History log of /llvm-project-15.0.7/llvm/lib/Target/SystemZ/SystemZCopyPhysRegs.cpp (Results 1 – 3 of 3)
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# 3432d40c 20-Jun-2022 Jonas Paulsson <[email protected]>

[SystemZ] Remove unnecessary casts to SystemZInstrInfo (NFC).

Review: Ulrich Weigand


Revision tags: llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3
# d5ae039e 20-Jan-2022 Kai Nacke <[email protected]>

[SystemZ] Properly register machine passes.

Registering the passes enables use of -stop-before=/-stop-after
options.

Reviewed By: uweigand

Differential Revision: https://reviews.llvm.org/D117823


Revision tags: llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2, llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3, llvmorg-12.0.0-rc1, llvmorg-13-init, llvmorg-11.1.0-rc2, llvmorg-11.1.0-rc1, llvmorg-11.0.1, llvmorg-11.0.1-rc2, llvmorg-11.0.1-rc1, llvmorg-11.0.0, llvmorg-11.0.0-rc6, llvmorg-11.0.0-rc5, llvmorg-11.0.0-rc4, llvmorg-11.0.0-rc3, llvmorg-11.0.0-rc2, llvmorg-11.0.0-rc1, llvmorg-12-init, llvmorg-10.0.1, llvmorg-10.0.1-rc4, llvmorg-10.0.1-rc3, llvmorg-10.0.1-rc2, llvmorg-10.0.1-rc1, llvmorg-10.0.0, llvmorg-10.0.0-rc6, llvmorg-10.0.0-rc5, llvmorg-10.0.0-rc4, llvmorg-10.0.0-rc3
# ae4d39c9 21-Feb-2020 Jonas Paulsson <[email protected]>

[SystemZ] Copy Access registers and CC with the correct register class.

On SystemZ there are a set of "access registers" that can be copied in and
out of 32-bit GPRs with special instructions. Thes

[SystemZ] Copy Access registers and CC with the correct register class.

On SystemZ there are a set of "access registers" that can be copied in and
out of 32-bit GPRs with special instructions. These instructions can only
perform the copy using low 32-bit parts of the 64-bit GPRs. However, the
default register class for 32-bit integers is GRX32, which also contains the
high 32-bit part registers.

In order to never end up with a case of such a COPY into a high reg, this
patch adds a new simple pre-RA pass that selects such COPYs into target
instructions.

This pass also handles COPYs from CC (Condition Code register), and COPYs to
CC can now also be emitted from a high reg in copyPhysReg().

Fixes: https://bugs.llvm.org/show_bug.cgi?id=44254

Review: Ulrich Weigand.

Differential Revision: https://reviews.llvm.org/D75014

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