6502/llvm-6502
1
0 Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-27 04:18:42 +00:00
Code Issues Projects Releases Wiki Activity

Implement cast bool to X

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5012 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner committed 2002-12-13 11:31:59 +00:00
1 parent 71794c0069
commit 7d25589ee1
2 files changed
+8 -6
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

lib/Target/X86/InstSelectSimple.cpp
+4 -3
View File
@@ -854,7 +854,7 @@ ISel::visitCastInst (CastInst &CI)
// 4) cast {int, uint, ptr} to {short, ushort}
// cast {int, uint, ptr} to {sbyte, ubyte}
// cast {short, ushort} to {sbyte, ubyte}
//
// 1) Implement casts to bool by using compare on the operand followed
// by set if not zero on the result.
if (targetType == Type::BoolTy)
@@ -863,10 +863,11 @@ ISel::visitCastInst (CastInst &CI)
BuildMI (BB, X86::SETNEr, 1, destReg);
return;
}
// 2) Implement casts between values of the same type class (as determined
// by getClass) by using a register-to-register move.
unsigned int srcClass = getClass (sourceType);
unsigned int targClass = getClass (targetType);
unsigned srcClass = sourceType == Type::BoolTy ? cByte : getClass(sourceType);
unsigned targClass = getClass (targetType);
static const unsigned regRegMove[] = {
X86::MOVrr8, X86::MOVrr16, X86::MOVrr32
};
lib/Target/X86/X86ISelSimple.cpp
+4 -3
View File
@@ -854,7 +854,7 @@ ISel::visitCastInst (CastInst &CI)
// 4) cast {int, uint, ptr} to {short, ushort}
// cast {int, uint, ptr} to {sbyte, ubyte}
// cast {short, ushort} to {sbyte, ubyte}
//
// 1) Implement casts to bool by using compare on the operand followed
// by set if not zero on the result.
if (targetType == Type::BoolTy)
@@ -863,10 +863,11 @@ ISel::visitCastInst (CastInst &CI)
BuildMI (BB, X86::SETNEr, 1, destReg);
return;
}
// 2) Implement casts between values of the same type class (as determined
// by getClass) by using a register-to-register move.
unsigned int srcClass = getClass (sourceType);
unsigned int targClass = getClass (targetType);
unsigned srcClass = sourceType == Type::BoolTy ? cByte : getClass(sourceType);
unsigned targClass = getClass (targetType);
static const unsigned regRegMove[] = {
X86::MOVrr8, X86::MOVrr16, X86::MOVrr32
};