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aarch64: Re-enable ldp/stp fusion pass

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Since, to the best of my knowledge, all reported regressions related to
the ldp/stp fusion pass have now been fixed, and PGO+LTO bootstrap with
--enable-languages=all is working again with the passes enabled, this
patch turns the passes back on by default, as agreed with Jakub here:

https://gcc.gnu.org/pipermail/gcc-patches/2024-January/642478.html

gcc/ChangeLog:

	* config/aarch64/aarch64.opt (-mearly-ldp-fusion): Set default
	to 1.
	(-mlate-ldp-fusion): Likewise.
This commit is contained in:
Alex Coplan 2024-01-24 09:22:19 +00:00
parent 5900471166
commit da9647e98a
1 changed files with 2 additions and 2 deletions
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4
gcc/config/aarch64/aarch64.opt
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@ -290,12 +290,12 @@ Target Var(aarch64_track_speculation)
Generate code to track when the CPU might be speculating incorrectly.
mearly-ldp-fusion
Target Var(flag_aarch64_early_ldp_fusion) Optimization Init(0)
Target Var(flag_aarch64_early_ldp_fusion) Optimization Init(1)
Enable the copy of the AArch64 load/store pair fusion pass that runs before
register allocation.
mlate-ldp-fusion
Target Var(flag_aarch64_late_ldp_fusion) Optimization Init(0)
Target Var(flag_aarch64_late_ldp_fusion) Optimization Init(1)
Enable the copy of the AArch64 load/store pair fusion pass that runs after
register allocation.