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[X86] Roll some loops. NFCI.

This commit is contained in:
Benjamin Kramer 2020-04-05 13:59:33 +02:00
parent 47ee404075
commit ff889df356
1 changed files with 21 additions and 42 deletions
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63
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -191,12 +191,10 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
// SETOEQ and SETUNE require checking two conditions.
setCondCodeAction(ISD::SETOEQ, MVT::f32, Expand);
setCondCodeAction(ISD::SETOEQ, MVT::f64, Expand);
setCondCodeAction(ISD::SETOEQ, MVT::f80, Expand);
setCondCodeAction(ISD::SETUNE, MVT::f32, Expand);
setCondCodeAction(ISD::SETUNE, MVT::f64, Expand);
setCondCodeAction(ISD::SETUNE, MVT::f80, Expand);
for (auto VT : {MVT::f32, MVT::f64, MVT::f80}) {
setCondCodeAction(ISD::SETOEQ, VT, Expand);
setCondCodeAction(ISD::SETUNE, VT, Expand);
}
// Integer absolute.
if (Subtarget.hasCMov()) {
@ -361,47 +359,28 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
setOperationPromotedToType(ISD::CTLZ , MVT::i8 , MVT::i32);
setOperationPromotedToType(ISD::CTLZ_ZERO_UNDEF, MVT::i8 , MVT::i32);
} else {
setOperationAction(ISD::CTLZ , MVT::i8 , Custom);
setOperationAction(ISD::CTLZ , MVT::i16 , Custom);
setOperationAction(ISD::CTLZ , MVT::i32 , Custom);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i8 , Custom);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i16 , Custom);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i32 , Custom);
if (Subtarget.is64Bit()) {
setOperationAction(ISD::CTLZ , MVT::i64 , Custom);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i64, Custom);
for (auto VT : {MVT::i8, MVT::i16, MVT::i32, MVT::i64}) {
if (VT == MVT::i64 && !Subtarget.is64Bit())
continue;
setOperationAction(ISD::CTLZ , VT, Custom);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, VT, Custom);
}
}
// Special handling for half-precision floating point conversions.
// If we don't have F16C support, then lower half float conversions
// into library calls.
if (!Subtarget.useSoftFloat() && Subtarget.hasF16C()) {
setOperationAction(ISD::FP16_TO_FP, MVT::f32, Custom);
setOperationAction(ISD::STRICT_FP16_TO_FP, MVT::f32, Custom);
setOperationAction(ISD::FP_TO_FP16, MVT::f32, Custom);
setOperationAction(ISD::STRICT_FP_TO_FP16, MVT::f32, Custom);
} else {
setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
setOperationAction(ISD::STRICT_FP16_TO_FP, MVT::f32, Expand);
setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
setOperationAction(ISD::STRICT_FP_TO_FP16, MVT::f32, Expand);
for (auto Op : {ISD::FP16_TO_FP, ISD::STRICT_FP16_TO_FP, ISD::FP_TO_FP16,
ISD::STRICT_FP_TO_FP16}) {
// Special handling for half-precision floating point conversions.
// If we don't have F16C support, then lower half float conversions
// into library calls.
setOperationAction(
Op, MVT::f32,
(!Subtarget.useSoftFloat() && Subtarget.hasF16C()) ? Custom : Expand);
// There's never any support for operations beyond MVT::f32.
setOperationAction(Op, MVT::f64, Expand);
setOperationAction(Op, MVT::f80, Expand);
setOperationAction(Op, MVT::f128, Expand);
}
// There's never any support for operations beyond MVT::f32.
setOperationAction(ISD::FP16_TO_FP, MVT::f64, Expand);
setOperationAction(ISD::FP16_TO_FP, MVT::f80, Expand);
setOperationAction(ISD::FP16_TO_FP, MVT::f128, Expand);
setOperationAction(ISD::STRICT_FP16_TO_FP, MVT::f64, Expand);
setOperationAction(ISD::STRICT_FP16_TO_FP, MVT::f80, Expand);
setOperationAction(ISD::STRICT_FP16_TO_FP, MVT::f128, Expand);
setOperationAction(ISD::FP_TO_FP16, MVT::f64, Expand);
setOperationAction(ISD::FP_TO_FP16, MVT::f80, Expand);
setOperationAction(ISD::FP_TO_FP16, MVT::f128, Expand);
setOperationAction(ISD::STRICT_FP_TO_FP16, MVT::f64, Expand);
setOperationAction(ISD::STRICT_FP_TO_FP16, MVT::f80, Expand);
setOperationAction(ISD::STRICT_FP_TO_FP16, MVT::f128, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, MVT::f16, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f64, MVT::f16, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f80, MVT::f16, Expand);