On Friday, July 3, 2020, Alex Richardson <alexander.richard...@cl.cam.ac.uk> wrote:
> After merging latest QEMU upstream into our CHERI fork, I noticed that > some of the FPU tests in our MIPS baremetal testsuite > (https://github.com/CTSRD-CHERI/cheritest) started failing. It turns out > this commit accidentally changed add.s into a subtract. > > Alex, all you said sounds very probable to me. I currently don't have any dev system, at hand, but as soon as I get it, I will confirm/disconfirm (but again, most likely confirm) this problem, and than we'll give you green lifght for your patch. Yours, Aleksandar > Signed-off-by: Alex Richardson <alexander.richard...@cl.cam.ac.uk> > --- > target/mips/fpu_helper.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/target/mips/fpu_helper.c b/target/mips/fpu_helper.c > index 7a3a61cab3..56beda49d8 100644 > --- a/target/mips/fpu_helper.c > +++ b/target/mips/fpu_helper.c > @@ -1221,7 +1221,7 @@ uint32_t helper_float_add_s(CPUMIPSState *env, > { > uint32_t wt2; > > - wt2 = float32_sub(fst0, fst1, &env->active_fpu.fp_status); > + wt2 = float32_add(fst0, fst1, &env->active_fpu.fp_status); > update_fcr31(env, GETPC()); > return wt2; > } > -- > 2.27.0 > >