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ARM64: uncopy/paste helper function 

It was doing functional but highly suspect operations on bools due to
the more limited shifting operands supported by memory instructions.

Should fix some MSVC warnings.

llvm-svn: 205134
This commit is contained in:
Tim Northover 2014-03-30 08:30:28 +00:00
parent 6b3258f087
commit bf679cec67
1 changed files with 4 additions and 5 deletions
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9
llvm/lib/Target/ARM64/MCTargetDesc/ARM64AddressingModes.h
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@ -149,7 +149,7 @@ static inline ARM64_AM::ExtendType getMemExtendType(unsigned Imm) {
}
/// getExtendImm - Encode the extend type and amount for a load/store inst:
/// imm: 3-bit extend amount
/// doshift: should the offset be scaled by the access size
/// shifter: 000 ==> uxtb
/// 001 ==> uxth
/// 010 ==> uxtw
@ -159,10 +159,9 @@ static inline ARM64_AM::ExtendType getMemExtendType(unsigned Imm) {
/// 110 ==> sxtw
/// 111 ==> sxtx
/// {3-1} = shifter
/// {0} = imm3
static inline unsigned getMemExtendImm(ARM64_AM::ExtendType ET, bool Imm) {
assert((Imm & 0x7) == Imm && "Illegal shifted immedate value!");
return (unsigned(ET) << 1) | (Imm & 0x7);
/// {0} = doshift
static inline unsigned getMemExtendImm(ARM64_AM::ExtendType ET, bool DoShift) {
return (unsigned(ET) << 1) | unsigned(DoShift);
}
//===----------------------------------------------------------------------===//