6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-28 03:25:23 +00:00
Code Issues Projects Releases Wiki Activity

Start inferring side effect information more aggressively, and fix many bugs in the

Browse Source 
x86 backend where instructions were not marked maystore/mayload, and perf issues where
instructions were not marked neverHasSideEffects.  It would be really nice if we could
write patterns for copy instructions.

I have audited all the x86 instructions down to MOVDQAmr.  The flags on others and on
other targets are probably not right in all cases, but no clients currently use this
info that are enabled by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45829 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-01-10 07:59:24 +00:00
parent 1778a15901
commit ba7e756c22
10 changed files with 191 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
utils/TableGen/CodeGenTarget.cpp
View File

@@ -340,6 +340,12 @@ ComplexPattern::ComplexPattern(Record *R) {
Properties |= 1 << SDNPHasChain;
} else if (PropList[i]->getName() == "SDNPOptInFlag") {
Properties |= 1 << SDNPOptInFlag;
} else if (PropList[i]->getName() == "SDNPMayStore") {
Properties |= 1 << SDNPMayStore;
} else if (PropList[i]->getName() == "SDNPMayLoad") {
Properties |= 1 << SDNPMayLoad;
} else if (PropList[i]->getName() == "SDNPSideEffect") {
Properties |= 1 << SDNPSideEffect;
} else {
cerr << "Unsupported SD Node property '" << PropList[i]->getName()
<< "' on ComplexPattern '" << R->getName() << "'!\n";