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[12/21] tcg: Add TCGV_UNUSED_PTR, TCGV_IS_UNUSED_PTR, TCGV_EQUAL_PTR

Message ID 1390764312-21789-13-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Jan. 26, 2014, 7:25 p.m. UTC 
We have macros for marking TCGv values as unused, checking if they
are unused and comparing them to each other. However these only exist
for TCGv_i32 and TCGv_i64; add them for TCGv_ptr as well.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 tcg/tcg.h | 3 +++
 1 file changed, 3 insertions(+)

Comments

Richard Henderson Jan. 28, 2014, 5:23 p.m. UTC | #1 
On 01/26/2014 11:25 AM, Peter Maydell wrote:
> We have macros for marking TCGv values as unused, checking if they
> are unused and comparing them to each other. However these only exist
> for TCGv_i32 and TCGv_i64; add them for TCGv_ptr as well.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  tcg/tcg.h | 3 +++
>  1 file changed, 3 insertions(+)

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


r~
diff mbox

Patch

diff --git a/tcg/tcg.h b/tcg/tcg.h
index c72af6c..f7efcb4 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -324,13 +324,16 @@  typedef int TCGv_i64;
 
 #define TCGV_EQUAL_I32(a, b) (GET_TCGV_I32(a) == GET_TCGV_I32(b))
 #define TCGV_EQUAL_I64(a, b) (GET_TCGV_I64(a) == GET_TCGV_I64(b))
+#define TCGV_EQUAL_PTR(a, b) (GET_TCGV_PTR(a) == GET_TCGV_PTR(b))
 
 /* Dummy definition to avoid compiler warnings.  */
 #define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1)
 #define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1)
+#define TCGV_UNUSED_PTR(x) x = MAKE_TCGV_PTR(-1)
 
 #define TCGV_IS_UNUSED_I32(x) (GET_TCGV_I32(x) == -1)
 #define TCGV_IS_UNUSED_I64(x) (GET_TCGV_I64(x) == -1)
+#define TCGV_IS_UNUSED_PTR(x) (GET_TCGV_PTR(x) == -1)
 
 /* call flags */
 /* Helper does not read globals (either directly or through an exception). It