Attempt to make the bit-twiddling readable resulted in the binary value being
overwritten.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121337 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmBackend.cpp b/lib/Target/ARM/ARMAsmBackend.cpp
index 8e809f0..581ac91 100644
--- a/lib/Target/ARM/ARMAsmBackend.cpp
+++ b/lib/Target/ARM/ARMAsmBackend.cpp
@@ -152,10 +152,11 @@
// Note that the halfwords are stored high first, low second; so we need
// to transpose the fixup value here to map properly.
unsigned isNeg = (int64_t(Value) < 0) ? 1 : 0;
- uint32_t Binary = 0x3fffff & ((Value - 4) >> 1);
- Binary = (Binary & 0x7ff) << 16; // Low imm11 value.
- Binary |= (Binary & 0x1ffc00) >> 11; // High imm10 value.
- Binary |= isNeg << 10; // Sign bit.
+ uint32_t Binary = 0;
+ Value = 0x3fffff & ((Value - 4) >> 1);
+ Binary = (Value & 0x7ff) << 16; // Low imm11 value.
+ Binary |= (Value & 0x1ffc00) >> 11; // High imm10 value.
+ Binary |= isNeg << 10; // Sign bit.
return Binary;
}
case ARM::fixup_arm_thumb_blx: {
@@ -169,10 +170,11 @@
// Note that the halfwords are stored high first, low second; so we need
// to transpose the fixup value here to map properly.
unsigned isNeg = (int64_t(Value) < 0) ? 1 : 0;
- uint32_t Binary = 0xfffff & ((Value - 2) >> 2);
- Binary = (Binary & 0x3ff) << 17; // Low imm10L value.
- Binary |= (Binary & 0xffc00) >> 10; // High imm10H value.
- Binary |= isNeg << 10; // Sign bit.
+ uint32_t Binary = 0;
+ Value = 0xfffff & ((Value - 2) >> 2);
+ Binary = (Value & 0x3ff) << 17; // Low imm10L value.
+ Binary |= (Value & 0xffc00) >> 10; // High imm10H value.
+ Binary |= isNeg << 10; // Sign bit.
return Binary;
}
case ARM::fixup_arm_thumb_cp: