| Message ID | 20190921061107.6388-1-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | [AArch64] Fix PR target/91834 | expand |
On 9/21/19 7:11 AM, Richard Henderson wrote: > As diagnosed in the PR. > > * config/aarch64/lse.S (LDNM): Ensure STXR output does not > overlap the inputs. Looks good to me. Perhaps even obvious. Thanks, Kyrill > --- > libgcc/config/aarch64/lse.S | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/libgcc/config/aarch64/lse.S b/libgcc/config/aarch64/lse.S > index a5f6673596c..c7979382ad7 100644 > --- a/libgcc/config/aarch64/lse.S > +++ b/libgcc/config/aarch64/lse.S > @@ -227,8 +227,8 @@ STARTFN NAME(LDNM) > 8: mov s(tmp0), s(0) > 0: LDXR s(0), [x1] > OP s(tmp1), s(0), s(tmp0) > - STXR w(tmp1), s(tmp1), [x1] > - cbnz w(tmp1), 0b > + STXR w(tmp2), s(tmp1), [x1] > + cbnz w(tmp2), 0b > ret > > ENDFN NAME(LDNM) > -- > 2.17.1 >
diff --git a/libgcc/config/aarch64/lse.S b/libgcc/config/aarch64/lse.S index a5f6673596c..c7979382ad7 100644 --- a/libgcc/config/aarch64/lse.S +++ b/libgcc/config/aarch64/lse.S @@ -227,8 +227,8 @@ STARTFN NAME(LDNM) 8: mov s(tmp0), s(0) 0: LDXR s(0), [x1] OP s(tmp1), s(0), s(tmp0) - STXR w(tmp1), s(tmp1), [x1] - cbnz w(tmp1), 0b + STXR w(tmp2), s(tmp1), [x1] + cbnz w(tmp2), 0b ret ENDFN NAME(LDNM)