ref: c76cc12a1799ce214b07882eb6f4ab0906c0151b
dir: /sys/src/cmd/9l/asmout.c/
#include "l.h"
#define OPVCC(o,xo,oe,rc) (((o)<<26)|((xo)<<1)|((oe)<<10)|((rc)&1))
#define OPCC(o,xo,rc) OPVCC((o),(xo),0,(rc))
#define OP(o,xo) OPVCC((o),(xo),0,0)
/* the order is dest, a/s, b/imm for both arithmetic and logical operations */
#define AOP_RRR(op,d,a,b) ((op)|(((d)&31L)<<21)|(((a)&31L)<<16)|(((b)&31L)<<11))
#define AOP_IRR(op,d,a,simm) ((op)|(((d)&31L)<<21)|(((a)&31L)<<16)|((simm)&0xFFFF))
#define LOP_RRR(op,a,s,b) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|(((b)&31L)<<11))
#define LOP_IRR(op,a,s,uimm) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|((uimm)&0xFFFF))
#define OP_BR(op,li,aa) ((op)|((li)&0x03FFFFFC)|((aa)<<1))
#define OP_BC(op,bo,bi,bd,aa) ((op)|(((bo)&0x1F)<<21)|(((bi)&0x1F)<<16)|((bd)&0xFFFC)|((aa)<<1))
#define OP_BCR(op,bo,bi) ((op)|(((bo)&0x1F)<<21)|(((bi)&0x1F)<<16))
#define OP_RLW(op,a,s,sh,mb,me) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|(((sh)&31L)<<11)|\
(((mb)&31L)<<6)|(((me)&31L)<<1))
#define OP_ADD OPVCC(31,266,0,0)
#define OP_ADDI OPVCC(14,0,0,0)
#define OP_ADDIS OPVCC(15,0,0,0)
#define OP_ANDI OPVCC(28,0,0,0)
#define OP_EXTSB OPVCC(31,954,0,0)
#define OP_EXTSH OPVCC(31,922,0,0)
#define OP_EXTSW OPVCC(31,986,0,0)
#define OP_MCRF OPVCC(19,0,0,0)
#define OP_MCRFS OPVCC(63,64,0,0)
#define OP_MCRXR OPVCC(31,512,0,0)
#define OP_MFCR OPVCC(31,19,0,0)
#define OP_MFFS OPVCC(63,583,0,0)
#define OP_MFMSR OPVCC(31,83,0,0)
#define OP_MFSPR OPVCC(31,339,0,0)
#define OP_MFSR OPVCC(31,595,0,0)
#define OP_MFSRIN OPVCC(31,659,0,0)
#define OP_MTCRF OPVCC(31,144,0,0)
#define OP_MTFSF OPVCC(63,711,0,0)
#define OP_MTFSFI OPVCC(63,134,0,0)
#define OP_MTMSR OPVCC(31,146,0,0)
#define OP_MTMSRD OPVCC(31,178,0,0)
#define OP_MTSPR OPVCC(31,467,0,0)
#define OP_MTSR OPVCC(31,210,0,0)
#define OP_MTSRIN OPVCC(31,242,0,0)
#define OP_MULLW OPVCC(31,235,0,0)
#define OP_MULLD OPVCC(31,233,0,0)
#define OP_OR OPVCC(31,444,0,0)
#define OP_ORI OPVCC(24,0,0,0)
#define OP_ORIS OPVCC(25,0,0,0)
#define OP_RLWINM OPVCC(21,0,0,0)
#define OP_SUBF OPVCC(31,40,0,0)
#define OP_RLDIC OPVCC(30,4,0,0)
#define OP_RLDICR OPVCC(30,2,0,0)
#define OP_RLDICL OPVCC(30,0,0,0)
#define oclass(v) ((v).class-1)
long oprrr(int), opirr(int), opload(int), opstore(int), oploadx(int), opstorex(int);
/*
* 32-bit masks
*/
int
getmask(uchar *m, ulong v)
{
int i;
m[0] = m[1] = 0;
if(v != ~0L && v & (1<<31) && v & 1){ /* MB > ME */
if(getmask(m, ~v)){
i = m[0]; m[0] = m[1]+1; m[1] = i-1;
return 1;
}
return 0;
}
for(i=0; i<32; i++)
if(v & (1<<(31-i))){
m[0] = i;
do {
m[1] = i;
} while(++i<32 && (v & (1<<(31-i))) != 0);
for(; i<32; i++)
if(v & (1<<(31-i)))
return 0;
return 1;
}
return 0;
}
void
maskgen(Prog *p, uchar *m, ulong v)
{
if(!getmask(m, v))
diag("cannot generate mask #%lux\n%P", v, p);
}
/*
* 64-bit masks (rldic etc)
*/
int
getmask64(uchar *m, uvlong v)
{
int i;
m[0] = m[1] = 0;
for(i=0; i<64; i++)
if(v & ((uvlong)1<<(63-i))){
m[0] = i;
do {
m[1] = i;
} while(++i<64 && (v & ((uvlong)1<<(63-i))) != 0);
for(; i<64; i++)
if(v & ((uvlong)1<<(63-i)))
return 0;
return 1;
}
return 0;
}
void
maskgen64(Prog *p, uchar *m, uvlong v)
{
if(!getmask64(m, v))
diag("cannot generate mask #%llux\n%P", v, p);
}
static void
reloc(Adr *a, long pc, int sext)
{
if(a->name == D_EXTERN || a->name == D_STATIC)
dynreloc(a->sym, pc, 1, 1, sext);
}
static ulong
loadu32(int r, vlong d)
{
long v;
v = d>>16;
if(isuint32(d))
return LOP_IRR(OP_ORIS, r, REGZERO, v);
return AOP_IRR(OP_ADDIS, r, REGZERO, v);
}
static ulong
rotateleft32(Prog *p, int as, int from, int to)
{
ulong o;
uchar mask[2];
maskgen64(p, mask, 0xFFFFFFFFULL<<32);
if(mask[1] != (63-32))
diag("invalid mask for shift: %llux (shift %d)\n%P", 0xFFFFFFFFULL<<32, 32, p);
o = AOP_RRR(opirr(as), from, to, (32&0x1F));
o |= (mask[0]&31L)<<6 | 1<<1;
assert((mask[0] & 0x20) == 0);
return o;
}
int
asmout(Prog *p, Optab *o, int aflag)
{
long o1, o2, o3, o4, o5, v, t;
vlong d;
Prog *ct;
int r, a;
uchar mask[2];
o1 = 0;
o2 = 0;
o3 = 0;
o4 = 0;
o5 = 0;
switch(o->type) {
default:
if(aflag)
return 0;
diag("unknown type %d", o->type);
if(!debug['a'])
prasm(p);
break;
case 0: /* pseudo ops */
if(aflag) {
if(p->link) {
if(p->as == ATEXT) {
ct = curtext;
o2 = autosize;
curtext = p;
autosize = p->to.offset + 8;
o1 = asmout(p->link, oplook(p->link), aflag);
curtext = ct;
autosize = o2;
} else
o1 = asmout(p->link, oplook(p->link), aflag);
}
return o1;
}
break;
case 1: /* mov r1,r2 ==> OR Rs,Rs,Ra */
if(p->to.reg == REGZERO && p->from.type == D_CONST) {
v = regoff(&p->from);
if(r0iszero && v != 0) {
nerrors--;
diag("literal operation on R0\n%P", p);
}
o1 = LOP_IRR(OP_ADDI, REGZERO, REGZERO, v);
break;
}
o1 = LOP_RRR(OP_OR, p->to.reg, p->from.reg, p->from.reg);
break;
case 2: /* int/cr/fp op Rb,[Ra],Rd */
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, p->from.reg);
break;
case 3: /* mov $soreg/addcon/ucon, r ==> addis/addi $i,reg',r */
d = vregoff(&p->from);
v = d;
r = p->from.reg;
if(r == NREG)
r = o->param;
if(r0iszero && p->to.reg == 0 && (r != 0 || v != 0))
diag("literal operation on R0\n%P", p);
a = OP_ADDI;
if(o->a1 == C_UCON) {
v >>= 16;
if(r == REGZERO && isuint32(d)){
o1 = LOP_IRR(OP_ORIS, p->to.reg, REGZERO, v);
break;
}
a = OP_ADDIS;
}
o1 = AOP_IRR(a, p->to.reg, r, v);
break;
case 4: /* add/mul $scon,[r1],r2 */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
if(r0iszero && p->to.reg == 0)
diag("literal operation on R0\n%P", p);
o1 = AOP_IRR(opirr(p->as), p->to.reg, r, v);
break;
case 5: /* syscall */
if(aflag)
return 0;
o1 = oprrr(p->as);
break;
case 6: /* logical op Rb,[Rs,]Ra; no literal */
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = LOP_RRR(oprrr(p->as), p->to.reg, r, p->from.reg);
break;
case 7: /* mov r, soreg ==> stw o(r) */
r = p->to.reg;
if(r == NREG)
r = o->param;
v = regoff(&p->to);
if(p->to.type == D_OREG && p->reg != NREG) {
if(v)
diag("illegal indexed instruction\n%P", p);
o1 = AOP_RRR(opstorex(p->as), p->from.reg, p->reg, r);
} else
o1 = AOP_IRR(opstore(p->as), p->from.reg, r, v);
break;
case 8: /* mov soreg, r ==> lbz/lhz/lwz o(r) */
r = p->from.reg;
if(r == NREG)
r = o->param;
v = regoff(&p->from);
if(p->from.type == D_OREG && p->reg != NREG) {
if(v)
diag("illegal indexed instruction\n%P", p);
o1 = AOP_RRR(oploadx(p->as), p->to.reg, p->reg, r);
} else
o1 = AOP_IRR(opload(p->as), p->to.reg, r, v);
break;
case 9: /* movb soreg, r ==> lbz o(r),r2; extsb r2,r2 */
r = p->from.reg;
if(r == NREG)
r = o->param;
v = regoff(&p->from);
if(p->from.type == D_OREG && p->reg != NREG) {
if(v)
diag("illegal indexed instruction\n%P", p);
o1 = AOP_RRR(oploadx(p->as), p->to.reg, p->reg, r);
} else
o1 = AOP_IRR(opload(p->as), p->to.reg, r, v);
o2 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0);
break;
case 10: /* sub Ra,[Rb],Rd => subf Rd,Ra,Rb */
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, r);
break;
case 11: /* br/bl lbra */
if(aflag)
return 0;
v = 0;
if(p->cond == UP){
if(p->to.sym->type != SUNDEF)
diag("bad branch sym type");
v = (ulong)p->to.sym->value >> (Roffset-2);
dynreloc(p->to.sym, p->pc, 0, 0, 0);
}
else if(p->cond)
v = p->cond->pc - p->pc;
if(v & 03) {
diag("odd branch target address\n%P", p);
v &= ~03;
}
if(v < -(1L<<25) || v >= (1L<<24))
diag("branch too far\n%P", p);
o1 = OP_BR(opirr(p->as), v, 0);
break;
case 12: /* movb r,r (extsb); movw r,r (extsw) */
if(p->to.reg == REGZERO && p->from.type == D_CONST) {
v = regoff(&p->from);
if(r0iszero && v != 0) {
nerrors--;
diag("literal operation on R0\n%P", p);
}
o1 = LOP_IRR(OP_ADDI, REGZERO, REGZERO, v);
break;
}
if(p->as == AMOVW)
o1 = LOP_RRR(OP_EXTSW, p->to.reg, p->from.reg, 0);
else
o1 = LOP_RRR(OP_EXTSB, p->to.reg, p->from.reg, 0);
break;
case 13: /* mov[bhw]z r,r; uses rlwinm not andi. to avoid changing CC */
if(p->as == AMOVBZ)
o1 = OP_RLW(OP_RLWINM, p->to.reg, p->from.reg, 0, 24, 31);
else if(p->as == AMOVH)
o1 = LOP_RRR(OP_EXTSH, p->to.reg, p->from.reg, 0);
else if(p->as == AMOVHZ)
o1 = OP_RLW(OP_RLWINM, p->to.reg, p->from.reg, 0, 16, 31);
else if(p->as == AMOVWZ)
o1 = OP_RLW(OP_RLDIC, p->to.reg, p->from.reg, 0, 0, 0) | (1<<5); /* MB=32 */
else
diag("internal: bad mov[bhw]z\n%P", p);
break;
case 14: /* rldc[lr] Rb,Rs,$mask,Ra -- left, right give different masks */
r = p->reg;
if(r == NREG)
r = p->to.reg;
d = vregoff(&p->from3);
maskgen64(p, mask, d);
switch(p->as){
case ARLDCL: case ARLDCLCC:
a = mask[0]; /* MB */
if(mask[1] != 63)
diag("invalid mask for rotate: %llux (end != bit 63)\n%P", d, p);
break;
case ARLDCR: case ARLDCRCC:
a = mask[1]; /* ME */
if(mask[0] != 0)
diag("invalid mask for rotate: %llux (start != 0)\n%P", d, p);
break;
default:
diag("unexpected op in rldc case\n%P", p);
a = 0;
}
o1 = LOP_RRR(oprrr(p->as), p->to.reg, r, p->from.reg);
o1 |= (a&31L)<<6;
if(a & 0x20)
o1 |= 1<<5; /* mb[5] is top bit */
break;
case 17: /* bc bo,bi,lbra (same for now) */
case 16: /* bc bo,bi,sbra */
if(aflag)
return 0;
a = 0;
if(p->from.type == D_CONST)
a = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = 0;
v = 0;
if(p->cond)
v = p->cond->pc - p->pc;
if(v & 03) {
diag("odd branch target address\n%P", p);
v &= ~03;
}
if(v < -(1L<<16) || v >= (1L<<15))
diag("branch too far\n%P", p);
o1 = OP_BC(opirr(p->as), a, r, v, 0);
break;
case 15: /* br/bl (r) => mov r,lr; br/bl (lr) */
if(aflag)
return 0;
if(p->as == ABC || p->as == ABCL)
v = regoff(&p->to)&31L;
else
v = 20; /* unconditional */
r = p->reg;
if(r == NREG)
r = 0;
o1 = AOP_RRR(OP_MTSPR, p->to.reg, 0, 0) | ((D_LR&0x1f)<<16) | (((D_LR>>5)&0x1f)<<11);
o2 = OPVCC(19, 16, 0, 0);
if(p->as == ABL || p->as == ABCL)
o2 |= 1;
o2 = OP_BCR(o2, v, r);
break;
case 18: /* br/bl (lr/ctr); bc/bcl bo,bi,(lr/ctr) */
if(aflag)
return 0;
if(p->as == ABC || p->as == ABCL)
v = regoff(&p->from)&31L;
else
v = 20; /* unconditional */
r = p->reg;
if(r == NREG)
r = 0;
switch(oclass(p->to)) {
case C_CTR:
o1 = OPVCC(19, 528, 0, 0);
break;
case C_LR:
o1 = OPVCC(19, 16, 0, 0);
break;
default:
diag("bad optab entry (18): %d\n%P", p->to.class, p);
v = 0;
}
if(p->as == ABL || p->as == ABCL)
o1 |= 1;
o1 = OP_BCR(o1, v, r);
break;
case 19: /* mov $lcon,r ==> cau+or */
d = vregoff(&p->from);
o1 = loadu32(p->to.reg, d);
o2 = LOP_IRR(OP_ORI, p->to.reg, p->to.reg, (long)d);
if(dlm)
reloc(&p->from, p->pc, 0);
break;
case 20: /* add $ucon,,r */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
if(p->as == AADD && (!r0iszero && p->reg == 0 || r0iszero && p->to.reg == 0))
diag("literal operation on R0\n%P", p);
o1 = AOP_IRR(opirr(p->as+AEND), p->to.reg, r, v>>16);
break;
case 22: /* add $lcon,r1,r2 ==> cau+or+add */ /* could do add/sub more efficiently */
if(p->to.reg == REGTMP || p->reg == REGTMP)
diag("cant synthesize large constant\n%P", p);
d = vregoff(&p->from);
o1 = loadu32(REGTMP, d);
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, (long)d);
r = p->reg;
if(r == NREG)
r = p->to.reg;
o3 = AOP_RRR(oprrr(p->as), p->to.reg, REGTMP, r);
if(dlm)
reloc(&p->from, p->pc, 0);
break;
case 23: /* and $lcon,r1,r2 ==> cau+or+and */ /* masks could be done using rlnm etc. */
if(p->to.reg == REGTMP || p->reg == REGTMP)
diag("cant synthesize large constant\n%P", p);
d = vregoff(&p->from);
o1 = loadu32(REGTMP, d);
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, (long)d);
r = p->reg;
if(r == NREG)
r = p->to.reg;
o3 = LOP_RRR(oprrr(p->as), p->to.reg, REGTMP, r);
if(dlm)
reloc(&p->from, p->pc, 0);
break;
/*24*/
case 25: /* sld[.] $sh,rS,rA -> rldicr[.] $sh,rS,mask(0,63-sh),rA; srd[.] -> rldicl */
v = regoff(&p->from);
if(v < 0)
v = 0;
else if(v > 63)
v = 63;
r = p->reg;
if(r == NREG)
r = p->to.reg;
switch(p->as){
case ASLD: case ASLDCC:
a = 63-v;
o1 = OP_RLDICR;
break;
case ASRD: case ASRDCC:
a = v;
v = 64-v;
o1 = OP_RLDICL;
break;
default:
diag("unexpected op in sldi case\n%P", p);
a = 0;
o1 = 0;
}
o1 = AOP_RRR(o1, r, p->to.reg, (v&0x1F));
o1 |= (a&31L)<<6;
if(v & 0x20)
o1 |= 1<<1;
if(a & 0x20)
o1 |= 1<<5; /* mb[5] is top bit */
if(p->as == ASLDCC || p->as == ASRDCC)
o1 |= 1; /* Rc */
break;
case 26: /* mov $lsext/auto/oreg,,r2 ==> addis+addi */
if(p->to.reg == REGTMP)
diag("can't synthesize large constant\n%P", p);
v = regoff(&p->from);
if(v & 0x8000L)
v += 0x10000L;
r = p->from.reg;
if(r == NREG)
r = o->param;
o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16);
o2 = AOP_IRR(OP_ADDI, p->to.reg, REGTMP, v);
break;
case 27: /* subc ra,$simm,rd => subfic rd,ra,$simm */
v = regoff(&p->from3);
r = p->from.reg;
o1 = AOP_IRR(opirr(p->as), p->to.reg, r, v);
break;
case 28: /* subc r1,$lcon,r2 ==> cau+or+subfc */
if(p->to.reg == REGTMP || p->from.reg == REGTMP)
diag("can't synthesize large constant\n%P", p);
v = regoff(&p->from3);
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16);
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, v);
o3 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, REGTMP);
if(dlm)
reloc(&p->from3, p->pc, 0);
break;
case 29: /* rldic[lr]? $sh,s,$mask,a -- left, right, plain give different masks */
v = regoff(&p->from);
d = vregoff(&p->from3);
maskgen64(p, mask, d);
switch(p->as){
case ARLDC: case ARLDCCC:
a = mask[0]; /* MB */
if(mask[1] != (63-v))
diag("invalid mask for shift: %llux (shift %ld)\n%P", d, v, p);
break;
case ARLDCL: case ARLDCLCC:
a = mask[0]; /* MB */
if(mask[1] != 63)
diag("invalid mask for shift: %llux (shift %ld)\n%P", d, v, p);
break;
case ARLDCR: case ARLDCRCC:
a = mask[1]; /* ME */
if(mask[0] != 0)
diag("invalid mask for shift: %llux (shift %ld)\n%P", d, v, p);
break;
default:
diag("unexpected op in rldic case\n%P", p);
a = 0;
}
o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, (v&0x1F));
o1 |= (a&31L)<<6;
if(v & 0x20)
o1 |= 1<<1;
if(a & 0x20)
o1 |= 1<<5; /* mb[5] is top bit */
break;
case 30: /* rldimi $sh,s,$mask,a */
v = regoff(&p->from);
d = vregoff(&p->from3);
maskgen64(p, mask, d);
if(mask[1] != (63-v))
diag("invalid mask for shift: %llux (shift %ld)\n%P", d, v, p);
o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, (v&0x1F));
o1 |= (mask[0]&31L)<<6;
if(v & 0x20)
o1 |= 1<<1;
if(mask[0] & 0x20)
o1 |= 1<<5; /* mb[5] is top bit */
break;
case 31: /* dword */
if(aflag)
return 0;
d = vregoff(&p->from);
o1 = d>>32;
o2 = d;
break;
case 32: /* fmul frc,fra,frd */
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, 0)|((p->from.reg&31L)<<6);
break;
case 33: /* fabs [frb,]frd; fmr. frb,frd */
r = p->from.reg;
if(oclass(p->from) == C_NONE)
r = p->to.reg;
o1 = AOP_RRR(oprrr(p->as), p->to.reg, 0, r);
break;
case 34: /* FMADDx fra,frb,frc,frd (d=a*b+c); FSELx a<0? (d=b): (d=c) */
o1 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, p->reg)|((p->from3.reg&31L)<<6);
break;
case 35: /* mov r,lext/lauto/loreg ==> cau $(v>>16),sb,r'; store o(r') */
v = regoff(&p->to);
if(v & 0x8000L)
v += 0x10000L;
r = p->to.reg;
if(r == NREG)
r = o->param;
o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16);
o2 = AOP_IRR(opstore(p->as), p->from.reg, REGTMP, v);
break;
case 36: /* mov bz/h/hz lext/lauto/lreg,r ==> lbz/lha/lhz etc */
v = regoff(&p->from);
if(v & 0x8000L)
v += 0x10000L;
r = p->from.reg;
if(r == NREG)
r = o->param;
o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16);
o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v);
break;
case 37: /* movb lext/lauto/lreg,r ==> lbz o(reg),r; extsb r */
v = regoff(&p->from);
if(v & 0x8000L)
v += 0x10000L;
r = p->from.reg;
if(r == NREG)
r = o->param;
o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16);
o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v);
o3 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0);
break;
case 40: /* word */
if(aflag)
return 0;
o1 = regoff(&p->from);
break;
case 41: /* stswi */
o1 = AOP_RRR(opirr(p->as), p->from.reg, p->to.reg, 0) | ((regoff(&p->from3)&0x7F)<<11);
break;
case 42: /* lswi */
o1 = AOP_RRR(opirr(p->as), p->to.reg, p->from.reg, 0) | ((regoff(&p->from3)&0x7F)<<11);
break;
case 43: /* unary indexed source: dcbf (b); dcbf (a+b) */
r = p->reg;
if(r == NREG)
r = 0;
o1 = AOP_RRR(oprrr(p->as), 0, r, p->from.reg);
break;
case 44: /* indexed store */
r = p->reg;
if(r == NREG)
r = 0;
o1 = AOP_RRR(opstorex(p->as), p->from.reg, r, p->to.reg);
break;
case 45: /* indexed load */
r = p->reg;
if(r == NREG)
r = 0;
o1 = AOP_RRR(oploadx(p->as), p->to.reg, r, p->from.reg);
break;
case 46: /* plain op */
o1 = oprrr(p->as);
break;
case 47: /* op Ra, Rd; also op [Ra,] Rd */
r = p->from.reg;
if(r == NREG)
r = p->to.reg;
o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, 0);
break;
case 48: /* op Rs, Ra */
r = p->from.reg;
if(r == NREG)
r = p->to.reg;
o1 = LOP_RRR(oprrr(p->as), p->to.reg, r, 0);
break;
case 49: /* op Rb; op $n, Rb */
if(p->from.type != D_REG){ /* tlbie $L, rB */
v = regoff(&p->from) & 1;
o1 = AOP_RRR(oprrr(p->as), 0, 0, p->to.reg) | (v<<21);
}else
o1 = AOP_RRR(oprrr(p->as), 0, 0, p->from.reg);
break;
case 50: /* rem[u] r1[,r2],r3 */
r = p->reg;
if(r == NREG)
r = p->to.reg;
v = oprrr(p->as);
t = v & ((1<<10)|1); /* OE|Rc */
o1 = AOP_RRR(v&~t, REGTMP, r, p->from.reg);
o2 = AOP_RRR(OP_MULLW, REGTMP, REGTMP, p->from.reg);
o3 = AOP_RRR(OP_SUBF|t, p->to.reg, REGTMP, r);
break;
case 51: /* remd[u] r1[,r2],r3 */
r = p->reg;
if(r == NREG)
r = p->to.reg;
v = oprrr(p->as);
t = v & ((1<<10)|1); /* OE|Rc */
o1 = AOP_RRR(v&~t, REGTMP, r, p->from.reg);
o2 = AOP_RRR(OP_MULLD, REGTMP, REGTMP, p->from.reg);
o3 = AOP_RRR(OP_SUBF|t, p->to.reg, REGTMP, r);
break;
case 52: /* mtfsbNx cr(n) */
v = regoff(&p->from)&31L;
o1 = AOP_RRR(oprrr(p->as), v, 0, 0);
break;
case 53: /* mffsX ,fr1 */
o1 = AOP_RRR(OP_MFFS, p->to.reg, 0, 0);
break;
case 54: /* mov msr,r1; mov r1, msr*/
if(oclass(p->from) == C_REG){
if(p->as == AMOVD)
o1 = AOP_RRR(OP_MTMSRD, p->from.reg, 0, 0);
else
o1 = AOP_RRR(OP_MTMSR, p->from.reg, 0, 0);
}else
o1 = AOP_RRR(OP_MFMSR, p->to.reg, 0, 0);
break;
case 55: /* op Rb, Rd */
o1 = AOP_RRR(oprrr(p->as), p->to.reg, 0, p->from.reg);
break;
case 56: /* sra $sh,[s,]a; srd $sh,[s,]a */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = AOP_RRR(opirr(p->as), r, p->to.reg, v&31L);
if(p->as == ASRAD && (v&0x20))
o1 |= 1<<1; /* mb[5] */
break;
case 57: /* slw $sh,[s,]a -> rlwinm ... */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
/*
* Let user (gs) shoot himself in the foot.
* qc has already complained.
*
if(v < 0 || v > 31)
diag("illegal shift %ld\n%P", v, p);
*/
if(v < 0)
v = 0;
else if(v > 32)
v = 32;
if(p->as == ASRW || p->as == ASRWCC) { /* shift right */
mask[0] = v;
mask[1] = 31;
v = 32-v;
} else {
mask[0] = 0;
mask[1] = 31-v;
}
o1 = OP_RLW(OP_RLWINM, p->to.reg, r, v, mask[0], mask[1]);
if(p->as == ASLWCC || p->as == ASRWCC)
o1 |= 1; /* Rc */
break;
case 58: /* logical $andcon,[s],a */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = LOP_IRR(opirr(p->as), p->to.reg, r, v);
break;
case 59: /* or/and $ucon,,r */
v = regoff(&p->from);
r = p->reg;
if(r == NREG)
r = p->to.reg;
o1 = LOP_IRR(opirr(p->as+AEND), p->to.reg, r, v>>16); /* oris, xoris, andis */
break;
case 60: /* tw to,a,b */
r = regoff(&p->from)&31L;
o1 = AOP_RRR(oprrr(p->as), r, p->reg, p->to.reg);
break;
case 61: /* tw to,a,$simm */
r = regoff(&p->from)&31L;
v = regoff(&p->to);
o1 = AOP_IRR(opirr(p->as), r, p->reg, v);
break;
case 62: /* rlwmi $sh,s,$mask,a */
v = regoff(&p->from);
maskgen(p, mask, regoff(&p->from3));
o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, v);
o1 |= ((mask[0]&31L)<<6)|((mask[1]&31L)<<1);
break;
case 63: /* rlwmi b,s,$mask,a */
maskgen(p, mask, regoff(&p->from3));
o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, p->from.reg);
o1 |= ((mask[0]&31L)<<6)|((mask[1]&31L)<<1);
break;
case 64: /* mtfsf fr[, $m] {,fpcsr} */
if(p->from3.type != D_NONE)
v = regoff(&p->from3)&255L;
else
v = 255;
o1 = OP_MTFSF | (v<<17) | (p->from.reg<<11);
break;
case 65: /* MOVFL $imm,FPSCR(n) => mtfsfi crfd,imm */
if(p->to.reg == NREG)
diag("must specify FPSCR(n)\n%P", p);
o1 = OP_MTFSFI | ((p->to.reg&15L)<<23) | ((regoff(&p->from)&31L)<<12);
break;
case 66: /* mov spr,r1; mov r1,spr, also dcr */
if(p->from.type == D_REG) {
r = p->from.reg;
v = p->to.offset;
if(p->to.type == D_DCR)
o1 = OPVCC(31,451,0,0); /* mtdcr */
else
o1 = OPVCC(31,467,0,0); /* mtspr */
} else {
r = p->to.reg;
v = p->from.offset;
if(p->from.type == D_DCR)
o1 = OPVCC(31,323,0,0); /* mfdcr */
else
o1 = OPVCC(31,339,0,0); /* mfspr */
}
o1 = AOP_RRR(o1, r, 0, 0) | ((v&0x1f)<<16) | (((v>>5)&0x1f)<<11);
break;
case 67: /* mcrf crfD,crfS */
if(p->from.type != D_CREG || p->from.reg == NREG ||
p->to.type != D_CREG || p->to.reg == NREG)
diag("illegal CR field number\n%P", p);
o1 = AOP_RRR(OP_MCRF, ((p->to.reg&7L)<<2), ((p->from.reg&7)<<2), 0);
break;
case 68: /* mfcr rD; mfocrf CRM,rD */
if(p->from.type == D_CREG && p->from.reg != NREG){
v = 1<<(7-(p->to.reg&7)); /* CR(n) */
o1 = AOP_RRR(OP_MFCR, p->to.reg, 0, 0) | (1<<20) | (v<<12); /* new form, mfocrf */
}else
o1 = AOP_RRR(OP_MFCR, p->to.reg, 0, 0); /* old form, whole register */
break;
case 69: /* mtcrf CRM,rS */
if(p->from3.type != D_NONE) {
if(p->to.reg != NREG)
diag("can't use both mask and CR(n)\n%P", p);
v = regoff(&p->from3) & 0xff;
} else {
if(p->to.reg == NREG)
v = 0xff; /* CR */
else
v = 1<<(7-(p->to.reg&7)); /* CR(n) */
}
o1 = AOP_RRR(OP_MTCRF, p->from.reg, 0, 0) | (v<<12);
break;
case 70: /* [f]cmp r,r,cr*/
if(p->reg == NREG)
r = 0;
else
r = (p->reg&7)<<2;
o1 = AOP_RRR(oprrr(p->as), r, p->from.reg, p->to.reg);
break;
case 71: /* cmp[l] r,i,cr*/
if(p->reg == NREG)
r = 0;
else
r = (p->reg&7)<<2;
o1 = AOP_RRR(opirr(p->as), r, p->from.reg, 0) | (regoff(&p->to)&0xffff);
break;
case 72: /* slbmte (Rb+Rs -> slb[Rb]) -> Rs, Rb */
o1 = AOP_RRR(oprrr(p->as), p->from.reg, 0, p->to.reg);
break;
case 73: /* mcrfs crfD,crfS */
if(p->from.type != D_FPSCR || p->from.reg == NREG ||
p->to.type != D_CREG || p->to.reg == NREG)
diag("illegal FPSCR/CR field number\n%P", p);
o1 = AOP_RRR(OP_MCRFS, ((p->to.reg&7L)<<2), ((p->from.reg&7)<<2), 0);
break;
/* relocation operations */
case 74:
v = regoff(&p->to);
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16);
o2 = AOP_IRR(opstore(p->as), p->from.reg, REGTMP, v);
if(dlm)
reloc(&p->to, p->pc, 1);
break;
case 75:
v = regoff(&p->from);
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16);
o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v);
if(dlm)
reloc(&p->from, p->pc, 1);
break;
case 76:
v = regoff(&p->from);
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16);
o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v);
o3 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0);
if(dlm)
reloc(&p->from, p->pc, 1);
break;
/* 64 bit constant operations */
case 77: /* mov $vucon,r */
d = vregoff(&p->from);
o1 = loadu32(p->to.reg, d>>32);
o2 = LOP_IRR(OP_ORI, p->to.reg, p->to.reg, d>>32);
o3 = rotateleft32(p, ARLDMI, p->to.reg, p->to.reg);
break;
case 78: /* mov $vcon,r */
d = vregoff(&p->from);
o1 = loadu32(p->to.reg, d);
o2 = loadu32(REGTMP, d>>32);
o3 = LOP_IRR(OP_ORI, p->to.reg, p->to.reg, (long)d);
o4 = LOP_IRR(OP_ORI, REGTMP, REGTMP, d>>32);
o5 = rotateleft32(p, ARLDMI, REGTMP, p->to.reg);
break;
case 79: /* mov $vulcon,r */
d = vregoff(&p->from);
o1 = LOP_IRR(OP_ORI, p->to.reg, REGZERO, d>>32);
o2 = rotateleft32(p, ARLDMI, p->to.reg, p->to.reg);
break;
case 80: /* mov $vuucon,r */
d = vregoff(&p->from);
o1 = loadu32(p->to.reg, d>>32);
o2 = rotateleft32(p, ARLDMI, p->to.reg, p->to.reg);
break;
}
if(aflag)
return o1;
v = p->pc;
switch(o->size) {
default:
if(debug['a'])
Bprint(&bso, " %.8lux:\t\t%P\n", v, p);
break;
case 4:
if(debug['a'])
Bprint(&bso, " %.8lux: %.8lux\t%P\n", v, o1, p);
lput(o1);
break;
case 8:
if(debug['a'])
Bprint(&bso, " %.8lux: %.8lux %.8lux%P\n", v, o1, o2, p);
lput(o1);
lput(o2);
break;
case 12:
if(debug['a'])
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux%P\n", v, o1, o2, o3, p);
lput(o1);
lput(o2);
lput(o3);
break;
case 16:
if(debug['a'])
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux%P\n",
v, o1, o2, o3, o4, p);
lput(o1);
lput(o2);
lput(o3);
lput(o4);
break;
case 20:
if(debug['a'])
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux%P\n",
v, o1, o2, o3, o4, o5, p);
lput(o1);
lput(o2);
lput(o3);
lput(o4);
lput(o5);
break;
}
return 0;
}
long
oprrr(int a)
{
switch(a) {
case AADD: return OPVCC(31,266,0,0);
case AADDCC: return OPVCC(31,266,0,1);
case AADDV: return OPVCC(31,266,1,0);
case AADDVCC: return OPVCC(31,266,1,1);
case AADDC: return OPVCC(31,10,0,0);
case AADDCCC: return OPVCC(31,10,0,1);
case AADDCV: return OPVCC(31,10,1,0);
case AADDCVCC: return OPVCC(31,10,1,1);
case AADDE: return OPVCC(31,138,0,0);
case AADDECC: return OPVCC(31,138,0,1);
case AADDEV: return OPVCC(31,138,1,0);
case AADDEVCC: return OPVCC(31,138,1,1);
case AADDME: return OPVCC(31,234,0,0);
case AADDMECC: return OPVCC(31,234,0,1);
case AADDMEV: return OPVCC(31,234,1,0);
case AADDMEVCC: return OPVCC(31,234,1,1);
case AADDZE: return OPVCC(31,202,0,0);
case AADDZECC: return OPVCC(31,202,0,1);
case AADDZEV: return OPVCC(31,202,1,0);
case AADDZEVCC: return OPVCC(31,202,1,1);
case AAND: return OPVCC(31,28,0,0);
case AANDCC: return OPVCC(31,28,0,1);
case AANDN: return OPVCC(31,60,0,0);
case AANDNCC: return OPVCC(31,60,0,1);
case ACMP: return OPVCC(31,0,0,0)|(1<<21); /* L=1 */
case ACMPU: return OPVCC(31,32,0,0)|(1<<21);
case ACMPW: return OPVCC(31,0,0,0); /* L=0 */
case ACMPWU: return OPVCC(31,32,0,0);
case ACNTLZW: return OPVCC(31,26,0,0);
case ACNTLZWCC: return OPVCC(31,26,0,1);
case ACNTLZD: return OPVCC(31,58,0,0);
case ACNTLZDCC: return OPVCC(31,58,0,1);
case ACRAND: return OPVCC(19,257,0,0);
case ACRANDN: return OPVCC(19,129,0,0);
case ACREQV: return OPVCC(19,289,0,0);
case ACRNAND: return OPVCC(19,225,0,0);
case ACRNOR: return OPVCC(19,33,0,0);
case ACROR: return OPVCC(19,449,0,0);
case ACRORN: return OPVCC(19,417,0,0);
case ACRXOR: return OPVCC(19,193,0,0);
case ADCBF: return OPVCC(31,86,0,0);
case ADCBI: return OPVCC(31,470,0,0);
case ADCBST: return OPVCC(31,54,0,0);
case ADCBT: return OPVCC(31,278,0,0);
case ADCBTST: return OPVCC(31,246,0,0);
case ADCBZ: return OPVCC(31,1014,0,0);
case AREM:
case ADIVW: return OPVCC(31,491,0,0);
case AREMCC:
case ADIVWCC: return OPVCC(31,491,0,1);
case AREMV:
case ADIVWV: return OPVCC(31,491,1,0);
case AREMVCC:
case ADIVWVCC: return OPVCC(31,491,1,1);
case AREMU:
case ADIVWU: return OPVCC(31,459,0,0);
case AREMUCC:
case ADIVWUCC: return OPVCC(31,459,0,1);
case AREMUV:
case ADIVWUV: return OPVCC(31,459,1,0);
case AREMUVCC:
case ADIVWUVCC: return OPVCC(31,459,1,1);
case AREMD:
case ADIVD: return OPVCC(31,489,0,0);
case AREMDCC:
case ADIVDCC: return OPVCC(31,489,0,1);
case AREMDV:
case ADIVDV: return OPVCC(31,489,1,0);
case AREMDVCC:
case ADIVDVCC: return OPVCC(31,489,1,1);
case AREMDU:
case ADIVDU: return OPVCC(31,457,0,0);
case AREMDUCC:
case ADIVDUCC: return OPVCC(31,457,0,1);
case AREMDUV:
case ADIVDUV: return OPVCC(31,457,1,0);
case AREMDUVCC:
case ADIVDUVCC: return OPVCC(31,457,1,1);
case AEIEIO: return OPVCC(31,854,0,0);
case AEQV: return OPVCC(31,284,0,0);
case AEQVCC: return OPVCC(31,284,0,1);
case AEXTSB: return OPVCC(31,954,0,0);
case AEXTSBCC: return OPVCC(31,954,0,1);
case AEXTSH: return OPVCC(31,922,0,0);
case AEXTSHCC: return OPVCC(31,922,0,1);
case AEXTSW: return OPVCC(31,986,0,0);
case AEXTSWCC: return OPVCC(31,986,0,1);
case AFABS: return OPVCC(63,264,0,0);
case AFABSCC: return OPVCC(63,264,0,1);
case AFADD: return OPVCC(63,21,0,0);
case AFADDCC: return OPVCC(63,21,0,1);
case AFADDS: return OPVCC(59,21,0,0);
case AFADDSCC: return OPVCC(59,21,0,1);
case AFCMPO: return OPVCC(63,32,0,0);
case AFCMPU: return OPVCC(63,0,0,0);
case AFCFID: return OPVCC(63,846,0,0);
case AFCFIDCC: return OPVCC(63,846,0,1);
case AFCTIW: return OPVCC(63,14,0,0);
case AFCTIWCC: return OPVCC(63,14,0,1);
case AFCTIWZ: return OPVCC(63,15,0,0);
case AFCTIWZCC: return OPVCC(63,15,0,1);
case AFCTID: return OPVCC(63,814,0,0);
case AFCTIDCC: return OPVCC(63,814,0,1);
case AFCTIDZ: return OPVCC(63,815,0,0);
case AFCTIDZCC: return OPVCC(63,815,0,1);
case AFDIV: return OPVCC(63,18,0,0);
case AFDIVCC: return OPVCC(63,18,0,1);
case AFDIVS: return OPVCC(59,18,0,0);
case AFDIVSCC: return OPVCC(59,18,0,1);
case AFMADD: return OPVCC(63,29,0,0);
case AFMADDCC: return OPVCC(63,29,0,1);
case AFMADDS: return OPVCC(59,29,0,0);
case AFMADDSCC: return OPVCC(59,29,0,1);
case AFMOVS:
case AFMOVD: return OPVCC(63,72,0,0); /* load */
case AFMOVDCC: return OPVCC(63,72,0,1);
case AFMSUB: return OPVCC(63,28,0,0);
case AFMSUBCC: return OPVCC(63,28,0,1);
case AFMSUBS: return OPVCC(59,28,0,0);
case AFMSUBSCC: return OPVCC(59,28,0,1);
case AFMUL: return OPVCC(63,25,0,0);
case AFMULCC: return OPVCC(63,25,0,1);
case AFMULS: return OPVCC(59,25,0,0);
case AFMULSCC: return OPVCC(59,25,0,1);
case AFNABS: return OPVCC(63,136,0,0);
case AFNABSCC: return OPVCC(63,136,0,1);
case AFNEG: return OPVCC(63,40,0,0);
case AFNEGCC: return OPVCC(63,40,0,1);
case AFNMADD: return OPVCC(63,31,0,0);
case AFNMADDCC: return OPVCC(63,31,0,1);
case AFNMADDS: return OPVCC(59,31,0,0);
case AFNMADDSCC: return OPVCC(59,31,0,1);
case AFNMSUB: return OPVCC(63,30,0,0);
case AFNMSUBCC: return OPVCC(63,30,0,1);
case AFNMSUBS: return OPVCC(59,30,0,0);
case AFNMSUBSCC: return OPVCC(59,30,0,1);
case AFRES: return OPVCC(59,24,0,0);
case AFRESCC: return OPVCC(59,24,0,1);
case AFRSP: return OPVCC(63,12,0,0);
case AFRSPCC: return OPVCC(63,12,0,1);
case AFRSQRTE: return OPVCC(63,26,0,0);
case AFRSQRTECC: return OPVCC(63,26,0,1);
case AFSEL: return OPVCC(63,23,0,0);
case AFSELCC: return OPVCC(63,23,0,1);
case AFSQRT: return OPVCC(63,22,0,0);
case AFSQRTCC: return OPVCC(63,22,0,1);
case AFSQRTS: return OPVCC(59,22,0,0);
case AFSQRTSCC: return OPVCC(59,22,0,1);
case AFSUB: return OPVCC(63,20,0,0);
case AFSUBCC: return OPVCC(63,20,0,1);
case AFSUBS: return OPVCC(59,20,0,0);
case AFSUBSCC: return OPVCC(59,20,0,1);
case AICBI: return OPVCC(31,982,0,0);
case AISYNC: return OPVCC(19,150,0,0);
case AMTFSB0: return OPVCC(63,70,0,0);
case AMTFSB0CC: return OPVCC(63,70,0,1);
case AMTFSB1: return OPVCC(63,38,0,0);
case AMTFSB1CC: return OPVCC(63,38,0,1);
case AMULHW: return OPVCC(31,75,0,0);
case AMULHWCC: return OPVCC(31,75,0,1);
case AMULHWU: return OPVCC(31,11,0,0);
case AMULHWUCC: return OPVCC(31,11,0,1);
case AMULLW: return OPVCC(31,235,0,0);
case AMULLWCC: return OPVCC(31,235,0,1);
case AMULLWV: return OPVCC(31,235,1,0);
case AMULLWVCC: return OPVCC(31,235,1,1);
case AMULHD: return OPVCC(31,73,0,0);
case AMULHDCC: return OPVCC(31,73,0,1);
case AMULHDU: return OPVCC(31,9,0,0);
case AMULHDUCC: return OPVCC(31,9,0,1);
case AMULLD: return OPVCC(31,233,0,0);
case AMULLDCC: return OPVCC(31,233,0,1);
case AMULLDV: return OPVCC(31,233,1,0);
case AMULLDVCC: return OPVCC(31,233,1,1);
case ANAND: return OPVCC(31,476,0,0);
case ANANDCC: return OPVCC(31,476,0,1);
case ANEG: return OPVCC(31,104,0,0);
case ANEGCC: return OPVCC(31,104,0,1);
case ANEGV: return OPVCC(31,104,1,0);
case ANEGVCC: return OPVCC(31,104,1,1);
case ANOR: return OPVCC(31,124,0,0);
case ANORCC: return OPVCC(31,124,0,1);
case AOR: return OPVCC(31,444,0,0);
case AORCC: return OPVCC(31,444,0,1);
case AORN: return OPVCC(31,412,0,0);
case AORNCC: return OPVCC(31,412,0,1);
case ARFI: return OPVCC(19,50,0,0);
case ARFCI: return OPVCC(19,51,0,0);
case ARFID: return OPVCC(19,18,0,0);
case AHRFID: return OPVCC(19,274,0,0);
case ARLWMI: return OPVCC(20,0,0,0);
case ARLWMICC: return OPVCC(20,0,0,1);
case ARLWNM: return OPVCC(23,0,0,0);
case ARLWNMCC: return OPVCC(23,0,0,1);
case ARLDCL: return OPVCC(30,8,0,0);
case ARLDCR: return OPVCC(30,9,0,0);
case ASYSCALL: return OPVCC(17,1,0,0);
case ASLW: return OPVCC(31,24,0,0);
case ASLWCC: return OPVCC(31,24,0,1);
case ASLD: return OPVCC(31,27,0,0);
case ASLDCC: return OPVCC(31,27,0,1);
case ASRAW: return OPVCC(31,792,0,0);
case ASRAWCC: return OPVCC(31,792,0,1);
case ASRAD: return OPVCC(31,794,0,0);
case ASRADCC: return OPVCC(31,794,0,1);
case ASRW: return OPVCC(31,536,0,0);
case ASRWCC: return OPVCC(31,536,0,1);
case ASRD: return OPVCC(31,539,0,0);
case ASRDCC: return OPVCC(31,539,0,1);
case ASUB: return OPVCC(31,40,0,0);
case ASUBCC: return OPVCC(31,40,0,1);
case ASUBV: return OPVCC(31,40,1,0);
case ASUBVCC: return OPVCC(31,40,1,1);
case ASUBC: return OPVCC(31,8,0,0);
case ASUBCCC: return OPVCC(31,8,0,1);
case ASUBCV: return OPVCC(31,8,1,0);
case ASUBCVCC: return OPVCC(31,8,1,1);
case ASUBE: return OPVCC(31,136,0,0);
case ASUBECC: return OPVCC(31,136,0,1);
case ASUBEV: return OPVCC(31,136,1,0);
case ASUBEVCC: return OPVCC(31,136,1,1);
case ASUBME: return OPVCC(31,232,0,0);
case ASUBMECC: return OPVCC(31,232,0,1);
case ASUBMEV: return OPVCC(31,232,1,0);
case ASUBMEVCC: return OPVCC(31,232,1,1);
case ASUBZE: return OPVCC(31,200,0,0);
case ASUBZECC: return OPVCC(31,200,0,1);
case ASUBZEV: return OPVCC(31,200,1,0);
case ASUBZEVCC: return OPVCC(31,200,1,1);
case ASYNC: return OPVCC(31,598,0,0);
case APTESYNC: return OPVCC(31,598,0,0) | (2<<21);
case ATLBIE: return OPVCC(31,306,0,0);
case ATLBIEL: return OPVCC(31,274,0,0);
case ATLBSYNC: return OPVCC(31,566,0,0);
case ASLBIA: return OPVCC(31,498,0,0);
case ASLBIE: return OPVCC(31,434,0,0);
case ASLBMFEE: return OPVCC(31,915,0,0);
case ASLBMFEV: return OPVCC(31,851,0,0);
case ASLBMTE: return OPVCC(31,402,0,0);
case ATW: return OPVCC(31,4,0,0);
case ATD: return OPVCC(31,68,0,0);
case AXOR: return OPVCC(31,316,0,0);
case AXORCC: return OPVCC(31,316,0,1);
}
diag("bad r/r opcode %A", a);
return 0;
}
long
opirr(int a)
{
switch(a) {
case AADD: return OPVCC(14,0,0,0);
case AADDC: return OPVCC(12,0,0,0);
case AADDCCC: return OPVCC(13,0,0,0);
case AADD+AEND: return OPVCC(15,0,0,0); /* ADDIS/CAU */
case AANDCC: return OPVCC(28,0,0,0);
case AANDCC+AEND: return OPVCC(29,0,0,0); /* ANDIS./ANDIU. */
case ABR: return OPVCC(18,0,0,0);
case ABL: return OPVCC(18,0,0,0) | 1;
case ABC: return OPVCC(16,0,0,0);
case ABCL: return OPVCC(16,0,0,0) | 1;
case ABEQ: return AOP_RRR(16<<26,12,2,0);
case ABGE: return AOP_RRR(16<<26,4,0,0);
case ABGT: return AOP_RRR(16<<26,12,1,0);
case ABLE: return AOP_RRR(16<<26,4,1,0);
case ABLT: return AOP_RRR(16<<26,12,0,0);
case ABNE: return AOP_RRR(16<<26,4,2,0);
case ABVC: return AOP_RRR(16<<26,4,3,0);
case ABVS: return AOP_RRR(16<<26,12,3,0);
case ACMP: return OPVCC(11,0,0,0)|(1<<21); /* L=1 */
case ACMPU: return OPVCC(10,0,0,0)|(1<<21);
case ACMPW: return OPVCC(11,0,0,0); /* L=0 */
case ACMPWU: return OPVCC(10,0,0,0);
case ALSW: return OPVCC(31,597,0,0);
case AMULLW: return OPVCC(7,0,0,0);
case AOR: return OPVCC(24,0,0,0);
case AOR+AEND: return OPVCC(25,0,0,0); /* ORIS/ORIU */
case ARLWMI: return OPVCC(20,0,0,0); /* rlwimi */
case ARLWMICC: return OPVCC(20,0,0,1);
case ARLDMI: return OPVCC(30,0,0,0) | (3<<2); /* rldimi */
case ARLDMICC: return OPVCC(30,0,0,1) | (3<<2);
case ARLWNM: return OPVCC(21,0,0,0); /* rlwinm */
case ARLWNMCC: return OPVCC(21,0,0,1);
case ARLDCL: return OPVCC(30,0,0,0); /* rldicl */
case ARLDCLCC: return OPVCC(30,0,0,1);
case ARLDCR: return OPVCC(30,1,0,0); /* rldicr */
case ARLDCRCC: return OPVCC(30,1,0,1);
case ARLDC: return OPVCC(30,0,0,0) | (2<<2);
case ARLDCCC: return OPVCC(30,0,0,1) | (2<<2);
case ASRAW: return OPVCC(31,824,0,0);
case ASRAWCC: return OPVCC(31,824,0,1);
case ASRAD: return OPVCC(31,(413<<1),0,0);
case ASRADCC: return OPVCC(31,(413<<1),0,1);
case ASTSW: return OPVCC(31,725,0,0);
case ASUBC: return OPVCC(8,0,0,0);
case ATW: return OPVCC(3,0,0,0);
case ATD: return OPVCC(2,0,0,0);
case AXOR: return OPVCC(26,0,0,0); /* XORIL */
case AXOR+AEND: return OPVCC(27,0,0,0); /* XORIU */
}
diag("bad opcode i/r %A", a);
return 0;
}
/*
* load o(a),d
*/
long
opload(int a)
{
switch(a) {
case AMOVD: return OPVCC(58,0,0,0); /* ld */
case AMOVDU: return OPVCC(58,0,0,1); /* ldu */
case AMOVWZ: return OPVCC(32,0,0,0); /* lwz */
case AMOVWZU: return OPVCC(33,0,0,0); /* lwzu */
case AMOVW: return OPVCC(58,0,0,0)|(1<<1); /* lwa */
/* no AMOVWU */
case AMOVB:
case AMOVBZ: return OPVCC(34,0,0,0); /* load */
case AMOVBU:
case AMOVBZU: return OPVCC(35,0,0,0);
case AFMOVD: return OPVCC(50,0,0,0);
case AFMOVDU: return OPVCC(51,0,0,0);
case AFMOVS: return OPVCC(48,0,0,0);
case AFMOVSU: return OPVCC(49,0,0,0);
case AMOVH: return OPVCC(42,0,0,0);
case AMOVHU: return OPVCC(43,0,0,0);
case AMOVHZ: return OPVCC(40,0,0,0);
case AMOVHZU: return OPVCC(41,0,0,0);
case AMOVMW: return OPVCC(46,0,0,0); /* lmw */
}
diag("bad load opcode %A", a);
return 0;
}
/*
* indexed load a(b),d
*/
long
oploadx(int a)
{
switch(a) {
case AMOVWZ: return OPVCC(31,23,0,0); /* lwzx */
case AMOVWZU: return OPVCC(31,55,0,0); /* lwzux */
case AMOVW: return OPVCC(31,341,0,0); /* lwax */
case AMOVWU: return OPVCC(31,373,0,0); /* lwaux */
case AMOVB:
case AMOVBZ: return OPVCC(31,87,0,0); /* lbzx */
case AMOVBU:
case AMOVBZU: return OPVCC(31,119,0,0); /* lbzux */
case AFMOVD: return OPVCC(31,599,0,0); /* lfdx */
case AFMOVDU: return OPVCC(31,631,0,0); /* lfdux */
case AFMOVS: return OPVCC(31,535,0,0); /* lfsx */
case AFMOVSU: return OPVCC(31,567,0,0); /* lfsux */
case AMOVH: return OPVCC(31,343,0,0); /* lhax */
case AMOVHU: return OPVCC(31,375,0,0); /* lhaux */
case AMOVHBR: return OPVCC(31,790,0,0); /* lhbrx */
case AMOVWBR: return OPVCC(31,534,0,0); /* lwbrx */
case AMOVHZ: return OPVCC(31,279,0,0); /* lhzx */
case AMOVHZU: return OPVCC(31,311,0,0); /* lhzux */
case AECIWX: return OPVCC(31,310,0,0); /* eciwx */
case ALWAR: return OPVCC(31,20,0,0); /* lwarx */
case ALSW: return OPVCC(31,533,0,0); /* lswx */
case AMOVD: return OPVCC(31,21,0,0); /* ldx */
case AMOVDU: return OPVCC(31,53,0,0); /* ldux */
}
diag("bad loadx opcode %A", a);
return 0;
}
/*
* store s,o(d)
*/
long
opstore(int a)
{
switch(a) {
case AMOVB:
case AMOVBZ: return OPVCC(38,0,0,0); /* stb */
case AMOVBU:
case AMOVBZU: return OPVCC(39,0,0,0); /* stbu */
case AFMOVD: return OPVCC(54,0,0,0); /* stfd */
case AFMOVDU: return OPVCC(55,0,0,0); /* stfdu */
case AFMOVS: return OPVCC(52,0,0,0); /* stfs */
case AFMOVSU: return OPVCC(53,0,0,0); /* stfsu */
case AMOVHZ:
case AMOVH: return OPVCC(44,0,0,0); /* sth */
case AMOVHZU:
case AMOVHU: return OPVCC(45,0,0,0); /* sthu */
case AMOVMW: return OPVCC(47,0,0,0); /* stmw */
case ASTSW: return OPVCC(31,725,0,0); /* stswi */
case AMOVWZ:
case AMOVW: return OPVCC(36,0,0,0); /* stw */
case AMOVWZU:
case AMOVWU: return OPVCC(37,0,0,0); /* stwu */
case AMOVD: return OPVCC(62,0,0,0); /* std */
case AMOVDU: return OPVCC(62,0,0,1); /* stdu */
}
diag("unknown store opcode %A", a);
return 0;
}
/*
* indexed store s,a(b)
*/
long
opstorex(int a)
{
switch(a) {
case AMOVB:
case AMOVBZ: return OPVCC(31,215,0,0); /* stbx */
case AMOVBU:
case AMOVBZU: return OPVCC(31,247,0,0); /* stbux */
case AFMOVD: return OPVCC(31,727,0,0); /* stfdx */
case AFMOVDU: return OPVCC(31,759,0,0); /* stfdux */
case AFMOVS: return OPVCC(31,663,0,0); /* stfsx */
case AFMOVSU: return OPVCC(31,695,0,0); /* stfsux */
case AMOVHZ:
case AMOVH: return OPVCC(31,407,0,0); /* sthx */
case AMOVHBR: return OPVCC(31,918,0,0); /* sthbrx */
case AMOVHZU:
case AMOVHU: return OPVCC(31,439,0,0); /* sthux */
case AMOVWZ:
case AMOVW: return OPVCC(31,151,0,0); /* stwx */
case AMOVWZU:
case AMOVWU: return OPVCC(31,183,0,0); /* stwux */
case ASTSW: return OPVCC(31,661,0,0); /* stswx */
case AMOVWBR: return OPVCC(31,662,0,0); /* stwbrx */
case ASTWCCC: return OPVCC(31,150,0,1); /* stwcx. */
case ASTDCCC: return OPVCC(31,214,0,1); /* stwdx. */
case AECOWX: return OPVCC(31,438,0,0); /* ecowx */
case AMOVD: return OPVCC(31,149,0,0); /* stdx */
case AMOVDU: return OPVCC(31,181,0,0); /* stdux */
}
diag("unknown storex opcode %A", a);
return 0;
}