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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183726 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2013-06-11 06:52:36 +00:00
parent 457c8ebfd0
commit 2266ef3f5e
1 changed files with 5 additions and 5 deletions
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10
lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
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@ -419,7 +419,7 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
uint32_t J2Bit = (I2Bit ^ 0x1) ^ signBit;
uint32_t imm10Bits = (offset & 0x1FF800) >> 11;
uint32_t imm11Bits = (offset & 0x000007FF);
uint32_t Binary = 0;
uint32_t firstHalf = (((uint16_t)signBit << 10) | (uint16_t)imm10Bits);
uint32_t secondHalf = (((uint16_t)J1Bit << 13) | ((uint16_t)J2Bit << 11) |
@ -434,8 +434,8 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
// four (see fixup_arm_thumb_cp). The 32-bit immediate value is encoded as
// imm32 = SignExtend(S:I1:I2:imm10H:imm10L:00)
// where I1 = NOT(J1 ^ S) and I2 = NOT(J2 ^ S).
// The value is encoded into disjoint bit positions in the destination
// opcode. x = unchanged, I = immediate value bit, S = sign extension bit,
// The value is encoded into disjoint bit positions in the destination
// opcode. x = unchanged, I = immediate value bit, S = sign extension bit,
// J = either J1 or J2 bit, 0 = zero.
//
// BLX: xxxxxSIIIIIIIIII xxJxJIIIIIIIIII0
@ -450,10 +450,10 @@ static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value,
uint32_t J2Bit = (I2Bit ^ 0x1) ^ signBit;
uint32_t imm10HBits = (offset & 0xFFC00) >> 10;
uint32_t imm10LBits = (offset & 0x3FF);
uint32_t Binary = 0;
uint32_t firstHalf = (((uint16_t)signBit << 10) | (uint16_t)imm10HBits);
uint32_t secondHalf = (((uint16_t)J1Bit << 13) | ((uint16_t)J2Bit << 11) |
uint32_t secondHalf = (((uint16_t)J1Bit << 13) | ((uint16_t)J2Bit << 11) |
((uint16_t)imm10LBits) << 1);
Binary |= secondHalf << 16;
Binary |= firstHalf;