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4 Commits

Author SHA1 Message Date
Simon Pilgrim
2e8aa2dcbc [PowerPC] Regenerate vec_absd.ll test checks 2023-01-22 17:19:48 +00:00
Li Rong Yi
3101601b54 [PowerPC] Exploit vabsd on P9 
Summary: Exploit vabsd* for for absolute difference of vectors on P9,
for example:
void foo (char *restrict p, char *restrict q, char *restrict t)
{
  for (int i = 0; i < 16; i++)
     t[i] = abs (p[i] - q[i]);
}
this case should be matched to the HW instruction vabsdub.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D80271
 2020-06-01 02:30:27 +00:00
Benjamin Kramer
db9e0b659d Fix some broken CHECK lines. 
The colon is important.

llvm-svn: 292761
 2017-01-22 20:28:56 +00:00
Nemanja Ivanovic
60bdfe5a7c [PPC] add absolute difference altivec instructions and matching intrinsics 
This patch corresponds to review https://reviews.llvm.org/D26072.
Committing on behalf of Sean Fertile.

llvm-svn: 285627
 2016-10-31 19:47:52 +00:00