On Tue, 25 Sep 2007, roel wrote:
> > + if (!(ap->flags & ATA_FLAG_IPM) || !ata_dev_enabled(dev)) {
>
> if (!((ap->flags & ATA_FLAG_IPM) && ata_dev_enabled(dev))) {
int foo(int i, int j) {
return !(i & 8) || !j;
}
int moo(int i, int j) {
return !((i & 8) && j);
}
gcc -O2 -S:
.globl foo
.type foo, @function
foo:
shrl $3, %edi
xorl $1, %edi
testl %esi, %esi
sete %al
orl %eax, %edi
andl $1, %edi
movl %edi, %eax
ret
.globl moo
.type moo, @function
moo:
shrl $3, %edi
xorl $1, %edi
testl %esi, %esi
sete %al
orl %eax, %edi
andl $1, %edi
movl %edi, %eax
ret
- Davide
-
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