def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
"mul{l}\t$src",
[]>; // EAX,EDX = EAX*[mem32]
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
def MUL64m : RI<0xF7, MRM4m, (outs), (ins i64mem:$src),
"mul{q}\t$src", []>; // RAX,RDX = RAX*[mem64]
}
let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
// EAX,EDX = EAX*GR32
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
def IMUL64r : RI<0xF7, MRM5r, (outs), (ins GR64:$src), "imul{q}\t$src", []>;
// RAX,RDX = RAX*GR64
let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
"imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
def IMUL64m : RI<0xF7, MRM5m, (outs), (ins i64mem:$src),
"imul{q}\t$src", []>; // RAX,RDX = RAX*[mem64]
}
} // Defs = [EFLAGS]
-// Suprisingly enough, these are not two address instructions!
+// Surprisingly enough, these are not two address instructions!
let Defs = [EFLAGS] in {
// Register-Integer Signed Integer Multiply
def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
def IDIV64r: RI<0xF7, MRM7r, (outs), (ins GR64:$src),
"idiv{q}\t$src", []>;
-
-let mayLoad = 1, mayLoad = 1 in {
+
+let mayLoad = 1 in {
let Defs = [AL,EFLAGS,AX], Uses = [AX] in
def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
"idiv{b}\t$src", []>;
let isCodeGenOnly = 1;
}
+// BinOpRR_F_Rev - Instructions like "cmp reg, reg" (reversed encoding).
+class BinOpRR_F_Rev<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo>
+ : ITy<opcode, MRMSrcReg, typeinfo, (outs),
+ (ins typeinfo.RegClass:$src1, typeinfo.RegClass:$src2),
+ mnemonic, "{$src2, $src1|$src1, $src2}", []> {
+ // The disassembler should know about this, but not the asmparser.
+ let isCodeGenOnly = 1;
+}
+
// BinOpRM - Instructions like "add reg, reg, [mem]".
class BinOpRM<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
dag outlist, list<dag> pattern>
// BinOpAI - Instructions like "add %eax, %eax, imm".
class BinOpAI<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
- Register areg>
+ Register areg, string operands>
: ITy<opcode, RawFrm, typeinfo,
(outs), (ins typeinfo.ImmOperand:$src),
- mnemonic, !strconcat("{$src, %", areg.AsmName, "|%",
- areg.AsmName, ", $src}"), []> {
+ mnemonic, operands, []> {
let ImmT = typeinfo.ImmEncoding;
let Uses = [areg];
let Defs = [areg];
def #NAME#32mi : BinOpMI_RMW<mnemonic, Xi32, opnode, MemMRM>;
def #NAME#64mi32 : BinOpMI_RMW<mnemonic, Xi64, opnode, MemMRM>;
- def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL>;
- def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX>;
- def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX>;
- def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX>;
+ def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
+ "{$src, %al|AL, $src}">;
+ def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
+ "{$src, %ax|AX, $src}">;
+ def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
+ "{$src, %eax|EAX, $src}">;
+ def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
+ "{$src, %rax|RAX, $src}">;
}
}
def #NAME#32mi : BinOpMI_RMW_FF<mnemonic, Xi32, opnode, MemMRM>;
def #NAME#64mi32 : BinOpMI_RMW_FF<mnemonic, Xi64, opnode, MemMRM>;
- def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL>;
- def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX>;
- def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX>;
- def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX>;
+ def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
+ "{$src, %al|AL, $src}">;
+ def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
+ "{$src, %ax|AX, $src}">;
+ def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
+ "{$src, %eax|EAX, $src}">;
+ def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
+ "{$src, %rax|RAX, $src}">;
}
}
def #NAME#64rr : BinOpRR_F<BaseOpc, mnemonic, Xi64, opnode>;
} // isCommutable
- def #NAME#8rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi8>;
- def #NAME#16rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi16>;
- def #NAME#32rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi32>;
- def #NAME#64rr_REV : BinOpRR_Rev<BaseOpc2, mnemonic, Xi64>;
+ def #NAME#8rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi8>;
+ def #NAME#16rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi16>;
+ def #NAME#32rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi32>;
+ def #NAME#64rr_REV : BinOpRR_F_Rev<BaseOpc2, mnemonic, Xi64>;
def #NAME#8rm : BinOpRM_F<BaseOpc2, mnemonic, Xi8 , opnode>;
def #NAME#16rm : BinOpRM_F<BaseOpc2, mnemonic, Xi16, opnode>;
def #NAME#32mi : BinOpMI_F<mnemonic, Xi32, opnode, MemMRM>;
def #NAME#64mi32 : BinOpMI_F<mnemonic, Xi64, opnode, MemMRM>;
- def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL>;
- def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX>;
- def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX>;
- def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX>;
+ def #NAME#8i8 : BinOpAI<BaseOpc4, mnemonic, Xi8 , AL,
+ "{$src, %al|AL, $src}">;
+ def #NAME#16i16 : BinOpAI<BaseOpc4, mnemonic, Xi16, AX,
+ "{$src, %ax|AX, $src}">;
+ def #NAME#32i32 : BinOpAI<BaseOpc4, mnemonic, Xi32, EAX,
+ "{$src, %eax|EAX, $src}">;
+ def #NAME#64i32 : BinOpAI<BaseOpc4, mnemonic, Xi64, RAX,
+ "{$src, %rax|RAX, $src}">;
}
}
def TEST32mi : BinOpMI_F<"test", Xi32, X86testpat, MRM0m, 0xF6>;
def TEST64mi32 : BinOpMI_F<"test", Xi64, X86testpat, MRM0m, 0xF6>;
- def TEST8i8 : BinOpAI<0xA8, "test", Xi8 , AL>;
- def TEST16i16 : BinOpAI<0xA8, "test", Xi16, AX>;
- def TEST32i32 : BinOpAI<0xA8, "test", Xi32, EAX>;
- def TEST64i32 : BinOpAI<0xA8, "test", Xi64, RAX>;
-}
+ def TEST8i8 : BinOpAI<0xA8, "test", Xi8 , AL,
+ "{$src, %al|AL, $src}">;
+ def TEST16i16 : BinOpAI<0xA8, "test", Xi16, AX,
+ "{$src, %ax|AX, $src}">;
+ def TEST32i32 : BinOpAI<0xA8, "test", Xi32, EAX,
+ "{$src, %eax|EAX, $src}">;
+ def TEST64i32 : BinOpAI<0xA8, "test", Xi64, RAX,
+ "{$src, %rax|RAX, $src}">;
+
+ // When testing the result of EXTRACT_SUBREG sub_8bit_hi, make sure the
+ // register class is constrained to GR8_NOREX.
+ let isPseudo = 1 in
+ def TEST8ri_NOREX : I<0, Pseudo, (outs), (ins GR8_NOREX:$src, i8imm:$mask),
+ "", []>;
+}
+//===----------------------------------------------------------------------===//
+// ANDN Instruction
+//
+multiclass bmi_andn<string mnemonic, RegisterClass RC, X86MemOperand x86memop,
+ PatFrag ld_frag> {
+ def rr : I<0xF2, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
+ !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
+ [(set RC:$dst, EFLAGS, (X86andn_flag RC:$src1, RC:$src2))]>;
+ def rm : I<0xF2, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
+ !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
+ [(set RC:$dst, EFLAGS,
+ (X86andn_flag RC:$src1, (ld_frag addr:$src2)))]>;
+}
+
+let Predicates = [HasBMI], Defs = [EFLAGS] in {
+ defm ANDN32 : bmi_andn<"andn{l}", GR32, i32mem, loadi32>, T8, VEX_4V;
+ defm ANDN64 : bmi_andn<"andn{q}", GR64, i64mem, loadi64>, T8, VEX_4V, VEX_W;
+}
+
+//===----------------------------------------------------------------------===//
+// MULX Instruction
+//
+multiclass bmi_mulx<string mnemonic, RegisterClass RC, X86MemOperand x86memop> {
+let neverHasSideEffects = 1 in {
+ let isCommutable = 1 in
+ def rr : I<0xF6, MRMSrcReg, (outs RC:$dst1, RC:$dst2), (ins RC:$src),
+ !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
+ []>, T8XD, VEX_4V;
+
+ let mayLoad = 1 in
+ def rm : I<0xF6, MRMSrcMem, (outs RC:$dst1, RC:$dst2), (ins x86memop:$src),
+ !strconcat(mnemonic, "\t{$src, $dst2, $dst1|$dst1, $dst2, $src}"),
+ []>, T8XD, VEX_4V;
+}
+}
+
+let Predicates = [HasBMI2] in {
+ let Uses = [EDX] in
+ defm MULX32 : bmi_mulx<"mulx{l}", GR32, i32mem>;
+ let Uses = [RDX] in
+ defm MULX64 : bmi_mulx<"mulx{q}", GR64, i64mem>, VEX_W;
+}
projects / oota-llvm.git / blobdiff