diff options
Diffstat (limited to 'ir.h')
| -rw-r--r-- | ir.h | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -45,7 +45,10 @@ struct xcon { struct abiarg { union irtype ty; - short reg; /* -1 -> stack */ + union { + short reg; /* >= 0 */ + short stk; /* < 0 */ + }; }; struct call { @@ -66,7 +69,6 @@ enum refkind { RNONE, RTMP, /* reference to another instruction's result */ RREG, /* machine register */ - RPARAM, /* function param */ RICON, /* small integer constants */ RXCON, /* other constants (incl. external symbols) */ RMORE, /* Ocall -> calltab idx, Ophi -> phitab idx, else -> addrtab idx */ @@ -140,6 +142,7 @@ struct function { struct mctarg { short gpr0, /* first gpr */ ngpr, /* gpr count */ + spr, /* stack pointer reg */ fpr0, /* first fpr */ nfpr; /* fpr count */ struct bitset rcallee[1], /* callee-saved */ @@ -159,8 +162,9 @@ struct mctarg { * r & cls filled with reg and irclass of each scalar arg * if reg == -1 -> stack * big struct -> returns 0, - * if passed in stack cls[0] == 0, r[0] == -1 - * if passed by pointer cls[0] == KPTR, r[0] contains integer register or -1 if stack + * if passed in stack cls[0] == 0, r[0] == negative SP offset + * if passed by pointer cls[0] == KPTR, r[0] contains integer register + * or negative SP offset if stack */ int (*abiarg)(short r[2], uchar cls[2], int *ni, int *nf, int *ns, union irtype); @@ -188,6 +192,7 @@ extern struct addrtab {vec_of(struct addr);} addrtab; #define mkarginstr(ty, x) mkinstr(Oarg, 0, mktyperef(ty), (x)) void irinit(struct function *); void irfini(struct function *); +#define cls2type(k) ((union irtype){.cls=(k)}) union irtype mkirtype(union type); union ref mkintcon(struct function *, enum irclass, vlong); union ref mkfltcon(struct function *, enum irclass, double); |