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[Bug locale/24646] isspace/tolower, et cetera very slow on ppc64el
- From: "slandden at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Sun, 09 Jun 2019 14:27:14 +0000
- Subject: [Bug locale/24646] isspace/tolower, et cetera very slow on ppc64el
- Auto-submitted: auto-generated
- References: <bug-24646-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=24646
--- Comment #1 from Shawn Landden <slandden at gmail dot com> ---
tolower:
4.47 │ addi r2,r2,-3136
│ addi r9,r3,128
│ cmplwi cr7,r9,383
5.86 │ ← bgtlr cr7
│ nop
0.03 │ addi r3,r3,128
14.61 │ ld r9,-29776(r2) <=====1
│ rldicr r3,r3,2,61
│ add r9,r9,r13
18.05 │ ld r9,0(r9) <=====2
19.11 │ ld r9,0(r9) <=====3
2.25 │ ld r9,88(r9) <=====4
18.45 │ lwax r3,r9,r3
│ ← blr
│ ...
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