Mercurial > hg > truffle
changeset 17177:805a26002dc7
[SPARC] Implement stuffing of delay slots in branches and calls. Optimized the cmove for integer and fp ops
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--- a/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAssembler.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAssembler.java Mon Sep 22 09:21:29 2014 -0700 @@ -29,6 +29,7 @@ import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.*; import com.oracle.graal.compiler.common.*; +import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.sparc.*; /** @@ -48,6 +49,10 @@ super(target); } + public interface AssemblerEmittable { + public void emit(SPARCAssembler masm); + } + // @formatter:off /** * Instruction format for Fmt00 instructions. This abstraction is needed as it @@ -57,13 +62,15 @@ * |31 30|29 25|24 22|21 0| */ // @formatter:on - public static abstract class Fmt00 { + public static abstract class Fmt00 implements AssemblerEmittable { protected static final int OP_SHIFT = 30; protected static final int CBCOND_SHIFT = 28; protected static final int OP2_SHIFT = 22; + protected static final int A_SHIFT = 29; // @formatter:off + protected static final int A_MASK = 0b0010_0000_0000_0000_0000_0000_0000_0000; protected static final int OP_MASK = 0b1100_0000_0000_0000_0000_0000_0000_0000; protected static final int CBCOND_MASK = 0b0001_0000_0000_0000_0000_0000_0000_0000; // Used for distinguish CBcond and BPr instructions protected static final int OP2_MASK = 0b0000_0001_1100_0000_0000_0000_0000_0000; @@ -123,6 +130,19 @@ * @param imm Displacement/imediate value. Can either be a 22 or 19 bit immediate (dependent on the instruction) */ public abstract void setImm(int imm); + + public abstract void emit(SPARCAssembler masm); + + public boolean hasDelaySlot() { + return true; + } + + public int getA() { + throw GraalInternalError.shouldNotReachHere(); + } + public void setA(@SuppressWarnings("unused") int a) { + throw GraalInternalError.shouldNotReachHere(); + } } // @formatter:off @@ -133,7 +153,7 @@ * |31 30|29 25|24 22|21 0| */ // @formatter:on - public static class Fmt00a extends Fmt00 { + public static class Fmt00a extends Fmt00 implements AssemblerEmittable { private static final int RD_SHIFT = 25; private static final int IMM22_SHIFT = 0; @@ -177,6 +197,7 @@ return new Fmt00a(op2, imm22, rd); } + @Override public void emit(SPARCAssembler masm) { verify(); masm.emitInt(getInstructionBits()); @@ -197,6 +218,11 @@ public void setImm22(int imm22) { this.imm22 = imm22; } + + @Override + public boolean hasDelaySlot() { + return false; + } } // @formatter:off @@ -213,12 +239,10 @@ private int disp22; private Label label; - private static final int A_SHIFT = 29; private static final int COND_SHIFT = 25; private static final int DISP22_SHIFT = 0; // @formatter:off - private static final int A_MASK = 0b00100000000000000000000000000000; private static final int COND_MASK = 0b00011110000000000000000000000000; private static final int DISP22_MASK = 0b00000000001111111111111111111111; // @formatter:on @@ -251,6 +275,7 @@ setLabel(label); } + @Override public void emit(SPARCAssembler masm) { if (label != null) { final int pos = label.isBound() ? label.position() : patchUnbound(masm, label); @@ -291,10 +316,12 @@ return fmt; } + @Override public int getA() { return a; } + @Override public void setA(int a) { this.a = a; } @@ -346,14 +373,12 @@ // @formatter:on public static class Fmt00c extends Fmt00 { - private static final int A_SHIFT = 29; private static final int COND_SHIFT = 25; private static final int CC_SHIFT = 20; private static final int P_SHIFT = 19; private static final int DISP19_SHIFT = 0; // @formatter:off - private static final int A_MASK = 0b00100000000000000000000000000000; private static final int COND_MASK = 0b00011110000000000000000000000000; private static final int CC_MASK = 0b00000000001100000000000000000000; private static final int P_MASK = 0b00000000000010000000000000000000; @@ -386,10 +411,12 @@ this.label = label; } + @Override public int getA() { return a; } + @Override public void setA(int a) { this.a = a; } @@ -462,6 +489,7 @@ return fmt; } + @Override public void emit(SPARCAssembler masm) { if (label != null) { final int pos = label.isBound() ? label.position() : patchUnbound(masm, label); @@ -500,7 +528,6 @@ // @formatter:on public static class Fmt00d extends Fmt00 { - private static final int A_SHIFT = 29; private static final int RCOND_SHIFT = 25; private static final int D16HI_SHIFT = 20; private static final int P_SHIFT = 19; @@ -508,7 +535,6 @@ private static final int D16LO_SHIFT = 0; // @formatter:off - private static final int A_MASK = 0b0010_0000_0000_0000_0000_0000_0000_0000; private static final int RCOND_MASK = 0b0000_1110_0000_0000_0000_0000_0000_0000; private static final int D16HI_MASK = 0b0000_0000_0011_0000_0000_0000_0000_0000; private static final int P_MASK = 0b0000_0000_0000_1000_0000_0000_0000_0000; @@ -542,6 +568,12 @@ this.disp16 = disp16 >> 2; } + @Override + public int getA() { + return annul; + } + + @Override public void emit(SPARCAssembler masm) { if (label != null) { final int pos = label.isBound() ? label.position() : patchUnbound(masm, label); @@ -658,6 +690,7 @@ assert isSimm10(this.disp10) : this.disp10; } + @Override public void emit(SPARCAssembler masm) { assert masm.hasFeature(CPUFeature.CBCOND); if (label != null) { @@ -742,6 +775,11 @@ assert (regOrImmediate & ~0b1_1111) == 0 : regOrImmediate; } } + + @Override + public boolean hasDelaySlot() { + return false; + } } // @formatter:off @@ -936,7 +974,7 @@ * |31 30|29 25|24 19|18 14|13|12|11 5|4 0| */ // @formatter:on - public static class Fmt10 { + public static class Fmt10 implements AssemblerEmittable { private static final int OP_SHIFT = 30; private static final int RD_SHIFT = 25; @@ -1286,7 +1324,7 @@ /** * Converts regular CC codes to CC codes used by Movcc instructions. */ - private static int getCC(CC cc) { + public static int getCC(CC cc) { switch (cc) { case Icc: case Xcc: @@ -1346,6 +1384,74 @@ } } + // @formatter:off + /** + * Instruction format for Fmovcc. + * + * | 10 | rd | op3 | -| cond | opfcc | opf_low | rs2 | + * |31 30|29 25|24 19|18|17 14|13 11|10 5|4 0| + */ + // @formatter:on + public static class Fmt10d implements AssemblerEmittable { + + private static final int OP_SHIFT = 30; + private static final int RD_SHIFT = 25; + private static final int OP3_SHIFT = 19; + private static final int COND_SHIFT = 14; + private static final int OPFCC_SHIFT = 12; + private static final int OPF_LOW_SHIFT = 11; + private static final int RS2_SHIFT = 0; + + // @formatter:off + private static final int RD_MASK = 0b0011_1110_0000_0000_0000_0000_0000_0000; + private static final int OP3_MASK = 0b0000_0001_1111_1000_0000_0000_0000_0000; + private static final int COND_MASK = 0b0000_0000_0000_0011_1100_0000_0000_0000; + private static final int OPFCC_MASK = 0b0000_0000_0000_0000_0011_1000_0000_0000; + private static final int OPF_LOW_MASK= 0b0000_0000_0000_0000_0000_0111_1110_0000; + private static final int RS2_MASK = 0b0000_0000_0000_0000_0000_0000_0001_1111; + // @formatter:on + + private int rd; + private int op3; + private int cond; + private int opfcc; + private int opfLow; + private int rs2; + + public Fmt10d(Op3s op3, Opfs opf, ConditionFlag cond, CC cc, Register rs2, Register rd) { + this(rd.encoding(), op3.getValue(), cond.getValue(), Fmt10c.getCC(cc), opf.getValue(), rs2.encoding()); + } + + public Fmt10d(int rd, int op3, int cond, int opfcc, int opfLow, int rs2) { + super(); + this.rd = rd; + this.op3 = op3; + this.cond = cond; + this.opfcc = opfcc; + this.opfLow = opfLow; + this.rs2 = rs2; + } + + public void emit(SPARCAssembler masm) { + verify(); + masm.emitInt(getInstructionBits()); + } + + private int getInstructionBits() { + return Ops.ArithOp.getValue() << OP_SHIFT | rd << RD_SHIFT | op3 << OP3_SHIFT | cond << COND_SHIFT | opfcc << OPFCC_SHIFT | opfLow << OPF_LOW_SHIFT | rs2 << RS2_SHIFT; + + } + + public void verify() { + assert ((RD_MASK >> RD_SHIFT) & rd) == rd; + assert ((OP3_MASK >> OP3_SHIFT) & op3) == op3; + assert ((COND_MASK >> COND_SHIFT) & cond) == cond; + assert ((OPFCC_MASK >> OPFCC_SHIFT) & opfcc) == opfcc; + assert ((OPF_LOW_MASK >> OPF_LOW_SHIFT) & opfLow) == opfLow; + assert ((RS2_MASK >> RS2_SHIFT) & rs2) == rs2; + } + } + public static class Fmt4d { public Fmt4d(SPARCAssembler masm, int op, int op3, int cond, int cc, int simm11, int rd) { @@ -1395,6 +1501,11 @@ public int getValue() { return value; } + + public boolean appliesTo(int instructionWord) { + int opShift = 30; + return (instructionWord >>> opShift) == value; + } } public enum Op2s { @@ -1493,7 +1604,7 @@ Saved(0x31, "saved"), Fpop1(0b11_0100, "fpop1"), - Fpop2(0x35, "fpop2"), + Fpop2(0b11_0101, "fpop2"), Impdep1(0b11_0110, "impdep1"), Impdep2(0b11_0111, "impdep2"), Jmpl(0x38, "jmpl"), @@ -1552,6 +1663,10 @@ public String getOperator() { return operator; } + + public boolean appliesTo(int instructionWord) { + return ((instructionWord >>> 19) & 0b1_1111) == value; + } } public enum Op5s { @@ -1585,6 +1700,8 @@ Fmovs(0b0_0000_0001, "fmovs"), Fmovd(0b0_0000_0010, "fmovd"), Fmovq(0b0_0000_0011, "fmovq"), + Fmovscc(0b00_0001, "fmovscc"), + Fmovdcc(0b00_0010, "fmovdcc"), Fnegs(0x05, "fnegs"), Fnegd(0x06, "fnegd"), Fnegq(0x07, "fnegq"), @@ -1874,7 +1991,6 @@ // for FBfcc & FBPfcc instruction F_Never(0, "f_never"), F_NotEqual(1, "f_notEqual"), - F_NotZero(1, "f_notZero"), F_LessOrGreater(2, "f_lessOrGreater"), F_UnorderedOrLess(3, "f_unorderedOrLess"), F_Less(4, "f_less"), @@ -1883,7 +1999,6 @@ F_Unordered(7, "f_unordered"), F_Always(8, "f_always"), F_Equal(9, "f_equal"), - F_Zero(9, "f_zero"), F_UnorderedOrEqual(10, "f_unorderedOrEqual"), F_GreaterOrEqual(11, "f_greaterOrEqual"), F_UnorderedGreaterOrEqual(12, "f_unorderedGreaterOrEqual"), @@ -1942,16 +2057,100 @@ } public ConditionFlag negate() { + //@formatter:off switch (this) { - case CarrySet: - return CarryClear; - case CarryClear: - return CarrySet; + case F_Never : return F_Always; + case F_Always : return F_Never; + case F_NotEqual : return F_Equal; + case F_Equal : return F_NotEqual; + case F_LessOrGreater : return F_UnorderedOrEqual; + case F_UnorderedOrEqual : return F_LessOrGreater; + case F_Less : return F_UnorderedGreaterOrEqual; + case F_UnorderedGreaterOrEqual: return F_Less; + case F_LessOrEqual : return F_UnorderedOrGreater; + case F_UnorderedOrGreater : return F_LessOrEqual; + case F_Greater : return F_UnorderedOrLessOrEqual; + case F_UnorderedOrLessOrEqual : return F_Greater; + case F_GreaterOrEqual : return F_UnorderedOrLess; + case F_UnorderedOrLess : return F_GreaterOrEqual; + case F_Unordered : return F_Ordered; + case F_Ordered : return F_Unordered; + case Never : return Always; + case Always : return Never; + case Equal : return NotEqual; + case NotEqual : return Equal; + case Zero : return NotZero; + case NotZero : return Zero; + case LessEqual : return Greater; + case Greater : return LessEqual; + case Less : return GreaterEqual; + case GreaterEqual : return Less; + case LessEqualUnsigned : return GreaterUnsigned; + case GreaterUnsigned : return LessEqualUnsigned; + case LessUnsigned : return GreaterEqualUnsigned; + case GreaterEqualUnsigned : return LessUnsigned; + case CarrySet : return CarryClear; + case CarryClear : return CarrySet; + case Negative : return Positive; + case Positive : return Negative; + case OverflowSet : return OverflowClear; + case OverflowClear : return OverflowSet; default: GraalInternalError.unimplemented(); } + //@formatter:on return null; } + + public static ConditionFlag fromCondtition(CC conditionFlagsRegister, Condition cond, boolean unorderedIsTrue) { + switch (conditionFlagsRegister) { + case Xcc: + case Icc: + switch (cond) { + case EQ: + return ConditionFlag.Equal; + case NE: + return ConditionFlag.NotEqual; + case BT: + return ConditionFlag.LessUnsigned; + case LT: + return ConditionFlag.Less; + case BE: + return ConditionFlag.LessEqualUnsigned; + case LE: + return ConditionFlag.LessEqual; + case AE: + return ConditionFlag.GreaterEqualUnsigned; + case GE: + return ConditionFlag.GreaterEqual; + case AT: + return ConditionFlag.GreaterUnsigned; + case GT: + return ConditionFlag.Greater; + } + throw GraalInternalError.shouldNotReachHere("Unimplemented for: " + cond); + case Fcc0: + case Fcc1: + case Fcc2: + case Fcc3: + switch (cond) { + case EQ: + return unorderedIsTrue ? ConditionFlag.F_UnorderedOrEqual : ConditionFlag.F_Equal; + case NE: + return ConditionFlag.F_NotEqual; + case LT: + return unorderedIsTrue ? ConditionFlag.F_UnorderedOrLess : ConditionFlag.F_Less; + case LE: + return unorderedIsTrue ? ConditionFlag.F_UnorderedOrLessOrEqual : ConditionFlag.F_LessOrEqual; + case GE: + return unorderedIsTrue ? ConditionFlag.F_UnorderedGreaterOrEqual : ConditionFlag.F_GreaterOrEqual; + case GT: + return unorderedIsTrue ? ConditionFlag.F_UnorderedOrGreater : ConditionFlag.F_Greater; + } + throw GraalInternalError.shouldNotReachHere("Unkown condition: " + cond); + } + throw GraalInternalError.shouldNotReachHere("Unknown condition flag register " + conditionFlagsRegister); + } } public enum RCondition { @@ -2069,10 +2268,14 @@ return isSimm(imm, 10); } - public static boolean isSimm11(int imm) { + public static boolean isSimm11(long imm) { return isSimm(imm, 11); } + public static boolean isSimm11(Constant constant) { + return isSimm11(constant.asLong()); + } + public static boolean isSimm13(int imm) { return isSimm(imm, 13); } @@ -2331,6 +2534,10 @@ public Bpcc(CC cc, Label label) { super(0, ConditionFlag.CarryClear, Op2s.Bp, cc, 1, label); } + + public Bpcc(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.CarryClear, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpcs extends Fmt00c { @@ -2342,6 +2549,10 @@ public Bpcs(CC cc, Label label) { super(0, ConditionFlag.CarrySet, Op2s.Bp, cc, 1, label); } + + public Bpcs(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.CarrySet, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpe extends Fmt00c { @@ -2372,6 +2583,10 @@ public Bpg(CC cc, Label label) { super(0, ConditionFlag.Greater, Op2s.Bp, cc, 1, label); } + + public Bpg(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.Greater, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpge extends Fmt00c { @@ -2383,6 +2598,10 @@ public Bpge(CC cc, Label label) { super(0, ConditionFlag.GreaterEqual, Op2s.Bp, cc, 1, label); } + + public Bpge(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.GreaterEqual, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpgu extends Fmt00c { @@ -2394,6 +2613,10 @@ public Bpgu(CC cc, Label label) { super(0, ConditionFlag.GreaterUnsigned, Op2s.Bp, cc, 1, label); } + + public Bpgu(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.GreaterUnsigned, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpl extends Fmt00c { @@ -2435,6 +2658,10 @@ public Bpleu(CC cc, Label label) { super(0, ConditionFlag.LessEqualUnsigned, Op2s.Bp, cc, 1, label); } + + public Bpleu(CC cc, boolean annul, boolean predictTaken, Label label) { + super(annul ? 1 : 0, ConditionFlag.LessEqualUnsigned, Op2s.Bp, cc, predictTaken ? 1 : 0, label); + } } public static class Bpn extends Fmt00c { @@ -3627,6 +3854,20 @@ } } + public static class Fmovscc extends Fmt10d { + + public Fmovscc(ConditionFlag cond, CC cca, Register src2, Register dst) { + super(Op3s.Fpop2, Opfs.Fmovscc, cond, cca, src2, dst); + } + } + + public static class Fmovdcc extends Fmt10d { + + public Fmovdcc(ConditionFlag cond, CC cca, Register src2, Register dst) { + super(Op3s.Fpop2, Opfs.Fmovdcc, cond, cca, src2, dst); + } + } + public static class Movcc extends Fmt10c { public Movcc(ConditionFlag cond, CC cca, Register src2, Register dst) {
--- a/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCMacroAssembler.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCMacroAssembler.java Mon Sep 22 09:21:29 2014 -0700 @@ -96,6 +96,10 @@ public Bpgeu(CC cc, Label label) { super(cc, label); } + + public Bpgeu(CC cc, boolean annul, boolean predictTaken, Label label) { + super(cc, annul, predictTaken, label); + } } public static class Bplu extends Bpcs { @@ -107,6 +111,10 @@ public Bplu(CC cc, Label label) { super(cc, label); } + + public Bplu(CC cc, boolean annul, boolean predictTaken, Label label) { + super(cc, annul, predictTaken, label); + } } public static class Bset extends Or { @@ -345,6 +353,14 @@ private long value; private Register dst; private boolean forceRelocatable; + private boolean delayed = false; + private AssemblerEmittable delayedInstruction; + + public Sethix(long value, Register dst, boolean forceRelocatable, boolean delayed) { + this(value, dst, forceRelocatable); + assert !(forceRelocatable && delayed) : "Relocatable sethix cannot be delayed"; + this.delayed = delayed; + } public Sethix(long value, Register dst, boolean forceRelocatable) { this.value = value; @@ -356,6 +372,17 @@ this(value, dst, false); } + private void emitInstruction(AssemblerEmittable insn, SPARCMacroAssembler masm) { + if (delayed) { + if (this.delayedInstruction != null) { + delayedInstruction.emit(masm); + } + delayedInstruction = insn; + } else { + insn.emit(masm); + } + } + public void emit(SPARCMacroAssembler masm) { int hi = (int) (value >> 32); int lo = (int) (value & ~0); @@ -364,43 +391,54 @@ final int startPc = masm.position(); if (hi == 0 && lo >= 0) { - new Sethi(hi22(lo), dst).emit(masm); + emitInstruction(new Sethi(hi22(lo), dst), masm); } else if (hi == -1) { - new Sethi(hi22(~lo), dst).emit(masm); - new Xor(dst, ~lo10(~0), dst).emit(masm); + emitInstruction(new Sethi(hi22(~lo), dst), masm); + emitInstruction(new Xor(dst, ~lo10(~0), dst), masm); } else { int shiftcnt = 0; - new Sethi(hi22(hi), dst).emit(masm); - if ((hi & 0x3ff) != 0) { // Any bits? - new Or(dst, hi & 0x3ff, dst).emit(masm); // msb 32-bits are now in lsb 32 + emitInstruction(new Sethi(hi22(hi), dst), masm); + if ((hi & 0x3ff) != 0) { // Any bits? + // msb 32-bits are now in lsb 32 + emitInstruction(new Or(dst, hi & 0x3ff, dst), masm); } - if ((lo & 0xFFFFFC00) != 0) { // done? - if (((lo >> 20) & 0xfff) != 0) { // Any bits set? - new Sllx(dst, 12, dst).emit(masm); // Make room for next 12 bits - new Or(dst, (lo >> 20) & 0xfff, dst).emit(masm); // Or in next 12 - shiftcnt = 0; // We already shifted + if ((lo & 0xFFFFFC00) != 0) { // done? + if (((lo >> 20) & 0xfff) != 0) { // Any bits set? + // Make room for next 12 bits + emitInstruction(new Sllx(dst, 12, dst), masm); + // Or in next 12 + emitInstruction(new Or(dst, (lo >> 20) & 0xfff, dst), masm); + shiftcnt = 0; // We already shifted } else { shiftcnt = 12; } if (((lo >> 10) & 0x3ff) != 0) { - new Sllx(dst, shiftcnt + 10, dst).emit(masm); // Make room for last 10 bits - new Or(dst, (lo >> 10) & 0x3ff, dst).emit(masm); // Or in next 10 + // Make room for last 10 bits + emitInstruction(new Sllx(dst, shiftcnt + 10, dst), masm); + // Or in next 10 + emitInstruction(new Or(dst, (lo >> 10) & 0x3ff, dst), masm); shiftcnt = 0; } else { shiftcnt = 10; } - new Sllx(dst, shiftcnt + 10, dst).emit(masm); // Shift leaving disp field 0'd + // Shift leaving disp field 0'd + emitInstruction(new Sllx(dst, shiftcnt + 10, dst), masm); } else { - new Sllx(dst, 32, dst).emit(masm); + emitInstruction(new Sllx(dst, 32, dst), masm); } } // Pad out the instruction sequence so it can be patched later. if (forceRelocatable) { while (masm.position() < (startPc + (INSTRUCTION_SIZE * 4))) { - new Nop().emit(masm); + emitInstruction(new Nop(), masm); } } } + + public void emitDelayed(SPARCMacroAssembler masm) { + assert delayedInstruction != null; + delayedInstruction.emit(masm); + } } public static class Setx { @@ -408,11 +446,21 @@ private long value; private Register dst; private boolean forceRelocatable; + private boolean delayed = false; + private boolean delayedFirstEmitted = false; + private Sethix sethix; + private AssemblerEmittable delayedAdd; - public Setx(long value, Register dst, boolean forceRelocatable) { + public Setx(long value, Register dst, boolean forceRelocatable, boolean delayed) { + assert !(forceRelocatable && delayed) : "Cannot use relocatable setx as delayable"; this.value = value; this.dst = dst; this.forceRelocatable = forceRelocatable; + this.delayed = delayed; + } + + public Setx(long value, Register dst, boolean forceRelocatable) { + this(value, dst, forceRelocatable, false); } public Setx(long value, Register dst) { @@ -420,12 +468,46 @@ } public void emit(SPARCMacroAssembler masm) { - new Sethix(value, dst, forceRelocatable).emit(masm); + assert !delayed; + doEmit(masm); + } + + private void doEmit(SPARCMacroAssembler masm) { + sethix = new Sethix(value, dst, forceRelocatable, delayed); + sethix.emit(masm); int lo = (int) (value & ~0); if (lo10(lo) != 0 || forceRelocatable) { - new Add(dst, lo10(lo), dst).emit(masm); + Add add = new Add(dst, lo10(lo), dst); + if (delayed) { + sethix.emitDelayed(masm); + sethix = null; + delayedAdd = add; + } else { + sethix = null; + add.emit(masm); + } } } + + public void emitFirstPartOfDelayed(SPARCMacroAssembler masm) { + assert !forceRelocatable : "Cannot use delayed mode with relocatable setx"; + assert delayed : "Can only be used in delayed mode"; + doEmit(masm); + delayedFirstEmitted = true; + } + + public void emitSecondPartOfDelayed(SPARCMacroAssembler masm) { + assert !forceRelocatable : "Cannot use delayed mode with relocatable setx"; + assert delayed : "Can only be used in delayed mode"; + assert delayedFirstEmitted : "First part has not been emitted so far."; + assert delayedAdd == null && sethix != null || delayedAdd != null && sethix == null : "Either add or sethix must be set"; + if (delayedAdd != null) { + delayedAdd.emit(masm); + } else { + sethix.emitDelayed(masm); + } + + } } public static class Signx extends Sra {
--- a/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCLIRGenerator.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCLIRGenerator.java Mon Sep 22 09:21:29 2014 -0700 @@ -32,12 +32,12 @@ import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; +import com.oracle.graal.asm.sparc.SPARCAssembler.CC; import com.oracle.graal.asm.sparc.SPARCAssembler.ConditionFlag; import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.lir.*; -import com.oracle.graal.lir.StandardOp.JumpOp; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.lir.sparc.SPARCArithmetic.BinaryRegConst; @@ -48,7 +48,6 @@ import com.oracle.graal.lir.sparc.SPARCCompare.CompareOp; import com.oracle.graal.lir.sparc.SPARCControlFlow.BranchOp; import com.oracle.graal.lir.sparc.SPARCControlFlow.CondMoveOp; -import com.oracle.graal.lir.sparc.SPARCControlFlow.FloatCondMoveOp; import com.oracle.graal.lir.sparc.SPARCControlFlow.ReturnOp; import com.oracle.graal.lir.sparc.SPARCControlFlow.StrategySwitchOp; import com.oracle.graal.lir.sparc.SPARCControlFlow.TableSwitchOp; @@ -227,29 +226,49 @@ @Override public void emitJump(LabelRef label) { - append(new JumpOp(label)); + append(new SPARCJumpOp(label)); } @Override - public void emitCompareBranch(PlatformKind cmpKind, Value left, Value right, Condition cond, boolean unorderedIsTrue, LabelRef trueDestination, LabelRef falseDestination, + public void emitCompareBranch(PlatformKind cmpKind, Value x, Value y, Condition cond, boolean unorderedIsTrue, LabelRef trueDestination, LabelRef falseDestination, double trueDestinationProbability) { - boolean mirrored = emitCompare(cmpKind, left, right); - Condition finalCondition = mirrored ? cond.mirror() : cond; - + Variable left; + Value right; + Condition actualCondition = null; + if (isConstant(x)) { + left = load(y); + right = loadNonConst(x); + actualCondition = cond.mirror(); + } else { + left = load(x); + right = loadNonConst(y); + actualCondition = cond; + } + SPARCCompare opcode = null; Kind kind = left.getKind().getStackKind(); switch (kind) { - case Int: + case Object: + opcode = ACMP; + break; case Long: - case Object: - append(new BranchOp(finalCondition, trueDestination, falseDestination, kind)); + opcode = LCMP; + break; + case Int: + case Short: + case Char: + case Byte: + opcode = ICMP; break; case Float: + opcode = FCMP; + break; case Double: - append(new BranchOp(finalCondition, trueDestination, falseDestination, kind, unorderedIsTrue)); + opcode = DCMP; break; default: - throw GraalInternalError.shouldNotReachHere("" + left.getKind()); + GraalInternalError.shouldNotReachHere(kind.toString()); } + append(new SPARCControlFlow.CompareBranchOp(opcode, left, right, actualCondition, trueDestination, falseDestination, kind, unorderedIsTrue, trueDestinationProbability)); } @Override @@ -272,26 +291,52 @@ } } + private Value loadSimm11(Value value) { + if (isConstant(value)) { + Constant c = asConstant(value); + if (c.isNull() || SPARCAssembler.isSimm11(c)) { + return value; + } else { + return load(c); + } + } + return emitMove(value); + } + @Override public Variable emitConditionalMove(PlatformKind cmpKind, Value left, Value right, Condition cond, boolean unorderedIsTrue, Value trueValue, Value falseValue) { boolean mirrored = emitCompare(cmpKind, left, right); - Condition finalCondition = mirrored ? cond.mirror() : cond; - - Variable result = newVariable(trueValue.getLIRKind()); - Kind kind = left.getKind().getStackKind(); - switch (kind) { + CC conditionFlags; + Value actualTrueValue = trueValue; + Value actualFalseValue = falseValue; + switch ((Kind) left.getLIRKind().getPlatformKind()) { + case Byte: + case Short: + case Char: case Int: - case Long: + conditionFlags = CC.Icc; + actualTrueValue = loadSimm11(trueValue); + actualFalseValue = loadSimm11(falseValue); + break; case Object: - append(new CondMoveOp(kind, result, finalCondition, load(trueValue), loadNonConst(falseValue))); + case Long: + conditionFlags = CC.Xcc; + actualTrueValue = loadSimm11(trueValue); + actualFalseValue = loadSimm11(falseValue); break; case Float: case Double: - append(new FloatCondMoveOp(kind, result, finalCondition, unorderedIsTrue, load(trueValue), load(falseValue))); + conditionFlags = CC.Fcc0; + actualTrueValue = load(trueValue); // Floats cannot be immediate at all + actualFalseValue = load(falseValue); break; default: - throw GraalInternalError.shouldNotReachHere("" + left.getKind()); + throw GraalInternalError.shouldNotReachHere(); } + Variable result = newVariable(trueValue.getLIRKind()); + ConditionFlag finalCondition = ConditionFlag.fromCondtition(conditionFlags, mirrored ? cond.mirror() : cond, unorderedIsTrue); + Kind kind = result.getKind().getStackKind(); + append(new CondMoveOp(kind, result, conditionFlags, finalCondition, actualTrueValue, actualFalseValue)); return result; } @@ -351,7 +396,23 @@ emitIntegerTest(left, right); Variable result = newVariable(trueValue.getLIRKind()); Kind kind = left.getKind().getStackKind(); - append(new CondMoveOp(kind, result, Condition.EQ, load(trueValue), loadNonConst(falseValue))); + CC conditionCode; + switch (kind) { + case Object: + case Long: + conditionCode = CC.Xcc; + break; + case Int: + case Short: + case Char: + case Byte: + conditionCode = CC.Icc; + break; + default: + throw GraalInternalError.shouldNotReachHere(); + } + ConditionFlag flag = ConditionFlag.fromCondtition(conditionCode, Condition.EQ, false); + append(new CondMoveOp(kind, result, conditionCode, flag, loadSimm11(trueValue), loadSimm11(falseValue))); return result; }
--- a/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCNodeLIRBuilder.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCNodeLIRBuilder.java Mon Sep 22 09:21:29 2014 -0700 @@ -26,6 +26,8 @@ import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; +import com.oracle.graal.lir.*; +import com.oracle.graal.lir.StandardOp.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.nodes.*; @@ -55,4 +57,9 @@ Value[] parameters = visitInvokeArguments(gen.getResult().getFrameMap().registerConfig.getCallingConvention(CallingConvention.Type.JavaCall, null, sig, gen.target(), false), node.arguments()); append(new SPARCBreakpointOp(parameters)); } + + @Override + protected JumpOp newJumpOp(LabelRef ref) { + return new SPARCJumpOp(ref); + } }
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/NodeLIRBuilder.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/NodeLIRBuilder.java Mon Sep 22 09:21:29 2014 -0700 @@ -369,7 +369,11 @@ } resolver.dispose(); - append(new JumpOp(getLIRBlock(merge))); + append(newJumpOp(getLIRBlock(merge))); + } + + protected JumpOp newJumpOp(LabelRef ref) { + return new JumpOp(ref); } protected LIRKind getPhiKind(PhiNode phi) {
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java Mon Sep 22 09:21:29 2014 -0700 @@ -43,6 +43,7 @@ import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Nop; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.RestoreWindow; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Setx; +import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.HotSpotCodeCacheProvider.MarkId; import com.oracle.graal.hotspot.meta.*; @@ -52,6 +53,7 @@ import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.sparc.*; +import com.oracle.graal.lir.sparc.SPARCCall.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.sparc.*; @@ -207,6 +209,7 @@ @Override public void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner) { + fixupDelayedInstructions(lir); SPARCMacroAssembler masm = (SPARCMacroAssembler) crb.asm; FrameMap frameMap = crb.frameMap; RegisterConfig regConfig = frameMap.registerConfig; @@ -261,4 +264,82 @@ } } + private static void fixupDelayedInstructions(LIR l) { + for (AbstractBlock<?> b : l.codeEmittingOrder()) { + fixupDelayedInstructions(l, b); + } + } + + private static void fixupDelayedInstructions(LIR l, AbstractBlock<?> block) { + TailDelayedLIRInstruction lastDelayable = null; + for (LIRInstruction inst : l.getLIRforBlock(block)) { + if (lastDelayable != null && inst instanceof DelaySlotHolder) { + if (isDelayable(inst, (LIRInstruction) lastDelayable)) { + lastDelayable.setDelaySlotHolder((DelaySlotHolder) inst); + } + lastDelayable = null; // We must not pull over other delay slot holder. + } else if (inst instanceof TailDelayedLIRInstruction) { + lastDelayable = (TailDelayedLIRInstruction) inst; + } else { + lastDelayable = null; + } + } + } + + public static boolean isDelayable(final LIRInstruction delaySlotHolder, final LIRInstruction other) { + final Set<Value> delaySlotHolderInputs = new HashSet<>(2); + final Set<LIRFrameState> otherFrameStates = new HashSet<>(2); + other.forEachState(new InstructionStateProcedure() { + @Override + protected void doState(LIRInstruction instruction, LIRFrameState state) { + otherFrameStates.add(state); + } + }); + int frameStatesBefore = otherFrameStates.size(); + delaySlotHolder.forEachState(new InstructionStateProcedure() { + @Override + protected void doState(LIRInstruction instruction, LIRFrameState state) { + otherFrameStates.add(state); + } + }); + if (frameStatesBefore != otherFrameStates.size() && otherFrameStates.size() >= 2) { + // both have framestates, the instruction is not delayable + return false; + } + // Direct calls do not have dependencies to data before + if (delaySlotHolder instanceof DirectCallOp) { + return true; + } + delaySlotHolder.visitEachInput(new InstructionValueConsumer() { + @Override + protected void visitValue(LIRInstruction instruction, Value value) { + delaySlotHolderInputs.add(value); + } + }); + delaySlotHolder.visitEachTemp(new InstructionValueConsumer() { + @Override + protected void visitValue(LIRInstruction instruction, Value value) { + delaySlotHolderInputs.add(value); + } + }); + if (delaySlotHolderInputs.size() == 0) { + return true; + } + final Set<Value> otherOutputs = new HashSet<>(); + other.visitEachOutput(new InstructionValueConsumer() { + @Override + protected void visitValue(LIRInstruction instruction, Value value) { + otherOutputs.add(value); + } + }); + other.visitEachTemp(new InstructionValueConsumer() { + @Override + protected void visitValue(LIRInstruction instruction, Value value) { + otherOutputs.add(value); + } + }); + int sizeBefore = otherOutputs.size(); + otherOutputs.removeAll(delaySlotHolderInputs); + return otherOutputs.size() == sizeBefore; + } }
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -55,7 +55,7 @@ public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // Restore the thread register when coming back from the runtime. - SPARCMove.move(crb, masm, thread.asValue(LIRKind.value(Kind.Long)), threadTemp); + SPARCMove.move(crb, masm, thread.asValue(LIRKind.value(Kind.Long)), threadTemp, DelaySlotHolder.DUMMY); // Reset last Java frame, last Java PC and flags. new Stx(g0, new SPARCAddress(thread, threadLastJavaSpOffset)).emit(masm);
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallPrologueOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotCRuntimeCallPrologueOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -35,12 +35,13 @@ import com.oracle.graal.lir.sparc.*; @Opcode("CRUNTIME_CALL_PROLOGUE") -final class SPARCHotSpotCRuntimeCallPrologueOp extends SPARCLIRInstruction { +final class SPARCHotSpotCRuntimeCallPrologueOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { private final int threadLastJavaSpOffset; private final Register thread; private final Register stackPointer; @Def({REG, STACK}) protected Value threadTemp; + private DelaySlotHolder delayHolder = DelaySlotHolder.DUMMY; public SPARCHotSpotCRuntimeCallPrologueOp(int threadLastJavaSpOffset, Register thread, Register stackPointer, Value threadTemp) { this.threadLastJavaSpOffset = threadLastJavaSpOffset; @@ -56,6 +57,10 @@ new Stx(g4, new SPARCAddress(thread, threadLastJavaSpOffset)).emit(masm); // Save the thread register when calling out to the runtime. - SPARCMove.move(crb, masm, threadTemp, thread.asValue(LIRKind.value(Kind.Long))); + SPARCMove.move(crb, masm, threadTemp, thread.asValue(LIRKind.value(Kind.Long)), delayHolder); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delayHolder = holder; } }
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotspotDirectStaticCallOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotspotDirectStaticCallOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -46,8 +46,7 @@ } @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { MarkId.recordMark(crb, invokeKind == InvokeKind.Static ? MarkId.INVOKESTATIC : MarkId.INVOKESPECIAL); - super.emitCode(crb, masm); } }
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotspotDirectVirtualCallOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotspotDirectVirtualCallOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -51,12 +51,11 @@ } @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // The mark for an invocation that uses an inline cache must be placed at the // instruction that loads the Klass from the inline cache. MarkId.recordMark(crb, invokeKind == InvokeKind.Virtual ? MarkId.INVOKEVIRTUAL : MarkId.INVOKEINTERFACE); Register scratchRegister = g5; new Setx(HotSpotGraalRuntime.runtime().getConfig().nonOopBits, scratchRegister, true).emit(masm); - super.emitCode(crb, masm); } }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/DelaySlotHolder.java Mon Sep 22 09:21:29 2014 -0700 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.graal.lir.sparc; + +import com.oracle.graal.asm.sparc.*; +import com.oracle.graal.lir.*; +import com.oracle.graal.lir.asm.*; + +/** + * This interface can be used for {@link LIRInstruction}s which may provide a delay slot. If a delay + * slot for this LIRInstruction is requrested, the requester just calls the method + * {@link #emitForDelay(CompilationResultBuilder, SPARCMacroAssembler)}. + * + * @see TailDelayedLIRInstruction + */ +public interface DelaySlotHolder { + + DelaySlotHolder DUMMY = new DelaySlotHolder() { + public void emitForDelay(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + // do nothing + } + + @Override + public String toString() { + return "null"; + } + }; + + public void emitForDelay(CompilationResultBuilder crb, SPARCMacroAssembler masm); + +}
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCArithmetic.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCArithmetic.java Mon Sep 22 09:21:29 2014 -0700 @@ -51,11 +51,12 @@ /** * Unary operation with separate source and destination operand. */ - public static class Unary2Op extends SPARCLIRInstruction { + public static class Unary2Op extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Opcode private final SPARCArithmetic opcode; @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue x; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public Unary2Op(SPARCArithmetic opcode, AllocatableValue result, AllocatableValue x) { this.opcode = opcode; @@ -65,7 +66,11 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - emitUnary(crb, masm, opcode, result, x, null); + emitUnary(crb, masm, opcode, result, x, null, delaySlotLir); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; } } @@ -73,13 +78,14 @@ * Binary operation with two operands. The first source operand is combined with the * destination. The second source operand must be a register. */ - public static class BinaryRegReg extends SPARCLIRInstruction { + public static class BinaryRegReg extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Opcode private final SPARCArithmetic opcode; @Def({REG}) protected Value result; @Use({REG}) protected Value x; @Alive({REG}) protected Value y; @State LIRFrameState state; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public BinaryRegReg(SPARCArithmetic opcode, Value result, Value x, Value y) { this(opcode, result, x, y, null); @@ -95,7 +101,7 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - emitRegReg(crb, masm, opcode, result, x, y, state); + emitRegReg(crb, masm, opcode, result, x, y, state, delaySlotLir); } @Override @@ -103,18 +109,23 @@ super.verify(); verifyKind(opcode, result, x, y); } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; + } } /** * Binary operation with single source/destination operand and one constant. */ - public static class BinaryRegConst extends SPARCLIRInstruction { + public static class BinaryRegConst extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Opcode private final SPARCArithmetic opcode; @Def({REG}) protected AllocatableValue result; @Use({REG}) protected Value x; @State protected LIRFrameState state; protected Constant y; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public BinaryRegConst(SPARCArithmetic opcode, AllocatableValue result, Value x, Constant y) { this(opcode, result, x, y, null); @@ -130,7 +141,7 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - emitRegConstant(crb, masm, opcode, result, x, y, null); + emitRegConstant(crb, masm, opcode, result, x, y, null, delaySlotLir); } @Override @@ -138,12 +149,16 @@ super.verify(); verifyKind(opcode, result, x, y); } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; + } } /** * Special LIR instruction as it requires a bunch of scratch registers. */ - public static class RemOp extends SPARCLIRInstruction { + public static class RemOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Opcode private final SPARCArithmetic opcode; @Def({REG}) protected Value result; @@ -152,6 +167,7 @@ @Temp({REG}) protected Value scratch1; @Temp({REG}) protected Value scratch2; @State protected LIRFrameState state; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public RemOp(SPARCArithmetic opcode, Value result, Value x, Value y, LIRFrameState state, LIRGeneratorTool gen) { this.opcode = opcode; @@ -165,7 +181,7 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - emitRem(crb, masm, opcode, result, x, y, scratch1, scratch2, state); + emitRem(crb, masm, opcode, result, x, y, scratch1, scratch2, state, delaySlotLir); } @Override @@ -173,12 +189,18 @@ super.verify(); verifyKind(opcode, result, x, y); } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; + } } - private static void emitRegConstant(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Constant src2, LIRFrameState info) { + private static void emitRegConstant(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Constant src2, LIRFrameState info, + DelaySlotHolder delaySlotLir) { assert isSimm13(crb.asIntConst(src2)) : src2; int constant = crb.asIntConst(src2); int exceptionOffset = -1; + delaySlotLir.emitForDelay(crb, masm); switch (opcode) { case IADD: new Add(asIntReg(src1), constant, asIntReg(dst)).emit(masm); @@ -264,94 +286,119 @@ } } - public static void emitRegReg(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Value src2, LIRFrameState info) { + public static void emitRegReg(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Value src2, LIRFrameState info, DelaySlotHolder delaySlotLir) { int exceptionOffset = -1; assert !isConstant(src1) : src1; assert !isConstant(src2) : src2; switch (opcode) { case IADD: + delaySlotLir.emitForDelay(crb, masm); new Add(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case ISUB: + delaySlotLir.emitForDelay(crb, masm); new Sub(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IMUL: + delaySlotLir.emitForDelay(crb, masm); new Mulx(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IDIV: new Signx(asIntReg(src1), asIntReg(src1)).emit(masm); new Signx(asIntReg(src2), asIntReg(src2)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Sdivx(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IUDIV: new Signx(asIntReg(src1), asIntReg(src1)).emit(masm); new Signx(asIntReg(src2), asIntReg(src2)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Udivx(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IAND: + delaySlotLir.emitForDelay(crb, masm); new And(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IOR: + delaySlotLir.emitForDelay(crb, masm); new Or(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IXOR: + delaySlotLir.emitForDelay(crb, masm); new Xor(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case ISHL: + delaySlotLir.emitForDelay(crb, masm); new Sll(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case ISHR: + delaySlotLir.emitForDelay(crb, masm); new Sra(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IUSHR: + delaySlotLir.emitForDelay(crb, masm); new Srl(asIntReg(src1), asIntReg(src2), asIntReg(dst)).emit(masm); break; case IREM: throw GraalInternalError.unimplemented(); case LADD: + delaySlotLir.emitForDelay(crb, masm); new Add(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LSUB: + delaySlotLir.emitForDelay(crb, masm); new Sub(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LMUL: + delaySlotLir.emitForDelay(crb, masm); new Mulx(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LDIV: + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Sdivx(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LUDIV: + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Udivx(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LAND: + delaySlotLir.emitForDelay(crb, masm); new And(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LOR: + delaySlotLir.emitForDelay(crb, masm); new Or(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LXOR: + delaySlotLir.emitForDelay(crb, masm); new Xor(asLongReg(src1), asLongReg(src2), asLongReg(dst)).emit(masm); break; case LSHL: + delaySlotLir.emitForDelay(crb, masm); new Sllx(asLongReg(src1), asIntReg(src2), asLongReg(dst)).emit(masm); break; case LSHR: + delaySlotLir.emitForDelay(crb, masm); new Srax(asLongReg(src1), asIntReg(src2), asLongReg(dst)).emit(masm); break; case LUSHR: + delaySlotLir.emitForDelay(crb, masm); new Srlx(asLongReg(src1), asIntReg(src2), asLongReg(dst)).emit(masm); break; case FADD: + delaySlotLir.emitForDelay(crb, masm); new Fadds(asFloatReg(src1), asFloatReg(src2), asFloatReg(dst)).emit(masm); break; case FSUB: + delaySlotLir.emitForDelay(crb, masm); new Fsubs(asFloatReg(src1), asFloatReg(src2), asFloatReg(dst)).emit(masm); break; case FMUL: + delaySlotLir.emitForDelay(crb, masm); if (dst.getPlatformKind() == Kind.Double) { new Fsmuld(asFloatReg(src1), asFloatReg(src2), asDoubleReg(dst)).emit(masm); } else if (dst.getPlatformKind() == Kind.Float) { @@ -359,27 +406,33 @@ } break; case FDIV: + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Fdivs(asFloatReg(src1), asFloatReg(src2), asFloatReg(dst)).emit(masm); break; case FREM: throw GraalInternalError.unimplemented(); case DADD: + delaySlotLir.emitForDelay(crb, masm); new Faddd(asDoubleReg(src1), asDoubleReg(src2), asDoubleReg(dst)).emit(masm); break; case DSUB: + delaySlotLir.emitForDelay(crb, masm); new Fsubd(asDoubleReg(src1), asDoubleReg(src2), asDoubleReg(dst)).emit(masm); break; case DMUL: + delaySlotLir.emitForDelay(crb, masm); new Fmuld(asDoubleReg(src1), asDoubleReg(src2), asDoubleReg(dst)).emit(masm); break; case DDIV: + delaySlotLir.emitForDelay(crb, masm); exceptionOffset = masm.position(); new Fdivd(asDoubleReg(src1), asDoubleReg(src2), asDoubleReg(dst)).emit(masm); break; case DREM: throw GraalInternalError.unimplemented(); case DAND: + delaySlotLir.emitForDelay(crb, masm); new Fandd(asDoubleReg(src1), asDoubleReg(src2), asDoubleReg(dst)).emit(masm); break; default: @@ -391,7 +444,8 @@ } } - public static void emitRem(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Value src2, Value scratch1, Value scratch2, LIRFrameState info) { + public static void emitRem(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src1, Value src2, Value scratch1, Value scratch2, LIRFrameState info, + DelaySlotHolder delaySlotLir) { int exceptionOffset = -1; if (!isConstant(src1) && isConstant(src2)) { assert isSimm13(crb.asIntConst(src2)); @@ -404,18 +458,21 @@ exceptionOffset = masm.position(); new Sdivx(asIntReg(dst), crb.asIntConst(src2), asIntReg(scratch1)).emit(masm); new Mulx(asIntReg(scratch1), crb.asIntConst(src2), asIntReg(scratch2)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asIntReg(dst), asIntReg(scratch2), asIntReg(dst)).emit(masm); break; case LREM: exceptionOffset = masm.position(); new Sdivx(asLongReg(src1), crb.asIntConst(src2), asLongReg(scratch1)).emit(masm); new Mulx(asLongReg(scratch1), crb.asIntConst(src2), asLongReg(scratch2)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asLongReg(src1), asLongReg(scratch2), asLongReg(dst)).emit(masm); break; case LUREM: exceptionOffset = masm.position(); new Udivx(asLongReg(src1), crb.asIntConst(src2), asLongReg(scratch1)).emit(masm); new Mulx(asLongReg(scratch1), crb.asIntConst(src2), asLongReg(scratch2)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asLongReg(src1), asLongReg(scratch2), asLongReg(dst)).emit(masm); break; case IUREM: @@ -438,6 +495,7 @@ exceptionOffset = masm.position(); new Sdivx(asLongReg(srcLeft), asLongReg(src2), asLongReg(scratch1)).emit(masm); new Mulx(asLongReg(scratch1), asLongReg(src2), asLongReg(scratch1)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asLongReg(srcLeft), asLongReg(scratch1), asLongReg(dst)).emit(masm); break; case LUREM: @@ -450,6 +508,7 @@ exceptionOffset = masm.position(); new Udivx(asLongReg(srcLeft), asLongReg(src2), asLongReg(scratch1)).emit(masm); new Mulx(asLongReg(scratch1), asLongReg(src2), asLongReg(scratch1)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asLongReg(srcLeft), asLongReg(scratch1), asLongReg(dst)).emit(masm); break; case IREM: @@ -464,6 +523,7 @@ exceptionOffset = masm.position(); new Sdivx(asIntReg(scratch1), asIntReg(scratch2), asIntReg(dst)).emit(masm); new Mulx(asIntReg(dst), asIntReg(scratch2), asIntReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asIntReg(scratch1), asIntReg(dst), asIntReg(dst)).emit(masm); break; case IUREM: @@ -474,6 +534,7 @@ exceptionOffset = masm.position(); new Udivx(asIntReg(scratch1), asIntReg(dst), asIntReg(scratch2)).emit(masm); new Mulx(asIntReg(scratch2), asIntReg(dst), asIntReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Sub(asIntReg(scratch1), asIntReg(dst), asIntReg(dst)).emit(masm); break; default: @@ -488,60 +549,76 @@ } } - public static void emitUnary(CompilationResultBuilder crb, SPARCAssembler masm, SPARCArithmetic opcode, Value dst, Value src, LIRFrameState info) { + public static void emitUnary(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCArithmetic opcode, Value dst, Value src, LIRFrameState info, DelaySlotHolder delaySlotLir) { int exceptionOffset = -1; Label notOrdered = new Label(); switch (opcode) { case INEG: + delaySlotLir.emitForDelay(crb, masm); new Neg(asIntReg(src), asIntReg(dst)).emit(masm); break; case LNEG: + delaySlotLir.emitForDelay(crb, masm); new Neg(asLongReg(src), asLongReg(dst)).emit(masm); break; case INOT: + delaySlotLir.emitForDelay(crb, masm); new Not(asIntReg(src), asIntReg(dst)).emit(masm); break; case LNOT: + delaySlotLir.emitForDelay(crb, masm); new Not(asLongReg(src), asLongReg(dst)).emit(masm); break; case D2F: + delaySlotLir.emitForDelay(crb, masm); new Fdtos(asDoubleReg(src), asFloatReg(dst)).emit(masm); break; case L2D: + delaySlotLir.emitForDelay(crb, masm); new Fxtod(asDoubleReg(src), asDoubleReg(dst)).emit(masm); break; case L2F: + delaySlotLir.emitForDelay(crb, masm); new Fxtos(asDoubleReg(src), asFloatReg(dst)).emit(masm); break; case I2D: + delaySlotLir.emitForDelay(crb, masm); new Fitod(asFloatReg(src), asDoubleReg(dst)).emit(masm); break; case I2L: + delaySlotLir.emitForDelay(crb, masm); new Signx(asIntReg(src), asLongReg(dst)).emit(masm); break; case L2I: + delaySlotLir.emitForDelay(crb, masm); new Signx(asLongReg(src), asIntReg(dst)).emit(masm); break; case B2L: new Sllx(asIntReg(src), 56, asLongReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Srax(asLongReg(dst), 56, asLongReg(dst)).emit(masm); break; case B2I: new Sllx(asIntReg(src), 56, asIntReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Srax(asIntReg(dst), 56, asIntReg(dst)).emit(masm); break; case S2L: new Sllx(asIntReg(src), 48, asLongReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Srax(asLongReg(dst), 48, asLongReg(dst)).emit(masm); break; case S2I: new Sllx(asIntReg(src), 48, asIntReg(dst)).emit(masm); + delaySlotLir.emitForDelay(crb, masm); new Srax(asIntReg(dst), 48, asIntReg(dst)).emit(masm); break; case I2F: + delaySlotLir.emitForDelay(crb, masm); new Fitos(asFloatReg(src), asFloatReg(dst)).emit(masm); break; case F2D: + delaySlotLir.emitForDelay(crb, masm); new Fstod(asFloatReg(src), asDoubleReg(dst)).emit(masm); break; case F2L: @@ -576,9 +653,11 @@ masm.bind(notOrdered); break; case FNEG: + delaySlotLir.emitForDelay(crb, masm); new Fnegs(asFloatReg(src), asFloatReg(dst)).emit(masm); break; case DNEG: + delaySlotLir.emitForDelay(crb, masm); new Fnegd(asDoubleReg(src), asDoubleReg(dst)).emit(masm); break; default:
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCByteSwapOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCByteSwapOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -35,12 +35,13 @@ import com.oracle.graal.lir.gen.*; @Opcode("BSWAP") -public class SPARCByteSwapOp extends SPARCLIRInstruction { +public class SPARCByteSwapOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Def({REG, HINT}) protected Value result; @Use({REG}) protected Value input; @Temp({REG}) protected Value tempIndex; @Use({STACK}) protected StackSlot tmpSlot; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public SPARCByteSwapOp(LIRGeneratorTool tool, Value result, Value input) { this.result = result; @@ -51,13 +52,14 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - SPARCMove.move(crb, masm, tmpSlot, input); + SPARCMove.move(crb, masm, tmpSlot, input, DelaySlotHolder.DUMMY); SPARCAddress addr = (SPARCAddress) crb.asAddress(tmpSlot); if (addr.getIndex().equals(Register.None)) { Register tempReg = ValueUtil.asLongReg(tempIndex); new SPARCMacroAssembler.Setx(addr.getDisplacement(), tempReg, false).emit(masm); addr = new SPARCAddress(addr.getBase(), tempReg); } + delaySlotLir.emitForDelay(crb, masm); switch (input.getKind()) { case Int: new SPARCAssembler.Lduwa(addr.getBase(), addr.getIndex(), asIntReg(result), Asi.ASI_PRIMARY_LITTLE).emit(masm); @@ -69,4 +71,8 @@ throw GraalInternalError.shouldNotReachHere(); } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; + } }
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCall.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCall.java Mon Sep 22 09:21:29 2014 -0700 @@ -34,6 +34,7 @@ import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Jmp; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Nop; import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Sethix; +import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; @@ -72,15 +73,46 @@ } @Opcode("CALL_DIRECT") - public static class DirectCallOp extends MethodCallOp { + public static class DirectCallOp extends MethodCallOp implements DelaySlotHolder { + private boolean emitted = false; + private int before = -1; public DirectCallOp(ResolvedJavaMethod callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState state) { super(callTarget, result, parameters, temps, state); } @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - directCall(crb, masm, callTarget, null, true, state); + public final void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + if (!emitted) { + emitCallPrefixCode(crb, masm); + directCall(crb, masm, callTarget, null, true, state); + } else { + int after = masm.position(); + if (after - before == 4) { + new Nop().emit(masm); + } else if (after - before == 8) { + // everything is fine; + } else { + GraalInternalError.shouldNotReachHere("" + (after - before)); + } + after = masm.position(); + crb.recordDirectCall(before, after, callTarget, state); + crb.recordExceptionHandlers(after, state); + masm.ensureUniquePC(); + } + } + + @SuppressWarnings("unused") + public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + // + } + + public void emitForDelay(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + assert !emitted; + emitCallPrefixCode(crb, masm); + before = masm.position(); + new Call(0).emit(masm); + emitted = true; } }
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCompare.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCompare.java Mon Sep 22 09:21:29 2014 -0700 @@ -99,14 +99,14 @@ } else { assert isConstant(y); switch (opcode) { + case LCMP: + assert isSimm13(crb.asLongConst(y)); + new Cmp(asLongReg(x), (int) crb.asLongConst(y)).emit(masm); + break; case ICMP: assert isSimm13(crb.asIntConst(y)); new Cmp(asIntReg(x), crb.asIntConst(y)).emit(masm); break; - case LCMP: - assert isSimm13(crb.asIntConst(y)); - new Cmp(asLongReg(x), crb.asIntConst(y)).emit(masm); - break; case ACMP: if (((Constant) y).isNull()) { new Cmp(asObjectReg(x), 0).emit(masm);
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCControlFlow.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCControlFlow.java Mon Sep 22 09:21:29 2014 -0700 @@ -35,7 +35,7 @@ import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.lir.*; -import com.oracle.graal.lir.StandardOp.BlockEndOp; +import com.oracle.graal.lir.StandardOp.*; import com.oracle.graal.lir.SwitchStrategy.BaseSwitchClosure; import com.oracle.graal.lir.asm.*; import com.oracle.graal.sparc.*; @@ -62,6 +62,86 @@ } } + public static class CompareBranchOp extends SPARCLIRInstruction implements BlockEndOp, DelaySlotHolder { + + private final SPARCCompare opcode; + @Use({REG}) protected Value x; + @Use({REG, CONST}) protected Value y; + protected final Condition condition; + protected final LabelRef trueDestination; + protected final LabelRef falseDestination; + protected final Kind kind; + protected final boolean unorderedIsTrue; + private boolean emitted = false; + private double trueDestinationProbability; + + public CompareBranchOp(SPARCCompare opcode, Value x, Value y, Condition condition, LabelRef trueDestination, LabelRef falseDestination, Kind kind, boolean unorderedIsTrue, + double trueDestinationProbability) { + this.opcode = opcode; + this.x = x; + this.y = y; + this.condition = condition; + this.trueDestination = trueDestination; + this.falseDestination = falseDestination; + this.kind = kind; + this.unorderedIsTrue = unorderedIsTrue; + this.trueDestinationProbability = trueDestinationProbability; + } + + @Override + public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + if (!emitted) { + SPARCCompare.emit(crb, masm, opcode, x, y); + emitted = emitBranch(crb, masm, true); + } + assert emitted; + } + + public void emitForDelay(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + SPARCCompare.emit(crb, masm, opcode, x, y); + emitted = emitBranch(crb, masm, false); + } + + public boolean emitBranch(CompilationResultBuilder crb, SPARCMacroAssembler masm, boolean withDelayedNop) { + Label actualTarget; + Condition actualCondition; + boolean branchOnUnordered; + boolean needJump; + boolean predictBranchTaken; + if (crb.isSuccessorEdge(trueDestination)) { + actualCondition = condition != null ? condition.negate() : null; + actualTarget = falseDestination.label(); + predictBranchTaken = trueDestinationProbability < .5; // false branch needs jump + needJump = false; + branchOnUnordered = !unorderedIsTrue; + } else { + actualCondition = condition; + actualTarget = trueDestination.label(); + needJump = !crb.isSuccessorEdge(falseDestination); + predictBranchTaken = trueDestinationProbability >= .5; + branchOnUnordered = unorderedIsTrue; + } + if (!withDelayedNop && needJump) { + // We cannot make use of the delay slot when we jump in true-case and false-case + return false; + } + if (kind == Kind.Double || kind == Kind.Float) { + emitFloatBranch(masm, actualTarget, actualCondition, branchOnUnordered); + } else { + CC cc = kind == Kind.Int ? CC.Icc : CC.Xcc; + assert actualCondition != null; + SPARCControlFlow.emitBranch(masm, actualTarget, actualCondition, cc, predictBranchTaken); + } + if (withDelayedNop) { + new Nop().emit(masm); // delay slot + } + if (needJump) { + masm.jmp(falseDestination.label()); + } + return true; // emitted + } + } + public static class BranchOp extends SPARCLIRInstruction implements StandardOp.BranchOp { // TODO: Conditioncode/flag handling needs to be improved; protected final Condition condition; @@ -121,25 +201,25 @@ } assert kind == Kind.Int || kind == Kind.Long || kind == Kind.Object || kind == Kind.Double || kind == Kind.Float : kind; if (kind == Kind.Double || kind == Kind.Float) { - emitFloatCompare(masm, actualTarget, actualCondition, branchOnUnordered); + emitFloatBranch(masm, actualTarget, actualCondition, branchOnUnordered); } else { CC cc = kind == Kind.Int ? CC.Icc : CC.Xcc; if (actualCondition != null) { - emitCompare(masm, actualTarget, actualCondition, cc); + emitBranch(masm, actualTarget, actualCondition, cc, false); } else if (actualConditionFlag != null) { - emitCompare(masm, actualTarget, actualConditionFlag); + emitBranch(masm, actualTarget, actualConditionFlag); } else { GraalInternalError.shouldNotReachHere(); } - new Nop().emit(masm); // delay slot } + new Nop().emit(masm); // delay slot if (needJump) { masm.jmp(falseDestination.label()); } } } - private static void emitFloatCompare(SPARCMacroAssembler masm, Label target, Condition actualCondition, boolean branchOnUnordered) { + private static void emitFloatBranch(SPARCMacroAssembler masm, Label target, Condition actualCondition, boolean branchOnUnordered) { switch (actualCondition) { case EQ: if (branchOnUnordered) { @@ -187,44 +267,44 @@ default: throw GraalInternalError.shouldNotReachHere(); } - new Nop().emit(masm); } - private static void emitCompare(SPARCMacroAssembler masm, Label target, ConditionFlag actualCondition) { + private static void emitBranch(SPARCMacroAssembler masm, Label target, ConditionFlag actualCondition) { new Fmt00b(false, actualCondition, Op2s.Br, target).emit(masm); } - private static void emitCompare(SPARCMacroAssembler masm, Label target, Condition actualCondition, CC cc) { + private static void emitBranch(SPARCMacroAssembler masm, Label target, Condition actualCondition, CC cc, boolean predictTaken) { + switch (actualCondition) { case EQ: - new Bpe(cc, target).emit(masm); + new Bpe(cc, false, predictTaken, target).emit(masm); break; case NE: - new Bpne(cc, target).emit(masm); + new Bpne(cc, false, predictTaken, target).emit(masm); break; case BT: - new Bplu(cc, target).emit(masm); + new Bplu(cc, false, predictTaken, target).emit(masm); break; case LT: - new Bpl(cc, target).emit(masm); + new Bpl(cc, false, predictTaken, target).emit(masm); break; case BE: - new Bpleu(cc, target).emit(masm); + new Bpleu(cc, false, predictTaken, target).emit(masm); break; case LE: - new Bple(cc, target).emit(masm); + new Bple(cc, false, predictTaken, target).emit(masm); break; case GE: - new Bpge(cc, target).emit(masm); + new Bpge(cc, false, predictTaken, target).emit(masm); break; case AE: - new Bpgeu(cc, target).emit(masm); + new Bpgeu(cc, false, predictTaken, target).emit(masm); break; case GT: - new Bpg(cc, target).emit(masm); + new Bpg(cc, false, predictTaken, target).emit(masm); break; case AT: - new Bpgu(cc, target).emit(masm); + new Bpgu(cc, false, predictTaken, target).emit(masm); break; default: throw GraalInternalError.shouldNotReachHere(); @@ -273,18 +353,18 @@ new Setx(lc, asIntReg(scratch)).emit(masm); new Cmp(keyRegister, asIntReg(scratch)).emit(masm); } - emitCompare(masm, target, condition, CC.Icc); + emitBranch(masm, target, condition, CC.Icc, false); break; case Long: { - SPARCMove.move(crb, masm, scratch, keyConstants[index]); + SPARCMove.move(crb, masm, scratch, keyConstants[index], DelaySlotHolder.DUMMY); new Cmp(keyRegister, asLongReg(scratch)).emit(masm); - emitCompare(masm, target, condition, CC.Xcc); + emitBranch(masm, target, condition, CC.Xcc, false); break; } case Object: { - SPARCMove.move(crb, masm, scratch, keyConstants[index]); + SPARCMove.move(crb, masm, scratch, keyConstants[index], DelaySlotHolder.DUMMY); new Cmp(keyRegister, asObjectReg(scratch)).emit(masm); - emitCompare(masm, target, condition, CC.Ptrcc); + emitBranch(masm, target, condition, CC.Ptrcc, false); break; } default: @@ -374,157 +454,82 @@ private final Kind kind; @Def({REG, HINT}) protected Value result; - @Alive({REG}) protected Value trueValue; - @Use({REG, STACK, CONST}) protected Value falseValue; + @Use({REG, CONST}) protected Value trueValue; + @Use({REG, CONST}) protected Value falseValue; private final ConditionFlag condition; + private final CC cc; - public CondMoveOp(Kind kind, Variable result, Condition condition, Variable trueValue, Value falseValue) { + public CondMoveOp(Kind kind, Variable result, CC cc, ConditionFlag condition, Value trueValue, Value falseValue) { this.kind = kind; this.result = result; - this.condition = intCond(condition); + this.condition = condition; this.trueValue = trueValue; this.falseValue = falseValue; - } - - @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - // check that we don't overwrite an input operand before it is used. - assert !result.equals(trueValue); - - SPARCMove.move(crb, masm, result, falseValue); - cmove(crb, masm, kind, result, condition, trueValue); - } - } - - @Opcode("CMOVE") - public static class FloatCondMoveOp extends SPARCLIRInstruction { - - private final Kind kind; - - @Def({REG}) protected Value result; - @Alive({REG}) protected Value trueValue; - @Alive({REG}) protected Value falseValue; - - private final ConditionFlag condition; - private final boolean unorderedIsTrue; - - public FloatCondMoveOp(Kind kind, Variable result, Condition condition, boolean unorderedIsTrue, Variable trueValue, Variable falseValue) { - this.kind = kind; - this.result = result; - this.condition = floatCond(condition); - this.unorderedIsTrue = unorderedIsTrue; - this.trueValue = trueValue; - this.falseValue = falseValue; + this.cc = cc; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { // check that we don't overwrite an input operand before it is used. - assert !result.equals(trueValue); - - SPARCMove.move(crb, masm, result, trueValue); - cmove(crb, masm, kind, result, condition, falseValue); - // TODO: This may be omitted, when doing the right check beforehand (There are - // instructions which control the unordered behavior as well) - if (!unorderedIsTrue) { - cmove(crb, masm, kind, result, ConditionFlag.F_Unordered, falseValue); + // assert !result.equals(trueValue); + if (result.equals(trueValue)) { // We have the true value in place, do he opposite + cmove(masm, cc, kind, result, condition.negate(), falseValue); + } else if (result.equals(falseValue)) { + cmove(masm, cc, kind, result, condition, trueValue); + } else { // We have to move one of the input values to the result + ConditionFlag actualCondition = condition; + Value actualTrueValue = trueValue; + Value actualFalseValue = falseValue; + if (isConstant(falseValue) && isSimm11(asConstant(falseValue))) { + actualCondition = condition.negate(); + actualTrueValue = falseValue; + actualFalseValue = trueValue; + } + SPARCMove.move(crb, masm, result, actualFalseValue, DelaySlotHolder.DUMMY); + cmove(masm, cc, kind, result, actualCondition, actualTrueValue); } } } - private static void cmove(CompilationResultBuilder crb, SPARCMacroAssembler masm, Kind kind, Value result, ConditionFlag cond, Value other) { - if (!isRegister(other)) { - SPARCMove.move(crb, masm, result, other); - throw GraalInternalError.shouldNotReachHere("result should be scratch"); - } - assert !asRegister(other).equals(asRegister(result)) : "other already overwritten by previous move"; + private static void cmove(SPARCMacroAssembler masm, CC cc, Kind kind, Value result, ConditionFlag cond, Value other) { switch (kind) { case Int: - new Movcc(cond, CC.Icc, asRegister(other), asRegister(result)).emit(masm); + if (isConstant(other)) { + int constant; + if (asConstant(other).isNull()) { + constant = 0; + } else { + constant = asConstant(other).asInt(); + } + new Movcc(cond, cc, constant, asRegister(result)).emit(masm); + } else { + new Movcc(cond, cc, asRegister(other), asRegister(result)).emit(masm); + } break; case Long: case Object: - new Movcc(cond, CC.Xcc, asRegister(other), asRegister(result)).emit(masm); + if (isConstant(other)) { + long constant; + if (asConstant(other).isNull()) { + constant = 0; + } else { + constant = asConstant(other).asLong(); + } + assert isSimm11(constant); + new Movcc(cond, cc, (int) constant, asRegister(result)).emit(masm); + } else { + new Movcc(cond, cc, asRegister(other), asRegister(result)).emit(masm); + } break; case Float: + new Fmovscc(cond, cc, asFloatReg(other), asFloatReg(result)).emit(masm); + break; case Double: - switch (cond) { - case Equal: - new Fbne(true, 2 * 4).emit(masm); - break; - case Greater: - new Fble(true, 2 * 4).emit(masm); - break; - case GreaterEqual: - new Fbl(true, 2 * 4).emit(masm); - break; - case Less: - new Fbge(true, 2 * 4).emit(masm); - break; - case LessEqual: - new Fbg(true, 2 * 4).emit(masm); - break; - case F_Ordered: - new Fbo(true, 2 * 4).emit(masm); - break; - case F_Unordered: - new Fbu(true, 2 * 4).emit(masm); - break; - default: - GraalInternalError.shouldNotReachHere("Unknown condition code " + cond); - break; - } - SPARCMove.move(crb, masm, result, other); + new Fmovdcc(cond, cc, asDoubleReg(other), asDoubleReg(result)).emit(masm); break; default: throw GraalInternalError.shouldNotReachHere(); } } - - private static ConditionFlag intCond(Condition cond) { - switch (cond) { - case EQ: - return ConditionFlag.Equal; - case NE: - return ConditionFlag.NotEqual; - case BT: - return ConditionFlag.LessUnsigned; - case LT: - return ConditionFlag.Less; - case BE: - return ConditionFlag.LessEqualUnsigned; - case LE: - return ConditionFlag.LessEqual; - case AE: - return ConditionFlag.GreaterEqualUnsigned; - case GE: - return ConditionFlag.GreaterEqual; - case AT: - return ConditionFlag.GreaterUnsigned; - case GT: - return ConditionFlag.Greater; - default: - throw GraalInternalError.shouldNotReachHere("Unimplemented for: " + cond); - } - } - - private static ConditionFlag floatCond(Condition cond) { - switch (cond) { - case EQ: - return ConditionFlag.Equal; - case NE: - return ConditionFlag.NotEqual; - case LT: - return ConditionFlag.Less; - case LE: - return ConditionFlag.LessEqual; - case GE: - return ConditionFlag.GreaterEqual; - case GT: - return ConditionFlag.Greater; - default: - throw GraalInternalError.shouldNotReachHere("Unimplemented for " + cond); - } - } }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCJumpOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.graal.lir.sparc; + +import com.oracle.graal.asm.sparc.SPARCAssembler.Bpa; +import com.oracle.graal.asm.sparc.*; +import com.oracle.graal.asm.sparc.SPARCMacroAssembler.Nop; +import com.oracle.graal.lir.*; +import com.oracle.graal.lir.StandardOp.JumpOp; +import com.oracle.graal.lir.asm.*; + +public class SPARCJumpOp extends JumpOp implements DelaySlotHolder { + private boolean emitDone = false; + + public SPARCJumpOp(LabelRef destination) { + super(destination); + } + + public void emitForDelay(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + assert !emitDone; + if (!crb.isSuccessorEdge(destination())) { + new Bpa(destination().label()).emit(masm); + } + emitDone = true; + } + + @Override + public void emitCode(CompilationResultBuilder crb) { + if (!emitDone) { + SPARCMacroAssembler masm = (SPARCMacroAssembler) crb.asm; + if (!crb.isSuccessorEdge(destination())) { + new Bpa(destination().label()).emit(masm); + new Nop().emit(masm); + } + } + } +}
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMathIntrinsicOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMathIntrinsicOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -31,7 +31,7 @@ import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; -public class SPARCMathIntrinsicOp extends SPARCLIRInstruction { +public class SPARCMathIntrinsicOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { public enum IntrinsicOpcode { SQRT, @@ -46,6 +46,7 @@ @Opcode private final IntrinsicOpcode opcode; @Def protected Value result; @Use protected Value input; + private DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public SPARCMathIntrinsicOp(IntrinsicOpcode opcode, Value result, Value input) { this.opcode = opcode; @@ -56,6 +57,7 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getLIRKind().getPlatformKind(); + delaySlotHolder.emitForDelay(crb, masm); switch (opcode) { case SQRT: switch (inputKind) { @@ -90,4 +92,9 @@ throw GraalInternalError.shouldNotReachHere(); } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; + } + }
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMove.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMove.java Mon Sep 22 09:21:29 2014 -0700 @@ -43,10 +43,11 @@ public class SPARCMove { @Opcode("MOVE_TOREG") - public static class MoveToRegOp extends SPARCLIRInstruction implements MoveOp { + public static class MoveToRegOp extends SPARCLIRInstruction implements MoveOp, TailDelayedLIRInstruction { @Def({REG, HINT}) protected AllocatableValue result; @Use({REG, STACK, CONST}) protected Value input; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public MoveToRegOp(AllocatableValue result, Value input) { this.result = result; @@ -55,7 +56,12 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - move(crb, masm, getResult(), getInput()); + move(crb, masm, getResult(), getInput(), delaySlotLir); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + assert delaySlotLir == DelaySlotHolder.DUMMY : "Should be set only once"; + this.delaySlotLir = holder; } @Override @@ -70,10 +76,11 @@ } @Opcode("MOVE_FROMREG") - public static class MoveFromRegOp extends SPARCLIRInstruction implements MoveOp { + public static class MoveFromRegOp extends SPARCLIRInstruction implements MoveOp, TailDelayedLIRInstruction { @Def({REG, STACK}) protected AllocatableValue result; @Use({REG, CONST, HINT}) protected Value input; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public MoveFromRegOp(AllocatableValue result, Value input) { this.result = result; @@ -82,7 +89,11 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - move(crb, masm, getResult(), getInput()); + move(crb, masm, getResult(), getInput(), delaySlotLir); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; } @Override @@ -100,11 +111,12 @@ * Move between floating-point and general purpose register domain (WITHOUT VIS3) */ @Opcode("MOVE") - public static class MoveFpGp extends SPARCLIRInstruction implements MoveOp { + public static class MoveFpGp extends SPARCLIRInstruction implements MoveOp, TailDelayedLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; @Use({STACK}) protected StackSlot temp; + private DelaySlotHolder delaySlotLir = DelaySlotHolder.DUMMY; public MoveFpGp(AllocatableValue result, AllocatableValue input, StackSlot temp) { super(); @@ -122,6 +134,10 @@ return result; } + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotLir = holder; + } + @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getPlatformKind(); @@ -159,6 +175,7 @@ default: GraalInternalError.shouldNotReachHere(); } + delaySlotLir.emitForDelay(crb, masm); switch (resultKind) { case Long: new Ldx(tempAddress, asLongReg(result)).emit(masm); @@ -193,10 +210,11 @@ * Move between floating-point and general purpose register domain (WITH VIS3) */ @Opcode("MOVE") - public static class MoveFpGpVIS3 extends SPARCLIRInstruction implements MoveOp { + public static class MoveFpGpVIS3 extends SPARCLIRInstruction implements MoveOp, TailDelayedLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({REG}) protected AllocatableValue input; + private DelaySlotHolder delayHolder = DelaySlotHolder.DUMMY; public MoveFpGpVIS3(AllocatableValue result, AllocatableValue input) { super(); @@ -216,6 +234,7 @@ public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { Kind inputKind = (Kind) input.getPlatformKind(); Kind resultKind = (Kind) result.getPlatformKind(); + delayHolder.emitForDelay(crb, masm); if (resultKind == Float) { if (inputKind == Int || inputKind == Short || inputKind == Char || inputKind == Byte) { new Movwtos(asIntReg(input), asFloatReg(result)).emit(masm); @@ -242,6 +261,10 @@ } } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delayHolder = holder; + } } public abstract static class MemOp extends SPARCLIRInstruction implements ImplicitNullCheck { @@ -256,14 +279,11 @@ this.state = state; } - protected abstract void emitMemAccess(SPARCMacroAssembler masm); + protected abstract void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm); @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - if (state != null) { - crb.recordImplicitException(masm.position(), state); - } - emitMemAccess(masm); + emitMemAccess(crb, masm); } public boolean makeNullCheckFor(Value value, LIRFrameState nullCheckState, int implicitNullCheckLimit) { @@ -275,9 +295,10 @@ } } - public static class LoadOp extends MemOp { + public static class LoadOp extends MemOp implements TailDelayedLIRInstruction { @Def({REG}) protected AllocatableValue result; + DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public LoadOp(Kind kind, AllocatableValue result, SPARCAddressValue address, LIRFrameState state) { super(kind, address, state); @@ -285,11 +306,15 @@ } @Override - public void emitMemAccess(SPARCMacroAssembler masm) { + public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); final SPARCAddress addr = generateSimm13OffsetLoad(address.toAddress(), masm, scratch); final Register dst = asRegister(result); + delaySlotHolder.emitForDelay(crb, masm); + if (state != null) { + crb.recordImplicitException(masm.position(), state); + } switch (kind) { case Boolean: case Byte: @@ -321,12 +346,17 @@ } } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; + } } - public static class LoadAddressOp extends SPARCLIRInstruction { + public static class LoadAddressOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({COMPOSITE, UNINITIALIZED}) protected SPARCAddressValue addressValue; + private DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public LoadAddressOp(AllocatableValue result, SPARCAddressValue address) { this.result = result; @@ -336,7 +366,11 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCAddress address = addressValue.toAddress(); - loadEffectiveAddress(address, asLongReg(result), masm); + loadEffectiveAddress(crb, masm, address, asLongReg(result), delaySlotHolder); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; } } @@ -375,10 +409,11 @@ } } - public static class NullCheckOp extends SPARCLIRInstruction implements NullCheck { + public static class NullCheckOp extends SPARCLIRInstruction implements NullCheck, TailDelayedLIRInstruction { @Use({REG}) protected AllocatableValue input; @State protected LIRFrameState state; + private DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public NullCheckOp(Variable input, LIRFrameState state) { this.input = input; @@ -387,6 +422,7 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + delaySlotHolder.emitForDelay(crb, masm); crb.recordImplicitException(masm.position(), state); new Ldx(new SPARCAddress(asRegister(input), 0), r0).emit(masm); } @@ -398,6 +434,10 @@ public LIRFrameState getState() { return state; } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; + } } @Opcode("CAS") @@ -420,10 +460,11 @@ } } - public static class StackLoadAddressOp extends SPARCLIRInstruction { + public static class StackLoadAddressOp extends SPARCLIRInstruction implements TailDelayedLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({STACK, UNINITIALIZED}) protected StackSlot slot; + private DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public StackLoadAddressOp(AllocatableValue result, StackSlot slot) { this.result = result; @@ -433,27 +474,36 @@ @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCAddress address = (SPARCAddress) crb.asAddress(slot); - loadEffectiveAddress(address, asLongReg(result), masm); + loadEffectiveAddress(crb, masm, address, asLongReg(result), delaySlotHolder); + } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; } } - private static void loadEffectiveAddress(SPARCAddress address, Register result, SPARCMacroAssembler masm) { + private static void loadEffectiveAddress(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCAddress address, Register result, DelaySlotHolder delaySlotHolder) { if (address.getIndex().equals(Register.None)) { if (isSimm13(address.getDisplacement())) { + delaySlotHolder.emitForDelay(crb, masm); new Add(address.getBase(), address.getDisplacement(), result).emit(masm); } else { assert result.encoding() != address.getBase().encoding(); new Setx(address.getDisplacement(), result).emit(masm); + // No relocation, therefore, the add can be delayed as well + delaySlotHolder.emitForDelay(crb, masm); new Add(address.getBase(), result, result).emit(masm); } } else { + delaySlotHolder.emitForDelay(crb, masm); new Add(address.getBase(), address.getIndex(), result).emit(masm); } } - public static class StoreOp extends MemOp { + public static class StoreOp extends MemOp implements TailDelayedLIRInstruction { @Use({REG}) protected AllocatableValue input; + DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public StoreOp(Kind kind, SPARCAddressValue address, AllocatableValue input, LIRFrameState state) { super(kind, address, state); @@ -461,11 +511,15 @@ } @Override - public void emitMemAccess(SPARCMacroAssembler masm) { + public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { assert isRegister(input); try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); SPARCAddress addr = generateSimm13OffsetLoad(address.toAddress(), masm, scratch); + delaySlotHolder.emitForDelay(crb, masm); + if (state != null) { + crb.recordImplicitException(masm.position(), state); + } switch (kind) { case Boolean: case Byte: @@ -495,11 +549,16 @@ } } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; + } } - public static class StoreConstantOp extends MemOp { + public static class StoreConstantOp extends MemOp implements TailDelayedLIRInstruction { protected final Constant input; + DelaySlotHolder delaySlotHolder = DelaySlotHolder.DUMMY; public StoreConstantOp(Kind kind, SPARCAddressValue address, Constant input, LIRFrameState state) { super(kind, address, state); @@ -510,10 +569,14 @@ } @Override - public void emitMemAccess(SPARCMacroAssembler masm) { + public void emitMemAccess(CompilationResultBuilder crb, SPARCMacroAssembler masm) { try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); SPARCAddress addr = generateSimm13OffsetLoad(address.toAddress(), masm, scratch); + delaySlotHolder.emitForDelay(crb, masm); + if (state != null) { + crb.recordImplicitException(masm.position(), state); + } switch (kind) { case Boolean: case Byte: @@ -538,30 +601,34 @@ } } } + + public void setDelaySlotHolder(DelaySlotHolder holder) { + this.delaySlotHolder = holder; + } } - public static void move(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input) { + public static void move(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, DelaySlotHolder delaySlotLir) { if (isRegister(input)) { if (isRegister(result)) { - reg2reg(masm, result, input); + reg2reg(crb, masm, result, input, delaySlotLir); } else if (isStackSlot(result)) { - reg2stack(crb, masm, result, input); + reg2stack(crb, masm, result, input, delaySlotLir); } else { throw GraalInternalError.shouldNotReachHere(); } } else if (isStackSlot(input)) { if (isRegister(result)) { - stack2reg(crb, masm, result, input); + stack2reg(crb, masm, result, input, delaySlotLir); } else { throw GraalInternalError.shouldNotReachHere(); } } else if (isConstant(input)) { Constant constant = asConstant(input); if (isRegister(result)) { - const2reg(crb, masm, result, constant); + const2reg(crb, masm, result, constant, delaySlotLir); } else if (isStackSlot(result)) { if (constant.isDefaultForKind() || constant.isNull()) { - reg2stack(crb, masm, result, g0.asValue(LIRKind.derive(input))); + reg2stack(crb, masm, result, g0.asValue(LIRKind.derive(input)), delaySlotLir); } else { try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); @@ -571,7 +638,7 @@ } else { new Setx(value, scratch).emit(masm); } - reg2stack(crb, masm, result, scratch.asValue(LIRKind.derive(input))); + reg2stack(crb, masm, result, scratch.asValue(LIRKind.derive(input)), delaySlotLir); } } } else { @@ -582,7 +649,7 @@ } } - private static void reg2reg(SPARCAssembler masm, Value result, Value input) { + private static void reg2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, DelaySlotHolder delaySlotLir) { final Register src = asRegister(input); final Register dst = asRegister(result); if (src.equals(dst)) { @@ -596,6 +663,7 @@ case Int: case Long: case Object: + delaySlotLir.emitForDelay(crb, masm); new Mov(src, dst).emit(masm); break; case Float: @@ -637,12 +705,13 @@ } } - private static void reg2stack(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input) { + private static void reg2stack(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, DelaySlotHolder delaySlotLir) { SPARCAddress dst = (SPARCAddress) crb.asAddress(result); try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); dst = generateSimm13OffsetLoad(dst, masm, scratch); Register src = asRegister(input); + delaySlotLir.emitForDelay(crb, masm); switch (input.getKind()) { case Byte: case Boolean: @@ -671,12 +740,13 @@ } } - private static void stack2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input) { + private static void stack2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Value input, DelaySlotHolder delaySlotLir) { SPARCAddress src = (SPARCAddress) crb.asAddress(input); try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); src = generateSimm13OffsetLoad(src, masm, scratch); Register dst = asRegister(result); + delaySlotLir.emitForDelay(crb, masm); switch (input.getKind()) { case Boolean: case Byte: @@ -707,33 +777,44 @@ } } - private static void const2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Constant input) { + private static void const2reg(CompilationResultBuilder crb, SPARCMacroAssembler masm, Value result, Constant input, DelaySlotHolder delaySlotLir) { try (SPARCScratchRegister sc = SPARCScratchRegister.get()) { Register scratch = sc.getRegister(); boolean hasVIS3 = ((SPARC) masm.target.arch).getFeatures().contains(CPUFeature.VIS3); switch (input.getKind().getStackKind()) { case Int: if (input.isDefaultForKind()) { + delaySlotLir.emitForDelay(crb, masm); new Clr(asIntReg(result)).emit(masm); } else if (isSimm13(input.asLong())) { + delaySlotLir.emitForDelay(crb, masm); new Or(g0, input.asInt(), asIntReg(result)).emit(masm); } else { - new Setx(input.asLong(), asIntReg(result)).emit(masm); + Setx set = new Setx(input.asLong(), asIntReg(result), false, true); + set.emitFirstPartOfDelayed(masm); + delaySlotLir.emitForDelay(crb, masm); + set.emitSecondPartOfDelayed(masm); } break; case Long: if (input.isDefaultForKind()) { + delaySlotLir.emitForDelay(crb, masm); new Clr(asLongReg(result)).emit(masm); } else if (isSimm13(input.asLong())) { + delaySlotLir.emitForDelay(crb, masm); new Or(g0, (int) input.asLong(), asLongReg(result)).emit(masm); } else { - new Setx(input.asLong(), asLongReg(result)).emit(masm); + Setx setx = new Setx(input.asLong(), asLongReg(result), false, true); + setx.emitFirstPartOfDelayed(masm); + delaySlotLir.emitForDelay(crb, masm); + setx.emitSecondPartOfDelayed(masm); } break; case Float: { float constant = input.asFloat(); int constantBits = java.lang.Float.floatToIntBits(constant); if (constantBits == 0) { + delaySlotLir.emitForDelay(crb, masm); new Fzeros(asFloatReg(result)).emit(masm); } else { if (hasVIS3) { @@ -742,6 +823,7 @@ } else { new Setx(constantBits, scratch, false).emit(masm); } + delaySlotLir.emitForDelay(crb, masm); // Now load the float value new Movwtos(scratch, asFloatReg(result)).emit(masm); } else { @@ -749,6 +831,7 @@ // First load the address into the scratch register new Setx(0, scratch, true).emit(masm); // Now load the float value + delaySlotLir.emitForDelay(crb, masm); new Ldf(scratch, asFloatReg(result)).emit(masm); } } @@ -758,6 +841,7 @@ double constant = input.asDouble(); long constantBits = java.lang.Double.doubleToLongBits(constant); if (constantBits == 0) { + delaySlotLir.emitForDelay(crb, masm); new Fzerod(asDoubleReg(result)).emit(masm); } else { if (hasVIS3) { @@ -766,12 +850,14 @@ } else { new Setx(constantBits, scratch, false).emit(masm); } + delaySlotLir.emitForDelay(crb, masm); // Now load the float value new Movxtod(scratch, asDoubleReg(result)).emit(masm); } else { crb.asDoubleConstRef(input); // First load the address into the scratch register new Setx(0, scratch, true).emit(masm); + delaySlotLir.emitForDelay(crb, masm); // Now load the float value new Lddf(scratch, asDoubleReg(result)).emit(masm); } @@ -780,16 +866,13 @@ } case Object: if (input.isNull()) { + delaySlotLir.emitForDelay(crb, masm); new Clr(asRegister(result)).emit(masm); } else if (crb.target.inlineObjects) { - crb.recordInlineDataInCode(input); + crb.recordInlineDataInCode(input); // relocatable cannot be delayed new Setx(0xDEADDEADDEADDEADL, asRegister(result), true).emit(masm); } else { - Register dst = asRegister(result); - new Rdpc(dst).emit(masm); - crb.asObjectConstRef(input); - new Ldx(new SPARCAddress(dst, 0), dst).emit(masm); - throw GraalInternalError.shouldNotReachHere("the patched offset might be too big for the load"); + throw GraalInternalError.unimplemented(); } break; default:
--- a/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCSaveRegistersOp.java Fri Sep 19 09:53:13 2014 -0700 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCSaveRegistersOp.java Mon Sep 22 09:21:29 2014 -0700 @@ -70,7 +70,7 @@ private static void saveRegister(CompilationResultBuilder crb, SPARCMacroAssembler masm, StackSlot result, Register register) { RegisterValue input = register.asValue(result.getLIRKind()); - SPARCMove.move(crb, masm, result, input); + SPARCMove.move(crb, masm, result, input, DelaySlotHolder.DUMMY); } @Override
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/TailDelayedLIRInstruction.java Mon Sep 22 09:21:29 2014 -0700 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.graal.lir.sparc; + +import com.oracle.graal.lir.*; + +/** + * Implementors of this interface are able to place the last instruction to the delay slot of the + * given {@link DelaySlotHolder}. + * + * This LIR instruction is still emitted in the usual way. But when emitting code for this LIR + * instruction before the last instruction, it can transfer control over to the delay slot holder + * LIR instruction, which then can emit code in order to get to the delay slot. + * + * Steps for emit delayed code + * <ol> + * <li>If this instruction contains more than one instruction, emit everything up to the second last + * instruction.</li> + * <li>Then call the + * {@link DelaySlotHolder#emitForDelay(com.oracle.graal.lir.asm.CompilationResultBuilder, com.oracle.graal.asm.sparc.SPARCMacroAssembler)} + * to let the delay-slot holder emit its code.</li> + * <li>emit the last instruction for this {@link LIRInstruction}</li> + * </ol> + * + * Note: If this instruction decides not to use the delay slot, it can skip the call of + * {@link DelaySlotHolder#emitForDelay(com.oracle.graal.lir.asm.CompilationResultBuilder, com.oracle.graal.asm.sparc.SPARCMacroAssembler)} + * and the code generation will continue without using the delay slot. Nothing other steps are + * required. + */ +public interface TailDelayedLIRInstruction { + public void setDelaySlotHolder(DelaySlotHolder holder); +}