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(parent: b5c1f8e) | patch
s390: Change insn selection to recognize memcpy-like statements.
authorFlorian Krohm <florian@eich-krohm.de>
Sat, 2 Feb 2013 00:16:58 +0000 (00:16 +0000)
committerFlorian Krohm <florian@eich-krohm.de>
Sat, 2 Feb 2013 00:16:58 +0000 (00:16 +0000)
commit4a1d58e96549030cd9687e83e35c237520ab9701
tree35a902dcb996b069304011ebb430d7dd12990965tree | snapshot
parentb5c1f8e3e73c26a7b0e479456f14e31ea1f0d977commit | diff
s390: Change insn selection to recognize memcpy-like statements.
Add S390_INCN_MEMCPY and generate MVC for that later on. Saves between
0.1 - 1.5% of insns. Observed runtime differences on the perf bucket were
within noise margin.

git-svn-id: svn://svn.valgrind.org/vex/trunk@2675
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
Mirror of https://sourceware.org/git/valgrind.git