 Yuriy Sydorov
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7388735b11
* Strength reduction optimization: - Use a temp for complex loop start values to prevent double evaluation.
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3 年之前 |
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Yuriy Sydorov
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6bf4c7a68d
* Optimized evaluation of the condition.
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3 年之前 |
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Yuriy Sydorov
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b2165570de
* Fixed missing assignments with the strength reduction optimization.
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3 年之前 |
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Yuriy Sydorov
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bd4c206472
* Fixed the strength reduction optimization for loops containing 'continue'.
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3 年之前 |
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Yuriy Sydorov
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abe3002b5b
* Fixed lack of the calculation code for the strength reduction optimization.
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3 年之前 |
|
yury
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64c586b86d
* Removed/ifdefed lots of unused variables.
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4 年之前 |
 florian
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1ba8255af0
* do not try to unroll a loop if previously an error was thrown, resolves #37475
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5 年之前 |
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florian
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aca9727418
+ OptimizeForLoop: convert for-loops into zero-based backward for-loops if possible, for most architectures, this results in simpler code
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5 年之前 |
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florian
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ac974c9ab7
* improve is_loop_invariant for load nodes
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5 年之前 |
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florian
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507fc9c1ff
+ take care of addn and subn in is_loop_invariant
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5 年之前 |
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florian
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aabd7c7217
* more fixes for loop strength reduction
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5 年之前 |
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florian
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a9a711763f
* some fixes to loop strength reduction
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5 年之前 |
 Jonas Maebe
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281b3ad276
* fix case completeness and unreachable code warnings in compiler that would
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6 年之前 |
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florian
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21d785e41b
* do not unroll loops if the counter variable is accessed outside the current scope
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7 年之前 |
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florian
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8f472d5212
* check for more controll flow statements before doing loop unrolling
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7 年之前 |
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florian
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bd27b7635b
* also in case of constref make_not_regable with ra_addr_taken must be called, later on in pass_1 this happens anyways
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7 年之前 |
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florian
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c59bd8c29a
+ calculate loop unrolling using node_count_weighted which takes care of nodes generating no code
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7 年之前 |
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florian
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512328deee
* include loop unrolling in -O3, as it is done carefully, it is beneficial on average
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7 年之前 |
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florian
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fff6e0ecdb
* unroll more aggressively
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7 年之前 |
 nickysn
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efc5e339d0
* use an enum instead of integer constants to represent inline numbers
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8 年之前 |
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florian
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4731ebeb50
* reset initcode after adding it to the statements list, so further iterations of loop optimization create a new one
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9 年之前 |
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florian
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b59219b8e0
* when getting rid of a for loop by unrolling, simplify the block afterwards,
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9 年之前 |
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florian
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f813703cf3
* fixes several issues with loop unrolling
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10 年之前 |
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Jonas Maebe
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b57c95043f
+ support overriding tdef/tsym methods with target-specific functionality:
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11 年之前 |
|
florian
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1366498255
+ nf_addr_taken: it marks nodes which address is taken
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11 年之前 |
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florian
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30352c7f7b
* fix several issues with loop strength reduction to make it working
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11 年之前 |
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florian
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a0f0d0de40
* make use of the noreturn directive for internalerror
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11 年之前 |
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florian
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d23a5b7c7d
* store break/continue usage in a variable
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12 年之前 |
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florian
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912268b1b9
* make loop unrolling dependent on the cpu optimization type instead of the instruction set
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12 年之前 |
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florian
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b262b4d76b
* fix loop unrolling of for in loops
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12 年之前 |
