Michael Neuling b92a66a65c powerpc: Add denormalisation exception handling for POWER6/7 ... On POWER6 and POWER7 if the input operand to an instruction is a denormalised single precision binary floating point value we can take a denormalisation exception where it's expected that the hypervisor (HV=1) will fix up the inputs before the instruction is run. This adds code to handle this denormalisation exception for POWER6 and POWER7. It also add a CONFIG_PPC_DENORMALISATION option and sets it in pseries/ppc64_defconfig. This is useful on bare metal systems only. Based on patch from Milton Miller. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>		2012-09-17 16:31:47 +10:00
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asm	powerpc: Add denormalisation exception handling for POWER6/7	2012-09-17 16:31:47 +10:00