https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87436
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45230
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45230&action=edit
gcc9-pr87436.patch
The following patch addresses the memory consumption and to some extent compile
time issue, but doesn't change what is emitted.
Unpatched trunk:
Time variable usr sys wall
GGC
phase setup : 0.00 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
1355 kB ( 0%)
phase parsing : 0.01 ( 0%) 0.00 ( 0%) 0.00 ( 0%)
638 kB ( 0%)
phase opt and generate : 506.62 (100%) 2.20 (100%) 510.10
(100%)39325772 kB (100%)
garbage collection : 4.84 ( 1%) 0.47 ( 21%) 5.36 ( 1%)
0 kB ( 0%)
callgraph construction : 0.01 ( 0%) 0.00 ( 0%) 0.00 ( 0%)
5 kB ( 0%)
ipa dead code removal : 0.01 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
0 kB ( 0%)
ipa icf : 2.06 ( 0%) 0.00 ( 0%) 2.06 ( 0%)
0 kB ( 0%)
parser (global) : 0.01 ( 0%) 0.00 ( 0%) 0.00 ( 0%)
571 kB ( 0%)
integration : 28.56 ( 6%) 0.00 ( 0%) 28.63 ( 6%)
2621665 kB ( 7%)
tree gimplify : 7.33 ( 1%) 1.24 ( 56%) 8.58 ( 2%)
5244044 kB ( 13%)
tree VRP : 0.01 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
2 kB ( 0%)
tree Early VRP : 63.00 ( 12%) 0.00 ( 0%) 63.16 ( 12%)
5243330 kB ( 13%)
tree PTA : 0.01 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
0 kB ( 0%)
tree CCP : 33.00 ( 7%) 0.00 ( 0%) 33.09 ( 6%)
2621664 kB ( 7%)
tree PRE : 43.59 ( 9%) 0.00 ( 0%) 43.70 ( 9%)
2621665 kB ( 7%)
tree FRE : 92.77 ( 18%) 0.00 ( 0%) 93.02 ( 18%)
7864992 kB ( 20%)
tree forward propagate : 200.09 ( 39%) 0.01 ( 0%) 200.62 (
39%)13108320 kB ( 33%)
tree conservative DCE : 0.02 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
0 kB ( 0%)
tree loop optimization : 0.00 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
0 kB ( 0%)
expand : 1.80 ( 0%) 0.00 ( 0%) 1.80 ( 0%)
5 kB ( 0%)
integrated RA : 0.09 ( 0%) 0.00 ( 0%) 0.10 ( 0%)
24 kB ( 0%)
final : 29.41 ( 6%) 0.47 ( 21%) 29.92 ( 6%)
1 kB ( 0%)
rest of compilation : 0.02 ( 0%) 0.01 ( 0%) 0.01 ( 0%)
2 kB ( 0%)
TOTAL : 506.63 2.20 510.11
39327775 kB
Patched trunk:
Time variable usr sys wall
GGC
phase setup : 0.00 ( 0%) 0.14 ( 15%) 0.14 ( 0%)
1355 kB ( 64%)
phase opt and generate : 27.58 (100%) 0.49 ( 53%) 28.11 ( 92%)
112 kB ( 5%)
phase finalize : 0.01 ( 0%) 0.29 ( 32%) 2.26 ( 7%)
0 kB ( 0%)
final : 27.57 (100%) 0.49 ( 53%) 28.10 ( 92%)
1 kB ( 0%)
initialize rtl : 0.01 ( 0%) 0.00 ( 0%) 0.01 ( 0%)
12 kB ( 1%)
TOTAL : 27.59 0.92 30.51
2116 kB
