 Rika Ichinose
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f1301a14e1
optloop.pas: move global variables to a context object.
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hai 1 mes |
 florian
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9d94ccdc38
* set types of start value calculation correctly when doing strength reduction, resolves #41054
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hai 10 meses |
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Rika Ichinose
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11d16be702
Add a bound parameter to node_count(_weighted).
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%!s(int64=3) %!d(string=hai) anos |
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florian
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3206b2e0cd
* clean up
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hai 10 meses |
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florian
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ac4b089e14
* avoid that types of limits of reverted loops are widened
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hai 10 meses |
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florian
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c236ac5e97
* revert for loops also if the upper limit is non-constant
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hai 10 meses |
 J. Gareth "Curious Kit" Moreton
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2b7df4237b
* nf_pass1_done, nf_error, nf_processing and nf_do_not_execute
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hai 1 ano |
 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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%!s(int64=4) %!d(string=hai) anos |
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Yuriy Sydorov
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6bf4c7a68d
* Optimized evaluation of the condition.
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%!s(int64=4) %!d(string=hai) anos |
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Yuriy Sydorov
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b2165570de
* Fixed missing assignments with the strength reduction optimization.
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%!s(int64=4) %!d(string=hai) anos |
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Yuriy Sydorov
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bd4c206472
* Fixed the strength reduction optimization for loops containing 'continue'.
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%!s(int64=4) %!d(string=hai) anos |
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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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%!s(int64=4) %!d(string=hai) anos |
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yury
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64c586b86d
* Removed/ifdefed lots of unused variables.
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%!s(int64=4) %!d(string=hai) anos |
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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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%!s(int64=5) %!d(string=hai) anos |
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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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%!s(int64=5) %!d(string=hai) anos |
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florian
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ac974c9ab7
* improve is_loop_invariant for load nodes
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%!s(int64=5) %!d(string=hai) anos |
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florian
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507fc9c1ff
+ take care of addn and subn in is_loop_invariant
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%!s(int64=5) %!d(string=hai) anos |
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florian
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aabd7c7217
* more fixes for loop strength reduction
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%!s(int64=5) %!d(string=hai) anos |
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florian
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a9a711763f
* some fixes to loop strength reduction
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%!s(int64=5) %!d(string=hai) anos |
 Jonas Maebe
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281b3ad276
* fix case completeness and unreachable code warnings in compiler that would
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%!s(int64=6) %!d(string=hai) anos |
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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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%!s(int64=7) %!d(string=hai) anos |
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florian
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8f472d5212
* check for more controll flow statements before doing loop unrolling
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%!s(int64=7) %!d(string=hai) anos |
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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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%!s(int64=7) %!d(string=hai) anos |
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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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%!s(int64=7) %!d(string=hai) anos |
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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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%!s(int64=7) %!d(string=hai) anos |
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florian
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fff6e0ecdb
* unroll more aggressively
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%!s(int64=7) %!d(string=hai) anos |
 nickysn
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efc5e339d0
* use an enum instead of integer constants to represent inline numbers
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%!s(int64=8) %!d(string=hai) anos |
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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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%!s(int64=9) %!d(string=hai) anos |
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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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%!s(int64=9) %!d(string=hai) anos |
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florian
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f813703cf3
* fixes several issues with loop unrolling
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%!s(int64=10) %!d(string=hai) anos |
