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[X86] Simplify immediate range checking code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2015-10-11 16:38:14 +00:00
parent e85795d5a2
commit efa951c19a
2 changed files with 13 additions and 18 deletions
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19
lib/Target/X86/AsmParser/X86AsmParserCommon.h
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@ -13,30 +13,25 @@
namespace llvm {
inline bool isImmSExti16i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x000000000000FF80ULL <= Value && Value <= 0x000000000000FFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
return isInt<8>(Value) ||
(isUInt<16>(Value) && isInt<8>(static_cast<int16_t>(Value)));
}
inline bool isImmSExti32i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0x00000000FFFFFF80ULL <= Value && Value <= 0x00000000FFFFFFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
return isInt<8>(Value) ||
(isUInt<32>(Value) && isInt<8>(static_cast<int32_t>(Value)));
}
inline bool isImmSExti64i8Value(uint64_t Value) {
return (( Value <= 0x000000000000007FULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
return isInt<8>(Value);
}
inline bool isImmSExti64i32Value(uint64_t Value) {
return (( Value <= 0x000000007FFFFFFFULL)||
(0xFFFFFFFF80000000ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
return isInt<32>(Value);
}
inline bool isImmUnsignedi8Value(uint64_t Value) {
return (( Value <= 0x00000000000000FFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
return isUInt<8>(Value) || isInt<8>(Value);
}
} // End of namespace llvm

12
lib/Target/X86/X86InstrInfo.td
View File

@ -867,9 +867,9 @@ def X86_COND_E_OR_NE : ImmLeaf<i8, [{
}]>;
def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
def i16immSExt8 : ImmLeaf<i16, [{ return isInt<8>(Imm); }]>;
def i32immSExt8 : ImmLeaf<i32, [{ return isInt<8>(Imm); }]>;
def i64immSExt8 : ImmLeaf<i64, [{ return isInt<8>(Imm); }]>;
// If we have multiple users of an immediate, it's much smaller to reuse
// the register, rather than encode the immediate in every instruction.
@ -906,15 +906,15 @@ def i32immSExt8_su : PatLeaf<(i32immSExt8), [{
}]>;
def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
def i64immSExt32 : ImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
// i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
// unsigned field.
def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
def i64immZExt32 : ImmLeaf<i64, [{ return isUInt<32>(Imm); }]>;
def i64immZExt32SExt8 : ImmLeaf<i64, [{
return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
return isUInt<32>(Imm) && isInt<8>(static_cast<int32_t>(Imm));
}]>;
// Helper fragments for loads.