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-rw-r--r--lib/Target/X86/X86InstrArithmetic.td101
1 files changed, 51 insertions, 50 deletions
diff --git a/lib/Target/X86/X86InstrArithmetic.td b/lib/Target/X86/X86InstrArithmetic.td
index cb5a4e5b5d417..e52635f8d48b9 100644
--- a/lib/Target/X86/X86InstrArithmetic.td
+++ b/lib/Target/X86/X86InstrArithmetic.td
@@ -1,9 +1,8 @@
//===-- X86InstrArithmetic.td - Integer Arithmetic Instrs --*- tablegen -*-===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -195,19 +194,22 @@ def IMUL64rm : RI<0xAF, MRMSrcMem, (outs GR64:$dst),
// Surprisingly enough, these are not two address instructions!
let Defs = [EFLAGS] in {
+// NOTE: These are order specific, we want the ri8 forms to be listed
+// first so that they are slightly preferred to the ri forms.
+
// Register-Integer Signed Integer Multiply
-def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
- (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag GR16:$src1, imm:$src2))]>,
- Sched<[WriteIMul16Imm]>, OpSize16;
def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
(outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
"imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
[(set GR16:$dst, EFLAGS,
(X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
Sched<[WriteIMul16Imm]>, OpSize16;
+def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
+ (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
+ "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set GR16:$dst, EFLAGS,
+ (X86smul_flag GR16:$src1, imm:$src2))]>,
+ Sched<[WriteIMul16Imm]>, OpSize16;
def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
(outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
"imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
@@ -220,26 +222,20 @@ def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
[(set GR32:$dst, EFLAGS,
(X86smul_flag GR32:$src1, i32immSExt8:$src2))]>,
Sched<[WriteIMul32Imm]>, OpSize32;
-def IMUL64rri32 : RIi32S<0x69, MRMSrcReg, // GR64 = GR64*I32
- (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag GR64:$src1, i64immSExt32:$src2))]>,
- Sched<[WriteIMul64Imm]>;
def IMUL64rri8 : RIi8<0x6B, MRMSrcReg, // GR64 = GR64*I8
(outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2),
"imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
[(set GR64:$dst, EFLAGS,
(X86smul_flag GR64:$src1, i64immSExt8:$src2))]>,
Sched<[WriteIMul64Imm]>;
+def IMUL64rri32 : RIi32S<0x69, MRMSrcReg, // GR64 = GR64*I32
+ (outs GR64:$dst), (ins GR64:$src1, i64i32imm:$src2),
+ "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set GR64:$dst, EFLAGS,
+ (X86smul_flag GR64:$src1, i64immSExt32:$src2))]>,
+ Sched<[WriteIMul64Imm]>;
// Memory-Integer Signed Integer Multiply
-def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
- (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
- "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR16:$dst, EFLAGS,
- (X86smul_flag (loadi16 addr:$src1), imm:$src2))]>,
- Sched<[WriteIMul16Imm.Folded]>, OpSize16;
def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
(outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
"imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
@@ -247,12 +243,12 @@ def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
(X86smul_flag (loadi16 addr:$src1),
i16immSExt8:$src2))]>,
Sched<[WriteIMul16Imm.Folded]>, OpSize16;
-def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
- (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
- "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR32:$dst, EFLAGS,
- (X86smul_flag (loadi32 addr:$src1), imm:$src2))]>,
- Sched<[WriteIMul32Imm.Folded]>, OpSize32;
+def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
+ (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
+ "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set GR16:$dst, EFLAGS,
+ (X86smul_flag (loadi16 addr:$src1), imm:$src2))]>,
+ Sched<[WriteIMul16Imm.Folded]>, OpSize16;
def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
(outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
"imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
@@ -260,13 +256,12 @@ def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
(X86smul_flag (loadi32 addr:$src1),
i32immSExt8:$src2))]>,
Sched<[WriteIMul32Imm.Folded]>, OpSize32;
-def IMUL64rmi32 : RIi32S<0x69, MRMSrcMem, // GR64 = [mem64]*I32
- (outs GR64:$dst), (ins i64mem:$src1, i64i32imm:$src2),
- "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
- [(set GR64:$dst, EFLAGS,
- (X86smul_flag (loadi64 addr:$src1),
- i64immSExt32:$src2))]>,
- Sched<[WriteIMul64Imm.Folded]>;
+def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
+ (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
+ "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set GR32:$dst, EFLAGS,
+ (X86smul_flag (loadi32 addr:$src1), imm:$src2))]>,
+ Sched<[WriteIMul32Imm.Folded]>, OpSize32;
def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8
(outs GR64:$dst), (ins i64mem:$src1, i64i8imm: $src2),
"imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
@@ -274,6 +269,13 @@ def IMUL64rmi8 : RIi8<0x6B, MRMSrcMem, // GR64 = [mem64]*I8
(X86smul_flag (loadi64 addr:$src1),
i64immSExt8:$src2))]>,
Sched<[WriteIMul64Imm.Folded]>;
+def IMUL64rmi32 : RIi32S<0x69, MRMSrcMem, // GR64 = [mem64]*I32
+ (outs GR64:$dst), (ins i64mem:$src1, i64i32imm:$src2),
+ "imul{q}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ [(set GR64:$dst, EFLAGS,
+ (X86smul_flag (loadi64 addr:$src1),
+ i64immSExt32:$src2))]>,
+ Sched<[WriteIMul64Imm.Folded]>;
} // Defs = [EFLAGS]
// unsigned division/remainder
@@ -436,11 +438,10 @@ def X86sub_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
// TODO: inc/dec is slow for P4, but fast for Pentium-M.
let Defs = [EFLAGS] in {
let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
-let CodeSize = 2 in
+let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
"inc{b}\t$dst",
[(set GR8:$dst, EFLAGS, (X86add_flag_nocf GR8:$src1, 1))]>;
-let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
def INC16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
"inc{w}\t$dst",
[(set GR16:$dst, EFLAGS, (X86add_flag_nocf GR16:$src1, 1))]>,
@@ -484,11 +485,10 @@ let Predicates = [UseIncDec, In64BitMode] in {
} // CodeSize = 2, SchedRW
let Constraints = "$src1 = $dst", SchedRW = [WriteALU] in {
-let CodeSize = 2 in
+let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
"dec{b}\t$dst",
[(set GR8:$dst, EFLAGS, (X86sub_flag_nocf GR8:$src1, 1))]>;
-let isConvertibleToThreeAddress = 1, CodeSize = 2 in { // Can xform into LEA.
def DEC16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
"dec{w}\t$dst",
[(set GR16:$dst, EFLAGS, (X86sub_flag_nocf GR16:$src1, 1))]>,
@@ -605,16 +605,16 @@ def invalid_node : SDNode<"<<invalid_node>>", SDTIntLeaf,[],"<<invalid_node>>">;
def Xi8 : X86TypeInfo<i8, "b", GR8, loadi8, i8mem,
- Imm8, i8imm, imm8_su, i8imm, invalid_node,
+ Imm8, i8imm, relocImm8_su, i8imm, invalid_node,
0, OpSizeFixed, 0>;
def Xi16 : X86TypeInfo<i16, "w", GR16, loadi16, i16mem,
- Imm16, i16imm, imm16_su, i16i8imm, i16immSExt8_su,
+ Imm16, i16imm, relocImm16_su, i16i8imm, i16immSExt8_su,
1, OpSize16, 0>;
def Xi32 : X86TypeInfo<i32, "l", GR32, loadi32, i32mem,
- Imm32, i32imm, imm32_su, i32i8imm, i32immSExt8_su,
+ Imm32, i32imm, relocImm32_su, i32i8imm, i32immSExt8_su,
1, OpSize32, 0>;
def Xi64 : X86TypeInfo<i64, "q", GR64, loadi64, i64mem,
- Imm32S, i64i32imm, i64immSExt32_su, i64i8imm, i64immSExt8_su,
+ Imm32S, i64i32imm, i64relocImmSExt32_su, i64i8imm, i64immSExt8_su,
1, OpSizeFixed, 1>;
/// ITy - This instruction base class takes the type info for the instruction.
@@ -924,11 +924,12 @@ class BinOpAI_F<bits<8> opcode, string mnemonic, X86TypeInfo typeinfo,
multiclass ArithBinOp_RF<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
string mnemonic, Format RegMRM, Format MemMRM,
SDNode opnodeflag, SDNode opnode,
- bit CommutableRR, bit ConvertibleToThreeAddress> {
+ bit CommutableRR, bit ConvertibleToThreeAddress,
+ bit ConvertibleToThreeAddressRR> {
let Defs = [EFLAGS] in {
let Constraints = "$src1 = $dst" in {
let isCommutable = CommutableRR in {
- let isConvertibleToThreeAddress = ConvertibleToThreeAddress in {
+ let isConvertibleToThreeAddress = ConvertibleToThreeAddressRR in {
def NAME#8rr : BinOpRR_RF<BaseOpc, mnemonic, Xi8 , opnodeflag>;
def NAME#16rr : BinOpRR_RF<BaseOpc, mnemonic, Xi16, opnodeflag>;
def NAME#32rr : BinOpRR_RF<BaseOpc, mnemonic, Xi32, opnodeflag>;
@@ -1169,16 +1170,16 @@ multiclass ArithBinOp_F<bits<8> BaseOpc, bits<8> BaseOpc2, bits<8> BaseOpc4,
defm AND : ArithBinOp_RF<0x20, 0x22, 0x24, "and", MRM4r, MRM4m,
- X86and_flag, and, 1, 0>;
+ X86and_flag, and, 1, 0, 0>;
defm OR : ArithBinOp_RF<0x08, 0x0A, 0x0C, "or", MRM1r, MRM1m,
- X86or_flag, or, 1, 0>;
+ X86or_flag, or, 1, 0, 0>;
defm XOR : ArithBinOp_RF<0x30, 0x32, 0x34, "xor", MRM6r, MRM6m,
- X86xor_flag, xor, 1, 0>;
+ X86xor_flag, xor, 1, 0, 0>;
defm ADD : ArithBinOp_RF<0x00, 0x02, 0x04, "add", MRM0r, MRM0m,
- X86add_flag, add, 1, 1>;
+ X86add_flag, add, 1, 1, 1>;
let isCompare = 1 in {
defm SUB : ArithBinOp_RF<0x28, 0x2A, 0x2C, "sub", MRM5r, MRM5m,
- X86sub_flag, sub, 0, 0>;
+ X86sub_flag, sub, 0, 1, 0>;
}
// Arithmetic.
generated by cgit v1.3 (git 2.53.0) at 2026-09-03 00:12:48 +0000