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| author | 2024-09-11 16:29:10 +0000 | |
|---|---|---|
| committer | 2024-09-13 09:28:01 +0000 | |
| commit | d0bc68e1f40259230329e6709c72af187f72144c (patch) | |
| tree | 0fbe11c2b48441b1b40d598883611ece8148352d /compiler/optimizing/instruction_simplifier_shared.h | |
| parent | d0929a5662cf29440667e40fadcf839e5fb8aa45 (diff) | |
riscv64: Add node Rol, fix InstructionBuilder
This reverts commit 744830cb242c82c4637e6fb303b36d0371c84979.
Reason for revert: updated CHECKer test to use rolw instead of rol.
Change-Id: I50e34c6ac69488a9c083f04c6382df4302e8e7d3
Diffstat (limited to 'compiler/optimizing/instruction_simplifier_shared.h')
| -rw-r--r-- | compiler/optimizing/instruction_simplifier_shared.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/optimizing/instruction_simplifier_shared.h b/compiler/optimizing/instruction_simplifier_shared.h index de70ec5a8a..8e61109b0e 100644 --- a/compiler/optimizing/instruction_simplifier_shared.h +++ b/compiler/optimizing/instruction_simplifier_shared.h @@ -77,6 +77,14 @@ bool TryExtractVecArrayAccessAddress(HVecMemoryOperation* access, HInstruction* // Add(c, Sub(b, a)) bool TryReplaceSubSubWithSubAdd(HSub* last_sub); +// ARM does not contain instruction ROL so replace +// ROL dest, a, distance +// with +// NEG neg, distance +// ROR dest, a, neg +// before GVN to give it a chance to deduplicate the instructions, if it's able. +void UnfoldRotateLeft(HRol* rol); + } // namespace art #endif // ART_COMPILER_OPTIMIZING_INSTRUCTION_SIMPLIFIER_SHARED_H_ |