IPT-C2H-NIOS Altera, IPT-C2H-NIOS Datasheet - Page 42

• 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
3–2
Nios II C2H Compiler User Guide
Table 3–1
function.
Assignments
A C assignment operator stores the value of an expression to a variable.
As a general rule, every assignment operator in the C code, such as =,
translates to a registered signal in hardware. The value of an assignment's
expression is calculated in one clock cycle.
hardware that results from the following statement:
Figure 3–1. Hardware Resulting from Assignment
while (len > 0) {
result += *a++ * *b++;
len--;
Table 3–1. Hardware Structure for Arithmetic and Logical Operators
int sum = x + y;
lists the equivalent hardware structures resulting from this
Line
9.1
*
C Element
*
while
(multiply)
(pointer)
+=
++
--
>
Figure 3–1
Finite state machine with
nominal control logic. Refer to
section
page
32-bit comparator
64-bit adder
Avalon-MM master port to read
data (two total for
*b++
“Indirection Operator (Pointer
Dereference)” on page
32-bit up-counter (two total for
*a++
32x32=64-bit multiplier
32-bit down-counter
3–5.
). Refer to section
Hardware Structure
and
“Iteration Statements” on
shows the
*b++
Altera Corporation
November 2009
)
*a++
3–16.
and