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3 Commits

Author SHA1 Message Date
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
Biplob Mishra 0c6b6e28e7 [PowerPC] Implement Vector Splat Immediate Builtins in Clang 
Implements builtins for the following prototypes:
  vector signed int vec_splati (const signed int);
  vector float vec_splati (const float);
  vector double vec_splatid (const float);
  vector signed int vec_splati_ins (vector signed int, const unsigned int,
                                    const signed int);
  vector unsigned int vec_splati_ins (vector unsigned int, const unsigned int,
                                      const unsigned int);
  vector float vec_splati_ins (vector float, const unsigned int, const float);

Differential Revision: https://reviews.llvm.org/D82520
 2020-07-06 20:29:33 -05:00
Anil Mahmud c5b4f03b53 [PowerPC] Exploit xxspltiw and xxspltidp instructions 
Exploits the VSX Vector Splat Immediate Word and
VSX Vector Splat Immediate Double Precision instructions:

  xxspltiw XT,IMM32
  xxspltidp XT,IMM32

Differential Revision: https://reviews.llvm.org/D82911
 2020-07-01 19:18:29 -05:00