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size reduction merge 

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Merge remote-tracking branch 'remotes/rth/tags/tcg-next-20150505' into staging

size reduction merge

# gpg: Signature made Wed May  6 00:21:43 2015 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/tcg-next-20150505:
  tcg: optimise memory layout of TCGTemp

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-05-06 11:16:35 +01:00
parent 233353ec93 00c8fa9ffe
commit 38003aee19
1 changed files with 14 additions and 12 deletions
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26
tcg/tcg.h
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@ -417,20 +417,19 @@ static inline TCGCond tcg_high_cond(TCGCond c)
}
}
#define TEMP_VAL_DEAD 0
#define TEMP_VAL_REG 1
#define TEMP_VAL_MEM 2
#define TEMP_VAL_CONST 3
typedef enum TCGTempVal {
TEMP_VAL_DEAD,
TEMP_VAL_REG,
TEMP_VAL_MEM,
TEMP_VAL_CONST,
} TCGTempVal;
/* XXX: optimize memory layout */
typedef struct TCGTemp {
TCGType base_type;
TCGType type;
int val_type;
int reg;
tcg_target_long val;
int mem_reg;
intptr_t mem_offset;
unsigned int reg:8;
unsigned int mem_reg:8;
TCGTempVal val_type:8;
TCGType base_type:8;
TCGType type:8;
unsigned int fixed_reg:1;
unsigned int mem_coherent:1;
unsigned int mem_allocated:1;
@ -438,6 +437,9 @@ typedef struct TCGTemp {
basic blocks. Otherwise, it is not
preserved across basic blocks. */
unsigned int temp_allocated:1; /* never used for code gen */
tcg_target_long val;
intptr_t mem_offset;
const char *name;
} TCGTemp;