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Richard Sandiford 2636660b6f aarch64: Revert bogus fix for PR105254
In f2ebf2d98e I'd forced the
chosen unroll factor to be a factor of the VF, in order to
work around an exact_div ICE in PR105254.  This was completely
bogus -- clearly I didn't look in enough detail at why we ended
up with an unrolled VF that wasn't a multiple of the UF.

Kewen has since fixed the bug properly for PR105940, so this
patch reverts my earlier attempt.  Sorry for the stupidity.

gcc/
	PR tree-optimization/105254
	PR tree-optimization/105940

	Revert:

	* config/aarch64/aarch64.cc
	(aarch64_vector_costs::determine_suggested_unroll_factor): Take a
	loop_vec_info as argument.  Restrict the unroll factor to values
	that divide the VF.
	(aarch64_vector_costs::finish_cost): Update call accordingly.

gcc/testsuite/
	* gcc.target/aarch64/sve/cost_model_14.c: New test.
2022-06-15 11:12:51 +01:00
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gcc aarch64: Revert bogus fix for PR105254 2022-06-15 11:12:51 +01:00
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.dir-locals.el dir-locals: Use https for bug references 2021-07-20 11:40:34 +01:00
.gitattributes
.gitignore Vim swap files not ignored 2022-05-28 09:38:29 -06:00
ABOUT-NLS
ar-lib
ChangeLog Daily bump. 2022-05-29 00:16:31 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in config-ml.in: Suppress output from multi-do recipes 2020-11-09 14:28:37 +00:00
config.guess config.sub, config.guess : Import upstream 2021-01-25. 2021-02-23 17:21:10 +08:00
config.rpath
config.sub config.sub: change mode to 755. 2021-12-21 09:10:57 +01:00
configure LoongArch Port: Regenerate configure 2022-03-29 17:43:32 +08:00
configure.ac LoongArch Port: Regenerate configure 2022-03-29 17:43:32 +08:00
COPYING
COPYING.LIB
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COPYING3
COPYING3.LIB
depcomp
install-sh
libtool-ldflags
libtool.m4 Revert "Sync with binutils: GCC: Pass --plugin to AR and RANLIB" 2021-12-15 20:45:58 -08:00
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS MAINTAINERS: Add myself to write after approval 2022-05-13 09:30:38 -05:00
Makefile.def toplevel: Makefile.def: Make configure-sim depend on all-readline 2022-03-09 20:54:37 +01:00
Makefile.in toplevel: Makefile.def: Make configure-sim depend on all-readline 2022-03-09 20:54:37 +01:00
Makefile.tpl Revert "Sync with binutils: GCC: Pass --plugin to AR and RANLIB" 2021-12-15 20:45:58 -08:00
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