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start integrating RAMem references

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This commit is contained in:
Quentin Carbonneaux 2015-10-23 13:50:26 -04:00
parent b33febc25c
commit 04b66d38db
6 changed files with 48 additions and 20 deletions
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10
lisc/lisc.h
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@ -80,7 +80,7 @@ struct Ref {
enum Alt {
AType,
ACall,
ASlot,
AMem,
AShift = 12,
AMask = (1<<AShift) - 1
@ -89,11 +89,12 @@ enum Alt {
enum {
RTmp,
RCon,
RSlot,
RAlt,
RAType = RAlt + AType,
RACall = RAlt + ACall,
RASlot = RAlt + ASlot,
RAMem = RAlt + AMem,
NRef = (1<<14) - 1
};
@ -102,10 +103,11 @@ enum {
#define TMP(x) (Ref){RTmp, x}
#define CON(x) (Ref){RCon, x}
#define CON_Z CON(0) /* reserved zero constant */
#define SLOT(x) (Ref){RSlot, x}
#define TYPE(x) (Ref){RAlt, (x)|(AType<<AShift)}
#define CALL(x) (Ref){RAlt, (x)|(ACall<<AShift)}
#define SLOT(x) (assert(x<(1<<(AShift-1)) && "too many slots"), \
(Ref){RAlt, (x)|(ASlot<<AShift)})
#define MEM(x) (assert(x<(1<<(AShift-1)) && "too many mems"), \
(Ref){RAlt, (x)|(AMem<<AShift)})
static inline int req(Ref a, Ref b)
{ return a.type == b.type && a.val == b.val; }