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author	Andreas Arnez <arnez@linux.ibm.com>
	Thu, 26 Mar 2026 12:33:17 +0000 (13:33 +0100)
committer	Andreas Arnez <arnez@linux.ibm.com>
	Thu, 26 Mar 2026 12:33:17 +0000 (13:33 +0100)
commit	b3830b82f455f06ed8a0bf59990b5a2b0b0bbcfd
tree	ee60d4f14334778849ee8512eda577732f13a793	tree \| snapshot
parent	01ca65b91d81a8751976702ed3a84ed72a6faec5	commit \| diff

s390x: Exploit "load address" in isel

Compared to AGHI, the "load address" instrucions LA and LAY can be
beneficial for register allocation since they allow for distinct source
and destination operands. This can often avoid unnecessary register
moves.

Exploit them when appropriate in isel.

VEX/priv/host_s390_defs.c		diff \| blob \| blame \| history
VEX/priv/host_s390_defs.h		diff \| blob \| blame \| history
VEX/priv/host_s390_isel.c		diff \| blob \| blame \| history

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