IPT-C2H-NIOS Altera, IPT-C2H-NIOS Datasheet - Page 50

• Manufacturer Part Number: IPT-C2H-NIOS
• Description: C2H COMPILER FOR NIOS II
• Manufacturer: Altera
• Series: Nios®IIr
• Type: Nios IIr

Specifications of IPT-C2H-NIOS

• Function: C to Hardware Compiler
• License: Initial License
• Software Application: IP CORE, NIOS Processor And Functions
• Core Architecture: FPGA
• Core Sub-architecture: Cyclone
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: Not applicable / Not applicable

One-to-One C-to-Hardware Mapping
3–10
Nios II C2H Compiler User Guide
Table 3–4
equivalent if-else statements.
Figure 3–7
from
switch (byte_select)
{
}
Table 3–4. switch Statement Converted to if-else Statements
case 1:
case 2:
case 3:
default:
Table
out = in & 0x0000ff00;
break;
out = in & 0x00ff0000;
break;
out = in & 0xff000000;
break;
out = in & 0x000000ff;
switch Implementation
shows an example of a switch statement converted to
shows the logic that results of translating the if-else code
3–4.
9.1
if (byte_select == 1)
else
out = in & 0x0000ff00;
if (byte_select == 2)
else
out = in & 0x00ff0000;
if (byte_select == 3)
else
if-else Implementation
out = in & 0xff000000;
out = in & 0x000000ff;
Altera Corporation
November 2009