AsmMatcher/X86: Mark _REV instructions as "code gen only", they aren't expected

to be matched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-05-26 22:21:28 +00:00
parent 882ddb492d
commit dcbab9cf5a
2 changed files with 28 additions and 0 deletions

View File

@ -361,8 +361,10 @@ def MOV64ri_alt : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
"mov{q}\t{$src, $dst|$dst, $src}", []>;
}
let isCodeGenOnly = 1 in {
def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
"mov{q}\t{$src, $dst|$dst, $src}", []>;
}
let canFoldAsLoad = 1, isReMaterializable = 1 in
def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
@ -585,9 +587,11 @@ def ADC64rr : RI<0x11, MRMDestReg, (outs GR64:$dst),
"adc{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, (adde GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def ADC64rr_REV : RI<0x13, MRMSrcReg , (outs GR32:$dst),
(ins GR64:$src1, GR64:$src2),
"adc{q}\t{$src2, $dst|$dst, $src2}", []>;
}
def ADC64rm : RI<0x13, MRMSrcMem , (outs GR64:$dst),
(ins GR64:$src1, i64mem:$src2),
@ -625,9 +629,11 @@ def SUB64rr : RI<0x29, MRMDestReg, (outs GR64:$dst),
[(set GR64:$dst, EFLAGS,
(X86sub_flag GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def SUB64rr_REV : RI<0x2B, MRMSrcReg, (outs GR64:$dst),
(ins GR64:$src1, GR64:$src2),
"sub{q}\t{$src2, $dst|$dst, $src2}", []>;
}
// Register-Memory Subtraction
def SUB64rm : RI<0x2B, MRMSrcMem, (outs GR64:$dst),
@ -677,9 +683,11 @@ def SBB64rr : RI<0x19, MRMDestReg, (outs GR64:$dst),
"sbb{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, (sube GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def SBB64rr_REV : RI<0x1B, MRMSrcReg, (outs GR64:$dst),
(ins GR64:$src1, GR64:$src2),
"sbb{q}\t{$src2, $dst|$dst, $src2}", []>;
}
def SBB64rm : RI<0x1B, MRMSrcMem, (outs GR64:$dst),
(ins GR64:$src1, i64mem:$src2),
@ -1106,9 +1114,11 @@ def AND64rr : RI<0x21, MRMDestReg,
"and{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, EFLAGS,
(X86and_flag GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def AND64rr_REV : RI<0x23, MRMSrcReg, (outs GR64:$dst),
(ins GR64:$src1, GR64:$src2),
"and{q}\t{$src2, $dst|$dst, $src2}", []>;
}
def AND64rm : RI<0x23, MRMSrcMem,
(outs GR64:$dst), (ins GR64:$src1, i64mem:$src2),
"and{q}\t{$src2, $dst|$dst, $src2}",
@ -1149,9 +1159,11 @@ def OR64rr : RI<0x09, MRMDestReg, (outs GR64:$dst),
"or{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, EFLAGS,
(X86or_flag GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def OR64rr_REV : RI<0x0B, MRMSrcReg, (outs GR64:$dst),
(ins GR64:$src1, GR64:$src2),
"or{q}\t{$src2, $dst|$dst, $src2}", []>;
}
def OR64rm : RI<0x0B, MRMSrcMem , (outs GR64:$dst),
(ins GR64:$src1, i64mem:$src2),
"or{q}\t{$src2, $dst|$dst, $src2}",
@ -1192,9 +1204,11 @@ def XOR64rr : RI<0x31, MRMDestReg, (outs GR64:$dst),
"xor{q}\t{$src2, $dst|$dst, $src2}",
[(set GR64:$dst, EFLAGS,
(X86xor_flag GR64:$src1, GR64:$src2))]>;
let isCodeGenOnly = 1 in {
def XOR64rr_REV : RI<0x33, MRMSrcReg, (outs GR64:$dst),
(ins GR64:$src1, GR64:$src2),
"xor{q}\t{$src2, $dst|$dst, $src2}", []>;
}
def XOR64rm : RI<0x33, MRMSrcMem, (outs GR64:$dst),
(ins GR64:$src1, i64mem:$src2),
"xor{q}\t{$src2, $dst|$dst, $src2}",

View File

@ -1044,12 +1044,14 @@ def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
"mov{l}\t{$src, $dst|$dst, $src}", []>;
let isCodeGenOnly = 1 in {
def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
"mov{b}\t{$src, $dst|$dst, $src}", []>;
def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
"mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
"mov{l}\t{$src, $dst|$dst, $src}", []>;
}
let canFoldAsLoad = 1, isReMaterializable = 1 in {
def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
@ -1800,6 +1802,7 @@ def AND32rr : I<0x21, MRMDestReg,
// AND instructions with the destination register in REG and the source register
// in R/M. Included for the disassembler.
let isCodeGenOnly = 1 in {
def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"and{b}\t{$src2, $dst|$dst, $src2}", []>;
def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
@ -1808,6 +1811,7 @@ def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"and{l}\t{$src2, $dst|$dst, $src2}", []>;
}
def AND8rm : I<0x22, MRMSrcMem,
(outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
@ -1926,6 +1930,7 @@ def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
// OR instructions with the destination register in REG and the source register
// in R/M. Included for the disassembler.
let isCodeGenOnly = 1 in {
def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"or{b}\t{$src2, $dst|$dst, $src2}", []>;
def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
@ -1934,6 +1939,7 @@ def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"or{l}\t{$src2, $dst|$dst, $src2}", []>;
}
def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
(ins GR8 :$src1, i8mem :$src2),
@ -2042,6 +2048,7 @@ let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
// XOR instructions with the destination register in REG and the source register
// in R/M. Included for the disassembler.
let isCodeGenOnly = 1 in {
def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"xor{b}\t{$src2, $dst|$dst, $src2}", []>;
def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
@ -2050,6 +2057,7 @@ def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"xor{l}\t{$src2, $dst|$dst, $src2}", []>;
}
def XOR8rm : I<0x32, MRMSrcMem,
(outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
@ -2847,6 +2855,7 @@ def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
[(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
}
let isCodeGenOnly = 1 in {
def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"adc{b}\t{$src2, $dst|$dst, $src2}", []>;
def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
@ -2855,6 +2864,7 @@ def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"adc{l}\t{$src2, $dst|$dst, $src2}", []>;
}
def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
(ins GR8:$src1, i8mem:$src2),
@ -2942,6 +2952,7 @@ def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
[(set GR32:$dst, EFLAGS,
(X86sub_flag GR32:$src1, GR32:$src2))]>;
let isCodeGenOnly = 1 in {
def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"sub{b}\t{$src2, $dst|$dst, $src2}", []>;
def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
@ -2950,6 +2961,7 @@ def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"sub{l}\t{$src2, $dst|$dst, $src2}", []>;
}
// Register-Memory Subtraction
def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
@ -3093,6 +3105,7 @@ let isTwoAddress = 0 in {
"sbb{l}\t{$src, %eax|%eax, $src}", []>;
}
let isCodeGenOnly = 1 in {
def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
@ -3101,6 +3114,7 @@ def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
(ins GR32:$src1, GR32:$src2),
"sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
}
def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
"sbb{b}\t{$src2, $dst|$dst, $src2}",