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arm reg bug with address(variable)

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R=r
CC=golang-dev
https://golang.org/cl/4047041
This commit is contained in:
Ken Thompson 2011-01-16 15:25:13 -08:00
parent 6432471497
commit 3965519ae5
1 changed files with 7 additions and 27 deletions
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34
src/cmd/5g/reg.c
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@ -137,18 +137,16 @@ regopt(Prog *firstp)
uint32 vreg;
Bits bit;
return;
if(first == 0) {
fmtinstall('Q', Qconv);
}
first++;
if(debug['K']) {
if(first != 2)
if(first != 1)
return;
debug['R'] = 2;
debug['P'] = 2;
// debug['R'] = 2;
// debug['P'] = 2;
print("optimizing %S\n", curfn->nname->sym);
}
@ -644,21 +642,17 @@ mkvar(Reg *r, Adr *a, int docon)
print("type %d %d %D\n", t, a->name, a);
goto none;
case D_CONST:
if(a->reg != NREG)
r->regu |= RtoB(a->reg);
// fallthrough
case D_NONE:
case D_FCONST:
case D_BRANCH:
goto none;
break;
case D_REGREG:
if(a->offset != NREG)
r->regu |= RtoB(a->offset);
// fallthrough
case D_CONST:
case D_REG:
case D_SHIFT:
case D_OREG:
@ -750,22 +744,8 @@ out:
if(n == D_PARAM)
for(z=0; z<BITS; z++)
params.b[z] |= bit.b[z];
// if(t == D_CONST) {
// if(s == S) {
// for(z=0; z<BITS; z++)
// consts.b[z] |= bit.b[z];
// return bit;
// }
// if(et != TARRAY)
// for(z=0; z<BITS; z++)
// addrs.b[z] |= bit.b[z];
// for(z=0; z<BITS; z++)
// params.b[z] |= bit.b[z];
// return bit;
// }
// if(t != D_OREG)
// goto none;
if(t == D_CONST)
setaddrs(bit);
return bit;