benchdnn: reorder: update filling for s32->f32 cases with zero-points

Author: dzarukin

tests/benchdnn/reorder/cfg.cpp

@@ -42,10 +42,11 @@ REG(f8_e5m2, -f16_max_exact, f16_max_exact);
 REG(f8_e4m3, -f16_max_exact, f16_max_exact);
 REG(f4_e2m1, -f16_max_exact, f16_max_exact);
 REG(f4_e3m0, -f4_max_exact, f4_max_exact);
-// Do not exceed max float value representable in integer. Otherwise, we get
-// a correctness issue caused by different computations in reference and the
-// library.
-REG(s32, INT_MIN, BENCHDNN_S32_TO_F32_SAT_CONST);
+// Do not exceed min/max float value representable in integer. Otherwise, we get
+// a correctness issue caused by different computations or roudings in the naive
+// reference and the library. One of those can be zero-point subtracting which
+// leads to underflow or overflow.
+REG(s32, -BENCHDNN_S32_TO_F32_SAT_CONST, BENCHDNN_S32_TO_F32_SAT_CONST);
 REG(s8, INT8_MIN, INT8_MAX);
 REG(u8, 0, UINT8_MAX);
 REG(s4, -7, 8);