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radeon/llvm: Fix encoding of FP immediates on SI

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This commit is contained in:
Tom Stellard 2012-08-29 11:39:38 -04:00
parent 05113fd266
commit 2809ae3d44
1 changed files with 6 additions and 1 deletions
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7
src/gallium/drivers/radeon/MCTargetDesc/SIMCCodeEmitter.cpp
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@ -239,9 +239,14 @@ uint64_t SIMCCodeEmitter::VOPPostEncode(const MCInst &MI, uint64_t Value) const{
Value |= (VGPR_BIT(opIdx)) << vgprBitOffset;
}
} else if (MO.isFPImm()) {
union {
float f;
uint32_t i;
} Imm;
// XXX: Not all instructions can use inline literals
// XXX: We should make sure this is a 32-bit constant
Value |= ((uint64_t)MO.getFPImm()) << 32;
Imm.f = MO.getFPImm();
Value |= ((uint64_t)Imm.i) << 32;
}
}
return Value;