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add support for the sse.cmp.* intrinsics, which fixes sse.isamax with the CBE.

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llvm-svn: 47824
This commit is contained in:
Chris Lattner 2008-03-02 08:47:13 +00:00
parent 7196bf5358
commit fdcd03cc98
1 changed files with 39 additions and 1 deletions
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40
lib/Target/CBackend/CBackend.cpp
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@ -2507,7 +2507,11 @@ void CWriter::lowerIntrinsics(Function &F) {
case Intrinsic::prefetch:
case Intrinsic::dbg_stoppoint:
case Intrinsic::powi:
// We directly implement these intrinsics
case Intrinsic::x86_sse_cmp_ss:
case Intrinsic::x86_sse_cmp_ps:
case Intrinsic::x86_sse2_cmp_sd:
case Intrinsic::x86_sse2_cmp_pd:
// We directly implement these intrinsics
break;
default:
// If this is an intrinsic that directly corresponds to a GCC
@ -2768,6 +2772,40 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
<< SPI.getFileName() << "\"\n";
return true;
}
case Intrinsic::x86_sse_cmp_ss:
case Intrinsic::x86_sse_cmp_ps:
case Intrinsic::x86_sse2_cmp_sd:
case Intrinsic::x86_sse2_cmp_pd:
Out << '(';
printType(Out, I.getType());
Out << ')';
// Multiple GCC builtins multiplex onto this intrinsic.
switch (cast<ConstantInt>(I.getOperand(3))->getZExtValue()) {
default: assert(0 && "Invalid llvm.x86.sse.cmp!");
case 0: Out << "__builtin_ia32_cmpeq"; break;
case 1: Out << "__builtin_ia32_cmplt"; break;
case 2: Out << "__builtin_ia32_cmple"; break;
case 3: Out << "__builtin_ia32_cmpunord"; break;
case 4: Out << "__builtin_ia32_cmpneq"; break;
case 5: Out << "__builtin_ia32_cmpnlt"; break;
case 6: Out << "__builtin_ia32_cmpnle"; break;
case 7: Out << "__builtin_ia32_cmpord"; break;
}
if (ID == Intrinsic::x86_sse_cmp_ps || ID == Intrinsic::x86_sse2_cmp_pd)
Out << 'p';
else
Out << 's';
if (ID == Intrinsic::x86_sse_cmp_ss || ID == Intrinsic::x86_sse_cmp_ps)
Out << 's';
else
Out << 'd';
Out << "(";
writeOperand(I.getOperand(1));
Out << ", ";
writeOperand(I.getOperand(2));
Out << ")";
return true;
}
}