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4 Commits

Author SHA1 Message Date
Qiu Chaofan 67c64d8337 [PowerPC] Implement scheduling model for Power10 
Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D110855
 2021-10-18 15:27:49 +08:00
Victor Huang 6e1aaf18af [PowerPC] Mark splat immediate instructions as rematerializable 
This patch marks splat immediate instructions XXSPLTIW and XXSPLTIDP as
rematerializable to prevent MachineLICM from moving them out of loops.

Reviewed By: lei, amy

Differential revision: https://reviews.llvm.org/D108823
 2021-09-24 12:03:34 -05:00
Fangrui Song d33abc337c Migrate MCContext::createTempSymbol call sites to AlwaysAddSuffix=true 
Most call sites set AlwaysAddSuffix to true. The two use cases do not really
need false and can be more consistent with other temporary symbol usage.
 2020-12-21 14:04:13 -08:00
Amy Kwan 803cc3aff2 [PowerPC] Implement Set Boolean Condition Instructions 
This patch implements the set boolean condition instructions introduced in
POWER10.

The set boolean condition instructions (set[n]bc[r]) are used during
the following situations:
- sign/zero/any extending i1 to an i32 or i64,
- reg+reg, reg+imm or floating point comparisons being sign/zero extended to i32 or i64,
- spilling CR bits (using the setnbc instruction)

Differential Revision: https://reviews.llvm.org/D87705
 2020-10-26 18:42:51 -05:00