6.7.6 Options for Controlling Optimization

The following options control compiler optimizations. See also 19 Optimizations.

Table 6-4. General Optimization Options
Option	Summary
`-O0`	No optimizations (default)
`-O1`, `-O`	Optimization level 1
`-O2`	Optimization level 2
`-O3`	Optimization level 3
`-Os`	Optimization level s

Other optimization options are:

6.7.6.6 Options For Specific Optimization Control

6.7.6.7 Options that Specify Machine-Independent Flags

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