[mips] Fix off by one issue when applying a fixup.

The branch offset for a R_MIPS_PC16 relocation is indeed a 16-bit signed
immediate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197506 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index 81d976a34c..25ce9c7365 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -64,7 +64,7 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
     // address range. Forcing a signed division because Value can be negative.
     Value = (int64_t)Value / 4;
     // We now check if Value can be encoded as a 16-bit signed immediate.
-    if (!isIntN(15, Value) && Ctx)
+    if (!isIntN(16, Value) && Ctx)
       Ctx->FatalError(Fixup.getLoc(), "out of range PC16 fixup");
     break;
   case Mips::fixup_Mips_26:
@@ -97,7 +97,7 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
     // Forcing a signed division because Value can be negative.
     Value = (int64_t)Value / 2;
     // We now check if Value can be encoded as a 16-bit signed immediate.
-    if (!isIntN(15, Value) && Ctx)
+    if (!isIntN(16, Value) && Ctx)
       Ctx->FatalError(Fixup.getLoc(), "out of range PC16 fixup");
     break;
   }