forked from OSchip/llvm-project
[SparcV9] Use separate instruction patterns for 64 bit arithmetic instructions instead of reusing 32 bit instruction patterns.
This is done to avoid spilling the result of the 64-bit instructions to a 4-byte slot. llvm-svn: 198157
This commit is contained in:
parent
49da758cbf
commit
3e3a29a2e9
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@ -227,7 +227,7 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
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if (MI->getOpcode() == SP::CALL)
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assert(TF == SPII::MO_NO_FLAG &&
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"Cannot handle target flags on call address");
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else if (MI->getOpcode() == SP::SETHIi)
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else if (MI->getOpcode() == SP::SETHIi || MI->getOpcode() == SP::SETHIXi)
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assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH
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|| TF == SPII::MO_TLS_GD_HI22
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|| TF == SPII::MO_TLS_LDM_HI22
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@ -250,7 +250,7 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
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else if (MI->getOpcode() == SP::TLS_LDXrr)
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assert(TF == SPII::MO_TLS_IE_LDX &&
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"Cannot handle target flags on ldx for TLS");
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else if (MI->getOpcode() == SP::XORri)
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else if (MI->getOpcode() == SP::XORri || MI->getOpcode() == SP::XORXri)
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assert((TF == SPII::MO_TLS_LDO_LOX10 || TF == SPII::MO_TLS_LE_LOX10) &&
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"Cannot handle target flags on xor for TLS");
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else
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@ -141,32 +141,36 @@ def : Pat<(i64 imm:$val),
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let Predicates = [Is64Bit] in {
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// Register-register instructions.
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defm ANDX : F3_12<"and", 0b000001, and, I64Regs, i64, i64imm>;
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defm ORX : F3_12<"or", 0b000010, or, I64Regs, i64, i64imm>;
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defm XORX : F3_12<"xor", 0b000011, xor, I64Regs, i64, i64imm>;
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def : Pat<(and i64:$a, i64:$b), (ANDrr $a, $b)>;
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def : Pat<(or i64:$a, i64:$b), (ORrr $a, $b)>;
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def : Pat<(xor i64:$a, i64:$b), (XORrr $a, $b)>;
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def ANDXNrr : F3_1<2, 0b000101,
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(outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c),
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"andn $b, $c, $dst",
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[(set i64:$dst, (and i64:$b, (not i64:$c)))]>;
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def ORXNrr : F3_1<2, 0b000110,
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(outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c),
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"orn $b, $c, $dst",
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[(set i64:$dst, (or i64:$b, (not i64:$c)))]>;
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def XNORXrr : F3_1<2, 0b000111,
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(outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c),
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"xnor $b, $c, $dst",
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[(set i64:$dst, (not (xor i64:$b, i64:$c)))]>;
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def : Pat<(and i64:$a, (not i64:$b)), (ANDNrr $a, $b)>;
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def : Pat<(or i64:$a, (not i64:$b)), (ORNrr $a, $b)>;
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def : Pat<(xor i64:$a, (not i64:$b)), (XNORrr $a, $b)>;
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def : Pat<(add i64:$a, i64:$b), (ADDrr $a, $b)>;
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def : Pat<(sub i64:$a, i64:$b), (SUBrr $a, $b)>;
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defm ADDX : F3_12<"add", 0b000000, add, I64Regs, i64, i64imm>;
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defm SUBX : F3_12<"sub", 0b000100, sub, I64Regs, i64, i64imm>;
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def : Pat<(SPcmpicc i64:$a, i64:$b), (CMPrr $a, $b)>;
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def : Pat<(tlsadd i64:$a, i64:$b, tglobaltlsaddr:$sym),
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(TLS_ADDrr $a, $b, $sym)>;
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def TLS_ADDXrr : F3_1<2, 0b000000, (outs I64Regs:$rd),
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(ins I64Regs:$rs1, I64Regs:$rs2, TLSSym:$sym),
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"add $rs1, $rs2, $rd, $sym",
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[(set i64:$rd,
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(tlsadd i64:$rs1, i64:$rs2, tglobaltlsaddr:$sym))]>;
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// Register-immediate instructions.
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def : Pat<(and i64:$a, (i64 simm13:$b)), (ANDri $a, (as_i32imm $b))>;
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def : Pat<(or i64:$a, (i64 simm13:$b)), (ORri $a, (as_i32imm $b))>;
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def : Pat<(xor i64:$a, (i64 simm13:$b)), (XORri $a, (as_i32imm $b))>;
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def : Pat<(add i64:$a, (i64 simm13:$b)), (ADDri $a, (as_i32imm $b))>;
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def : Pat<(sub i64:$a, (i64 simm13:$b)), (SUBri $a, (as_i32imm $b))>;
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def : Pat<(SPcmpicc i64:$a, (i64 simm13:$b)), (CMPri $a, (as_i32imm $b))>;
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def : Pat<(ctpop i64:$src), (POPCrr $src)>;
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@ -402,3 +406,38 @@ def : Pat<(SPselectfcc (i64 simm11:$t), i64:$f, imm:$cond),
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(MOVFCCri (as_i32imm $t), $f, imm:$cond)>;
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} // Predicates = [Is64Bit]
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// 64 bit SETHI
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let Predicates = [Is64Bit] in {
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def SETHIXi : F2_1<0b100,
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(outs IntRegs:$rd), (ins i64imm:$imm22),
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"sethi $imm22, $rd",
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[(set i64:$rd, SETHIimm:$imm22)]>;
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}
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// Global addresses, constant pool entries
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let Predicates = [Is64Bit] in {
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def : Pat<(SPhi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
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def : Pat<(SPlo tglobaladdr:$in), (ORXri (i64 G0), tglobaladdr:$in)>;
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def : Pat<(SPhi tconstpool:$in), (SETHIi tconstpool:$in)>;
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def : Pat<(SPlo tconstpool:$in), (ORXri (i64 G0), tconstpool:$in)>;
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// GlobalTLS addresses
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def : Pat<(SPhi tglobaltlsaddr:$in), (SETHIi tglobaltlsaddr:$in)>;
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def : Pat<(SPlo tglobaltlsaddr:$in), (ORXri (i64 G0), tglobaltlsaddr:$in)>;
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def : Pat<(add (SPhi tglobaltlsaddr:$in1), (SPlo tglobaltlsaddr:$in2)),
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(ADDXri (SETHIXi tglobaltlsaddr:$in1), (tglobaltlsaddr:$in2))>;
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def : Pat<(xor (SPhi tglobaltlsaddr:$in1), (SPlo tglobaltlsaddr:$in2)),
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(XORXri (SETHIXi tglobaltlsaddr:$in1), (tglobaltlsaddr:$in2))>;
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// Blockaddress
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def : Pat<(SPhi tblockaddress:$in), (SETHIi tblockaddress:$in)>;
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def : Pat<(SPlo tblockaddress:$in), (ORXri (i64 G0), tblockaddress:$in)>;
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// Add reg, lo. This is used when taking the addr of a global/constpool entry.
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def : Pat<(add iPTR:$r, (SPlo tglobaladdr:$in)), (ADDXri $r, tglobaladdr:$in)>;
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def : Pat<(add iPTR:$r, (SPlo tconstpool:$in)), (ADDXri $r, tconstpool:$in)>;
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def : Pat<(add iPTR:$r, (SPlo tblockaddress:$in)),
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(ADDXri $r, tblockaddress:$in)>;
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}
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@ -210,15 +210,16 @@ def FCC_O : FCC_VAL<29>; // Ordered
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//===----------------------------------------------------------------------===//
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/// F3_12 multiclass - Define a normal F3_1/F3_2 pattern in one shot.
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multiclass F3_12<string OpcStr, bits<6> Op3Val, SDNode OpNode> {
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multiclass F3_12<string OpcStr, bits<6> Op3Val, SDNode OpNode,
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RegisterClass RC, ValueType Ty, Operand immOp> {
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def rr : F3_1<2, Op3Val,
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(outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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(outs RC:$dst), (ins RC:$b, RC:$c),
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!strconcat(OpcStr, " $b, $c, $dst"),
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[(set i32:$dst, (OpNode i32:$b, i32:$c))]>;
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[(set Ty:$dst, (OpNode Ty:$b, Ty:$c))]>;
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def ri : F3_2<2, Op3Val,
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(outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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(outs RC:$dst), (ins RC:$b, immOp:$c),
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!strconcat(OpcStr, " $b, $c, $dst"),
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[(set i32:$dst, (OpNode i32:$b, (i32 simm13:$c)))]>;
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[(set Ty:$dst, (OpNode Ty:$b, (Ty simm13:$c)))]>;
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}
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/// F3_12np multiclass - Define a normal F3_1/F3_2 pattern in one shot, with no
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@ -464,7 +465,7 @@ let rd = 0, imm22 = 0 in
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def NOP : F2_1<0b100, (outs), (ins), "nop", []>;
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// Section B.11 - Logical Instructions, p. 106
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defm AND : F3_12<"and", 0b000001, and>;
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defm AND : F3_12<"and", 0b000001, and, IntRegs, i32, i32imm>;
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def ANDNrr : F3_1<2, 0b000101,
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(outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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@ -474,7 +475,7 @@ def ANDNri : F3_2<2, 0b000101,
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(outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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"andn $b, $c, $dst", []>;
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defm OR : F3_12<"or", 0b000010, or>;
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defm OR : F3_12<"or", 0b000010, or, IntRegs, i32, i32imm>;
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def ORNrr : F3_1<2, 0b000110,
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(outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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@ -483,7 +484,7 @@ def ORNrr : F3_1<2, 0b000110,
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def ORNri : F3_2<2, 0b000110,
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(outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
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"orn $b, $c, $dst", []>;
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defm XOR : F3_12<"xor", 0b000011, xor>;
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defm XOR : F3_12<"xor", 0b000011, xor, IntRegs, i32, i32imm>;
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def XNORrr : F3_1<2, 0b000111,
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(outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
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@ -494,12 +495,12 @@ def XNORri : F3_2<2, 0b000111,
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"xnor $b, $c, $dst", []>;
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// Section B.12 - Shift Instructions, p. 107
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defm SLL : F3_12<"sll", 0b100101, shl>;
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defm SRL : F3_12<"srl", 0b100110, srl>;
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defm SRA : F3_12<"sra", 0b100111, sra>;
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defm SLL : F3_12<"sll", 0b100101, shl, IntRegs, i32, i32imm>;
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defm SRL : F3_12<"srl", 0b100110, srl, IntRegs, i32, i32imm>;
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defm SRA : F3_12<"sra", 0b100111, sra, IntRegs, i32, i32imm>;
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// Section B.13 - Add Instructions, p. 108
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defm ADD : F3_12<"add", 0b000000, add>;
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defm ADD : F3_12<"add", 0b000000, add, IntRegs, i32, i32imm>;
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// "LEA" forms of add (patterns to make tblgen happy)
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let Predicates = [Is32Bit] in
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[(set iPTR:$dst, ADDRri:$addr)]>;
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let Defs = [ICC] in
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defm ADDCC : F3_12<"addcc", 0b010000, addc>;
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defm ADDCC : F3_12<"addcc", 0b010000, addc, IntRegs, i32, i32imm>;
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let Uses = [ICC], Defs = [ICC] in
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defm ADDX : F3_12<"addxcc", 0b011000, adde>;
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defm ADDE : F3_12<"addxcc", 0b011000, adde, IntRegs, i32, i32imm>;
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// Section B.15 - Subtract Instructions, p. 110
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defm SUB : F3_12 <"sub" , 0b000100, sub>;
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defm SUB : F3_12 <"sub" , 0b000100, sub, IntRegs, i32, i32imm>;
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let Uses = [ICC], Defs = [ICC] in
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defm SUBX : F3_12 <"subxcc" , 0b011100, sube>;
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defm SUBE : F3_12 <"subxcc" , 0b011100, sube, IntRegs, i32, i32imm>;
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let Defs = [ICC] in
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defm SUBCC : F3_12 <"subcc", 0b010100, subc>;
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defm SUBCC : F3_12 <"subcc", 0b010100, subc, IntRegs, i32, i32imm>;
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let Defs = [ICC], rd = 0 in {
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def CMPrr : F3_1<2, 0b010100,
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// Section B.18 - Multiply Instructions, p. 113
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let Defs = [Y] in {
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defm UMUL : F3_12np<"umul", 0b001010>;
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defm SMUL : F3_12 <"smul", 0b001011, mul>;
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defm SMUL : F3_12 <"smul", 0b001011, mul, IntRegs, i32, i32imm>;
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}
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// Section B.19 - Divide Instructions, p. 115
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@ -987,6 +988,8 @@ def : Pat<(i32 imm:$val),
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// Global addresses, constant pool entries
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let Predicates = [Is32Bit] in {
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def : Pat<(SPhi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
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def : Pat<(SPlo tglobaladdr:$in), (ORri (i32 G0), tglobaladdr:$in)>;
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def : Pat<(SPhi tconstpool:$in), (SETHIi tconstpool:$in)>;
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@ -1009,6 +1012,7 @@ def : Pat<(add iPTR:$r, (SPlo tglobaladdr:$in)), (ADDri $r, tglobaladdr:$in)>;
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def : Pat<(add iPTR:$r, (SPlo tconstpool:$in)), (ADDri $r, tconstpool:$in)>;
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def : Pat<(add iPTR:$r, (SPlo tblockaddress:$in)),
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(ADDri $r, tblockaddress:$in)>;
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}
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// Calls:
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def : Pat<(call tglobaladdr:$dst),
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@ -0,0 +1,116 @@
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; RUN: llc < %s -march=sparcv9 | FileCheck %s
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target datalayout = "E-i64:64-n32:64-S128"
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target triple = "sparc64-sun-sparc"
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; CHECK-LABEL: test_and_spill
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; CHECK: and %i0, %i1, [[R:%[gilo][0-7]]]
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; CHECK: stx [[R]], [%fp+{{.+}}]
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; CHECK: ldx [%fp+{{.+}}, %i0
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define i64 @test_and_spill(i64 %a, i64 %b) {
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entry:
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%r0 = and i64 %a, %b
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%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
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ret i64 %r0
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}
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; CHECK-LABEL: test_or_spill
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; CHECK: or %i0, %i1, [[R:%[gilo][0-7]]]
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; CHECK: stx [[R]], [%fp+{{.+}}]
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; CHECK: ldx [%fp+{{.+}}, %i0
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define i64 @test_or_spill(i64 %a, i64 %b) {
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entry:
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%r0 = or i64 %a, %b
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%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
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ret i64 %r0
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}
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; CHECK-LABEL: test_xor_spill
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; CHECK: xor %i0, %i1, [[R:%[gilo][0-7]]]
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; CHECK: stx [[R]], [%fp+{{.+}}]
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; CHECK: ldx [%fp+{{.+}}, %i0
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define i64 @test_xor_spill(i64 %a, i64 %b) {
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entry:
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%r0 = xor i64 %a, %b
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%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
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ret i64 %r0
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}
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; CHECK-LABEL: test_add_spill
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; CHECK: add %i0, %i1, [[R:%[gilo][0-7]]]
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; CHECK: stx [[R]], [%fp+{{.+}}]
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; CHECK: ldx [%fp+{{.+}}, %i0
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define i64 @test_add_spill(i64 %a, i64 %b) {
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entry:
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%r0 = add i64 %a, %b
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%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
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ret i64 %r0
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}
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; CHECK-LABEL: test_sub_spill
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; CHECK: sub %i0, %i1, [[R:%[gilo][0-7]]]
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; CHECK: stx [[R]], [%fp+{{.+}}]
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; CHECK: ldx [%fp+{{.+}}, %i0
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define i64 @test_sub_spill(i64 %a, i64 %b) {
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entry:
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%r0 = sub i64 %a, %b
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%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
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ret i64 %r0
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}
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; CHECK-LABEL: test_andi_spill
|
||||
; CHECK: and %i0, 1729, [[R:%[gilo][0-7]]]
|
||||
; CHECK: stx [[R]], [%fp+{{.+}}]
|
||||
; CHECK: ldx [%fp+{{.+}}, %i0
|
||||
define i64 @test_andi_spill(i64 %a) {
|
||||
entry:
|
||||
%r0 = and i64 %a, 1729
|
||||
%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
|
||||
ret i64 %r0
|
||||
}
|
||||
|
||||
; CHECK-LABEL: test_ori_spill
|
||||
; CHECK: or %i0, 1729, [[R:%[gilo][0-7]]]
|
||||
; CHECK: stx [[R]], [%fp+{{.+}}]
|
||||
; CHECK: ldx [%fp+{{.+}}, %i0
|
||||
define i64 @test_ori_spill(i64 %a) {
|
||||
entry:
|
||||
%r0 = or i64 %a, 1729
|
||||
%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
|
||||
ret i64 %r0
|
||||
}
|
||||
|
||||
; CHECK-LABEL: test_xori_spill
|
||||
; CHECK: xor %i0, 1729, [[R:%[gilo][0-7]]]
|
||||
; CHECK: stx [[R]], [%fp+{{.+}}]
|
||||
; CHECK: ldx [%fp+{{.+}}, %i0
|
||||
define i64 @test_xori_spill(i64 %a) {
|
||||
entry:
|
||||
%r0 = xor i64 %a, 1729
|
||||
%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
|
||||
ret i64 %r0
|
||||
}
|
||||
|
||||
; CHECK-LABEL: test_addi_spill
|
||||
; CHECK: add %i0, 1729, [[R:%[gilo][0-7]]]
|
||||
; CHECK: stx [[R]], [%fp+{{.+}}]
|
||||
; CHECK: ldx [%fp+{{.+}}, %i0
|
||||
define i64 @test_addi_spill(i64 %a) {
|
||||
entry:
|
||||
%r0 = add i64 %a, 1729
|
||||
%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
|
||||
ret i64 %r0
|
||||
}
|
||||
|
||||
; CHECK-LABEL: test_subi_spill
|
||||
; CHECK: add %i0, -1729, [[R:%[gilo][0-7]]]
|
||||
; CHECK: stx [[R]], [%fp+{{.+}}]
|
||||
; CHECK: ldx [%fp+{{.+}}, %i0
|
||||
define i64 @test_subi_spill(i64 %a) {
|
||||
entry:
|
||||
%r0 = sub i64 %a, 1729
|
||||
%0 = tail call i64 asm sideeffect "#$0 $1", "=r,r,~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{i6},~{i7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o6}"(i64 %r0)
|
||||
ret i64 %r0
|
||||
}
|
||||
|
Loading…
Reference in New Issue