Status Update: Tutorial Example Lesson_C Lesson1_C Lesson2_C - Texas Instruments TMS320C6000 Programmer's Manual

Table 2–2. Status Update: Tutorial example lesson_c lesson1_c lesson2_c
Tutorial Example
Potential pointer aliasing info (discussed in Lesson 1)
Loop count info – minimum trip count (discussed in Lesson 2)
Loop count info – max trip count factor (discussed in Lesson 2)
Alignment info – xptr & yptr aligned on a word boundry (dis-
cussed in Lesson 3)
Cycles per iteration (discussed in Lesson 1–3)
Count, is displayed in the feedback. This represents the maximum signed inte-
ger value divided by two, or 3FFFFFFFh.
Therefore, by passing information without modifying the loop code, compiler
performance improves from a 10–cycle loop to 2 cycles and now to 1.5 cycles.
Q Is this the lower limit?
A Check out Lesson 3 to find out!
Lesson 2: Balancing Resources With Dual-Data Paths
Lesson_c
10
Compiler Optimization Tutorial
Lesson1_c Lesson2_c
p p
p
p
2 1.5
2-17