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3 Commits

Author SHA1 Message Date
Anil Mahmud 246d106094 [PowerPC] Fix pattern for DCBFL/DCBFLP instrinsics. 
The previous implementation used "asm parser only" pseudo-instructions in their
output patterns. Those are not meant to emit code and will caused crashes when
built with -filetype=obj.

Differential Revision: https://reviews.llvm.org/D80151
 2020-06-08 20:54:59 -05:00
Anil Mahmud b413e5c309 [PowerPC] Add support for intrinsics llvm.ppc.dcbfl and llvm.ppc.dcbflp 
Added support for the intrinsic llvm.ppc.dcbfl and llvm.ppc.dcbflp.
These will be used for emitting cache control instructions dcbfl and dcbflp
which are actually mnemonics for using dcbf instruction with different
immediate arguments.

dcbfl ra, rb -> dcbf ra, rb, 1
dcbflp, ra, rb -> dcbf ra, rb, 3

Differential Revision: https://reviews.llvm.org/D68411
 2020-02-12 09:02:17 -06:00
Ahsan Saghir 3962d6da17 Add __builtin_dcbf support for PPC 
Summary:
This patch adds support for __builtin_dcbf for PPC.

__builtin_dcbf copies the contents of a modified block from the data cache
to main memory and flushes the copy from the data cache.

Differential revision: https://reviews.llvm.org/D59843

llvm-svn: 359517
 2019-04-29 23:25:33 +00:00