diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -87740,8 +87740,8 @@ provides control over compiler optimizations. The variable takes on integer values. If the value is .codn nil , -it is interpreted as zero. The meaningful range is from 0 to 6. -The initial value of the variable is 6. +it is interpreted as zero. The meaningful range is from 0 to 7. +The initial value of the variable is 7. The meanings of the values are as follows: @@ -87774,6 +87774,8 @@ Data flow optimizations are applied, such as elimination of dead register moves, or useless propagations of values from one register to another. More peephole optimizations are applied. .IP 6 +Another pass of the levels 4 and 5 optimizations is performed. +.IP 7 Certain more rarely applicable optimizations are applied which reduce code size by merging some identical code blocks, or improving some more rarely occurring instruction patterns. |