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-rw-r--r--llvm/include/llvm/MC/MCRegisterInfo.h5
-rw-r--r--llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp20
-rw-r--r--llvm/test/MC/Mips/macro-dla-32bit.s228
3 files changed, 248 insertions, 5 deletions
diff --git a/llvm/include/llvm/MC/MCRegisterInfo.h b/llvm/include/llvm/MC/MCRegisterInfo.h
index a4d5e086723..3a7d0fb4111 100644
--- a/llvm/include/llvm/MC/MCRegisterInfo.h
+++ b/llvm/include/llvm/MC/MCRegisterInfo.h
@@ -440,6 +440,11 @@ public:
return RegA == RegB || isSuperRegister(RegA, RegB);
}
+ /// \brief Returns true if RegB is a super-register or sub-register of RegA
+ /// or if RegB == RegA.
+ bool isSuperOrSubRegisterEq(unsigned RegA, unsigned RegB) const {
+ return isSubRegisterEq(RegA, RegB) || isSuperRegister(RegA, RegB);
+ }
};
//===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index d4e061f00d3..fd67f118f49 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -2180,7 +2180,8 @@ bool MipsAsmParser::loadImmediate(int64_t ImmValue, unsigned DstReg,
UseSrcReg = true;
unsigned TmpReg = DstReg;
- if (UseSrcReg && (DstReg == SrcReg)) {
+ if (UseSrcReg &&
+ getContext().getRegisterInfo()->isSuperOrSubRegisterEq(DstReg, SrcReg)) {
// At this point we need AT to perform the expansions and we exit if it is
// not available.
unsigned ATReg = getATReg(IDLoc);
@@ -2344,7 +2345,7 @@ bool MipsAsmParser::expandLoadAddress(unsigned DstReg, unsigned BaseReg,
}
// dla requires 64-bit addresses.
- if (!Is32BitAddress && !ABI.ArePtrs64bit()) {
+ if (!Is32BitAddress && !hasMips3()) {
Error(IDLoc, "instruction requires a 64-bit architecture");
return true;
}
@@ -2353,6 +2354,11 @@ bool MipsAsmParser::expandLoadAddress(unsigned DstReg, unsigned BaseReg,
return loadAndAddSymbolAddress(Offset.getExpr(), DstReg, BaseReg,
Is32BitAddress, IDLoc, Instructions);
+ if (!ABI.ArePtrs64bit()) {
+ // Continue as if we had 'la' whether we had 'la' or 'dla'.
+ Is32BitAddress = true;
+ }
+
return loadImmediate(Offset.getImm(), DstReg, BaseReg, Is32BitAddress, true,
IDLoc, Instructions);
}
@@ -2383,7 +2389,9 @@ bool MipsAsmParser::loadAndAddSymbolAddress(
const MipsMCExpr *HigherExpr = MipsMCExpr::create(
MCSymbolRefExpr::VK_Mips_HIGHER, Symbol, getContext());
- if (UseSrcReg && (DstReg == SrcReg)) {
+ if (UseSrcReg &&
+ getContext().getRegisterInfo()->isSuperOrSubRegisterEq(DstReg,
+ SrcReg)) {
// If $rs is the same as $rd:
// (d)la $rd, sym($rd) => lui $at, %highest(sym)
// daddiu $at, $at, %higher(sym)
@@ -2441,7 +2449,8 @@ bool MipsAsmParser::loadAndAddSymbolAddress(
// ori $rd, $rd, %lo(sym)
// (addu $rd, $rd, $rs)
unsigned TmpReg = DstReg;
- if (UseSrcReg && (DstReg == SrcReg)) {
+ if (UseSrcReg &&
+ getContext().getRegisterInfo()->isSuperOrSubRegisterEq(DstReg, SrcReg)) {
// If $rs is the same as $rd, we need to use AT.
// If it is not available we exit.
unsigned ATReg = getATReg(IDLoc);
@@ -2457,7 +2466,8 @@ bool MipsAsmParser::loadAndAddSymbolAddress(
if (UseSrcReg)
emitRRR(Mips::ADDu, DstReg, TmpReg, SrcReg, IDLoc, Instructions);
else
- assert(DstReg == TmpReg);
+ assert(
+ getContext().getRegisterInfo()->isSuperOrSubRegisterEq(DstReg, TmpReg));
return false;
}
diff --git a/llvm/test/MC/Mips/macro-dla-32bit.s b/llvm/test/MC/Mips/macro-dla-32bit.s
new file mode 100644
index 00000000000..2fd6abfe42f
--- /dev/null
+++ b/llvm/test/MC/Mips/macro-dla-32bit.s
@@ -0,0 +1,228 @@
+# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r2 | \
+# RUN: FileCheck %s
+# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r6 | \
+# RUN: FileCheck %s
+
+.set mips64r2
+
+dla $5, 0x00000001 # CHECK: addiu $5, $zero, 1 # encoding: [0x24,0x05,0x00,0x01]
+dla $5, 0x00000002 # CHECK: addiu $5, $zero, 2 # encoding: [0x24,0x05,0x00,0x02]
+dla $5, 0x00004000 # CHECK: addiu $5, $zero, 16384 # encoding: [0x24,0x05,0x40,0x00]
+dla $5, 0x00008000 # CHECK: ori $5, $zero, 32768 # encoding: [0x34,0x05,0x80,0x00]
+dla $5, 0xffffffff # CHECK: addiu $5, $zero, -1 # encoding: [0x24,0x05,0xff,0xff]
+dla $5, 0xfffffffe # CHECK: addiu $5, $zero, -2 # encoding: [0x24,0x05,0xff,0xfe]
+dla $5, 0xffffc000 # CHECK: addiu $5, $zero, -16384 # encoding: [0x24,0x05,0xc0,0x00]
+dla $5, 0xffff8000 # CHECK: addiu $5, $zero, -32768 # encoding: [0x24,0x05,0x80,0x00]
+
+dla $5, 0x00010000 # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+dla $5, 0x00020000 # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+dla $5, 0x40000000 # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+dla $5, 0x80000000 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+dla $5, 0xffff0000 # CHECK: lui $5, 65535 # encoding: [0x3c,0x05,0xff,0xff]
+dla $5, 0xfffe0000 # CHECK: lui $5, 65534 # encoding: [0x3c,0x05,0xff,0xfe]
+dla $5, 0xc0000000 # CHECK: lui $5, 49152 # encoding: [0x3c,0x05,0xc0,0x00]
+dla $5, 0x80000000 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+
+dla $5, 0x00010001 # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+dla $5, 0x00020001 # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+dla $5, 0x40000001 # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+dla $5, 0x80000001 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+dla $5, 0x00010002 # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+dla $5, 0x00020002 # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+dla $5, 0x40000002 # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+dla $5, 0x80000002 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+dla $5, 0x00014000 # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+dla $5, 0x00024000 # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+dla $5, 0x40004000 # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+dla $5, 0x80004000 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+dla $5, 0x00018000 # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0x00028000 # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0x40008000 # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0x80008000 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0xffff4000 # CHECK: lui $5, 65535 # encoding: [0x3c,0x05,0xff,0xff]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+dla $5, 0xfffe8000 # CHECK: lui $5, 65534 # encoding: [0x3c,0x05,0xff,0xfe]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0xc0008000 # CHECK: lui $5, 49152 # encoding: [0x3c,0x05,0xc0,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+dla $5, 0x80008000 # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+
+dla $5, 0x00000001($6) # CHECK: addiu $5, $6, 1 # encoding: [0x24,0xc5,0x00,0x01]
+dla $5, 0x00000002($6) # CHECK: addiu $5, $6, 2 # encoding: [0x24,0xc5,0x00,0x02]
+dla $5, 0x00004000($6) # CHECK: addiu $5, $6, 16384 # encoding: [0x24,0xc5,0x40,0x00]
+dla $5, 0x00008000($6) # CHECK: ori $5, $zero, 32768 # encoding: [0x34,0x05,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xffffffff($6) # CHECK: addiu $5, $6, -1 # encoding: [0x24,0xc5,0xff,0xff]
+dla $5, 0xfffffffe($6) # CHECK: addiu $5, $6, -2 # encoding: [0x24,0xc5,0xff,0xfe]
+dla $5, 0xffffc000($6) # CHECK: addiu $5, $6, -16384 # encoding: [0x24,0xc5,0xc0,0x00]
+dla $5, 0xffff8000($6) # CHECK: addiu $5, $6, -32768 # encoding: [0x24,0xc5,0x80,0x00]
+
+dla $5, 0x00010000($6) # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00020000($6) # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x40000000($6) # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80000000($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xffff0000($6) # CHECK: lui $5, 65535 # encoding: [0x3c,0x05,0xff,0xff]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xfffe0000($6) # CHECK: lui $5, 65534 # encoding: [0x3c,0x05,0xff,0xfe]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xc0000000($6) # CHECK: lui $5, 49152 # encoding: [0x3c,0x05,0xc0,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80000000($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+
+dla $5, 0x00010001($6) # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00020001($6) # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x40000001($6) # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80000001($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 1 # encoding: [0x34,0xa5,0x00,0x01]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00010002($6) # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00020002($6) # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x40000002($6) # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80000002($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 2 # encoding: [0x34,0xa5,0x00,0x02]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00014000($6) # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00024000($6) # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x40004000($6) # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80004000($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00018000($6) # CHECK: lui $5, 1 # encoding: [0x3c,0x05,0x00,0x01]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x00028000($6) # CHECK: lui $5, 2 # encoding: [0x3c,0x05,0x00,0x02]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x40008000($6) # CHECK: lui $5, 16384 # encoding: [0x3c,0x05,0x40,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80008000($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xffff4000($6) # CHECK: lui $5, 65535 # encoding: [0x3c,0x05,0xff,0xff]
+ # CHECK: ori $5, $5, 16384 # encoding: [0x34,0xa5,0x40,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xfffe8000($6) # CHECK: lui $5, 65534 # encoding: [0x3c,0x05,0xff,0xfe]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0xc0008000($6) # CHECK: lui $5, 49152 # encoding: [0x3c,0x05,0xc0,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+dla $5, 0x80008000($6) # CHECK: lui $5, 32768 # encoding: [0x3c,0x05,0x80,0x00]
+ # CHECK: ori $5, $5, 32768 # encoding: [0x34,0xa5,0x80,0x00]
+ # CHECK: addu $5, $5, $6 # encoding: [0x00,0xa6,0x28,0x21]
+# There are no further interesting immediates.
+
+symbol: # CHECK-LABEL: symbol:
+.extern extern_sym
+.option pic0 # CHECK-LABEL: .option pic0
+dla $5, extern_sym
+
+# CHECK: lui $5, %hi(extern_sym) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym), kind: fixup_Mips_LO16
+
+dla $5, extern_sym($8)
+
+# CHECK: lui $5, %hi(extern_sym) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym), kind: fixup_Mips_LO16
+# CHECK: addu $5, $5, $8 # encoding: [0x00,0xa8,0x28,0x21]
+
+dla $5, extern_sym($5)
+
+# CHECK: lui $1, %hi(extern_sym) # encoding: [0x3c,0x01,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym), kind: fixup_Mips_HI16
+# CHECK: addiu $1, $1, %lo(extern_sym) # encoding: [0x24,0x21,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym), kind: fixup_Mips_LO16
+# CHECK: addu $5, $1, $5 # encoding: [0x00,0x25,0x28,0x21]
+
+dla $5, extern_sym+8
+
+# CHECK: lui $5, %hi(extern_sym+8) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym+8), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym+8) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym+8), kind: fixup_Mips_LO16
+
+dla $5, extern_sym+8($8)
+
+# CHECK: lui $5, %hi(extern_sym+8) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym+8), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym+8) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym+8), kind: fixup_Mips_LO16
+# CHECK: addu $5, $5, $8 # encoding: [0x00,0xa8,0x28,0x21]
+
+dla $5, extern_sym-8($5)
+
+# CHECK: lui $1, %hi(extern_sym-8) # encoding: [0x3c,0x01,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym-8), kind: fixup_Mips_HI16
+# CHECK: addiu $1, $1, %lo(extern_sym-8) # encoding: [0x24,0x21,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym-8), kind: fixup_Mips_LO16
+# CHECK: addu $5, $1, $5 # encoding: [0x00,0x25,0x28,0x21]
+
+dla $5, extern_sym-8
+
+# CHECK: lui $5, %hi(extern_sym-8) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym-8), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym-8) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym-8), kind: fixup_Mips_LO16
+
+dla $5, extern_sym-8($8)
+
+# CHECK: lui $5, %hi(extern_sym-8) # encoding: [0x3c,0x05,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym-8), kind: fixup_Mips_HI16
+# CHECK: addiu $5, $5, %lo(extern_sym-8) # encoding: [0x24,0xa5,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym-8), kind: fixup_Mips_LO16
+# CHECK: addu $5, $5, $8 # encoding: [0x00,0xa8,0x28,0x21]
+
+dla $5, extern_sym-8($5)
+
+# CHECK: lui $1, %hi(extern_sym-8) # encoding: [0x3c,0x01,A,A]
+# CHECK: # fixup A - offset: 0, value: %hi(extern_sym-8), kind: fixup_Mips_HI16
+# CHECK: addiu $1, $1, %lo(extern_sym-8) # encoding: [0x24,0x21,A,A]
+# CHECK: # fixup A - offset: 0, value: %lo(extern_sym-8), kind: fixup_Mips_LO16
+# CHECK: addu $5, $1, $5 # encoding: [0x00,0x25,0x28,0x21]
+
+.option pic2
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