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tcg: Add TCGV_UNUSED_PTR, TCGV_IS_UNUSED_PTR, TCGV_EQUAL_PTR 

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>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Peter Maydell 2014-02-08 14:46:55 +00:00
parent 0173a00521
commit c1de788ab9
1 changed files with 3 additions and 0 deletions
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tcg/tcg.h
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@ -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