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Revert "[MIPS] match llvm.{min,max}num with {min,max}.fmt for R6" #93035

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Revert "[MIPS] match llvm.{min,max}num with {min,max}.fmt for R6" #93035

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16 changes: 0 additions & 16 deletions llvm/lib/Target/Mips/Mips32r6InstrInfo.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1117,22 +1117,6 @@ def : MipsPat<(select i32:$cond, immz, i32:$f),
ISA_MIPS32R6;
}

// llvm.fmin/fmax operations.
let AdditionalPredicates = [NotInMicroMips] in {
def : MipsPat<(fmaxnum f32:$lhs, f32:$rhs),
(MAX_S f32:$lhs, f32:$rhs)>,
ISA_MIPS32R6;
def : MipsPat<(fmaxnum f64:$lhs, f64:$rhs),
(MAX_D f64:$lhs, f64:$rhs)>,
ISA_MIPS32R6;
def : MipsPat<(fminnum f32:$lhs, f32:$rhs),
(MIN_S f32:$lhs, f32:$rhs)>,
ISA_MIPS32R6;
def : MipsPat<(fminnum f64:$lhs, f64:$rhs),
(MIN_D f64:$lhs, f64:$rhs)>,
ISA_MIPS32R6;
}

// Pseudo instructions
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
hasExtraSrcRegAllocReq = 1, isCTI = 1, Defs = [AT], hasPostISelHook = 1 in {
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9 changes: 0 additions & 9 deletions llvm/lib/Target/Mips/MipsISelLowering.cpp
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Expand Up @@ -358,15 +358,6 @@ MipsTargetLowering::MipsTargetLowering(const MipsTargetMachine &TM,
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);

// Lower fmin and fmax operations for MIPS R6.
// Instructions are defined but never used.
if (Subtarget.hasMips32r6() || Subtarget.hasMips64r6()) {
setOperationAction(ISD::FMINNUM, MVT::f32, Legal);
setOperationAction(ISD::FMINNUM, MVT::f64, Legal);
setOperationAction(ISD::FMAXNUM, MVT::f32, Legal);
setOperationAction(ISD::FMAXNUM, MVT::f64, Legal);
}

if (Subtarget.isGP64bit()) {
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setOperationAction(ISD::BlockAddress, MVT::i64, Custom);
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69 changes: 0 additions & 69 deletions llvm/test/CodeGen/Mips/mipsr6-minmaxnum.ll
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