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Thumb2 relaxation for tADR to t2ADR.

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llvm-svn: 148456
This commit is contained in:
Jim Grosbach 2012-01-19 02:09:38 +00:00
parent ad42e2fc2a
commit 87e683580c
1 changed files with 2 additions and 0 deletions
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2
lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
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@ -154,6 +154,7 @@ static unsigned getRelaxedOpcode(unsigned Op) {
default: return Op;
case ARM::tBcc: return ARM::t2Bcc;
case ARM::tLDRpciASM: return ARM::t2LDRpci;
case ARM::tADR: return ARM::t2ADR;
}
}
@ -179,6 +180,7 @@ bool ARMAsmBackend::fixupNeedsRelaxation(const MCFixup &Fixup,
int64_t Offset = int64_t(Value) - 4;
return Offset > 254 || Offset < -256;
}
case ARM::fixup_thumb_adr_pcrel_10:
case ARM::fixup_arm_thumb_cp: {
// If the immediate is negative, greater than 1020, or not a multiple
// of four, the wide version of the instruction must be used.