diff options
Diffstat (limited to 'lisc/lisc.h')
| -rw-r--r-- | lisc/lisc.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lisc/lisc.h b/lisc/lisc.h index abf9c1f..3ae5c56 100644 --- a/lisc/lisc.h +++ b/lisc/lisc.h @@ -18,7 +18,7 @@ typedef struct Fn Fn; typedef enum { U, F, T } B3; -enum { +enum Reg { RXX, RAX, /* caller-save */ @@ -56,8 +56,9 @@ enum { R14D, R15D, - // NReg = R15 - RAX + 1 - NReg = 3 /* for test purposes */ + Tmp0, /* first non-reg temporary */ + + NReg = RDX - RAX + 1 }; #define RWORD(r) (r + (EAX-RAX)) @@ -90,7 +91,6 @@ enum { RTmp, RCon, RSlot, - RReg, NRef = (1<<14) - 1 }; @@ -99,14 +99,13 @@ enum { #define CON(x) (Ref){RCon, x} #define CON_Z CON(0) /* reserved zero constant */ #define SLOT(x) (Ref){RSlot, x} -#define REG(x) (Ref){RReg, x} static inline int req(Ref a, Ref b) { return a.type == b.type && a.val == b.val; } static inline int rtype(Ref r) { return req(r, R) ? -1 : r.type; } -enum { +enum Cmp { Ceq, Csle, Cslt, @@ -118,7 +117,7 @@ enum { #define COP(c) (c==Ceq||c==Cne ? c : NCmp-1 - c) -enum { +enum Op { OXXX, /* public instructions */ @@ -154,7 +153,7 @@ enum { NOp }; -enum { +enum Jmp { JXXX, JRet, JJmp, @@ -211,6 +210,7 @@ struct Tmp { TUndef, TWord, TLong, + TReg, } type; char name[NString]; uint ndef, nuse; |