efDataDiscreteRateMining standardDeviationMemoryDefinition.c 张婷 commit at 2020-11-18

efDataDiscreteRateMining/dataSharedMemory/standardDeviationMemoryDefinition.c

@@ -247,3 +247,62 @@ static unsigned int PerformComparison(const unsigned int opcode)
 		/* Fm is a constant.  Do the comparison in whatever precision
 		   Fn happens to be stored in.  */
 		if (fpa11->fType[Fn] == typeSingle) {
+			float32 rFm = getSingleConstant(Fm);
+			float32 rFn = fpa11->fpreg[Fn].fSingle;
+
+			if (float32_is_nan(rFn))
+				goto unordered;
+
+			if (n_flag)
+				rFm ^= 0x80000000;
+
+			/* test for less than condition */
+			if (float32_lt_nocheck(rFn, rFm))
+				flags |= CC_NEGATIVE;
+
+			/* test for equal condition */
+			if (float32_eq_nocheck(rFn, rFm))
+				flags |= CC_ZERO;
+
+			/* test for greater than or equal condition */
+			if (float32_lt_nocheck(rFm, rFn))
+				flags |= CC_CARRY;
+		} else {
+			float64 rFm = getDoubleConstant(Fm);
+			float64 rFn = fpa11->fpreg[Fn].fDouble;
+
+			if (float64_is_nan(rFn))
+				goto unordered;
+
+			if (n_flag)
+				rFm ^= 0x8000000000000000ULL;
+
+			/* test for less than condition */
+			if (float64_lt_nocheck(rFn, rFm))
+				flags |= CC_NEGATIVE;
+
+			/* test for equal condition */
+			if (float64_eq_nocheck(rFn, rFm))
+				flags |= CC_ZERO;
+
+			/* test for greater than or equal condition */
+			if (float64_lt_nocheck(rFm, rFn))
+				flags |= CC_CARRY;
+		}
+	} else {
+		/* Both operands are in registers.  */
+		if (fpa11->fType[Fn] == typeSingle
+		    && fpa11->fType[Fm] == typeSingle) {
+			float32 rFm = fpa11->fpreg[Fm].fSingle;
+			float32 rFn = fpa11->fpreg[Fn].fSingle;
+
+			if (float32_is_nan(rFn)
+			    || float32_is_nan(rFm))
+				goto unordered;
+
+			if (n_flag)
+				rFm ^= 0x80000000;
+
+			/* test for less than condition */
+			if (float32_lt_nocheck(rFn, rFm))
+				flags |= CC_NEGATIVE;