sam/libqbe
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

change Ref to a struct

Browse source
This commit is contained in:
Quentin Carbonneaux 2015-07-15 12:41:51 -04:00
parent 065565be83
commit 17e48f5221
3 changed files with 34 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

25
lisc/lisc.h
View file

@ -7,7 +7,6 @@ typedef unsigned short ushort;
typedef unsigned char uchar;
enum {
R = 0, /* invalid reference */
NReg = 32,
Tmp0 = NReg+1,
NString = 32,
@ -22,19 +21,29 @@ typedef struct Phi Phi;
typedef struct Blk Blk;
typedef struct Sym Sym;
typedef struct Fn Fn;
typedef ushort Ref;
typedef struct Ref Ref;
struct Ref {
ushort type:1;
ushort val:15;
};
static inline int
req(Ref a, Ref b)
{
return a.type == b.type && a.val == b.val;
}
#define R (Ref){0, 0} // Invalid reference
enum {
RSym = 0,
RConst = 1,
RMask = 1,
RShift = 1,
NRef = ((ushort)-1)>>RShift,
NRef = ((ushort)-1)>>1,
};
#define SYM(x) (((x)<<RShift) | RSym)
#define CONST(x) (((x)<<RShift) | RConst)
#define SYM(x) (Ref){ RSym, x }
#define CONST(x) (Ref){ RConst, x }
enum {
OXXX,