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2 Commits

Author SHA1 Message Date
Sean Fertile
b8f612e780 [PowerPC][AIX] Packed zero-width bitfields do not affect alignment. 
Zero-width bitfields on AIX pad out to the natral alignment boundary but
do not change the containing records alignment.

Differential Revision: https://reviews.llvm.org/D106900
 2021-08-04 11:03:25 -04:00
Steven Wan
798fe3c774 [PowerPC][AIX] Fix Zero-width bit fields wrt MaxFieldAlign. 
On AIX when there is a pragma pack, or pragma align in effect then zero-width bitfields should pad out to the end of the bitfield container but not increase the alignment requirements of the struct greater then the max field align.

Reviewed By: ZarkoCA

Differential Revision: https://reviews.llvm.org/D105635
 2021-07-12 15:31:15 -04:00