Message ID | 20181221195200.6544-3-cota@braap.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | fp-bench fixes | expand |
On 12/22/18 6:52 AM, Emilio G. Cota wrote: > At this point random_ops[] only contains normals, so there's > no need to do anything to them. In fact, raising the exponent > here can make the output !normal, which is precisely > what the comment says we want to avoid. > > Signed-off-by: Emilio G. Cota <cota@braap.org> > --- > tests/fp/fp-bench.c | 4 ---- > 1 file changed, 4 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/tests/fp/fp-bench.c b/tests/fp/fp-bench.c index 546bac9c9c..4ba5e1d2d4 100644 --- a/tests/fp/fp-bench.c +++ b/tests/fp/fp-bench.c @@ -176,8 +176,6 @@ static void fill_random(union fp *ops, int n_ops, enum precision prec, if (no_neg && float32_is_neg(ops[i].f32)) { ops[i].f32 = float32_chs(ops[i].f32); } - /* raise the exponent to limit the frequency of denormal results */ - ops[i].f32 |= 0x40000000; break; case PREC_DOUBLE: case PREC_FLOAT64: @@ -185,8 +183,6 @@ static void fill_random(union fp *ops, int n_ops, enum precision prec, if (no_neg && float64_is_neg(ops[i].f64)) { ops[i].f64 = float64_chs(ops[i].f64); } - /* raise the exponent to limit the frequency of denormal results */ - ops[i].f64 |= LIT64(0x4000000000000000); break; default: g_assert_not_reached();
At this point random_ops[] only contains normals, so there's no need to do anything to them. In fact, raising the exponent here can make the output !normal, which is precisely what the comment says we want to avoid. Signed-off-by: Emilio G. Cota <cota@braap.org> --- tests/fp/fp-bench.c | 4 ---- 1 file changed, 4 deletions(-)