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add slot addressing and some more spilling

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This commit is contained in:
Quentin Carbonneaux 2015-07-24 09:31:48 -04:00
parent ea811ab7c2
commit 2981a267f4
3 changed files with 121 additions and 70 deletions
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14
lisc/lisc.h
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@ -33,7 +33,7 @@ enum {
R14,
R15,
// NReg = R15 - RAX + 1
NReg = 4 /* for test purposes */
NReg = 3 /* for test purposes */
};
enum {
@ -57,19 +57,21 @@ struct Bits {
#define BCLR(b, n) ((b).t[n/NBit] &= ~(1ll<<(n%NBit)))
struct Ref {
uint16_t type:1;
uint16_t val:15;
uint16_t type:2;
uint16_t val:14;
};
enum {
RSym = 0,
RConst = 1,
NRef = (1<<15) - 1
RSym,
RConst,
RSlot,
NRef = (1<<14) - 1
};
#define R (Ref){0, 0}
#define SYM(x) (Ref){RSym, x}
#define CONST(x) (Ref){RConst, x}
#define SLOT(x) (Ref){RSlot, x}
static inline int req(Ref a, Ref b)
{ return a.type == b.type && a.val == b.val; }