[NWFPE] performance improvements [Part 5]

NWFPE performance improvements, part 5.  Builds on patch 1467/1.

Inline the functions getTransferLength(), getRegisterCount(),
and getRoundingPrecision().  This buys 1.6% speed gain.

arch/arm/nwfpe/fpopcode.c

@@ -61,93 +61,6 @@ const float32 float32Constant[] = {
 	0x41200000		/* single 10.0 */
 };
 
-unsigned int getTransferLength(const unsigned int opcode)
-{
-	unsigned int nRc;
-
-	switch (opcode & MASK_TRANSFER_LENGTH) {
-	case 0x00000000:
-		nRc = 1;
-		break;		/* single precision */
-	case 0x00008000:
-		nRc = 2;
-		break;		/* double precision */
-	case 0x00400000:
-		nRc = 3;
-		break;		/* extended precision */
-	default:
-		nRc = 0;
-	}
-
-	return (nRc);
-}
-
-unsigned int getRegisterCount(const unsigned int opcode)
-{
-	unsigned int nRc;
-
-	switch (opcode & MASK_REGISTER_COUNT) {
-	case 0x00000000:
-		nRc = 4;
-		break;
-	case 0x00008000:
-		nRc = 1;
-		break;
-	case 0x00400000:
-		nRc = 2;
-		break;
-	case 0x00408000:
-		nRc = 3;
-		break;
-	default:
-		nRc = 0;
-	}
-
-	return (nRc);
-}
-
-unsigned int getRoundingPrecision(const unsigned int opcode)
-{
-	unsigned int nRc;
-
-	switch (opcode & MASK_ROUNDING_PRECISION) {
-	case 0x00000000:
-		nRc = 1;
-		break;
-	case 0x00000080:
-		nRc = 2;
-		break;
-	case 0x00080000:
-		nRc = 3;
-		break;
-	default:
-		nRc = 0;
-	}
-
-	return (nRc);
-}
-
-unsigned int getDestinationSize(const unsigned int opcode)
-{
-	unsigned int nRc;
-
-	switch (opcode & MASK_DESTINATION_SIZE) {
-	case 0x00000000:
-		nRc = typeSingle;
-		break;
-	case 0x00000080:
-		nRc = typeDouble;
-		break;
-	case 0x00080000:
-		nRc = typeExtended;
-		break;
-	default:
-		nRc = typeNone;
-	}
-
-	return (nRc);
-}
-
 /* condition code lookup table
  index into the table is test code: EQ, NE, ... LT, GT, AL, NV
  bit position in short is condition code: NZCV */

arch/arm/nwfpe/fpopcode.h

@@ -387,7 +387,91 @@ static inline const float32 getSingleConstant(const unsigned int nIndex)
 	return float32Constant[nIndex];
 }
 
-extern unsigned int getRegisterCount(const unsigned int opcode);
-extern unsigned int getDestinationSize(const unsigned int opcode);
+static inline unsigned int getTransferLength(const unsigned int opcode)
+{
+	unsigned int nRc;
+
+	switch (opcode & MASK_TRANSFER_LENGTH) {
+	case 0x00000000:
+		nRc = 1;
+		break;		/* single precision */
+	case 0x00008000:
+		nRc = 2;
+		break;		/* double precision */
+	case 0x00400000:
+		nRc = 3;
+		break;		/* extended precision */
+	default:
+		nRc = 0;
+	}
+
+	return (nRc);
+}
+
+static inline unsigned int getRegisterCount(const unsigned int opcode)
+{
+	unsigned int nRc;
+
+	switch (opcode & MASK_REGISTER_COUNT) {
+	case 0x00000000:
+		nRc = 4;
+		break;
+	case 0x00008000:
+		nRc = 1;
+		break;
+	case 0x00400000:
+		nRc = 2;
+		break;
+	case 0x00408000:
+		nRc = 3;
+		break;
+	default:
+		nRc = 0;
+	}
+
+	return (nRc);
+}
+
+static inline unsigned int getRoundingPrecision(const unsigned int opcode)
+{
+	unsigned int nRc;
+
+	switch (opcode & MASK_ROUNDING_PRECISION) {
+	case 0x00000000:
+		nRc = 1;
+		break;
+	case 0x00000080:
+		nRc = 2;
+		break;
+	case 0x00080000:
+		nRc = 3;
+		break;
+	default:
+		nRc = 0;
+	}
+
+	return (nRc);
+}
+
+static inline unsigned int getDestinationSize(const unsigned int opcode)
+{
+	unsigned int nRc;
+
+	switch (opcode & MASK_DESTINATION_SIZE) {
+	case 0x00000000:
+		nRc = typeSingle;
+		break;
+	case 0x00000080:
+		nRc = typeDouble;
+		break;
+	case 0x00080000:
+		nRc = typeExtended;
+		break;
+	default:
+		nRc = typeNone;
+	}
+
+	return (nRc);
+}
 
 #endif