs);
     }
+    if (IS_DEAD_ARG(0)) {
+        temp_dead(s, args[0]);
+    }
 }
 
 static void tcg_reg_alloc_mov(TCGContext *s, const TCGOpDef *def,