diff options
Diffstat (limited to 'all.h')
| -rw-r--r-- | all.h | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/all.h b/all.h index a40627c..1ccf053 100644 --- a/all.h +++ b/all.h @@ -29,6 +29,18 @@ typedef struct Typ Typ; typedef struct Seg Seg; typedef struct Dat Dat; +enum { + NString = 32, + NPred = 63, + NIns = 8192, + NAlign = 3, + NSeg = 32, + NTyp = 128, + NBit = CHAR_BIT * sizeof(bits), +}; + +#define BIT(n) ((bits)1 << (n)) + enum Reg { RXX, @@ -48,8 +60,9 @@ enum Reg { R14, R15, - RBP, /* reserved */ + RBP, /* globally live */ RSP, +#define RGLOB (BIT(RBP)|BIT(RSP)) XMM0, /* sse */ XMM1, @@ -70,7 +83,8 @@ enum Reg { Tmp0, /* first non-reg temporary */ - NIReg = R15 - RAX + 1, + NRGlob = 2, + NIReg = R15 - RAX + 1 + NRGlob, NFReg = XMM14 - XMM0 + 1, /* XMM15 is reserved */ NISave = R11 - RAX + 1, NFSave = NFReg, @@ -78,19 +92,8 @@ enum Reg { NRClob = R15 - RBX + 1, }; -enum { - NString = 32, - NPred = 63, - NIns = 8192, - NAlign = 3, - NSeg = 32, - NTyp = 128, - NBit = CHAR_BIT * sizeof(bits), -}; - MAKESURE(NBit_is_enough, NBit >= (int)Tmp0); -#define BIT(n) ((bits)1 << (n)) struct BSet { uint nt; @@ -388,7 +391,7 @@ struct Tmp { Use *use; uint ndef, nuse; uint cost; - short slot; + short slot; /* -1 for unset */ short cls; struct { int r; |