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5 Commits

Author SHA1 Message Date
Chen Zheng
d0022a7250 [PowerPC] copy byval parameter to caller's stack when needed 
Now we won't copy the byval parameter (bigger than 8 bytes) to
caller's parameter save area. Instead, we will only copy the
byval parameter when it can not be passed entirely in registers
which means we have to use parameter save area according to the
64 bit SVR4 ABI.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D111485
 2021-12-09 01:00:47 +00:00
Chen Zheng
4ead32d1cf [PowerPC] update test case using the scripts; nfc 2021-10-10 14:39:20 +00:00
Chen Zheng
80584f0056 Revert "[PowerPC][ELF] make sure local variable space does not overlap with parameter save area" 
This causes mix-compile issues on PowerPC Linux.

This reverts commit 324bd467a217d89b5ab84a8ed66c0d3dc431782a.
 2021-09-17 08:07:18 +00:00
Chen Zheng
324bd467a2 [PowerPC][ELF] make sure local variable space does not overlap with parameter save area 
Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D105271
 2021-08-27 01:58:41 +00:00
Chen Zheng
c32186038d [PowerPC] add a testcase for byval parameter; NFC 2021-07-01 09:42:12 +00:00