Commit Graph

4 Commits

Author SHA1 Message Date
Qiu Chaofan a5b7b8cce0 [PowerPC] Support constrained scalar sitofp/uitofp
This patch adds support for constrained scalar int to fp operations on
PowerPC. Besides, this also fixes the FP exception bit of FCFID*
instructions.

Reviewed By: steven.zhang, uweigand

Differential Revision: https://reviews.llvm.org/D81669
2020-08-22 02:10:29 +08:00
Qiu Chaofan 13edcd696e [PowerPC] Support constrained rounding operations
This patch adds handling of constrained FP intrinsics about round,
truncate and extend for PowerPC target, with necessary tests.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D64193
2020-06-14 23:43:31 +08:00
Kai Luo b7d5229d78 [PowerPC] Update alignment for ReuseLoadInfo in LowerFP_TO_INTForReuse
In LowerFP_TO_INTForReuse, when emitting `stfiwx`, alignment of 4 is
set for the `MachineMemOperand`, but RLI(ReuseLoadInfo)'s alignment is
not updated for following loads.

It's related to failed alignment check reported in
https://bugs.llvm.org/show_bug.cgi?id=45297

Differential Revision: https://reviews.llvm.org/D77624
2020-04-10 05:49:19 +00:00
Kai Luo 68ef0b6a49 [PowerPC] Pre-commit test case of float rounding in kernel build. NFC. 2020-04-07 02:07:58 +00:00