diff options
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/8g/reg.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/cmd/8g/reg.c b/src/cmd/8g/reg.c index 79d60bed5..aa39dbd43 100644 --- a/src/cmd/8g/reg.c +++ b/src/cmd/8g/reg.c @@ -926,7 +926,7 @@ paint1(Reg *r, int bn) Reg *r1; Prog *p; int z; - uint64 bb; + uint64 bb, rbz; z = bn/64; bb = 1LL<<(bn%64); @@ -945,7 +945,8 @@ paint1(Reg *r, int bn) r = r1; } - if(LOAD(r) & ~(r->set.b[z]&~(r->use1.b[z]|r->use2.b[z])) & bb) { + rbz = ~(r->set.b[z]&~(r->use1.b[z]|r->use2.b[z])); + if(LOAD(r) & rbz & bb) { change -= CLOAD * r->f.loop; } for(;;) { @@ -1053,7 +1054,7 @@ paint3(Reg *r, int bn, uint32 rb, int rn) Reg *r1; Prog *p; int z; - uint64 bb; + uint64 bb, rbz; z = bn/64; bb = 1LL << (bn%64); @@ -1072,7 +1073,8 @@ paint3(Reg *r, int bn, uint32 rb, int rn) r = r1; } - if(LOAD(r) & ~(r->set.b[z] & ~(r->use1.b[z]|r->use2.b[z])) & bb) + rbz = ~(r->set.b[z] & ~(r->use1.b[z]|r->use2.b[z])); + if(LOAD(r) & rbz & bb) addmove(r, bn, rn, 0); for(;;) { r->act.b[z] |= bb; |