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4 Commits

Author SHA1 Message Date
Krzysztof Parzyszek f528816d58 [Hexagon] Move selection of HVX multiply from lowering to patterns 
Also, change i32*i32 to V6_vmpyieoh + V6_vmpyiewuh_acc, which works
on V60 as well.
 2020-10-02 16:04:34 -05:00
Krzysztof Parzyszek 4ef9275b9b [Hexagon] Emit better 32-bit multiplication sequence for HVXv62+ 2020-08-27 15:24:32 -05:00
Krzysztof Parzyszek 02947b7112 [Hexagon] Use V6_vmpyih for halfword multiplication 
Unlike V6_vmpyhv, it produces the result in the exact form that is
expected without the need for a shuffle.

llvm-svn: 324241
 2018-02-05 15:40:06 +00:00
Krzysztof Parzyszek 039d4d9286 [Hexagon] Generate HVX code for basic arithmetic operations 
Handle and, or, xor, add, sub, mul for vectors of i8, i16, and i32.

llvm-svn: 320063
 2017-12-07 17:37:28 +00:00