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Merging r270542:
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r270542 | slthakur | 2016-05-24 15:27:10 +0530 (Tue, 24 May 2016) | 9 lines

[MIPS][LLVM-MC] Fix Disassemble of Negative Offset

Patch by Nitesh Jain.

Summary: The type of Imm in MipsDisassembler.cpp was incorrect since SignExtend64 return int64_t type.As per the MIPSr6 doc ,the offset is added to the address of the instruction following the branch (not the branch itself), to form a PC-relative effective target address hence “4” is added to the offset. The offset of some test case are update to reflect the changes due to “ + 4 ” offset and new test case for negative offset are added.

Reviewers: dsanders, vkalintiris
Differential Revision: http://reviews.llvm.org/D17540

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llvm-svn: 270676
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@Mohit7
Mohit7 committed May 25, 2016
1 parent ef13667 commit c222e5d
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Showing 8 changed files with 196 additions and 138 deletions.
16 changes: 8 additions & 8 deletions llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
View file
Expand Up @@ -563,7 +563,7 @@ static DecodeStatus DecodeAddiGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;
bool HasRs = false;

if (Rs >= Rt) {
Expand Down Expand Up @@ -602,7 +602,7 @@ static DecodeStatus DecodeDaddiGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;
bool HasRs = false;

if (Rs >= Rt) {
Expand Down Expand Up @@ -642,7 +642,7 @@ static DecodeStatus DecodeBlezlGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;
bool HasRs = false;

if (Rt == 0)
Expand Down Expand Up @@ -687,7 +687,7 @@ static DecodeStatus DecodeBgtzlGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;

if (Rt == 0)
return MCDisassembler::Fail;
Expand Down Expand Up @@ -729,7 +729,7 @@ static DecodeStatus DecodeBgtzGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;
bool HasRs = false;
bool HasRt = false;

Expand Down Expand Up @@ -778,7 +778,7 @@ static DecodeStatus DecodeBlezGroupBranch(MCInst &MI, InsnType insn,

InsnType Rs = fieldFromInstruction(insn, 21, 5);
InsnType Rt = fieldFromInstruction(insn, 16, 5);
InsnType Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4;
int64_t Imm = SignExtend64(fieldFromInstruction(insn, 0, 16), 16) * 4 + 4;
bool HasRs = false;

if (Rt == 0)
Expand Down Expand Up @@ -1822,7 +1822,7 @@ static DecodeStatus DecodeBranchTarget21(MCInst &Inst,
unsigned Offset,
uint64_t Address,
const void *Decoder) {
int32_t BranchOffset = SignExtend32<21>(Offset) * 4;
int32_t BranchOffset = SignExtend32<21>(Offset) * 4 + 4;

Inst.addOperand(MCOperand::createImm(BranchOffset));
return MCDisassembler::Success;
Expand All @@ -1832,7 +1832,7 @@ static DecodeStatus DecodeBranchTarget26(MCInst &Inst,
unsigned Offset,
uint64_t Address,
const void *Decoder) {
int32_t BranchOffset = SignExtend32<26>(Offset) * 4;
int32_t BranchOffset = SignExtend32<26>(Offset) * 4 + 4;

Inst.addOperand(MCOperand::createImm(BranchOffset));
return MCDisassembler::Success;
Expand Down
4 changes: 2 additions & 2 deletions llvm/test/ExecutionEngine/RuntimeDyld/Mips/ELF_N64R6_relocations.s
View file
Expand Up @@ -32,12 +32,12 @@ R_MIPS_PC19_S2:
lwpc $6,foo

# Test R_MIPS_PC21_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC21_S2, 1)[22:0] = (foo - next_pc(R_MIPS_PC21_S2))[22:0]
# rtdyld-check: decode_operand(R_MIPS_PC21_S2, 1)[22:0] = (foo - next_pc(R_MIPS_PC21_S2) + 0x04)[22:0]
R_MIPS_PC21_S2:
bnezc $5,foo

# Test R_MIPS_PC26_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC26_S2, 0)[27:0] = (foo - next_pc(R_MIPS_PC26_S2))[27:0]
# rtdyld-check: decode_operand(R_MIPS_PC26_S2, 0)[27:0] = (foo - next_pc(R_MIPS_PC26_S2) + 0x04)[27:0]
R_MIPS_PC26_S2:
balc foo

Expand Down
4 changes: 2 additions & 2 deletions llvm/test/ExecutionEngine/RuntimeDyld/Mips/ELF_O32R6_relocations.s
View file
Expand Up @@ -27,12 +27,12 @@ R_MIPS_PC19_S2:
lwpc $6,foo

# Test R_MIPS_PC21_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC21_S2, 1)[22:0] = (foo - next_pc(R_MIPS_PC21_S2))[22:0]
# rtdyld-check: decode_operand(R_MIPS_PC21_S2, 1)[22:0] = (foo - next_pc(R_MIPS_PC21_S2) + 0x04)[22:0]
R_MIPS_PC21_S2:
bnezc $5,foo

# Test R_MIPS_PC26_S2 relocation.
# rtdyld-check: decode_operand(R_MIPS_PC26_S2, 0)[27:0] = (foo - next_pc(R_MIPS_PC26_S2))[27:0]
# rtdyld-check: decode_operand(R_MIPS_PC26_S2, 0)[27:0] = (foo - next_pc(R_MIPS_PC26_S2) + 0x04)[27:0]
R_MIPS_PC26_S2:
balc foo

Expand Down
65 changes: 39 additions & 26 deletions llvm/test/MC/Disassembler/Mips/mips32r6/valid-mips32r6-el.txt
View file
Expand Up @@ -7,8 +7,8 @@
0xe9 0xff 0x62 0x3c # CHECK: aui $3, $2, -23
0xff 0xff 0x7e 0xec # CHECK: auipc $3, -1
0x9b 0x14 0x11 0x04 # CHECK: bal 21104
0xb8 0x96 0x37 0xe8 # CHECK: balc 14572256
0xb8 0x96 0x37 0xc8 # CHECK: bc 14572256
0xb8 0x96 0x37 0xe8 # CHECK: balc 14572260
0xb8 0x96 0x37 0xc8 # CHECK: bc 14572260
0x01 0x00 0x20 0x45 # CHECK: bc1eqz $f0, 8
0x01 0x00 0x3f 0x45 # CHECK: bc1eqz $f31, 8
0x01 0x00 0xa0 0x45 # CHECK: bc1nez $f0, 8
Expand All @@ -17,31 +17,44 @@
0x02 0x00 0x3f 0x49 # CHECK: bc2eqz $31, 12
0x02 0x00 0xa0 0x49 # CHECK: bc2nez $0, 12
0x02 0x00 0xbf 0x49 # CHECK: bc2nez $31, 12
0x40 0x00 0xa6 0x20 # CHECK: beqc $5, $6, 256
0x4d 0x01 0x02 0x20 # CHECK: beqzalc $2, 1332
0x40 0x00 0xa6 0x60 # CHECK: bnec $5, $6, 256
0x4d 0x01 0x02 0x60 # CHECK: bnezalc $2, 1332
0x90 0x46 0xa0 0xd8 # CHECK: beqzc $5, 72256
0x40 0x00 0x43 0x58 # CHECK: bgec $2, $3, 256
0x40 0x00 0x43 0x18 # CHECK: bgeuc $2, $3, 256
0x4d 0x01 0x42 0x18 # CHECK: bgezalc $2, 1332
0x90 0x46 0xa0 0xf8 # CHECK: bnezc $5, 72256
0x40 0x00 0xa5 0x5c # CHECK: bltzc $5, 256
0x40 0x00 0xa5 0x58 # CHECK: bgezc $5, 256
0x4d 0x01 0x02 0x1c # CHECK: bgtzalc $2, 1332
0x40 0x00 0x05 0x58 # CHECK: blezc $5, 256
0x4d 0x01 0x42 0x1c # CHECK: bltzalc $2, 1332
0x40 0x00 0x05 0x5c # CHECK: bgtzc $5, 256
0x40 0x00 0xa6 0x20 # CHECK: beqc $5, $6, 260
0x4d 0x01 0x02 0x20 # CHECK: beqzalc $2, 1336
0x40 0x00 0xa6 0x60 # CHECK: bnec $5, $6, 260
0xfa 0xff 0x43 0x60 # CHECK: bnec $2, $3, -20
0x4d 0x01 0x02 0x60 # CHECK: bnezalc $2, 1336
0x90 0x46 0xa0 0xd8 # CHECK: beqzc $5, 72260
0x40 0x00 0x43 0x58 # CHECK: bgec $2, $3, 260
0xfa 0xff 0x43 0x58 # CHECK: bgec $2, $3, -20
0x40 0x00 0x43 0x18 # CHECK: bgeuc $2, $3, 260
0xfa 0xff 0x43 0x18 # CHECK: bgeuc $2, $3, -20
0x4d 0x01 0x42 0x18 # CHECK: bgezalc $2, 1336
0xfa 0xff 0x42 0x18 # CHECK: bgezalc $2, -20
0x90 0x46 0xa0 0xf8 # CHECK: bnezc $5, 72260
0x40 0x00 0xa5 0x5c # CHECK: bltzc $5, 260
0xfa 0xff 0xa5 0x5c # CHECK: bltzc $5, -20
0x40 0x00 0xa5 0x58 # CHECK: bgezc $5, 260
0xfa 0xff 0xa5 0x58 # CHECK: bgezc $5, -20
0x4d 0x01 0x02 0x1c # CHECK: bgtzalc $2, 1336
0xfa 0xff 0x02 0x1c # CHECK: bgtzalc $2, -20
0x40 0x00 0x05 0x58 # CHECK: blezc $5, 260
0xfa 0xff 0x05 0x58 # CHECK: blezc $5, -20
0x4d 0x01 0x42 0x1c # CHECK: bltzalc $2, 1336
0xfa 0xff 0x42 0x1c # CHECK: bltzalc $2, -20
0x40 0x00 0x05 0x5c # CHECK: bgtzc $5, 260
0xfa 0xff 0x05 0x5c # CHECK: bgtzc $5, -20
0x20 0x20 0x02 0x7c # CHECK: bitswap $4, $2
0x4d 0x01 0x02 0x18 # CHECK: blezalc $2, 1332
0x40 0x00 0xa6 0x5c # CHECK: bltc $5, $6, 256
0x40 0x00 0xa6 0x1c # CHECK: bltuc $5, $6, 256
0x01 0x00 0x00 0x60 # CHECK: bnvc $zero, $zero, 4
0x01 0x00 0x40 0x60 # CHECK: bnvc $2, $zero, 4
0x01 0x00 0x82 0x60 # CHECK: bnvc $4, $2, 4
0x01 0x00 0x00 0x20 # CHECK: bovc $zero, $zero, 4
0x01 0x00 0x40 0x20 # CHECK: bovc $2, $zero, 4
0x01 0x00 0x82 0x20 # CHECK: bovc $4, $2, 4
0x4d 0x01 0x02 0x18 # CHECK: blezalc $2, 1336
0xfa 0xff 0x02 0x18 # CHECK: blezalc $2, -20
0x40 0x00 0xa6 0x5c # CHECK: bltc $5, $6, 260
0xfa 0xff 0xa6 0x5c # CHECK: bltc $5, $6, -20
0x40 0x00 0xa6 0x1c # CHECK: bltuc $5, $6, 260
0xfa 0xff 0xa6 0x1c # CHECK: bltuc $5, $6, -20
0x01 0x00 0x00 0x60 # CHECK: bnvc $zero, $zero, 8
0x01 0x00 0x40 0x60 # CHECK: bnvc $2, $zero, 8
0x01 0x00 0x82 0x60 # CHECK: bnvc $4, $2, 8
0x01 0x00 0x00 0x20 # CHECK: bovc $zero, $zero, 8
0x01 0x00 0x40 0x20 # CHECK: bovc $2, $zero, 8
0x01 0x00 0x82 0x20 # CHECK: bovc $4, $2, 8
0x80 0x18 0x84 0x46 # CHECK: cmp.af.s $f2, $f3, $f4
0x80 0x18 0xa4 0x46 # CHECK: cmp.af.d $f2, $f3, $f4
0x81 0x18 0x84 0x46 # CHECK: cmp.un.s $f2, $f3, $f4
Expand Down
79 changes: 47 additions & 32 deletions llvm/test/MC/Disassembler/Mips/mips32r6/valid-mips32r6.txt
View file
Expand Up @@ -33,22 +33,28 @@
0x02 0xdc 0x00 0x31 # CHECK: tgeu $22, $gp
0x03 0x80 0xe8 0x50 # CHECK: clz $sp, $gp
0x04 0x11 0x14 0x9b # CHECK: bal 21104
# FIXME: The encode/decode functions are not inverses of each other.
0x18 0x02 0x01 0x4d # CHECK: blezalc $2, 1332
# FIXME: The encode/decode functions are not inverses of each other.
0x18 0x42 0x01 0x4d # CHECK: bgezalc $2, 1332
0x18 0x43 0x00 0x40 # CHECK: bgeuc $2, $3, 256
# FIXME: The encode/decode functions are not inverses of each other.
0x1c 0x02 0x01 0x4d # CHECK: bgtzalc $2, 1332
# FIXME: The encode/decode functions are not inverses of each other.
0x1c 0x42 0x01 0x4d # CHECK: bltzalc $2, 1332
0x1c 0xa6 0x00 0x40 # CHECK: bltuc $5, $6, 256
0x20 0x00 0x00 0x01 # CHECK: bovc $zero, $zero, 4
# FIXME: The encode/decode functions are not inverses of each other.
0x20 0x02 0x01 0x4d # CHECK: beqzalc $2, 1332
0x20 0x40 0x00 0x01 # CHECK: bovc $2, $zero, 4
0x20 0x82 0x00 0x01 # CHECK: bovc $4, $2, 4
0x20 0xa6 0x00 0x40 # CHECK: beqc $5, $6, 256
# The encode/decode functions are not inverses of each other.
0x18 0x02 0x01 0x4d # CHECK: blezalc $2, 1336
0x18 0x02 0xff 0xfa # CHECk: blezalc $2, -20
# The encode/decode functions are not inverses of each other in the immediate case.
0x18 0x42 0x01 0x4d # CHECK: bgezalc $2, 1336
0x18 0x42 0xff 0xfa # CHECK: bgezalc $2, -20
0x18 0x43 0x00 0x40 # CHECK: bgeuc $2, $3, 260
0x18 0x43 0xff 0xfa # CHECK: bgeuc $2, $3, -20
# The encode/decode functions are not inverses of each other in the immediate case.
0x1c 0x02 0x01 0x4d # CHECK: bgtzalc $2, 1336
0x1c 0x02 0xff 0xfa # CHECK: bgtzalc $2, -20
# The encode/decode functions are not inverses of each other in the immediate case.
0x1c 0x42 0x01 0x4d # CHECK: bltzalc $2, 1336
0x1c 0x42 0xff 0xfa # CHECK: bltzalc $2, -20
0x1c 0xa6 0x00 0x40 # CHECK: bltuc $5, $6, 260
0x1c 0xa6 0xff 0xfa # CHECK: bltuc $5, $6, -20
0x20 0x00 0x00 0x01 # CHECK: bovc $zero, $zero, 8
# The encode/decode functions are not inverses of each other in the immediate case.
0x20 0x02 0x01 0x4d # CHECK: beqzalc $2, 1336
0x20 0x40 0x00 0x01 # CHECK: bovc $2, $zero, 8
0x20 0x82 0x00 0x01 # CHECK: bovc $4, $2, 8
0x20 0xa6 0x00 0x40 # CHECK: beqc $5, $6, 260
0x25 0x29 0x00 0x0a # CHECK: addiu $9, $9, 10
0x30 0x42 0x00 0x04 # CHECK: andi $2, $2, 4
0x34 0x42 0x00 0x04 # CHECK: ori $2, $2, 4
Expand Down Expand Up @@ -143,32 +149,41 @@
0x49 0xbf 0x00 0x02 # CHECK: bc2nez $31, 12
0x49 0xc8 0x0d 0x43 # CHECK: ldc2 $8, -701($1)
0x49 0xf4 0x92 0x75 # CHECK: sdc2 $20, 629($18)
0x58 0x05 0x00 0x40 # CHECK: blezc $5, 256
0x58 0x43 0x00 0x40 # CHECK: bgec $2, $3, 256
0x58 0xa5 0x00 0x40 # CHECK: bgezc $5, 256
0x5c 0x05 0x00 0x40 # CHECK: bgtzc $5, 256
0x5c 0xa5 0x00 0x40 # CHECK: bltzc $5, 256
0x5c 0xa6 0x00 0x40 # CHECK: bltc $5, $6, 256
0x60 0x00 0x00 0x01 # CHECK: bnvc $zero, $zero, 4
# FIXME: The encode/decode functions are not inverses of each other.
0x60 0x02 0x01 0x4d # CHECK: bnezalc $2, 1332
0x60 0x40 0x00 0x01 # CHECK: bnvc $2, $zero, 4
0x60 0x82 0x00 0x01 # CHECK: bnvc $4, $2, 4
0x60 0xa6 0x00 0x40 # CHECK: bnec $5, $6, 256
0x58 0x05 0x00 0x40 # CHECK: blezc $5, 260
0x58 0x05 0xff 0xfa # CHECk: blezc $5, -20
0x58 0x43 0x00 0x40 # CHECK: bgec $2, $3, 260
0x58 0x43 0xff 0xfa # CHECK: bgec $2, $3, -20
0x58 0xa5 0x00 0x40 # CHECK: bgezc $5, 260
0x58 0xa5 0xff 0xfa # CHECK: bgezc $5, -20
0x5c 0x05 0x00 0x40 # CHECK: bgtzc $5, 260
0x5c 0x05 0xff 0xfa # CHECk: bgtzc $5, -20
0x5c 0xa5 0x00 0x40 # CHECK: bltzc $5, 260
0x5c 0xa5 0xff 0xfa # CHECK: bltzc $5, -20
0x5c 0xa6 0x00 0x40 # CHECK: bltc $5, $6, 260
0x5c 0xa6 0xff 0xfa # CHECK: bltc $5, $6, -20
0x60 0x00 0x00 0x01 # CHECK: bnvc $zero, $zero, 8
# The encode/decode functions are not inverses of each other in the immediate case.
0x60 0x02 0x01 0x4d # CHECK: bnezalc $2, 1336
0x60 0x40 0x00 0x01 # CHECK: bnvc $2, $zero, 8
0x60 0x82 0x00 0x01 # CHECK: bnvc $4, $2, 8
0x60 0xa6 0x00 0x40 # CHECK: bnec $5, $6, 260
0x60 0x43 0xff 0xfa # CHECK: bnec $2, $3, -20
0x7c 0x02 0x20 0x20 # CHECK: bitswap $4, $2
0x7c 0x43 0x22 0xa0 # CHECK: align $4, $2, $3, 2
0x7c 0xa1 0x04 0x25 # CHECK: cache 1, 8($5)
0x7c 0xa1 0x04 0x35 # CHECK: pref 1, 8($5)
0x7e 0x42 0xb3 0xb6 # CHECK: ll $2, -153($18)
0x7e 0x6f 0xec 0x26 # CHECK: sc $15, -40($19)
0xc8 0x37 0x96 0xb8 # CHECK: bc 14572256
0xc8 0x37 0x96 0xb8 # CHECK: bc 14572260
0xd8 0x05 0x01 0x00 # CHECK: jic $5, 256
0xd8 0xa0 0x46 0x90 # CHECK: beqzc $5, 72256
0xe8 0x37 0x96 0xb8 # CHECK: balc 14572256
0xd8 0xa0 0x46 0x90 # CHECK: beqzc $5, 72260
0xd8 0x5f 0xff 0xfa # CHECK: beqzc $2, -20
0xe8 0x37 0x96 0xb8 # CHECK: balc 14572260
0xec 0x48 0x00 0x43 # CHECK: lwpc $2, 268
0xec 0x50 0x00 0x43 # CHECK: lwupc $2, 268
0xec 0x7e 0xff 0xff # CHECK: auipc $3, -1
0xec 0x7f 0x00 0x38 # CHECK: aluipc $3, 56
0xec 0x80 0x00 0x19 # CHECK: addiupc $4, 100
0xf8 0x05 0x01 0x00 # CHECK: jialc $5, 256
0xf8 0xa0 0x46 0x90 # CHECK: bnezc $5, 72256
0xf8 0xa0 0x46 0x90 # CHECK: bnezc $5, 72260
0xf8 0x5f 0xff 0xfa # CHECK: bnezc $2, -20
67 changes: 41 additions & 26 deletions llvm/test/MC/Disassembler/Mips/mips64r6/valid-mips64r6-el.txt
View file
Expand Up @@ -7,8 +7,8 @@
0xe9 0xff 0x62 0x3c # CHECK: aui $3, $2, -23
0xff 0xff 0x7e 0xec # CHECK: auipc $3, -1
0x9b 0x14 0x11 0x04 # CHECK: bal 21104
0xb8 0x96 0x37 0xe8 # CHECK: balc 14572256
0xb8 0x96 0x37 0xc8 # CHECK: bc 14572256
0xb8 0x96 0x37 0xe8 # CHECK: balc 14572260
0xb8 0x96 0x37 0xc8 # CHECK: bc 14572260
0x01 0x00 0x20 0x45 # CHECK: bc1eqz $f0, 8
0x01 0x00 0x3f 0x45 # CHECK: bc1eqz $f31, 8
0x01 0x00 0xa0 0x45 # CHECK: bc1nez $f0, 8
Expand All @@ -17,31 +17,46 @@
0x02 0x00 0x3f 0x49 # CHECK: bc2eqz $31, 12
0x02 0x00 0xa0 0x49 # CHECK: bc2nez $0, 12
0x02 0x00 0xbf 0x49 # CHECK: bc2nez $31, 12
0x40 0x00 0xa6 0x20 # CHECK: beqc $5, $6, 256
0x4d 0x01 0x02 0x20 # CHECK: beqzalc $2, 1332
0x90 0x46 0xa0 0xd8 # CHECK: beqzc $5, 72256
0x40 0x00 0x43 0x58 # CHECK: bgec $2, $3, 256
0x40 0x00 0x43 0x18 # CHECK: bgeuc $2, $3, 256
0x4d 0x01 0x42 0x18 # CHECK: bgezalc $2, 1332
0x40 0x00 0xa5 0x58 # CHECK: bgezc $5, 256
0x4d 0x01 0x02 0x1c # CHECK: bgtzalc $2, 1332
0x40 0x00 0x05 0x5c # CHECK: bgtzc $5, 256
0x40 0x00 0xa6 0x20 # CHECK: beqc $5, $6, 260
0x4d 0x01 0x02 0x20 # CHECK: beqzalc $2, 1336
0x90 0x46 0xa0 0xd8 # CHECK: beqzc $5, 72260
0xfa 0xff 0x5f 0xd8 # CHECK: beqzc $2, -20
0x40 0x00 0x43 0x58 # CHECK: bgec $2, $3, 260
0xfa 0xff 0x43 0x58 # CHECK: bgec $2, $3, -20
0x40 0x00 0x43 0x18 # CHECK: bgeuc $2, $3, 260
0xfa 0xff 0x43 0x18 # CHECK: bgeuc $2, $3, -20
0x4d 0x01 0x42 0x18 # CHECK: bgezalc $2, 1336
0xfa 0xff 0x42 0x18 # CHECK: bgezalc $2, -20
0x40 0x00 0xa5 0x58 # CHECK: bgezc $5, 260
0xfa 0xff 0xa5 0x58 # CHECK: bgezc $5, -20
0x4d 0x01 0x02 0x1c # CHECK: bgtzalc $2, 1336
0xfa 0xff 0x02 0x1c # CHECK: bgtzalc $2, -20
0x40 0x00 0x05 0x5c # CHECK: bgtzc $5, 260
0xfa 0xff 0x05 0x5c # CHECK: bgtzc $5, -20
0x20 0x20 0x02 0x7c # CHECK: bitswap $4, $2
0x4d 0x01 0x02 0x18 # CHECK: blezalc $2, 1332
0x40 0x00 0x05 0x58 # CHECK: blezc $5, 256
0x40 0x00 0xa6 0x5c # CHECK: bltc $5, $6, 256
0x40 0x00 0xa6 0x1c # CHECK: bltuc $5, $6, 256
0x4d 0x01 0x42 0x1c # CHECK: bltzalc $2, 1332
0x40 0x00 0xa5 0x5c # CHECK: bltzc $5, 256
0x40 0x00 0xa6 0x60 # CHECK: bnec $5, $6, 256
0x4d 0x01 0x02 0x60 # CHECK: bnezalc $2, 1332
0x90 0x46 0xa0 0xf8 # CHECK: bnezc $5, 72256
0x01 0x00 0x40 0x60 # CHECK: bnvc $2, $zero, 4
0x01 0x00 0x82 0x60 # CHECK: bnvc $4, $2, 4
0x01 0x00 0x00 0x60 # CHECK: bnvc $zero, $zero, 4
0x01 0x00 0x40 0x20 # CHECK: bovc $2, $zero, 4
0x01 0x00 0x82 0x20 # CHECK: bovc $4, $2, 4
0x01 0x00 0x00 0x20 # CHECK: bovc $zero, $zero, 4
0x4d 0x01 0x02 0x18 # CHECK: blezalc $2, 1336
0xfa 0xff 0x02 0x18 # CHECK: blezalc $2, -20
0x40 0x00 0x05 0x58 # CHECK: blezc $5, 260
0xfa 0xff 0x05 0x58 # CHECK: blezc $5, -20
0x40 0x00 0xa6 0x5c # CHECK: bltc $5, $6, 260
0xfa 0xff 0xa6 0x5c # CHECK: bltc $5, $6, -20
0x40 0x00 0xa6 0x1c # CHECK: bltuc $5, $6, 260
0xfa 0xff 0xa6 0x1c # CHECK: bltuc $5, $6, -20
0x4d 0x01 0x42 0x1c # CHECK: bltzalc $2, 1336
0xfa 0xff 0x42 0x1c # CHECK: bltzalc $2, -20
0x40 0x00 0xa5 0x5c # CHECK: bltzc $5, 260
0xfa 0xff 0xa5 0x5c # CHECK: bltzc $5, -20
0x40 0x00 0xa6 0x60 # CHECK: bnec $5, $6, 260
0xfa 0xff 0x43 0x60 # CHECK: bnec $2, $3, -20
0x4d 0x01 0x02 0x60 # CHECK: bnezalc $2, 1336
0x90 0x46 0xa0 0xf8 # CHECK: bnezc $5, 72260
0xfa 0xff 0x5f 0xf8 # CHECK: bnezc $2, -20
0x01 0x00 0x40 0x60 # CHECK: bnvc $2, $zero, 8
0x01 0x00 0x82 0x60 # CHECK: bnvc $4, $2, 8
0x01 0x00 0x00 0x60 # CHECK: bnvc $zero, $zero, 8
0x01 0x00 0x40 0x20 # CHECK: bovc $2, $zero, 8
0x01 0x00 0x82 0x20 # CHECK: bovc $4, $2, 8
0x01 0x00 0x00 0x20 # CHECK: bovc $zero, $zero, 8
0x25 0x04 0xa1 0x7c # CHECK: cache 1, 8($5)
0x9b 0x20 0x20 0x46 # CHECK: class.d $f2, $f4
0x9b 0x20 0x00 0x46 # CHECK: class.s $f2, $f4
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