[llvm-commits] CVS: llvm/lib/Target/PowerPC/README.txt
Chris Lattner
lattner at cs.uiuc.edu
Tue Feb 7 22:44:03 PST 2006
Changes in directory llvm/lib/Target/PowerPC:
README.txt updated: 1.62 -> 1.63
---
Log message:
Move emails from nate into public places
---
Diffs of the changes: (+17 -0)
README.txt | 17 +++++++++++++++++
1 files changed, 17 insertions(+)
Index: llvm/lib/Target/PowerPC/README.txt
diff -u llvm/lib/Target/PowerPC/README.txt:1.62 llvm/lib/Target/PowerPC/README.txt:1.63
--- llvm/lib/Target/PowerPC/README.txt:1.62 Sat Feb 4 23:27:35 2006
+++ llvm/lib/Target/PowerPC/README.txt Wed Feb 8 00:43:51 2006
@@ -279,6 +279,23 @@
cmpwi cr0, r7, 0
bne cr0, LBB_compare_4 ; loopexit
+FreeBench/mason has a basic block that looks like this:
+
+ %tmp.130 = seteq int %p.0__, 5 ; <bool> [#uses=1]
+ %tmp.134 = seteq int %p.1__, 6 ; <bool> [#uses=1]
+ %tmp.139 = seteq int %p.2__, 12 ; <bool> [#uses=1]
+ %tmp.144 = seteq int %p.3__, 13 ; <bool> [#uses=1]
+ %tmp.149 = seteq int %p.4__, 14 ; <bool> [#uses=1]
+ %tmp.154 = seteq int %p.5__, 15 ; <bool> [#uses=1]
+ %bothcond = and bool %tmp.134, %tmp.130 ; <bool> [#uses=1]
+ %bothcond123 = and bool %bothcond, %tmp.139 ; <bool>
+ %bothcond124 = and bool %bothcond123, %tmp.144 ; <bool>
+ %bothcond125 = and bool %bothcond124, %tmp.149 ; <bool>
+ %bothcond126 = and bool %bothcond125, %tmp.154 ; <bool>
+ br bool %bothcond126, label %shortcirc_next.5, label %else.0
+
+This is a particularly important case where handling CRs better will help.
+
===-------------------------------------------------------------------------===
Simple IPO for argument passing, change:
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