Displaying 2 results from an estimated 2 matches for "cdfbr".
2018 Sep 20
3
Aliasing rules difference between GCC and Clang
...13 :
h: # @h
# %bb.0: # %entry
larl %r1, e
ld %f0, 0(%r1) // LOAD E
lrl %r2, g
cfdbr %r0, 5, %f0 // CONVERT E
lgfr %r0, %r0 // EXTEND E
cdfbr %f0, %r2
lgrl %r2, f
sllg %r3, %r0, 3
std %f0, 0(%r3,%r2) // STORE F ELEMENT
ld %f0, 0(%r1) // 2nd LOAD E <<<<<<<
cfdbr %r0, 5, %f0 // CONVERT
strl %r0, g // 2nd USE
...
2018 Sep 21
2
Aliasing rules difference between GCC and Clang
...# %bb.0: # %entry
> larl %r1, e
> ld %f0, 0(%r1) // LOAD E
> lrl %r2, g
> cfdbr %r0, 5, %f0 // CONVERT E
> lgfr %r0, %r0 // EXTEND E
> cdfbr %f0, %r2
> lgrl %r2, f
> sllg %r3, %r0, 3
> std %f0, 0(%r3,%r2) // STORE F ELEMENT
> ld %f0, 0(%r1) // 2nd LOAD E <<<<<<<
> cfdbr %r0, 5, %f0 // CONVERT
> ...