maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Add support for VFP status & control operations for ARM. 

llvm-svn: 110153
This commit is contained in:
Nate Begeman 2010-08-03 21:32:34 +00:00
parent b69b182191
commit f568b074db
3 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
clang/include/clang/Basic/BuiltinsARM.def
View File

@ -24,6 +24,12 @@ BUILTIN(__builtin_arm_qsub, "iii", "nc")
BUILTIN(__builtin_arm_ssat, "iiUi", "nc")
BUILTIN(__builtin_arm_usat, "UiUiUi", "nc")
// VFP
BUILTIN(__builtin_arm_get_fpscr, "Ui", "nc")
BUILTIN(__builtin_arm_set_fpscr, "vUi", "nc")
BUILTIN(__builtin_arm_vcvtr_f, "ffi", "nc")
BUILTIN(__builtin_arm_vcvtr_d, "fdi", "nc")
// NEON
#define GET_NEON_BUILTINS
#include "clang/Basic/arm_neon.inc"

22
clang/lib/CodeGen/CGBuiltin.cpp
View File

@ -1061,9 +1061,6 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
a, b);
}
// Determine the type of this overloaded NEON intrinsic.
assert(BuiltinID > ARM::BI__builtin_arm_usat);
llvm::SmallVector<Value*, 4> Ops;
for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++)
Ops.push_back(EmitScalarExpr(E->getArg(i)));
@ -1073,6 +1070,25 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
if (!Arg->isIntegerConstantExpr(Result, getContext()))
return 0;
if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f ||
BuiltinID == ARM::BI__builtin_arm_vcvtr_d) {
// Determine the overloaded type of this builtin.
const llvm::Type *Ty;
if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f)
Ty = llvm::Type::getFloatTy(VMContext);
else
Ty = llvm::Type::getDoubleTy(VMContext);
// Determine whether this is an unsigned conversion or not.
bool usgn = Result.getZExtValue() == 1;
unsigned Int = usgn ? Intrinsic::arm_vcvtru : Intrinsic::arm_vcvtr;
// Call the appropriate intrinsic.
Function *F = CGM.getIntrinsic(Int, &Ty, 1);
return Builder.CreateCall(F, Ops.begin(), Ops.end(), "vcvtr");
}
// Determine the type of this overloaded NEON intrinsic.
unsigned type = Result.getZExtValue();
bool usgn = type & 0x08;
bool quad = type & 0x10;

3
clang/lib/Sema/SemaChecking.cpp
View File

@ -300,6 +300,8 @@ bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
default: return false;
case ARM::BI__builtin_arm_ssat: i = 1; l = 1; u = 31; break;
case ARM::BI__builtin_arm_usat: i = 1; u = 31; break;
case ARM::BI__builtin_arm_vcvtr_f:
case ARM::BI__builtin_arm_vcvtr_d: i = 1; u = 1; break;
#define GET_NEON_IMMEDIATE_CHECK
#include "clang/Basic/arm_neon.inc"
#undef GET_NEON_IMMEDIATE_CHECK
@ -316,6 +318,7 @@ bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
<< llvm::utostr(l) << llvm::utostr(u+l)
<< TheCall->getArg(i)->getSourceRange();
// FIXME: VFP Intrinsics should error if VFP not present.
return false;
}