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-rw-r--r--lib/Target/PowerPC/PPCISelLowering.h88
1 files changed, 52 insertions, 36 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 3931384d89..6690899e5d 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -16,6 +16,7 @@
#define LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H
#include "PPC.h"
+#include "PPCRegisterInfo.h"
#include "PPCSubtarget.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Target/TargetLowering.h"
@@ -35,14 +36,18 @@ namespace llvm {
/// was temporarily in the f64 operand.
FCFID,
+ /// Newer FCFID[US] integer-to-floating-point conversion instructions for
+ /// unsigned integers and single-precision outputs.
+ FCFIDU, FCFIDS, FCFIDUS,
+
/// FCTI[D,W]Z - The FCTIDZ and FCTIWZ instructions, taking an f32 or f64
/// operand, producing an f64 value containing the integer representation
/// of that FP value.
FCTIDZ, FCTIWZ,
- /// STFIWX - The STFIWX instruction. The first operand is an input token
- /// chain, then an f64 value to store, then an address to store it to.
- STFIWX,
+ /// Newer FCTI[D,W]UZ floating-point-to-integer conversion instructions for
+ /// unsigned integers.
+ FCTIDUZ, FCTIWUZ,
// VMADDFP, VNMSUBFP - The VMADDFP and VNMSUBFP instructions, taking
// three v4f32 operands and producing a v4f32 result.
@@ -90,17 +95,10 @@ namespace llvm {
/// code.
SRL, SRA, SHL,
- /// EXTSW_32 - This is the EXTSW instruction for use with "32-bit"
- /// registers.
- EXTSW_32,
-
/// CALL - A direct function call.
- /// CALL_NOP_SVR4 is a call with the special NOP which follows 64-bit
+ /// CALL_NOP is a call with the special NOP which follows 64-bit
/// SVR4 calls.
- CALL_Darwin, CALL_SVR4, CALL_NOP_SVR4,
-
- /// NOP - Special NOP which follows 64-bit SVR4 calls.
- NOP,
+ CALL, CALL_NOP,
/// CHAIN,FLAG = MTCTR(VAL, CHAIN[, INFLAG]) - Directly corresponds to a
/// MTCTR instruction.
@@ -108,7 +106,7 @@ namespace llvm {
/// CHAIN,FLAG = BCTRL(CHAIN, INFLAG) - Directly corresponds to a
/// BCTRL instruction.
- BCTRL_Darwin, BCTRL_SVR4,
+ BCTRL,
/// Return with a flag operand, matched by 'blr'
RET_FLAG,
@@ -119,6 +117,12 @@ namespace llvm {
/// are undefined.
MFCR,
+ // EH_SJLJ_SETJMP - SjLj exception handling setjmp.
+ EH_SJLJ_SETJMP,
+
+ // EH_SJLJ_LONGJMP - SjLj exception handling longjmp.
+ EH_SJLJ_LONGJMP,
+
/// RESVEC = VCMP(LHS, RHS, OPC) - Represents one of the altivec VCMP*
/// instructions. For lack of better number, we use the opcode number
/// encoding for the OPC field to identify the compare. For example, 838
@@ -138,26 +142,13 @@ namespace llvm {
/// an optional input flag argument.
COND_BRANCH,
- // The following 5 instructions are used only as part of the
- // long double-to-int conversion sequence.
-
- /// OUTFLAG = MFFS F8RC - This moves the FPSCR (not modelled) into the
- /// register.
- MFFS,
-
- /// OUTFLAG = MTFSB0 INFLAG - This clears a bit in the FPSCR.
- MTFSB0,
-
- /// OUTFLAG = MTFSB1 INFLAG - This sets a bit in the FPSCR.
- MTFSB1,
-
- /// F8RC, OUTFLAG = FADDRTZ F8RC, F8RC, INFLAG - This is an FADD done with
- /// rounding towards zero. It has flags added so it won't move past the
- /// FPSCR-setting instructions.
+ /// F8RC = FADDRTZ F8RC, F8RC - This is an FADD done with rounding
+ /// towards zero. Used only as part of the long double-to-int
+ /// conversion sequence.
FADDRTZ,
- /// MTFSF = F8RC, INFLAG - This moves the register into the FPSCR.
- MTFSF,
+ /// F8RC = MFFS - This moves the FPSCR (not modeled) into the register.
+ MFFS,
/// LARX = This corresponds to PPC l{w|d}arx instrcution: load and
/// reserve indexed. This is used to implement atomic operations.
@@ -243,14 +234,11 @@ namespace llvm {
/// optimizations due to constant folding.
VADD_SPLAT,
- /// STD_32 - This is the STD instruction for use with "32-bit" registers.
- STD_32 = ISD::FIRST_TARGET_MEMORY_OPCODE,
-
/// CHAIN = STBRX CHAIN, GPRC, Ptr, Type - This is a
/// byte-swapping store instruction. It byte-swaps the low "Type" bits of
/// the GPRC input, then stores it through Ptr. Type can be either i16 or
/// i32.
- STBRX,
+ STBRX = ISD::FIRST_TARGET_MEMORY_OPCODE,
/// GPRC, CHAIN = LBRX CHAIN, Ptr, Type - This is a
/// byte-swapping load instruction. It loads "Type" bits, byte swaps it,
@@ -258,6 +246,20 @@ namespace llvm {
/// or i32.
LBRX,
+ /// STFIWX - The STFIWX instruction. The first operand is an input token
+ /// chain, then an f64 value to store, then an address to store it to.
+ STFIWX,
+
+ /// GPRC, CHAIN = LFIWAX CHAIN, Ptr - This is a floating-point
+ /// load which sign-extends from a 32-bit integer value into the
+ /// destination 64-bit register.
+ LFIWAX,
+
+ /// GPRC, CHAIN = LFIWZX CHAIN, Ptr - This is a floating-point
+ /// load which zero-extends from a 32-bit integer value into the
+ /// destination 64-bit register.
+ LFIWZX,
+
/// G8RC = ADDIS_TOC_HA %X2, Symbol - For medium and large code model,
/// produces an ADDIS8 instruction that adds the TOC base register to
/// sym@toc@ha.
@@ -321,6 +323,7 @@ namespace llvm {
class PPCTargetLowering : public TargetLowering {
const PPCSubtarget &PPCSubTarget;
+ const PPCRegisterInfo *PPCRegInfo;
public:
explicit PPCTargetLowering(PPCTargetMachine &TM);
@@ -395,6 +398,12 @@ namespace llvm {
MachineBasicBlock *MBB,
bool is8bit, unsigned Opcode) const;
+ MachineBasicBlock *emitEHSjLjSetJmp(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
+ MachineBasicBlock *emitEHSjLjLongJmp(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
ConstraintType getConstraintType(const std::string &Constraint) const;
/// Examine constraint string and operand type and determine a weight value.
@@ -449,6 +458,10 @@ namespace llvm {
bool IsMemset, bool ZeroMemset, bool MemcpyStrSrc,
MachineFunction &MF) const;
+ /// Is unaligned memory access allowed for the given type, and is it fast
+ /// relative to software emulation.
+ virtual bool allowsUnalignedMemoryAccesses(EVT VT, bool *Fast = 0) const;
+
/// isFMAFasterThanMulAndAdd - Return true if an FMA operation is faster than
/// a pair of mul and add instructions. fmuladd intrinsics will be expanded to
/// FMAs when this method returns true (and FMAs are legal), otherwise fmuladd
@@ -494,7 +507,7 @@ namespace llvm {
const PPCSubtarget &Subtarget) const;
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG, DebugLoc dl) const;
- SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSHL_PARTS(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSRL_PARTS(SDValue Op, SelectionDAG &DAG) const;
@@ -604,6 +617,9 @@ namespace llvm {
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
+
+ SDValue lowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const;
};
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-21 16:14:53 +0000