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re-enable direct calls, this should just be a performance boost

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22148 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duraid Madina 2005-05-20 11:39:17 +00:00
parent 732c843f0e
commit 04aa46d647
1 changed files with 5 additions and 6 deletions
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11
lib/Target/IA64/IA64ISelPattern.cpp
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@ -2151,16 +2151,13 @@ pC = pA OR pB
} }
} }
/* XXX we want to re-enable direct branches! crippling them now // build the right kind of call. if we can branch directly, do so:
* to stress-test indirect branches.:
//build the right kind of call
if (GlobalAddressSDNode *GASD = if (GlobalAddressSDNode *GASD =
dyn_cast<GlobalAddressSDNode>(N.getOperand(1))) dyn_cast<GlobalAddressSDNode>(N.getOperand(1)))
{ {
BuildMI(BB, IA64::BRCALL, 1).addGlobalAddress(GASD->getGlobal(),true); BuildMI(BB, IA64::BRCALL, 1).addGlobalAddress(GASD->getGlobal(),true);
IA64Lowering.restoreGP_SP_RP(BB); IA64Lowering.restoreGP_SP_RP(BB);
} } else
^^^^^^^^^^^^^ we want this code one day XXX */
if (ExternalSymbolSDNode *ESSDN = if (ExternalSymbolSDNode *ESSDN =
dyn_cast<ExternalSymbolSDNode>(N.getOperand(1))) dyn_cast<ExternalSymbolSDNode>(N.getOperand(1)))
{ // FIXME : currently need this case for correctness, to avoid { // FIXME : currently need this case for correctness, to avoid
@ -2169,7 +2166,9 @@ pC = pA OR pB
.addExternalSymbol(ESSDN->getSymbol(), true); .addExternalSymbol(ESSDN->getSymbol(), true);
IA64Lowering.restoreGP_SP_RP(BB); IA64Lowering.restoreGP_SP_RP(BB);
} }
else { else { // otherwise we need to get the function descriptor
// load the branch target (function)'s entry point and
// GP, then branch
Tmp1 = SelectExpr(N.getOperand(1)); Tmp1 = SelectExpr(N.getOperand(1));
unsigned targetEntryPoint=MakeReg(MVT::i64); unsigned targetEntryPoint=MakeReg(MVT::i64);